diff options
| author | Oli Scherer <git-spam-no-reply9815368754983@oli-obk.de> | 2024-02-09 12:17:55 +0000 |
|---|---|---|
| committer | Oli Scherer <git-spam-no-reply9815368754983@oli-obk.de> | 2024-02-14 11:00:30 +0000 |
| commit | 5f6390f947373528355d30a276ede65d92baaa57 (patch) | |
| tree | cfccfb4047807d2dcf9aa0192ebae291d30f040e | |
| parent | bb89df6903539e7014b8db29bccd6a9ee9553122 (diff) | |
| download | rust-5f6390f947373528355d30a276ede65d92baaa57.tar.gz rust-5f6390f947373528355d30a276ede65d92baaa57.zip | |
Continue compilation after check_mod_type_wf errors
212 files changed, 2715 insertions, 284 deletions
diff --git a/compiler/rustc_hir_analysis/src/lib.rs b/compiler/rustc_hir_analysis/src/lib.rs index 1aaefc5b520..1cd77050217 100644 --- a/compiler/rustc_hir_analysis/src/lib.rs +++ b/compiler/rustc_hir_analysis/src/lib.rs @@ -187,8 +187,10 @@ pub fn check_crate(tcx: TyCtxt<'_>) -> Result<(), ErrorGuaranteed> { } tcx.sess.time("wf_checking", || { - tcx.hir().try_par_for_each_module(|module| tcx.ensure().check_mod_type_wf(module)) - })?; + tcx.hir().par_for_each_module(|module| { + let _ = tcx.ensure().check_mod_type_wf(module); + }) + }); if tcx.features().rustc_attrs { collect::test_opaque_hidden_types(tcx)?; diff --git a/compiler/rustc_hir_typeck/src/method/confirm.rs b/compiler/rustc_hir_typeck/src/method/confirm.rs index 4e9cb92919a..a580c114f26 100644 --- a/compiler/rustc_hir_typeck/src/method/confirm.rs +++ b/compiler/rustc_hir_typeck/src/method/confirm.rs @@ -518,12 +518,9 @@ impl<'a, 'tcx> ConfirmContext<'a, 'tcx> { .report_mismatched_types(&cause, method_self_ty, self_ty, terr) .emit(); } else { - span_bug!( - self.span, - "{} was a subtype of {} but now is not?", - self_ty, - method_self_ty - ); + error!("{self_ty} was a subtype of {method_self_ty} but now is not?"); + // This must already have errored elsewhere. + self.dcx().has_errors().unwrap(); } } } diff --git a/compiler/rustc_mir_build/src/thir/cx/expr.rs b/compiler/rustc_mir_build/src/thir/cx/expr.rs index c24b24d6f01..99952e1c178 100644 --- a/compiler/rustc_mir_build/src/thir/cx/expr.rs +++ b/compiler/rustc_mir_build/src/thir/cx/expr.rs @@ -3,6 +3,7 @@ use crate::thir::cx::region::Scope; use crate::thir::cx::Cx; use crate::thir::util::UserAnnotatedTyHelpers; use itertools::Itertools; +use rustc_ast::LitKind; use rustc_data_structures::stack::ensure_sufficient_stack; use rustc_hir as hir; use rustc_hir::def::{CtorKind, CtorOf, DefKind, Res}; @@ -20,7 +21,8 @@ use rustc_middle::ty::GenericArgs; use rustc_middle::ty::{ self, AdtKind, InlineConstArgs, InlineConstArgsParts, ScalarInt, Ty, UpvarArgs, UserType, }; -use rustc_span::{sym, Span}; +use rustc_span::source_map::Spanned; +use rustc_span::{sym, Span, DUMMY_SP}; use rustc_target::abi::{FieldIdx, FIRST_VARIANT}; impl<'tcx> Cx<'tcx> { @@ -894,7 +896,14 @@ impl<'tcx> Cx<'tcx> { Res::Def(DefKind::ConstParam, def_id) => { let hir_id = self.tcx.local_def_id_to_hir_id(def_id.expect_local()); let generics = self.tcx.generics_of(hir_id.owner); - let index = generics.param_def_id_to_index[&def_id]; + let Some(&index) = generics.param_def_id_to_index.get(&def_id) else { + self.tcx.dcx().has_errors().unwrap(); + // We already errored about a late bound const + return ExprKind::Literal { + lit: &Spanned { span: DUMMY_SP, node: LitKind::Err }, + neg: false, + }; + }; let name = self.tcx.hir().name(hir_id); let param = ty::ParamConst::new(index, name); diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs index c5ee0391682..bf4aba7df4c 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs @@ -3112,10 +3112,11 @@ impl<'tcx> InferCtxtPrivExt<'tcx> for TypeErrCtxt<'_, 'tcx> { obligation.param_env, trait_ref.args.const_at(3), ) else { - span_bug!( + self.dcx().span_delayed_bug( span, - "Unable to construct rustc_transmute::Assume where it was previously possible" + "Unable to construct rustc_transmute::Assume where it was previously possible", ); + return GetSafeTransmuteErrorAndReason::Silent; }; match rustc_transmute::TransmuteTypeEnv::new(self.infcx).is_transmutable( diff --git a/tests/ui/abi/issues/issue-22565-rust-call.rs b/tests/ui/abi/issues/issue-22565-rust-call.rs index a572666c888..72f45cba0c0 100644 --- a/tests/ui/abi/issues/issue-22565-rust-call.rs +++ b/tests/ui/abi/issues/issue-22565-rust-call.rs @@ -25,7 +25,11 @@ impl Tr for Foo { fn main() { b(10); + //~^ ERROR functions with the "rust-call" ABI must take a single non-self tuple argument Foo::bar(); + //~^ ERROR functions with the "rust-call" ABI must take a single non-self tuple argument <Foo as Tr>::a(); + //~^ ERROR functions with the "rust-call" ABI must take a single non-self tuple argument <Foo as Tr>::b(); + //~^ ERROR functions with the "rust-call" ABI must take a single non-self tuple argument } diff --git a/tests/ui/abi/issues/issue-22565-rust-call.stderr b/tests/ui/abi/issues/issue-22565-rust-call.stderr index 9d205b444fa..0fd3285cd3a 100644 --- a/tests/ui/abi/issues/issue-22565-rust-call.stderr +++ b/tests/ui/abi/issues/issue-22565-rust-call.stderr @@ -28,6 +28,30 @@ error: functions with the "rust-call" ABI must take a single non-self tuple argu LL | extern "rust-call" fn b() {} | ^^^^^^^^^^^^^^^^^^^^^^^^^ -error: aborting due to 5 previous errors +error[E0277]: functions with the "rust-call" ABI must take a single non-self tuple argument + --> $DIR/issue-22565-rust-call.rs:27:7 + | +LL | b(10); + | ^^ the trait `Tuple` is not implemented for `i32` + +error: functions with the "rust-call" ABI must take a single non-self tuple argument + --> $DIR/issue-22565-rust-call.rs:29:5 + | +LL | Foo::bar(); + | ^^^^^^^^^^ + +error: functions with the "rust-call" ABI must take a single non-self tuple argument + --> $DIR/issue-22565-rust-call.rs:31:5 + | +LL | <Foo as Tr>::a(); + | ^^^^^^^^^^^^^^^^ + +error: functions with the "rust-call" ABI must take a single non-self tuple argument + --> $DIR/issue-22565-rust-call.rs:33:5 + | +LL | <Foo as Tr>::b(); + | ^^^^^^^^^^^^^^^^ + +error: aborting due to 9 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/associated-consts/associated-const-in-trait.rs b/tests/ui/associated-consts/associated-const-in-trait.rs index cf5d5d859b6..4e8143d5795 100644 --- a/tests/ui/associated-consts/associated-const-in-trait.rs +++ b/tests/ui/associated-consts/associated-const-in-trait.rs @@ -7,6 +7,7 @@ trait Trait { impl dyn Trait { //~^ ERROR the trait `Trait` cannot be made into an object [E0038] const fn n() -> usize { Self::N } + //~^ ERROR the trait `Trait` cannot be made into an object [E0038] } fn main() {} diff --git a/tests/ui/associated-consts/associated-const-in-trait.stderr b/tests/ui/associated-consts/associated-const-in-trait.stderr index 59acd4820ae..88360cd2dd5 100644 --- a/tests/ui/associated-consts/associated-const-in-trait.stderr +++ b/tests/ui/associated-consts/associated-const-in-trait.stderr @@ -13,6 +13,21 @@ LL | const N: usize; | ^ ...because it contains this associated `const` = help: consider moving `N` to another trait -error: aborting due to 1 previous error +error[E0038]: the trait `Trait` cannot be made into an object + --> $DIR/associated-const-in-trait.rs:9:29 + | +LL | const fn n() -> usize { Self::N } + | ^^^^ `Trait` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + --> $DIR/associated-const-in-trait.rs:4:11 + | +LL | trait Trait { + | ----- this trait cannot be made into an object... +LL | const N: usize; + | ^ ...because it contains this associated `const` + = help: consider moving `N` to another trait + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0038`. diff --git a/tests/ui/associated-consts/issue-105330.rs b/tests/ui/associated-consts/issue-105330.rs index 6c6dae864f3..fb2169ab43f 100644 --- a/tests/ui/associated-consts/issue-105330.rs +++ b/tests/ui/associated-consts/issue-105330.rs @@ -10,10 +10,15 @@ impl TraitWAssocConst for impl Demo { //~ ERROR E0404 fn foo<A: TraitWAssocConst<A=32>>() { //~ ERROR E0658 foo::<Demo>()(); + //~^ ERROR is not satisfied + //~| ERROR type mismatch + //~| ERROR expected function, found `()` } fn main<A: TraitWAssocConst<A=32>>() { //~^ ERROR E0658 //~| ERROR E0131 foo::<Demo>(); + //~^ ERROR type mismatch + //~| ERROR is not satisfied } diff --git a/tests/ui/associated-consts/issue-105330.stderr b/tests/ui/associated-consts/issue-105330.stderr index b4c021d0f4f..50ce69b3381 100644 --- a/tests/ui/associated-consts/issue-105330.stderr +++ b/tests/ui/associated-consts/issue-105330.stderr @@ -26,7 +26,7 @@ LL | fn foo<A: TraitWAssocConst<A=32>>() { = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error[E0658]: associated const equality is incomplete - --> $DIR/issue-105330.rs:15:29 + --> $DIR/issue-105330.rs:18:29 | LL | fn main<A: TraitWAssocConst<A=32>>() { | ^^^^ @@ -44,12 +44,76 @@ LL | impl TraitWAssocConst for impl Demo { = note: `impl Trait` is only allowed in arguments and return types of functions and methods error[E0131]: `main` function is not allowed to have generic parameters - --> $DIR/issue-105330.rs:15:8 + --> $DIR/issue-105330.rs:18:8 | LL | fn main<A: TraitWAssocConst<A=32>>() { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ `main` cannot have generic parameters -error: aborting due to 6 previous errors +error[E0277]: the trait bound `Demo: TraitWAssocConst` is not satisfied + --> $DIR/issue-105330.rs:12:11 + | +LL | foo::<Demo>()(); + | ^^^^ the trait `TraitWAssocConst` is not implemented for `Demo` + | + = help: the trait `TraitWAssocConst` is implemented for `{type error}` +note: required by a bound in `foo` + --> $DIR/issue-105330.rs:11:11 + | +LL | fn foo<A: TraitWAssocConst<A=32>>() { + | ^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `foo` + +error[E0271]: type mismatch resolving `<Demo as TraitWAssocConst>::A == 32` + --> $DIR/issue-105330.rs:12:11 + | +LL | foo::<Demo>()(); + | ^^^^ expected `32`, found `<Demo as TraitWAssocConst>::A` + | + = note: expected constant `32` + found constant `<Demo as TraitWAssocConst>::A` +note: required by a bound in `foo` + --> $DIR/issue-105330.rs:11:28 + | +LL | fn foo<A: TraitWAssocConst<A=32>>() { + | ^^^^ required by this bound in `foo` + +error[E0618]: expected function, found `()` + --> $DIR/issue-105330.rs:12:5 + | +LL | fn foo<A: TraitWAssocConst<A=32>>() { + | ----------------------------------- `foo::<Demo>` defined here returns `()` +LL | foo::<Demo>()(); + | ^^^^^^^^^^^^^-- + | | + | call expression requires function + +error[E0277]: the trait bound `Demo: TraitWAssocConst` is not satisfied + --> $DIR/issue-105330.rs:21:11 + | +LL | foo::<Demo>(); + | ^^^^ the trait `TraitWAssocConst` is not implemented for `Demo` + | + = help: the trait `TraitWAssocConst` is implemented for `{type error}` +note: required by a bound in `foo` + --> $DIR/issue-105330.rs:11:11 + | +LL | fn foo<A: TraitWAssocConst<A=32>>() { + | ^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `foo` + +error[E0271]: type mismatch resolving `<Demo as TraitWAssocConst>::A == 32` + --> $DIR/issue-105330.rs:21:11 + | +LL | foo::<Demo>(); + | ^^^^ expected `32`, found `<Demo as TraitWAssocConst>::A` + | + = note: expected constant `32` + found constant `<Demo as TraitWAssocConst>::A` +note: required by a bound in `foo` + --> $DIR/issue-105330.rs:11:28 + | +LL | fn foo<A: TraitWAssocConst<A=32>>() { + | ^^^^ required by this bound in `foo` + +error: aborting due to 11 previous errors -Some errors have detailed explanations: E0131, E0404, E0562, E0658. +Some errors have detailed explanations: E0131, E0271, E0277, E0404, E0562, E0618, E0658. For more information about an error, try `rustc --explain E0131`. diff --git a/tests/ui/associated-inherent-types/issue-109299.rs b/tests/ui/associated-inherent-types/issue-109299.rs index 84e4f9e7252..b6c010c34e4 100644 --- a/tests/ui/associated-inherent-types/issue-109299.rs +++ b/tests/ui/associated-inherent-types/issue-109299.rs @@ -8,5 +8,6 @@ impl Lexer<'d> { //~ ERROR use of undeclared lifetime name `'d` } fn test(_: Lexer::Cursor) {} +//~^ ERROR: lifetime may not live long enough fn main() {} diff --git a/tests/ui/associated-inherent-types/issue-109299.stderr b/tests/ui/associated-inherent-types/issue-109299.stderr index 1e11c0e8c2a..f108a52b92c 100644 --- a/tests/ui/associated-inherent-types/issue-109299.stderr +++ b/tests/ui/associated-inherent-types/issue-109299.stderr @@ -6,6 +6,15 @@ LL | impl Lexer<'d> { | | | help: consider introducing lifetime `'d` here: `<'d>` -error: aborting due to 1 previous error +error: lifetime may not live long enough + --> $DIR/issue-109299.rs:10:1 + | +LL | fn test(_: Lexer::Cursor) {} + | ^^^^^^^^-^^^^^^^^^^^^^^^^ + | | | + | | has type `Lexer<'1>::Cursor` + | requires that `'1` must outlive `'static` + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0261`. diff --git a/tests/ui/associated-inherent-types/issue-109789.rs b/tests/ui/associated-inherent-types/issue-109789.rs index 0b5ba7d1fb5..46dd4590141 100644 --- a/tests/ui/associated-inherent-types/issue-109789.rs +++ b/tests/ui/associated-inherent-types/issue-109789.rs @@ -18,5 +18,7 @@ impl Other for u32 {} fn bar(_: Foo<for<'a> fn(&'a ())>::Assoc) {} //~^ ERROR mismatched types //~| ERROR mismatched types +//~| ERROR higher-ranked subtype error +//~| ERROR higher-ranked subtype error fn main() {} diff --git a/tests/ui/associated-inherent-types/issue-109789.stderr b/tests/ui/associated-inherent-types/issue-109789.stderr index e844f6795e6..c6ea6c5541d 100644 --- a/tests/ui/associated-inherent-types/issue-109789.stderr +++ b/tests/ui/associated-inherent-types/issue-109789.stderr @@ -17,6 +17,20 @@ LL | fn bar(_: Foo<for<'a> fn(&'a ())>::Assoc) {} found struct `Foo<for<'a> fn(&'a ())>` = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -error: aborting due to 2 previous errors +error: higher-ranked subtype error + --> $DIR/issue-109789.rs:18:1 + | +LL | fn bar(_: Foo<for<'a> fn(&'a ())>::Assoc) {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: higher-ranked subtype error + --> $DIR/issue-109789.rs:18:1 + | +LL | fn bar(_: Foo<for<'a> fn(&'a ())>::Assoc) {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: aborting due to 4 previous errors For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/associated-inherent-types/regionck-2.rs b/tests/ui/associated-inherent-types/regionck-2.rs index 7a0b8b08300..573dd359bf2 100644 --- a/tests/ui/associated-inherent-types/regionck-2.rs +++ b/tests/ui/associated-inherent-types/regionck-2.rs @@ -10,5 +10,6 @@ impl Lexer<'static> { } fn test(_: Lexer::Cursor) {} //~ ERROR mismatched types +//~^ ERROR: lifetime may not live long enough fn main() {} diff --git a/tests/ui/associated-inherent-types/regionck-2.stderr b/tests/ui/associated-inherent-types/regionck-2.stderr index 4c68a591240..82f5c6a72c0 100644 --- a/tests/ui/associated-inherent-types/regionck-2.stderr +++ b/tests/ui/associated-inherent-types/regionck-2.stderr @@ -13,6 +13,15 @@ LL | fn test(_: Lexer::Cursor) {} | ^^^^^ = note: ...does not necessarily outlive the static lifetime -error: aborting due to 1 previous error +error: lifetime may not live long enough + --> $DIR/regionck-2.rs:12:1 + | +LL | fn test(_: Lexer::Cursor) {} + | ^^^^^^^^-^^^^^^^^^^^^^^^^ + | | | + | | has type `Lexer<'1>::Cursor` + | requires that `'1` must outlive `'static` + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/associated-types/associated-types-for-unimpl-trait.fixed b/tests/ui/associated-types/associated-types-for-unimpl-trait.fixed index adfba994f32..e713db025e8 100644 --- a/tests/ui/associated-types/associated-types-for-unimpl-trait.fixed +++ b/tests/ui/associated-types/associated-types-for-unimpl-trait.fixed @@ -8,9 +8,9 @@ trait Get { } trait Other { - fn uhoh<U:Get>(&self, foo: U, bar: <Self as Get>::Value) where Self: Get {} + fn uhoh<U: Get>(&self, foo: U, bar: <Self as Get>::Value) where Self: Sized, Self: Get, Self: Get {} //~^ ERROR the trait bound `Self: Get` is not satisfied + //~| ERROR the trait bound `Self: Get` is not satisfied } -fn main() { -} +fn main() {} diff --git a/tests/ui/associated-types/associated-types-for-unimpl-trait.rs b/tests/ui/associated-types/associated-types-for-unimpl-trait.rs index 50478171d86..c5d7ba3a755 100644 --- a/tests/ui/associated-types/associated-types-for-unimpl-trait.rs +++ b/tests/ui/associated-types/associated-types-for-unimpl-trait.rs @@ -8,9 +8,9 @@ trait Get { } trait Other { - fn uhoh<U:Get>(&self, foo: U, bar: <Self as Get>::Value) {} + fn uhoh<U: Get>(&self, foo: U, bar: <Self as Get>::Value) where Self: Sized {} //~^ ERROR the trait bound `Self: Get` is not satisfied + //~| ERROR the trait bound `Self: Get` is not satisfied } -fn main() { -} +fn main() {} diff --git a/tests/ui/associated-types/associated-types-for-unimpl-trait.stderr b/tests/ui/associated-types/associated-types-for-unimpl-trait.stderr index 27014fa53d8..4cba3990049 100644 --- a/tests/ui/associated-types/associated-types-for-unimpl-trait.stderr +++ b/tests/ui/associated-types/associated-types-for-unimpl-trait.stderr @@ -1,14 +1,25 @@ error[E0277]: the trait bound `Self: Get` is not satisfied - --> $DIR/associated-types-for-unimpl-trait.rs:11:40 + --> $DIR/associated-types-for-unimpl-trait.rs:11:41 | -LL | fn uhoh<U:Get>(&self, foo: U, bar: <Self as Get>::Value) {} - | ^^^^^^^^^^^^^^^^^^^^ the trait `Get` is not implemented for `Self` +LL | fn uhoh<U: Get>(&self, foo: U, bar: <Self as Get>::Value) where Self: Sized {} + | ^^^^^^^^^^^^^^^^^^^^ the trait `Get` is not implemented for `Self` | help: consider further restricting `Self` | -LL | fn uhoh<U:Get>(&self, foo: U, bar: <Self as Get>::Value) where Self: Get {} - | +++++++++++++++ +LL | fn uhoh<U: Get>(&self, foo: U, bar: <Self as Get>::Value) where Self: Sized, Self: Get {} + | +++++++++++ -error: aborting due to 1 previous error +error[E0277]: the trait bound `Self: Get` is not satisfied + --> $DIR/associated-types-for-unimpl-trait.rs:11:81 + | +LL | fn uhoh<U: Get>(&self, foo: U, bar: <Self as Get>::Value) where Self: Sized {} + | ^^ the trait `Get` is not implemented for `Self` + | +help: consider further restricting `Self` + | +LL | fn uhoh<U: Get>(&self, foo: U, bar: <Self as Get>::Value) where Self: Sized, Self: Get {} + | +++++++++++ + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/associated-types/associated-types-no-suitable-bound.rs b/tests/ui/associated-types/associated-types-no-suitable-bound.rs index d42460a4c07..7019c476237 100644 --- a/tests/ui/associated-types/associated-types-no-suitable-bound.rs +++ b/tests/ui/associated-types/associated-types-no-suitable-bound.rs @@ -10,7 +10,7 @@ struct Struct { impl Struct { fn uhoh<T>(foo: <T as Get>::Value) {} //~^ ERROR the trait bound `T: Get` is not satisfied + //~| ERROR the trait bound `T: Get` is not satisfied } -fn main() { -} +fn main() {} diff --git a/tests/ui/associated-types/associated-types-no-suitable-bound.stderr b/tests/ui/associated-types/associated-types-no-suitable-bound.stderr index fe1be6be015..9713051d973 100644 --- a/tests/ui/associated-types/associated-types-no-suitable-bound.stderr +++ b/tests/ui/associated-types/associated-types-no-suitable-bound.stderr @@ -9,6 +9,17 @@ help: consider restricting type parameter `T` LL | fn uhoh<T: Get>(foo: <T as Get>::Value) {} | +++++ -error: aborting due to 1 previous error +error[E0277]: the trait bound `T: Get` is not satisfied + --> $DIR/associated-types-no-suitable-bound.rs:11:40 + | +LL | fn uhoh<T>(foo: <T as Get>::Value) {} + | ^^ the trait `Get` is not implemented for `T` + | +help: consider restricting type parameter `T` + | +LL | fn uhoh<T: Get>(foo: <T as Get>::Value) {} + | +++++ + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/associated-types/associated-types-no-suitable-supertrait-2.rs b/tests/ui/associated-types/associated-types-no-suitable-supertrait-2.rs index 17dfa1773dd..5dc1ac88c8a 100644 --- a/tests/ui/associated-types/associated-types-no-suitable-supertrait-2.rs +++ b/tests/ui/associated-types/associated-types-no-suitable-supertrait-2.rs @@ -16,6 +16,7 @@ trait Get { trait Other { fn uhoh<U:Get>(&self, foo: U, bar: <Self as Get>::Value) {} //~^ ERROR the trait bound `Self: Get` is not satisfied + //~| ERROR the trait bound `Self: Get` is not satisfied } fn main() { } diff --git a/tests/ui/associated-types/associated-types-no-suitable-supertrait-2.stderr b/tests/ui/associated-types/associated-types-no-suitable-supertrait-2.stderr index b586053a5bc..c5dcfc00925 100644 --- a/tests/ui/associated-types/associated-types-no-suitable-supertrait-2.stderr +++ b/tests/ui/associated-types/associated-types-no-suitable-supertrait-2.stderr @@ -9,6 +9,17 @@ help: consider further restricting `Self` LL | fn uhoh<U:Get>(&self, foo: U, bar: <Self as Get>::Value) where Self: Get {} | +++++++++++++++ -error: aborting due to 1 previous error +error[E0277]: the trait bound `Self: Get` is not satisfied + --> $DIR/associated-types-no-suitable-supertrait-2.rs:17:62 + | +LL | fn uhoh<U:Get>(&self, foo: U, bar: <Self as Get>::Value) {} + | ^^ the trait `Get` is not implemented for `Self` + | +help: consider further restricting `Self` + | +LL | fn uhoh<U:Get>(&self, foo: U, bar: <Self as Get>::Value) where Self: Get {} + | +++++++++++++++ + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/associated-types/associated-types-no-suitable-supertrait.rs b/tests/ui/associated-types/associated-types-no-suitable-supertrait.rs index cc0101d63cf..144812fa4d1 100644 --- a/tests/ui/associated-types/associated-types-no-suitable-supertrait.rs +++ b/tests/ui/associated-types/associated-types-no-suitable-supertrait.rs @@ -16,12 +16,14 @@ trait Get { trait Other { fn uhoh<U:Get>(&self, foo: U, bar: <Self as Get>::Value) {} //~^ ERROR the trait bound `Self: Get` is not satisfied + //~| ERROR the trait bound `Self: Get` is not satisfied } impl<T:Get> Other for T { fn uhoh<U:Get>(&self, foo: U, bar: <(T, U) as Get>::Value) {} //~^ ERROR the trait bound `(T, U): Get` is not satisfied //~| ERROR the trait bound `(T, U): Get` is not satisfied + //~| ERROR the trait bound `(T, U): Get` is not satisfied } fn main() { } diff --git a/tests/ui/associated-types/associated-types-no-suitable-supertrait.stderr b/tests/ui/associated-types/associated-types-no-suitable-supertrait.stderr index 5443699eb01..46cebda078e 100644 --- a/tests/ui/associated-types/associated-types-no-suitable-supertrait.stderr +++ b/tests/ui/associated-types/associated-types-no-suitable-supertrait.stderr @@ -1,5 +1,5 @@ error[E0277]: the trait bound `(T, U): Get` is not satisfied - --> $DIR/associated-types-no-suitable-supertrait.rs:22:5 + --> $DIR/associated-types-no-suitable-supertrait.rs:23:5 | LL | fn uhoh<U:Get>(&self, foo: U, bar: <(T, U) as Get>::Value) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Get` is not implemented for `(T, U)` @@ -11,7 +11,7 @@ LL | trait Get { | ^^^^^^^^^ error[E0277]: the trait bound `(T, U): Get` is not satisfied - --> $DIR/associated-types-no-suitable-supertrait.rs:22:40 + --> $DIR/associated-types-no-suitable-supertrait.rs:23:40 | LL | fn uhoh<U:Get>(&self, foo: U, bar: <(T, U) as Get>::Value) {} | ^^^^^^^^^^^^^^^^^^^^^^ the trait `Get` is not implemented for `(T, U)` @@ -33,6 +33,29 @@ help: consider further restricting `Self` LL | fn uhoh<U:Get>(&self, foo: U, bar: <Self as Get>::Value) where Self: Get {} | +++++++++++++++ -error: aborting due to 3 previous errors +error[E0277]: the trait bound `Self: Get` is not satisfied + --> $DIR/associated-types-no-suitable-supertrait.rs:17:62 + | +LL | fn uhoh<U:Get>(&self, foo: U, bar: <Self as Get>::Value) {} + | ^^ the trait `Get` is not implemented for `Self` + | +help: consider further restricting `Self` + | +LL | fn uhoh<U:Get>(&self, foo: U, bar: <Self as Get>::Value) where Self: Get {} + | +++++++++++++++ + +error[E0277]: the trait bound `(T, U): Get` is not satisfied + --> $DIR/associated-types-no-suitable-supertrait.rs:23:64 + | +LL | fn uhoh<U:Get>(&self, foo: U, bar: <(T, U) as Get>::Value) {} + | ^^ the trait `Get` is not implemented for `(T, U)` + | +help: this trait has no implementations, consider adding one + --> $DIR/associated-types-no-suitable-supertrait.rs:12:1 + | +LL | trait Get { + | ^^^^^^^^^ + +error: aborting due to 5 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/associated-types/hr-associated-type-bound-1.rs b/tests/ui/associated-types/hr-associated-type-bound-1.rs index db414164e16..37c1a47fcd2 100644 --- a/tests/ui/associated-types/hr-associated-type-bound-1.rs +++ b/tests/ui/associated-types/hr-associated-type-bound-1.rs @@ -15,4 +15,5 @@ impl X<'_> for i32 { fn main() { 1i32.f("abc"); + //~^ ERROR the trait bound `str: Clone` } diff --git a/tests/ui/associated-types/hr-associated-type-bound-1.stderr b/tests/ui/associated-types/hr-associated-type-bound-1.stderr index 01005b6b22d..8830048ed4e 100644 --- a/tests/ui/associated-types/hr-associated-type-bound-1.stderr +++ b/tests/ui/associated-types/hr-associated-type-bound-1.stderr @@ -14,6 +14,22 @@ LL | where LL | for<'b> <Self as X<'b>>::U: Clone, | ^^^^^ required by this bound in `X` -error: aborting due to 1 previous error +error[E0277]: the trait bound `str: Clone` is not satisfied + --> $DIR/hr-associated-type-bound-1.rs:17:10 + | +LL | 1i32.f("abc"); + | ^ the trait `Clone` is not implemented for `str` + | + = help: the trait `Clone` is implemented for `String` +note: required by a bound in `X::f` + --> $DIR/hr-associated-type-bound-1.rs:3:33 + | +LL | for<'b> <Self as X<'b>>::U: Clone, + | ^^^^^ required by this bound in `X::f` +... +LL | fn f(&self, x: &Self::U) { + | - required by a bound in this associated function + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/associated-types/hr-associated-type-bound-object.rs b/tests/ui/associated-types/hr-associated-type-bound-object.rs index e19c918c3df..fec253f9289 100644 --- a/tests/ui/associated-types/hr-associated-type-bound-object.rs +++ b/tests/ui/associated-types/hr-associated-type-bound-object.rs @@ -7,6 +7,9 @@ where fn f<'a, T: X<'a> + ?Sized>(x: &<T as X<'a>>::U) { //~^ ERROR the trait bound `for<'b> <T as X<'b>>::U: Clone` is not satisfied <<T as X<'_>>::U>::clone(x); + //~^ ERROR the trait bound `for<'b> <T as X<'b>>::U: Clone` is not satisfied + //~| ERROR the trait bound `for<'b> <T as X<'b>>::U: Clone` is not satisfied + //~| ERROR the trait bound `<T as X<'_>>::U: Clone` is not satisfied } pub fn main() { diff --git a/tests/ui/associated-types/hr-associated-type-bound-object.stderr b/tests/ui/associated-types/hr-associated-type-bound-object.stderr index 87a048d0a13..322d6e7b947 100644 --- a/tests/ui/associated-types/hr-associated-type-bound-object.stderr +++ b/tests/ui/associated-types/hr-associated-type-bound-object.stderr @@ -17,6 +17,55 @@ help: consider further restricting the associated type LL | fn f<'a, T: X<'a> + ?Sized>(x: &<T as X<'a>>::U) where for<'b> <T as X<'b>>::U: Clone { | ++++++++++++++++++++++++++++++++++++ -error: aborting due to 1 previous error +error[E0277]: the trait bound `for<'b> <T as X<'b>>::U: Clone` is not satisfied + --> $DIR/hr-associated-type-bound-object.rs:9:7 + | +LL | <<T as X<'_>>::U>::clone(x); + | ^ the trait `for<'b> Clone` is not implemented for `<T as X<'b>>::U` + | +note: required by a bound in `X::U` + --> $DIR/hr-associated-type-bound-object.rs:3:33 + | +LL | for<'b> <Self as X<'b>>::U: Clone, + | ^^^^^ required by this bound in `X::U` +LL | { +LL | type U: ?Sized; + | - required by a bound in this associated type +help: consider further restricting the associated type + | +LL | fn f<'a, T: X<'a> + ?Sized>(x: &<T as X<'a>>::U) where for<'b> <T as X<'b>>::U: Clone { + | ++++++++++++++++++++++++++++++++++++ + +error[E0277]: the trait bound `<T as X<'_>>::U: Clone` is not satisfied + --> $DIR/hr-associated-type-bound-object.rs:9:6 + | +LL | <<T as X<'_>>::U>::clone(x); + | ^^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `<T as X<'_>>::U` + | +help: consider further restricting the associated type + | +LL | fn f<'a, T: X<'a> + ?Sized>(x: &<T as X<'a>>::U) where <T as X<'_>>::U: Clone { + | ++++++++++++++++++++++++++++ + +error[E0277]: the trait bound `for<'b> <T as X<'b>>::U: Clone` is not satisfied + --> $DIR/hr-associated-type-bound-object.rs:9:5 + | +LL | <<T as X<'_>>::U>::clone(x); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `for<'b> Clone` is not implemented for `<T as X<'b>>::U` + | +note: required by a bound in `X` + --> $DIR/hr-associated-type-bound-object.rs:3:33 + | +LL | trait X<'a> + | - required by a bound in this trait +LL | where +LL | for<'b> <Self as X<'b>>::U: Clone, + | ^^^^^ required by this bound in `X` +help: consider further restricting the associated type + | +LL | fn f<'a, T: X<'a> + ?Sized>(x: &<T as X<'a>>::U) where for<'b> <T as X<'b>>::U: Clone { + | ++++++++++++++++++++++++++++++++++++ + +error: aborting due to 4 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/associated-types/hr-associated-type-bound-param-1.rs b/tests/ui/associated-types/hr-associated-type-bound-param-1.rs index bbeeb145d1f..763d48252f7 100644 --- a/tests/ui/associated-types/hr-associated-type-bound-param-1.rs +++ b/tests/ui/associated-types/hr-associated-type-bound-param-1.rs @@ -17,4 +17,5 @@ impl<'a> Y<'a, u8> for u8 { fn main() { 1u8.g("abc"); + //~^ ERROR the trait bound `str: Clone` is not satisfied } diff --git a/tests/ui/associated-types/hr-associated-type-bound-param-1.stderr b/tests/ui/associated-types/hr-associated-type-bound-param-1.stderr index 0031d205b84..ad6d3e17684 100644 --- a/tests/ui/associated-types/hr-associated-type-bound-param-1.stderr +++ b/tests/ui/associated-types/hr-associated-type-bound-param-1.stderr @@ -14,6 +14,22 @@ LL | trait Y<'a, T: ?Sized> LL | for<'b> <Self as Y<'b, T>>::V: Clone, | ^^^^^ required by this bound in `Y` -error: aborting due to 1 previous error +error[E0277]: the trait bound `str: Clone` is not satisfied + --> $DIR/hr-associated-type-bound-param-1.rs:19:9 + | +LL | 1u8.g("abc"); + | ^ the trait `Clone` is not implemented for `str` + | + = help: the trait `Clone` is implemented for `String` +note: required by a bound in `Y::g` + --> $DIR/hr-associated-type-bound-param-1.rs:4:36 + | +LL | for<'b> <Self as Y<'b, T>>::V: Clone, + | ^^^^^ required by this bound in `Y::g` +... +LL | fn g(&self, x: &Self::V) { + | - required by a bound in this associated function + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/associated-types/hr-associated-type-bound-param-2.rs b/tests/ui/associated-types/hr-associated-type-bound-param-2.rs index f74c5a8590d..b1a6fe87159 100644 --- a/tests/ui/associated-types/hr-associated-type-bound-param-2.rs +++ b/tests/ui/associated-types/hr-associated-type-bound-param-2.rs @@ -8,6 +8,8 @@ where type W: ?Sized; fn h(&self, x: &T::W) { <T::W>::clone(x); + //~^ the trait bound `str: Clone` is not satisfied + //~| the trait bound `str: Clone` is not satisfied } } @@ -18,4 +20,5 @@ impl<'a> Z<'a, u16> for u16 { fn main() { 1u16.h("abc"); + //~^ ERROR Clone` is not satisfied } diff --git a/tests/ui/associated-types/hr-associated-type-bound-param-2.stderr b/tests/ui/associated-types/hr-associated-type-bound-param-2.stderr index bb484da6a77..6a5729e7784 100644 --- a/tests/ui/associated-types/hr-associated-type-bound-param-2.stderr +++ b/tests/ui/associated-types/hr-associated-type-bound-param-2.stderr @@ -15,7 +15,7 @@ LL | for<'b> <T as Z<'b, u16>>::W: Clone, | ^^^^^ required by this bound in `Z` error[E0277]: the trait bound `str: Clone` is not satisfied - --> $DIR/hr-associated-type-bound-param-2.rs:15:14 + --> $DIR/hr-associated-type-bound-param-2.rs:17:14 | LL | type W = str; | ^^^ the trait `Clone` is not implemented for `str`, which is required by `for<'b> <u16 as Z<'b, u16>>::W: Clone` @@ -47,6 +47,54 @@ LL | for<'b> <T as Z<'b, u16>>::W: Clone, | ^^^^^ required by this bound in `Z` = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -error: aborting due to 3 previous errors +error[E0277]: the trait bound `str: Clone` is not satisfied + --> $DIR/hr-associated-type-bound-param-2.rs:10:10 + | +LL | <T::W>::clone(x); + | ^^^^ the trait `Clone` is not implemented for `str` + | + = help: the trait `Clone` is implemented for `String` +note: required by a bound in `Z::W` + --> $DIR/hr-associated-type-bound-param-2.rs:6:35 + | +LL | for<'b> <T as Z<'b, u16>>::W: Clone, + | ^^^^^ required by this bound in `Z::W` +LL | { +LL | type W: ?Sized; + | - required by a bound in this associated type + +error[E0277]: the trait bound `str: Clone` is not satisfied + --> $DIR/hr-associated-type-bound-param-2.rs:10:9 + | +LL | <T::W>::clone(x); + | ^^^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `str` + | + = help: the trait `Clone` is implemented for `String` +note: required by a bound in `Z` + --> $DIR/hr-associated-type-bound-param-2.rs:6:35 + | +LL | trait Z<'a, T: ?Sized> + | - required by a bound in this trait +... +LL | for<'b> <T as Z<'b, u16>>::W: Clone, + | ^^^^^ required by this bound in `Z` + +error[E0277]: the trait bound `str: Clone` is not satisfied + --> $DIR/hr-associated-type-bound-param-2.rs:22:10 + | +LL | 1u16.h("abc"); + | ^ the trait `Clone` is not implemented for `str` + | + = help: the trait `Clone` is implemented for `String` +note: required by a bound in `Z::h` + --> $DIR/hr-associated-type-bound-param-2.rs:6:35 + | +LL | for<'b> <T as Z<'b, u16>>::W: Clone, + | ^^^^^ required by this bound in `Z::h` +... +LL | fn h(&self, x: &T::W) { + | - required by a bound in this associated function + +error: aborting due to 6 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/associated-types/hr-associated-type-bound-param-3.rs b/tests/ui/associated-types/hr-associated-type-bound-param-3.rs index fda7d811185..8b4c84aa349 100644 --- a/tests/ui/associated-types/hr-associated-type-bound-param-3.rs +++ b/tests/ui/associated-types/hr-associated-type-bound-param-3.rs @@ -16,4 +16,5 @@ impl<S, T> X<'_, (T,)> for (S,) { pub fn main() { <(i32,) as X<(i32,)>>::f("abc"); + //~^ ERROR the trait bound `str: Clone` is not satisfied } diff --git a/tests/ui/associated-types/hr-associated-type-bound-param-3.stderr b/tests/ui/associated-types/hr-associated-type-bound-param-3.stderr index f4d2f43a9b4..70e030f2d1c 100644 --- a/tests/ui/associated-types/hr-associated-type-bound-param-3.stderr +++ b/tests/ui/associated-types/hr-associated-type-bound-param-3.stderr @@ -14,6 +14,22 @@ LL | trait X<'a, T> LL | for<'b> <T as X<'b, T>>::U: Clone, | ^^^^^ required by this bound in `X` -error: aborting due to 1 previous error +error[E0277]: the trait bound `str: Clone` is not satisfied + --> $DIR/hr-associated-type-bound-param-3.rs:18:5 + | +LL | <(i32,) as X<(i32,)>>::f("abc"); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `str` + | + = help: the trait `Clone` is implemented for `String` +note: required by a bound in `X::f` + --> $DIR/hr-associated-type-bound-param-3.rs:4:33 + | +LL | for<'b> <T as X<'b, T>>::U: Clone, + | ^^^^^ required by this bound in `X::f` +... +LL | fn f(x: &<T as X<'_, T>>::U) { + | - required by a bound in this associated function + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/associated-types/hr-associated-type-bound-param-4.rs b/tests/ui/associated-types/hr-associated-type-bound-param-4.rs index 20c8157ed97..b75bd896cc8 100644 --- a/tests/ui/associated-types/hr-associated-type-bound-param-4.rs +++ b/tests/ui/associated-types/hr-associated-type-bound-param-4.rs @@ -16,4 +16,5 @@ impl<S, T> X<'_, T> for (S,) { pub fn main() { <(i32,) as X<i32>>::f("abc"); + //~^ ERROR the trait bound `str: Clone` is not satisfied } diff --git a/tests/ui/associated-types/hr-associated-type-bound-param-4.stderr b/tests/ui/associated-types/hr-associated-type-bound-param-4.stderr index 7f03d155391..cba12afd674 100644 --- a/tests/ui/associated-types/hr-associated-type-bound-param-4.stderr +++ b/tests/ui/associated-types/hr-associated-type-bound-param-4.stderr @@ -14,6 +14,22 @@ LL | trait X<'a, T> LL | for<'b> <(T,) as X<'b, T>>::U: Clone, | ^^^^^ required by this bound in `X` -error: aborting due to 1 previous error +error[E0277]: the trait bound `str: Clone` is not satisfied + --> $DIR/hr-associated-type-bound-param-4.rs:18:5 + | +LL | <(i32,) as X<i32>>::f("abc"); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `str` + | + = help: the trait `Clone` is implemented for `String` +note: required by a bound in `X::f` + --> $DIR/hr-associated-type-bound-param-4.rs:4:36 + | +LL | for<'b> <(T,) as X<'b, T>>::U: Clone, + | ^^^^^ required by this bound in `X::f` +... +LL | fn f(x: &<(T,) as X<'_, T>>::U) { + | - required by a bound in this associated function + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/associated-types/hr-associated-type-bound-param-5.rs b/tests/ui/associated-types/hr-associated-type-bound-param-5.rs index d7f3151a502..672ade9aa5e 100644 --- a/tests/ui/associated-types/hr-associated-type-bound-param-5.rs +++ b/tests/ui/associated-types/hr-associated-type-bound-param-5.rs @@ -34,4 +34,5 @@ impl<S, T> X<'_, Box<T>> for S { pub fn main() { <i32 as X<Box<i32>>>::f("abc"); + //~^ ERROR the trait bound `str: Clone` is not satisfied } diff --git a/tests/ui/associated-types/hr-associated-type-bound-param-5.stderr b/tests/ui/associated-types/hr-associated-type-bound-param-5.stderr index fbbc2f45772..ac96187749a 100644 --- a/tests/ui/associated-types/hr-associated-type-bound-param-5.stderr +++ b/tests/ui/associated-types/hr-associated-type-bound-param-5.stderr @@ -30,6 +30,22 @@ LL | trait X<'a, T: Cycle + for<'b> X<'b, T>> LL | for<'b> <T::Next as X<'b, T::Next>>::U: Clone, | ^^^^^ required by this bound in `X` -error: aborting due to 2 previous errors +error[E0277]: the trait bound `str: Clone` is not satisfied + --> $DIR/hr-associated-type-bound-param-5.rs:36:5 + | +LL | <i32 as X<Box<i32>>>::f("abc"); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `str` + | + = help: the trait `Clone` is implemented for `String` +note: required by a bound in `X::f` + --> $DIR/hr-associated-type-bound-param-5.rs:15:33 + | +LL | for<'b> <T as X<'b, T>>::U: Clone, + | ^^^^^ required by this bound in `X::f` +... +LL | fn f(x: &<T as X<'_, T>>::U) { + | - required by a bound in this associated function + +error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/associated-types/hr-associated-type-bound-param-6.rs b/tests/ui/associated-types/hr-associated-type-bound-param-6.rs index 482047b0959..f6639904ab3 100644 --- a/tests/ui/associated-types/hr-associated-type-bound-param-6.rs +++ b/tests/ui/associated-types/hr-associated-type-bound-param-6.rs @@ -16,4 +16,6 @@ impl<S, T> X<'_, T> for (S,) { pub fn main() { <(i32,) as X<i32>>::f("abc"); + //~^ ERROR the trait bound `for<'b> i32: X<'b, i32>` is not satisfied + //~| ERROR the trait bound `i32: X<'_, i32>` is not satisfied } diff --git a/tests/ui/associated-types/hr-associated-type-bound-param-6.stderr b/tests/ui/associated-types/hr-associated-type-bound-param-6.stderr index da988f4cfc1..cba83120fdc 100644 --- a/tests/ui/associated-types/hr-associated-type-bound-param-6.stderr +++ b/tests/ui/associated-types/hr-associated-type-bound-param-6.stderr @@ -9,6 +9,22 @@ help: consider restricting type parameter `T` LL | impl<S, T: for<'b> X<'b, T>> X<'_, T> for (S,) { | ++++++++++++++++++ -error: aborting due to 1 previous error +error[E0277]: the trait bound `for<'b> i32: X<'b, i32>` is not satisfied + --> $DIR/hr-associated-type-bound-param-6.rs:18:5 + | +LL | <(i32,) as X<i32>>::f("abc"); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `for<'b> X<'b, i32>` is not implemented for `i32` + | + = help: the trait `X<'_, T>` is implemented for `(S,)` + +error[E0277]: the trait bound `i32: X<'_, i32>` is not satisfied + --> $DIR/hr-associated-type-bound-param-6.rs:18:27 + | +LL | <(i32,) as X<i32>>::f("abc"); + | ^^^^^ the trait `X<'_, i32>` is not implemented for `i32` + | + = help: the trait `X<'_, T>` is implemented for `(S,)` + +error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/associated-types/hr-associated-type-projection-1.rs b/tests/ui/associated-types/hr-associated-type-projection-1.rs index 951dd9e97d2..3df3f68ab1e 100644 --- a/tests/ui/associated-types/hr-associated-type-projection-1.rs +++ b/tests/ui/associated-types/hr-associated-type-projection-1.rs @@ -17,4 +17,5 @@ impl<T: Copy + std::ops::Deref> UnsafeCopy<'_, T> for T { pub fn main() { <&'static str>::bug(&""); + //~^ type mismatch resolving `<&str as Deref>::Target == &str` } diff --git a/tests/ui/associated-types/hr-associated-type-projection-1.stderr b/tests/ui/associated-types/hr-associated-type-projection-1.stderr index 59b52521ef8..65221718ee6 100644 --- a/tests/ui/associated-types/hr-associated-type-projection-1.stderr +++ b/tests/ui/associated-types/hr-associated-type-projection-1.stderr @@ -21,6 +21,21 @@ help: consider further restricting this bound LL | impl<T: Copy + std::ops::Deref<Target = T>> UnsafeCopy<'_, T> for T { | ++++++++++++ -error: aborting due to 1 previous error +error[E0271]: type mismatch resolving `<&str as Deref>::Target == &str` + --> $DIR/hr-associated-type-projection-1.rs:19:6 + | +LL | <&'static str>::bug(&""); + | ^^^^^^^^^^^^ expected `&str`, found `str` + | +note: required by a bound in `UnsafeCopy::bug` + --> $DIR/hr-associated-type-projection-1.rs:3:64 + | +LL | for<'b> <Self as UnsafeCopy<'b, T>>::Item: std::ops::Deref<Target = T>, + | ^^^^^^^^^^ required by this bound in `UnsafeCopy::bug` +... +LL | fn bug(item: &Self::Item) -> () { + | --- required by a bound in this associated function + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0271`. diff --git a/tests/ui/associated-types/issue-20005.rs b/tests/ui/associated-types/issue-20005.rs index 36350bff100..e6e83d92061 100644 --- a/tests/ui/associated-types/issue-20005.rs +++ b/tests/ui/associated-types/issue-20005.rs @@ -6,9 +6,9 @@ trait From<Src> { trait To { fn to<Dst>( - self + self //~ ERROR the size for values of type ) -> <Dst as From<Self>>::Result where Dst: From<Self> { //~ ERROR the size for values of type - From::from(self) + From::from(self) //~ ERROR the size for values of type } } diff --git a/tests/ui/associated-types/issue-20005.stderr b/tests/ui/associated-types/issue-20005.stderr index f2983383fa6..1600227c82d 100644 --- a/tests/ui/associated-types/issue-20005.stderr +++ b/tests/ui/associated-types/issue-20005.stderr @@ -18,6 +18,42 @@ help: consider relaxing the implicit `Sized` restriction LL | trait From<Src: ?Sized> { | ++++++++ -error: aborting due to 1 previous error +error[E0277]: the size for values of type `Self` cannot be known at compilation time + --> $DIR/issue-20005.rs:9:9 + | +LL | self + | ^^^^ doesn't have a size known at compile-time + | + = help: unsized fn params are gated as an unstable feature +help: consider further restricting `Self` + | +LL | ) -> <Dst as From<Self>>::Result where Dst: From<Self>, Self: Sized { + | +++++++++++++ +help: function arguments must have a statically known size, borrowed types always have a known size + | +LL | &self + | + + +error[E0277]: the size for values of type `Self` cannot be known at compilation time + --> $DIR/issue-20005.rs:11:9 + | +LL | From::from(self) + | ^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time + | +note: required by an implicit `Sized` bound in `From` + --> $DIR/issue-20005.rs:1:12 + | +LL | trait From<Src> { + | ^^^ required by the implicit `Sized` requirement on this type parameter in `From` +help: consider further restricting `Self` + | +LL | ) -> <Dst as From<Self>>::Result where Dst: From<Self>, Self: Sized { + | +++++++++++++ +help: consider relaxing the implicit `Sized` restriction + | +LL | trait From<Src: ?Sized> { + | ++++++++ + +error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/associated-types/issue-38821.rs b/tests/ui/associated-types/issue-38821.rs index 34c35d7acf1..c9be1369f16 100644 --- a/tests/ui/associated-types/issue-38821.rs +++ b/tests/ui/associated-types/issue-38821.rs @@ -35,6 +35,8 @@ pub trait Column: Expression {} //~| ERROR the trait bound `<Col as Expression>::SqlType: NotNull` is not satisfied //~| ERROR the trait bound `<Col as Expression>::SqlType: NotNull` is not satisfied //~| ERROR the trait bound `<Col as Expression>::SqlType: NotNull` is not satisfied +//~| ERROR the trait bound `<Col as Expression>::SqlType: NotNull` is not satisfied +//~| ERROR the trait bound `<Col as Expression>::SqlType: NotNull` is not satisfied pub enum ColumnInsertValue<Col, Expr> where //~^ ERROR the trait bound `<Col as Expression>::SqlType: NotNull` is not satisfied //~| ERROR the trait bound `<Col as Expression>::SqlType: NotNull` is not satisfied diff --git a/tests/ui/associated-types/issue-38821.stderr b/tests/ui/associated-types/issue-38821.stderr index 50d622c89bb..acf6bb2810c 100644 --- a/tests/ui/associated-types/issue-38821.stderr +++ b/tests/ui/associated-types/issue-38821.stderr @@ -18,7 +18,7 @@ LL | Expr: Expression<SqlType=<Col::SqlType as IntoNullable>::Nullable>, <Co | +++++++++++++++++++++++++++++++++++++++ error[E0277]: the trait bound `<Col as Expression>::SqlType: NotNull` is not satisfied - --> $DIR/issue-38821.rs:38:1 + --> $DIR/issue-38821.rs:40:1 | LL | pub enum ColumnInsertValue<Col, Expr> where | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `NotNull` is not implemented for `<Col as Expression>::SqlType`, which is required by `<Col as Expression>::SqlType: IntoNullable` @@ -36,7 +36,7 @@ LL | Expr: Expression<SqlType=<Col::SqlType as IntoNullable>::Nullable>, <Co | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error[E0277]: the trait bound `<Col as Expression>::SqlType: NotNull` is not satisfied - --> $DIR/issue-38821.rs:38:1 + --> $DIR/issue-38821.rs:40:1 | LL | / pub enum ColumnInsertValue<Col, Expr> where LL | | @@ -283,6 +283,38 @@ LL | impl<T: NotNull> IntoNullable for T { = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) -error: aborting due to 16 previous errors +error[E0277]: the trait bound `<Col as Expression>::SqlType: NotNull` is not satisfied + --> $DIR/issue-38821.rs:23:10 + | +LL | #[derive(Debug, Copy, Clone)] + | ^^^^^ the trait `NotNull` is not implemented for `<Col as Expression>::SqlType`, which is required by `<Col as Expression>::SqlType: IntoNullable` + | +note: required for `<Col as Expression>::SqlType` to implement `IntoNullable` + --> $DIR/issue-38821.rs:9:18 + | +LL | impl<T: NotNull> IntoNullable for T { + | ------- ^^^^^^^^^^^^ ^ + | | + | unsatisfied trait bound introduced here + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + = note: this error originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) + +error[E0277]: the trait bound `<Col as Expression>::SqlType: NotNull` is not satisfied + --> $DIR/issue-38821.rs:23:23 + | +LL | #[derive(Debug, Copy, Clone)] + | ^^^^^ the trait `NotNull` is not implemented for `<Col as Expression>::SqlType`, which is required by `<Col as Expression>::SqlType: IntoNullable` + | +note: required for `<Col as Expression>::SqlType` to implement `IntoNullable` + --> $DIR/issue-38821.rs:9:18 + | +LL | impl<T: NotNull> IntoNullable for T { + | ------- ^^^^^^^^^^^^ ^ + | | + | unsatisfied trait bound introduced here + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) + +error: aborting due to 18 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/associated-types/issue-59324.rs b/tests/ui/associated-types/issue-59324.rs index 551f13ee178..7421e08c898 100644 --- a/tests/ui/associated-types/issue-59324.rs +++ b/tests/ui/associated-types/issue-59324.rs @@ -22,5 +22,7 @@ pub trait ThriftService<Bug: NotFoo>: fn with_factory<H>(factory: dyn ThriftService<()>) {} //~^ ERROR the trait bound `(): Foo` is not satisfied +//~| ERROR the trait bound `(): Foo` is not satisfied +//~| ERROR cannot be known at compilation time fn main() {} diff --git a/tests/ui/associated-types/issue-59324.stderr b/tests/ui/associated-types/issue-59324.stderr index 266e22d4726..f50d86580f8 100644 --- a/tests/ui/associated-types/issue-59324.stderr +++ b/tests/ui/associated-types/issue-59324.stderr @@ -66,6 +66,35 @@ help: consider further restricting this bound LL | pub trait ThriftService<Bug: NotFoo + Foo>: | +++++ -error: aborting due to 5 previous errors +error[E0277]: the trait bound `(): Foo` is not satisfied + --> $DIR/issue-59324.rs:23:52 + | +LL | fn with_factory<H>(factory: dyn ThriftService<()>) {} + | ^^ the trait `Foo` is not implemented for `()` + | +help: this trait has no implementations, consider adding one + --> $DIR/issue-59324.rs:3:1 + | +LL | pub trait Foo: NotFoo { + | ^^^^^^^^^^^^^^^^^^^^^ + +error[E0277]: the size for values of type `(dyn ThriftService<(), AssocType = _> + 'static)` cannot be known at compilation time + --> $DIR/issue-59324.rs:23:20 + | +LL | fn with_factory<H>(factory: dyn ThriftService<()>) {} + | ^^^^^^^ doesn't have a size known at compile-time + | + = help: the trait `Sized` is not implemented for `(dyn ThriftService<(), AssocType = _> + 'static)` + = help: unsized fn params are gated as an unstable feature +help: you can use `impl Trait` as the argument type + | +LL | fn with_factory<H>(factory: impl ThriftService<()>) {} + | ~~~~ +help: function arguments must have a statically known size, borrowed types always have a known size + | +LL | fn with_factory<H>(factory: &dyn ThriftService<()>) {} + | + + +error: aborting due to 7 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/auto-traits/issue-83857-ub.rs b/tests/ui/auto-traits/issue-83857-ub.rs index 626e60c37f6..f9b47d2b0c6 100644 --- a/tests/ui/auto-traits/issue-83857-ub.rs +++ b/tests/ui/auto-traits/issue-83857-ub.rs @@ -21,7 +21,9 @@ impl WithAssoc for Foo<u32, ()> { fn generic<T, U>(v: Foo<T, U>, f: fn(<Foo<T, U> as WithAssoc>::Output) -> i32) { //~^ ERROR `Foo<T, U>` cannot be sent between threads safely + //~| ERROR `Foo<T, U>` cannot be sent between threads safely f(foo(v)); + //~^ ERROR `Foo<T, U>` cannot be sent between threads safely } fn foo<T: Send>(x: T) -> <T as WithAssoc>::Output { diff --git a/tests/ui/auto-traits/issue-83857-ub.stderr b/tests/ui/auto-traits/issue-83857-ub.stderr index 97f1a603208..6372bdfe762 100644 --- a/tests/ui/auto-traits/issue-83857-ub.stderr +++ b/tests/ui/auto-traits/issue-83857-ub.stderr @@ -17,6 +17,50 @@ help: consider introducing a `where` clause, but there might be an alternative b LL | fn generic<T, U>(v: Foo<T, U>, f: fn(<Foo<T, U> as WithAssoc>::Output) -> i32) where Foo<T, U>: Send { | +++++++++++++++++++++ -error: aborting due to 1 previous error +error[E0277]: `Foo<T, U>` cannot be sent between threads safely + --> $DIR/issue-83857-ub.rs:22:80 + | +LL | fn generic<T, U>(v: Foo<T, U>, f: fn(<Foo<T, U> as WithAssoc>::Output) -> i32) { + | ________________________________________________________________________________^ +LL | | +LL | | +LL | | f(foo(v)); +LL | | +LL | | } + | |_^ `Foo<T, U>` cannot be sent between threads safely + | + = help: the trait `Send` is not implemented for `Foo<T, U>`, which is required by `Foo<T, U>: WithAssoc` +note: required for `Foo<T, U>` to implement `WithAssoc` + --> $DIR/issue-83857-ub.rs:15:15 + | +LL | impl<T: Send> WithAssoc for T { + | ---- ^^^^^^^^^ ^ + | | + | unsatisfied trait bound introduced here +help: consider introducing a `where` clause, but there might be an alternative better way to express this requirement + | +LL | fn generic<T, U>(v: Foo<T, U>, f: fn(<Foo<T, U> as WithAssoc>::Output) -> i32) where Foo<T, U>: Send { + | +++++++++++++++++++++ + +error[E0277]: `Foo<T, U>` cannot be sent between threads safely + --> $DIR/issue-83857-ub.rs:25:11 + | +LL | f(foo(v)); + | --- ^ `Foo<T, U>` cannot be sent between threads safely + | | + | required by a bound introduced by this call + | + = help: the trait `Send` is not implemented for `Foo<T, U>` +note: required by a bound in `foo` + --> $DIR/issue-83857-ub.rs:29:11 + | +LL | fn foo<T: Send>(x: T) -> <T as WithAssoc>::Output { + | ^^^^ required by this bound in `foo` +help: consider introducing a `where` clause, but there might be an alternative better way to express this requirement + | +LL | fn generic<T, U>(v: Foo<T, U>, f: fn(<Foo<T, U> as WithAssoc>::Output) -> i32) where Foo<T, U>: Send { + | +++++++++++++++++++++ + +error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/builtin-superkinds/builtin-superkinds-self-type.rs b/tests/ui/builtin-superkinds/builtin-superkinds-self-type.rs index 6fba87b3197..05b51e969a0 100644 --- a/tests/ui/builtin-superkinds/builtin-superkinds-self-type.rs +++ b/tests/ui/builtin-superkinds/builtin-superkinds-self-type.rs @@ -14,4 +14,5 @@ fn main() { let (tx, rx) = channel(); 1193182.foo(tx); assert_eq!(rx.recv(), 1193182); + //~^ ERROR: mismatched types } diff --git a/tests/ui/builtin-superkinds/builtin-superkinds-self-type.stderr b/tests/ui/builtin-superkinds/builtin-superkinds-self-type.stderr index d0102635315..22e72b6245c 100644 --- a/tests/ui/builtin-superkinds/builtin-superkinds-self-type.stderr +++ b/tests/ui/builtin-superkinds/builtin-superkinds-self-type.stderr @@ -17,6 +17,20 @@ help: consider adding an explicit lifetime bound LL | impl <T: Sync + 'static> Foo for T { } | +++++++++ -error: aborting due to 1 previous error +error[E0308]: mismatched types + --> $DIR/builtin-superkinds-self-type.rs:16:27 + | +LL | assert_eq!(rx.recv(), 1193182); + | ^^^^^^^ expected `Result<{integer}, RecvError>`, found integer + | + = note: expected enum `Result<{integer}, RecvError>` + found type `{integer}` +help: try wrapping the expression in `Ok` + | +LL | assert_eq!(rx.recv(), Ok(1193182)); + | +++ + + +error: aborting due to 2 previous errors -For more information about this error, try `rustc --explain E0310`. +Some errors have detailed explanations: E0308, E0310. +For more information about an error, try `rustc --explain E0308`. diff --git a/tests/ui/closures/closure-bounds-cant-promote-superkind-in-struct.rs b/tests/ui/closures/closure-bounds-cant-promote-superkind-in-struct.rs index 039cf3e0464..84aaa5f85e4 100644 --- a/tests/ui/closures/closure-bounds-cant-promote-superkind-in-struct.rs +++ b/tests/ui/closures/closure-bounds-cant-promote-superkind-in-struct.rs @@ -5,6 +5,7 @@ struct X<F> where F: FnOnce() + 'static + Send { fn foo<F>(blk: F) -> X<F> where F: FnOnce() + 'static { //~^ ERROR `F` cannot be sent between threads safely return X { field: blk }; + //~^ ERROR `F` cannot be sent between threads safely } fn main() { diff --git a/tests/ui/closures/closure-bounds-cant-promote-superkind-in-struct.stderr b/tests/ui/closures/closure-bounds-cant-promote-superkind-in-struct.stderr index e98f05b470e..8157590bd9e 100644 --- a/tests/ui/closures/closure-bounds-cant-promote-superkind-in-struct.stderr +++ b/tests/ui/closures/closure-bounds-cant-promote-superkind-in-struct.stderr @@ -14,6 +14,22 @@ help: consider further restricting this bound LL | fn foo<F>(blk: F) -> X<F> where F: FnOnce() + 'static + std::marker::Send { | +++++++++++++++++++ -error: aborting due to 1 previous error +error[E0277]: `F` cannot be sent between threads safely + --> $DIR/closure-bounds-cant-promote-superkind-in-struct.rs:7:23 + | +LL | return X { field: blk }; + | ^^^ `F` cannot be sent between threads safely + | +note: required by a bound in `X` + --> $DIR/closure-bounds-cant-promote-superkind-in-struct.rs:1:43 + | +LL | struct X<F> where F: FnOnce() + 'static + Send { + | ^^^^ required by this bound in `X` +help: consider further restricting this bound + | +LL | fn foo<F>(blk: F) -> X<F> where F: FnOnce() + 'static + std::marker::Send { + | +++++++++++++++++++ + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/coherence/coherence-blanket-conflicts-with-specific-multidispatch.rs b/tests/ui/coherence/coherence-blanket-conflicts-with-specific-multidispatch.rs index cdec81271d0..8426748fd52 100644 --- a/tests/ui/coherence/coherence-blanket-conflicts-with-specific-multidispatch.rs +++ b/tests/ui/coherence/coherence-blanket-conflicts-with-specific-multidispatch.rs @@ -23,6 +23,7 @@ impl MyTrait<MyType> for MyType { //~^ ERROR E0119 fn get(&self) -> usize { (*self).clone() } //~^ ERROR incompatible type + //~| ERROR mismatched types } fn main() { } diff --git a/tests/ui/coherence/coherence-blanket-conflicts-with-specific-multidispatch.stderr b/tests/ui/coherence/coherence-blanket-conflicts-with-specific-multidispatch.stderr index 471dfe1cae7..0653009409c 100644 --- a/tests/ui/coherence/coherence-blanket-conflicts-with-specific-multidispatch.stderr +++ b/tests/ui/coherence/coherence-blanket-conflicts-with-specific-multidispatch.stderr @@ -24,7 +24,15 @@ LL | fn get(&self) -> T; = note: expected signature `fn(&MyType) -> MyType` found signature `fn(&MyType) -> usize` -error: aborting due to 2 previous errors +error[E0308]: mismatched types + --> $DIR/coherence-blanket-conflicts-with-specific-multidispatch.rs:24:30 + | +LL | fn get(&self) -> usize { (*self).clone() } + | ----- ^^^^^^^^^^^^^^^ expected `usize`, found `MyType` + | | + | expected `usize` because of return type + +error: aborting due to 3 previous errors -Some errors have detailed explanations: E0053, E0119. +Some errors have detailed explanations: E0053, E0119, E0308. For more information about an error, try `rustc --explain E0053`. diff --git a/tests/ui/coherence/coherence-tuple-conflict.rs b/tests/ui/coherence/coherence-tuple-conflict.rs index 8cc82972668..8dd09598c30 100644 --- a/tests/ui/coherence/coherence-tuple-conflict.rs +++ b/tests/ui/coherence/coherence-tuple-conflict.rs @@ -15,6 +15,7 @@ impl<T> MyTrait for (T,T) { impl<A,B> MyTrait for (A,B) { //~^ ERROR E0119 fn get(&self) -> usize { self.dummy } + //~^ ERROR: no field `dummy` } fn main() { } diff --git a/tests/ui/coherence/coherence-tuple-conflict.stderr b/tests/ui/coherence/coherence-tuple-conflict.stderr index 4e02c0eb43c..95f9a1a8841 100644 --- a/tests/ui/coherence/coherence-tuple-conflict.stderr +++ b/tests/ui/coherence/coherence-tuple-conflict.stderr @@ -7,6 +7,13 @@ LL | impl<T> MyTrait for (T,T) { LL | impl<A,B> MyTrait for (A,B) { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(_, _)` -error: aborting due to 1 previous error +error[E0609]: no field `dummy` on type `&(A, B)` + --> $DIR/coherence-tuple-conflict.rs:17:35 + | +LL | fn get(&self) -> usize { self.dummy } + | ^^^^^ unknown field + +error: aborting due to 2 previous errors -For more information about this error, try `rustc --explain E0119`. +Some errors have detailed explanations: E0119, E0609. +For more information about an error, try `rustc --explain E0119`. diff --git a/tests/ui/coherence/occurs-check/associated-type.next.stderr b/tests/ui/coherence/occurs-check/associated-type.next.stderr index f64e8b39798..65be4a9c884 100644 --- a/tests/ui/coherence/occurs-check/associated-type.next.stderr +++ b/tests/ui/coherence/occurs-check/associated-type.next.stderr @@ -20,6 +20,13 @@ LL | | for<'a> *const T: ToUnit<'a>, | = note: this behavior recently changed as a result of a bug fix; see rust-lang/rust#56105 for details -error: aborting due to 1 previous error +error[E0284]: type annotations needed: cannot satisfy `<for<'a> fn(&'a (), ()) as Overlap<for<'a> fn(&'a (), ())>>::Assoc == usize` + --> $DIR/associated-type.rs:44:59 + | +LL | foo::<for<'a> fn(&'a (), ()), for<'a> fn(&'a (), ())>(3usize); + | ^^^^^^ cannot satisfy `<for<'a> fn(&'a (), ()) as Overlap<for<'a> fn(&'a (), ())>>::Assoc == usize` + +error: aborting due to 2 previous errors -For more information about this error, try `rustc --explain E0119`. +Some errors have detailed explanations: E0119, E0284. +For more information about an error, try `rustc --explain E0119`. diff --git a/tests/ui/coherence/occurs-check/associated-type.rs b/tests/ui/coherence/occurs-check/associated-type.rs index 227b6684785..3df8fe10a83 100644 --- a/tests/ui/coherence/occurs-check/associated-type.rs +++ b/tests/ui/coherence/occurs-check/associated-type.rs @@ -42,4 +42,5 @@ fn foo<T: Overlap<U>, U>(x: T::Assoc) -> T::Assoc { fn main() { foo::<for<'a> fn(&'a (), ()), for<'a> fn(&'a (), ())>(3usize); + //[next]~^ ERROR: cannot satisfy } diff --git a/tests/ui/const-generics/const-argument-if-length.full.stderr b/tests/ui/const-generics/const-argument-if-length.full.stderr index 315b0f0a064..db3d88392bd 100644 --- a/tests/ui/const-generics/const-argument-if-length.full.stderr +++ b/tests/ui/const-generics/const-argument-if-length.full.stderr @@ -1,5 +1,5 @@ error: unconstrained generic constant - --> $DIR/const-argument-if-length.rs:17:10 + --> $DIR/const-argument-if-length.rs:18:10 | LL | pad: [u8; is_zst::<T>()], | ^^^^^^^^^^^^^^^^^^^ @@ -7,7 +7,7 @@ LL | pad: [u8; is_zst::<T>()], = help: try adding a `where` bound using this expression: `where [(); is_zst::<T>()]:` error[E0277]: the size for values of type `T` cannot be known at compilation time - --> $DIR/const-argument-if-length.rs:15:12 + --> $DIR/const-argument-if-length.rs:16:12 | LL | pub struct AtLeastByte<T: ?Sized> { | - this type parameter needs to be `Sized` @@ -30,6 +30,22 @@ help: the `Box` type always has a statically known size and allocates its conten LL | value: Box<T>, | ++++ + -error: aborting due to 2 previous errors +error[E0277]: the size for values of type `T` cannot be known at compilation time + --> $DIR/const-argument-if-length.rs:7:28 + | +LL | pub const fn is_zst<T: ?Sized>() -> usize { + | - this type parameter needs to be `Sized` +LL | if std::mem::size_of::<T>() == 0 { + | ^ doesn't have a size known at compile-time + | +note: required by an implicit `Sized` bound in `std::mem::size_of` + --> $SRC_DIR/core/src/mem/mod.rs:LL:COL +help: consider removing the `?Sized` bound to make the type parameter `Sized` + | +LL - pub const fn is_zst<T: ?Sized>() -> usize { +LL + pub const fn is_zst<T>() -> usize { + | + +error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/const-generics/const-argument-if-length.min.stderr b/tests/ui/const-generics/const-argument-if-length.min.stderr index b9d9bcc9270..fdc3f584476 100644 --- a/tests/ui/const-generics/const-argument-if-length.min.stderr +++ b/tests/ui/const-generics/const-argument-if-length.min.stderr @@ -1,5 +1,5 @@ error: generic parameters may not be used in const operations - --> $DIR/const-argument-if-length.rs:17:24 + --> $DIR/const-argument-if-length.rs:18:24 | LL | pad: [u8; is_zst::<T>()], | ^ cannot perform const operation using `T` @@ -8,7 +8,7 @@ LL | pad: [u8; is_zst::<T>()], = help: add `#![feature(generic_const_exprs)]` to allow generic const expressions error[E0277]: the size for values of type `T` cannot be known at compilation time - --> $DIR/const-argument-if-length.rs:15:12 + --> $DIR/const-argument-if-length.rs:16:12 | LL | pub struct AtLeastByte<T: ?Sized> { | - this type parameter needs to be `Sized` @@ -31,6 +31,22 @@ help: the `Box` type always has a statically known size and allocates its conten LL | value: Box<T>, | ++++ + -error: aborting due to 2 previous errors +error[E0277]: the size for values of type `T` cannot be known at compilation time + --> $DIR/const-argument-if-length.rs:7:28 + | +LL | pub const fn is_zst<T: ?Sized>() -> usize { + | - this type parameter needs to be `Sized` +LL | if std::mem::size_of::<T>() == 0 { + | ^ doesn't have a size known at compile-time + | +note: required by an implicit `Sized` bound in `std::mem::size_of` + --> $SRC_DIR/core/src/mem/mod.rs:LL:COL +help: consider removing the `?Sized` bound to make the type parameter `Sized` + | +LL - pub const fn is_zst<T: ?Sized>() -> usize { +LL + pub const fn is_zst<T>() -> usize { + | + +error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/const-generics/const-argument-if-length.rs b/tests/ui/const-generics/const-argument-if-length.rs index db1eafca2c7..c5ff86fbfb7 100644 --- a/tests/ui/const-generics/const-argument-if-length.rs +++ b/tests/ui/const-generics/const-argument-if-length.rs @@ -5,6 +5,7 @@ pub const fn is_zst<T: ?Sized>() -> usize { if std::mem::size_of::<T>() == 0 { + //~^ ERROR the size for values of type `T` cannot be known at compilation time 1 } else { 0 diff --git a/tests/ui/const-generics/fn-const-param-infer.full.stderr b/tests/ui/const-generics/fn-const-param-infer.full.stderr index 48d4a45345a..753558636e1 100644 --- a/tests/ui/const-generics/fn-const-param-infer.full.stderr +++ b/tests/ui/const-generics/fn-const-param-infer.full.stderr @@ -4,6 +4,27 @@ error[E0741]: using function pointers as const generic parameters is forbidden LL | struct Checked<const F: fn(usize) -> bool>; | ^^^^^^^^^^^^^^^^^ -error: aborting due to 1 previous error +error[E0308]: mismatched types + --> $DIR/fn-const-param-infer.rs:23:24 + | +LL | let _ = Checked::<{generic_arg::<u32>}>; + | ^^^^^^^^^^^^^^^^^^ expected fn pointer, found fn item + | + = note: expected fn pointer `fn(usize) -> _` + found fn item `fn(u32) -> _ {generic_arg::<u32>}` + +error[E0282]: type annotations needed + --> $DIR/fn-const-param-infer.rs:25:23 + | +LL | let _ = Checked::<generic>; + | ^^^^^^^ cannot infer type of the type parameter `T` declared on the function `generic` + | +help: consider specifying the generic argument + | +LL | let _ = Checked::<generic::<T>>; + | +++++ + +error: aborting due to 3 previous errors -For more information about this error, try `rustc --explain E0741`. +Some errors have detailed explanations: E0282, E0308, E0741. +For more information about an error, try `rustc --explain E0282`. diff --git a/tests/ui/const-generics/fn-const-param-infer.min.stderr b/tests/ui/const-generics/fn-const-param-infer.min.stderr index f6d41809d67..01e224f8d9c 100644 --- a/tests/ui/const-generics/fn-const-param-infer.min.stderr +++ b/tests/ui/const-generics/fn-const-param-infer.min.stderr @@ -6,5 +6,27 @@ LL | struct Checked<const F: fn(usize) -> bool>; | = note: the only supported types are integers, `bool` and `char` -error: aborting due to 1 previous error +error[E0308]: mismatched types + --> $DIR/fn-const-param-infer.rs:23:24 + | +LL | let _ = Checked::<{generic_arg::<u32>}>; + | ^^^^^^^^^^^^^^^^^^ expected fn pointer, found fn item + | + = note: expected fn pointer `fn(usize) -> _` + found fn item `fn(u32) -> _ {generic_arg::<u32>}` + +error[E0282]: type annotations needed + --> $DIR/fn-const-param-infer.rs:25:23 + | +LL | let _ = Checked::<generic>; + | ^^^^^^^ cannot infer type of the type parameter `T` declared on the function `generic` + | +help: consider specifying the generic argument + | +LL | let _ = Checked::<generic::<T>>; + | +++++ + +error: aborting due to 3 previous errors +Some errors have detailed explanations: E0282, E0308. +For more information about an error, try `rustc --explain E0282`. diff --git a/tests/ui/const-generics/fn-const-param-infer.rs b/tests/ui/const-generics/fn-const-param-infer.rs index 22f5f529c76..d80e18067e2 100644 --- a/tests/ui/const-generics/fn-const-param-infer.rs +++ b/tests/ui/const-generics/fn-const-param-infer.rs @@ -20,9 +20,9 @@ fn main() { let _ = Checked::<generic_arg>; let _ = Checked::<{generic_arg::<usize>}>; - let _ = Checked::<{generic_arg::<u32>}>; + let _ = Checked::<{generic_arg::<u32>}>; //~ ERROR: mismatched types - let _ = Checked::<generic>; + let _ = Checked::<generic>; //~ ERROR: type annotations needed let _ = Checked::<{generic::<u16>}>; let _: Checked<{generic::<u16>}> = Checked::<{generic::<u16>}>; let _: Checked<{generic::<u32>}> = Checked::<{generic::<u16>}>; diff --git a/tests/ui/const-generics/generic_const_exprs/no_where_clause.rs b/tests/ui/const-generics/generic_const_exprs/no_where_clause.rs index 9c5de03170b..77cce66e4ec 100644 --- a/tests/ui/const-generics/generic_const_exprs/no_where_clause.rs +++ b/tests/ui/const-generics/generic_const_exprs/no_where_clause.rs @@ -16,6 +16,7 @@ impl<const N: usize> Example<N> { Self { a: [0.; N], b: [0.; complex_maths(N)], + //~^ ERROR: unconstrained generic constant } } } diff --git a/tests/ui/const-generics/generic_const_exprs/no_where_clause.stderr b/tests/ui/const-generics/generic_const_exprs/no_where_clause.stderr index 100cf3f8b62..4a87649f43d 100644 --- a/tests/ui/const-generics/generic_const_exprs/no_where_clause.stderr +++ b/tests/ui/const-generics/generic_const_exprs/no_where_clause.stderr @@ -6,5 +6,13 @@ LL | b: [f32; complex_maths(N)], | = help: try adding a `where` bound using this expression: `where [(); complex_maths(N)]:` -error: aborting due to 1 previous error +error: unconstrained generic constant + --> $DIR/no_where_clause.rs:18:15 + | +LL | b: [0.; complex_maths(N)], + | ^^^^^^^^^^^^^^^^ + | + = help: try adding a `where` bound using this expression: `where [(); complex_maths(N)]:` + +error: aborting due to 2 previous errors diff --git a/tests/ui/const-generics/generic_const_exprs/object-safety-err-ret.rs b/tests/ui/const-generics/generic_const_exprs/object-safety-err-ret.rs index 24d333aba0f..1620e257667 100644 --- a/tests/ui/const-generics/generic_const_exprs/object-safety-err-ret.rs +++ b/tests/ui/const-generics/generic_const_exprs/object-safety-err-ret.rs @@ -15,7 +15,7 @@ impl Foo for () { } fn use_dyn(v: &dyn Foo) { //~ERROR the trait `Foo` cannot be made into an object - v.test(); + v.test(); //~ERROR the trait `Foo` cannot be made into an object } fn main() {} diff --git a/tests/ui/const-generics/generic_const_exprs/object-safety-err-ret.stderr b/tests/ui/const-generics/generic_const_exprs/object-safety-err-ret.stderr index 6f0a6b04333..31f271cc7ba 100644 --- a/tests/ui/const-generics/generic_const_exprs/object-safety-err-ret.stderr +++ b/tests/ui/const-generics/generic_const_exprs/object-safety-err-ret.stderr @@ -16,6 +16,24 @@ LL | fn test(&self) -> [u8; bar::<Self>()]; = help: consider moving `test` to another trait = help: only type `()` implements the trait, consider using it directly instead -error: aborting due to 1 previous error +error[E0038]: the trait `Foo` cannot be made into an object + --> $DIR/object-safety-err-ret.rs:18:5 + | +LL | v.test(); + | ^^^^^^^^ `Foo` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + --> $DIR/object-safety-err-ret.rs:8:8 + | +LL | trait Foo { + | --- this trait cannot be made into an object... +LL | fn test(&self) -> [u8; bar::<Self>()]; + | ^^^^ ^^^^^^^^^^^^^^^^^^^ ...because method `test` references the `Self` type in its return type + | | + | ...because method `test` references the `Self` type in its `where` clause + = help: consider moving `test` to another trait + = help: only type `()` implements the trait, consider using it directly instead + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0038`. diff --git a/tests/ui/const-generics/generic_const_exprs/unify-op-with-fn-call.stderr b/tests/ui/const-generics/generic_const_exprs/unify-op-with-fn-call.stderr index eb71ebb62eb..77a7da17c13 100644 --- a/tests/ui/const-generics/generic_const_exprs/unify-op-with-fn-call.stderr +++ b/tests/ui/const-generics/generic_const_exprs/unify-op-with-fn-call.stderr @@ -34,6 +34,47 @@ LL + #[derive(ConstParamTy)] LL | struct Foo(u8); | -error: aborting due to 3 previous errors +error: unconstrained generic constant + --> $DIR/unify-op-with-fn-call.rs:30:12 + | +LL | bar2::<{ std::ops::Add::add(N, N) }>(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: try adding a `where` bound using this expression: `where [(); { std::ops::Add::add(N, N) }]:` + +error[E0015]: cannot call non-const operator in constants + --> $DIR/unify-op-with-fn-call.rs:20:39 + | +LL | fn foo<const N: Foo>(a: Evaluatable<{ N + N }>) { + | ^^^^^ + | +note: impl defined here, but it is not `const` + --> $DIR/unify-op-with-fn-call.rs:10:1 + | +LL | impl const std::ops::Add for Foo { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + = note: calls in constants are limited to constant functions, tuple structs and tuple variants + = help: add `#![feature(effects)]` to the crate attributes to enable + +error[E0015]: cannot call non-const fn `<Foo as Add>::add` in constants + --> $DIR/unify-op-with-fn-call.rs:21:13 + | +LL | bar::<{ std::ops::Add::add(N, N) }>(); + | ^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: calls in constants are limited to constant functions, tuple structs and tuple variants + = help: add `#![feature(effects)]` to the crate attributes to enable + +error[E0015]: cannot call non-const fn `<usize as Add>::add` in constants + --> $DIR/unify-op-with-fn-call.rs:30:14 + | +LL | bar2::<{ std::ops::Add::add(N, N) }>(); + | ^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: calls in constants are limited to constant functions, tuple structs and tuple variants + = help: add `#![feature(effects)]` to the crate attributes to enable + +error: aborting due to 7 previous errors -For more information about this error, try `rustc --explain E0741`. +Some errors have detailed explanations: E0015, E0741. +For more information about an error, try `rustc --explain E0015`. diff --git a/tests/ui/const-generics/issues/issue-62878.min.stderr b/tests/ui/const-generics/issues/issue-62878.min.stderr index eb8b9732f58..984381d1669 100644 --- a/tests/ui/const-generics/issues/issue-62878.min.stderr +++ b/tests/ui/const-generics/issues/issue-62878.min.stderr @@ -15,6 +15,16 @@ LL | fn foo<const N: usize, const A: [u8; N]>() {} = note: the only supported types are integers, `bool` and `char` = help: add `#![feature(adt_const_params)]` to the crate attributes to enable more complex and user defined types -error: aborting due to 2 previous errors +error[E0747]: type provided when a constant was expected + --> $DIR/issue-62878.rs:10:11 + | +LL | foo::<_, { [1] }>(); + | ^ + | + = help: const arguments cannot yet be inferred with `_` + = help: add `#![feature(generic_arg_infer)]` to the crate attributes to enable + +error: aborting due to 3 previous errors -For more information about this error, try `rustc --explain E0770`. +Some errors have detailed explanations: E0747, E0770. +For more information about an error, try `rustc --explain E0747`. diff --git a/tests/ui/const-generics/issues/issue-62878.rs b/tests/ui/const-generics/issues/issue-62878.rs index 4c08a484ef4..d226551ef8a 100644 --- a/tests/ui/const-generics/issues/issue-62878.rs +++ b/tests/ui/const-generics/issues/issue-62878.rs @@ -8,4 +8,5 @@ fn foo<const N: usize, const A: [u8; N]>() {} fn main() { foo::<_, { [1] }>(); + //[min]~^ ERROR: type provided when a constant was expected } diff --git a/tests/ui/const-generics/raw-ptr-const-param.full.stderr b/tests/ui/const-generics/raw-ptr-const-param.full.stderr index aef95bdaa88..7ba9ac15bf3 100644 --- a/tests/ui/const-generics/raw-ptr-const-param.full.stderr +++ b/tests/ui/const-generics/raw-ptr-const-param.full.stderr @@ -4,6 +4,18 @@ error[E0741]: using raw pointers as const generic parameters is forbidden LL | struct Const<const P: *const u32>; | ^^^^^^^^^^ -error: aborting due to 1 previous error +error[E0308]: mismatched types + --> $DIR/raw-ptr-const-param.rs:9:40 + | +LL | let _: Const<{ 15 as *const _ }> = Const::<{ 10 as *const _ }>; + | ------------------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `{0xf as *const u32}`, found `{0xa as *const u32}` + | | + | expected due to this + | + = note: expected struct `Const<{0xf as *const u32}>` + found struct `Const<{0xa as *const u32}>` + +error: aborting due to 2 previous errors -For more information about this error, try `rustc --explain E0741`. +Some errors have detailed explanations: E0308, E0741. +For more information about an error, try `rustc --explain E0308`. diff --git a/tests/ui/const-generics/raw-ptr-const-param.min.stderr b/tests/ui/const-generics/raw-ptr-const-param.min.stderr index 4de98191d5b..18bbcc33c4d 100644 --- a/tests/ui/const-generics/raw-ptr-const-param.min.stderr +++ b/tests/ui/const-generics/raw-ptr-const-param.min.stderr @@ -6,5 +6,17 @@ LL | struct Const<const P: *const u32>; | = note: the only supported types are integers, `bool` and `char` -error: aborting due to 1 previous error +error[E0308]: mismatched types + --> $DIR/raw-ptr-const-param.rs:9:40 + | +LL | let _: Const<{ 15 as *const _ }> = Const::<{ 10 as *const _ }>; + | ------------------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `{0xf as *const u32}`, found `{0xa as *const u32}` + | | + | expected due to this + | + = note: expected struct `Const<{0xf as *const u32}>` + found struct `Const<{0xa as *const u32}>` + +error: aborting due to 2 previous errors +For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/const-generics/raw-ptr-const-param.rs b/tests/ui/const-generics/raw-ptr-const-param.rs index 27ef9e7d96c..9cc46c769e7 100644 --- a/tests/ui/const-generics/raw-ptr-const-param.rs +++ b/tests/ui/const-generics/raw-ptr-const-param.rs @@ -7,5 +7,6 @@ struct Const<const P: *const u32>; //~ ERROR: using raw pointers as const generi fn main() { let _: Const<{ 15 as *const _ }> = Const::<{ 10 as *const _ }>; + //~^ ERROR: mismatched types let _: Const<{ 10 as *const _ }> = Const::<{ 10 as *const _ }>; } diff --git a/tests/ui/const-generics/slice-const-param-mismatch.min.stderr b/tests/ui/const-generics/slice-const-param-mismatch.min.stderr index 3c086f59b27..26f5af6c831 100644 --- a/tests/ui/const-generics/slice-const-param-mismatch.min.stderr +++ b/tests/ui/const-generics/slice-const-param-mismatch.min.stderr @@ -16,5 +16,39 @@ LL | struct ConstBytes<const T: &'static [u8]>; = note: the only supported types are integers, `bool` and `char` = help: add `#![feature(adt_const_params)]` to the crate attributes to enable more complex and user defined types -error: aborting due to 2 previous errors +error[E0308]: mismatched types + --> $DIR/slice-const-param-mismatch.rs:14:35 + | +LL | let _: ConstString<"Hello"> = ConstString::<"World">; + | -------------------- ^^^^^^^^^^^^^^^^^^^^^^ expected `"Hello"`, found `"World"` + | | + | expected due to this + | + = note: expected struct `ConstString<"Hello">` + found struct `ConstString<"World">` + +error[E0308]: mismatched types + --> $DIR/slice-const-param-mismatch.rs:16:33 + | +LL | let _: ConstString<"ℇ㇈↦"> = ConstString::<"ℇ㇈↥">; + | ------------------- ^^^^^^^^^^^^^^^^^^^^^ expected `"ℇ㇈↦"`, found `"ℇ㇈↥"` + | | + | expected due to this + | + = note: expected struct `ConstString<"ℇ㇈↦">` + found struct `ConstString<"ℇ㇈↥">` + +error[E0308]: mismatched types + --> $DIR/slice-const-param-mismatch.rs:18:33 + | +LL | let _: ConstBytes<b"AAA"> = ConstBytes::<b"BBB">; + | ------------------ ^^^^^^^^^^^^^^^^^^^^ expected `b"AAA"`, found `b"BBB"` + | | + | expected due to this + | + = note: expected struct `ConstBytes<b"AAA">` + found struct `ConstBytes<b"BBB">` + +error: aborting due to 5 previous errors +For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/const-generics/slice-const-param-mismatch.rs b/tests/ui/const-generics/slice-const-param-mismatch.rs index 7127323e5ba..24c05d7bea5 100644 --- a/tests/ui/const-generics/slice-const-param-mismatch.rs +++ b/tests/ui/const-generics/slice-const-param-mismatch.rs @@ -11,9 +11,9 @@ struct ConstBytes<const T: &'static [u8]>; pub fn main() { let _: ConstString<"Hello"> = ConstString::<"Hello">; - let _: ConstString<"Hello"> = ConstString::<"World">; //[full]~ ERROR mismatched types + let _: ConstString<"Hello"> = ConstString::<"World">; //~ ERROR mismatched types let _: ConstString<"ℇ㇈↦"> = ConstString::<"ℇ㇈↦">; - let _: ConstString<"ℇ㇈↦"> = ConstString::<"ℇ㇈↥">; //[full]~ ERROR mismatched types + let _: ConstString<"ℇ㇈↦"> = ConstString::<"ℇ㇈↥">; //~ ERROR mismatched types let _: ConstBytes<b"AAA"> = ConstBytes::<{&[0x41, 0x41, 0x41]}>; - let _: ConstBytes<b"AAA"> = ConstBytes::<b"BBB">; //[full]~ ERROR mismatched types + let _: ConstBytes<b"AAA"> = ConstBytes::<b"BBB">; //~ ERROR mismatched types } diff --git a/tests/ui/consts/const-unsized.rs b/tests/ui/consts/const-unsized.rs index e0b06a27109..18682aa6eb6 100644 --- a/tests/ui/consts/const-unsized.rs +++ b/tests/ui/consts/const-unsized.rs @@ -18,4 +18,6 @@ static STATIC_BAR: str = *"bar"; fn main() { println!("{:?} {:?} {:?} {:?}", &CONST_0, &CONST_FOO, &STATIC_1, &STATIC_BAR); + //~^ ERROR: cannot move a value of type `str` + //~| ERROR: cannot move a value of type `dyn Debug + Sync` } diff --git a/tests/ui/consts/const-unsized.stderr b/tests/ui/consts/const-unsized.stderr index f70c9b2e077..0b69cad9651 100644 --- a/tests/ui/consts/const-unsized.stderr +++ b/tests/ui/consts/const-unsized.stderr @@ -66,6 +66,19 @@ LL | static STATIC_BAR: str = *"bar"; = help: the trait `Sized` is not implemented for `str` = note: constant expressions must have a statically known size -error: aborting due to 8 previous errors +error[E0161]: cannot move a value of type `str` + --> $DIR/const-unsized.rs:20:48 + | +LL | println!("{:?} {:?} {:?} {:?}", &CONST_0, &CONST_FOO, &STATIC_1, &STATIC_BAR); + | ^^^^^^^^^ the size of `str` cannot be statically determined + +error[E0161]: cannot move a value of type `dyn Debug + Sync` + --> $DIR/const-unsized.rs:20:38 + | +LL | println!("{:?} {:?} {:?} {:?}", &CONST_0, &CONST_FOO, &STATIC_1, &STATIC_BAR); + | ^^^^^^^ the size of `dyn Debug + Sync` cannot be statically determined + +error: aborting due to 10 previous errors -For more information about this error, try `rustc --explain E0277`. +Some errors have detailed explanations: E0161, E0277. +For more information about an error, try `rustc --explain E0161`. diff --git a/tests/ui/cross/cross-fn-cache-hole.rs b/tests/ui/cross/cross-fn-cache-hole.rs index c38a5001ac8..4aa08ea2e17 100644 --- a/tests/ui/cross/cross-fn-cache-hole.rs +++ b/tests/ui/cross/cross-fn-cache-hole.rs @@ -28,4 +28,5 @@ fn require<A,B>() fn main() { require::<i32, u32>(); + //~^ ERROR `i32: Bar<u32>` is not satisfied } diff --git a/tests/ui/cross/cross-fn-cache-hole.stderr b/tests/ui/cross/cross-fn-cache-hole.stderr index ae944387f57..dec2f2553c2 100644 --- a/tests/ui/cross/cross-fn-cache-hole.stderr +++ b/tests/ui/cross/cross-fn-cache-hole.stderr @@ -12,6 +12,25 @@ LL | trait Bar<X> { } = help: see issue #48214 = help: add `#![feature(trivial_bounds)]` to the crate attributes to enable -error: aborting due to 1 previous error +error[E0277]: the trait bound `i32: Bar<u32>` is not satisfied + --> $DIR/cross-fn-cache-hole.rs:30:15 + | +LL | require::<i32, u32>(); + | ^^^ the trait `Bar<u32>` is not implemented for `i32` + | +help: this trait has no implementations, consider adding one + --> $DIR/cross-fn-cache-hole.rs:11:1 + | +LL | trait Bar<X> { } + | ^^^^^^^^^^^^ +note: required by a bound in `require` + --> $DIR/cross-fn-cache-hole.rs:25:14 + | +LL | fn require<A,B>() + | ------- required by a bound in this function +LL | where A: Bar<B> + | ^^^^^^ required by this bound in `require` + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/error-codes/E0038.rs b/tests/ui/error-codes/E0038.rs index 9757e2ab10c..a467767c3fa 100644 --- a/tests/ui/error-codes/E0038.rs +++ b/tests/ui/error-codes/E0038.rs @@ -5,6 +5,8 @@ trait Trait { fn call_foo(x: Box<dyn Trait>) { //~^ ERROR E0038 let y = x.foo(); + //~^ ERROR E0038 + //~| ERROR E0277 } fn main() { diff --git a/tests/ui/error-codes/E0038.stderr b/tests/ui/error-codes/E0038.stderr index 99130396e02..6e8eaab8ddf 100644 --- a/tests/ui/error-codes/E0038.stderr +++ b/tests/ui/error-codes/E0038.stderr @@ -13,6 +13,32 @@ LL | fn foo(&self) -> Self; | ^^^^ ...because method `foo` references the `Self` type in its return type = help: consider moving `foo` to another trait -error: aborting due to 1 previous error +error[E0038]: the trait `Trait` cannot be made into an object + --> $DIR/E0038.rs:7:13 + | +LL | let y = x.foo(); + | ^^^^^^^ `Trait` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + --> $DIR/E0038.rs:2:22 + | +LL | trait Trait { + | ----- this trait cannot be made into an object... +LL | fn foo(&self) -> Self; + | ^^^^ ...because method `foo` references the `Self` type in its return type + = help: consider moving `foo` to another trait + +error[E0277]: the size for values of type `dyn Trait` cannot be known at compilation time + --> $DIR/E0038.rs:7:9 + | +LL | let y = x.foo(); + | ^ doesn't have a size known at compile-time + | + = help: the trait `Sized` is not implemented for `dyn Trait` + = note: all local variables must have a statically known size + = help: unsized locals are gated as an unstable feature + +error: aborting due to 3 previous errors -For more information about this error, try `rustc --explain E0038`. +Some errors have detailed explanations: E0038, E0277. +For more information about an error, try `rustc --explain E0038`. diff --git a/tests/ui/error-codes/E0059.rs b/tests/ui/error-codes/E0059.rs index f775089bfb9..a04cc0cb2b9 100644 --- a/tests/ui/error-codes/E0059.rs +++ b/tests/ui/error-codes/E0059.rs @@ -1,6 +1,8 @@ #![feature(unboxed_closures)] fn foo<F: Fn<i32>>(f: F) -> F::Output { f(3) } //~ ERROR E0059 +//~^ ERROR `i32` is not a tuple +//~| ERROR cannot use call notation fn main() { } diff --git a/tests/ui/error-codes/E0059.stderr b/tests/ui/error-codes/E0059.stderr index a7591d2b04b..d26fadcdbfa 100644 --- a/tests/ui/error-codes/E0059.stderr +++ b/tests/ui/error-codes/E0059.stderr @@ -7,6 +7,19 @@ LL | fn foo<F: Fn<i32>>(f: F) -> F::Output { f(3) } note: required by a bound in `Fn` --> $SRC_DIR/core/src/ops/function.rs:LL:COL -error: aborting due to 1 previous error +error[E0277]: `i32` is not a tuple + --> $DIR/E0059.rs:3:41 + | +LL | fn foo<F: Fn<i32>>(f: F) -> F::Output { f(3) } + | ^^^^ the trait `Tuple` is not implemented for `i32` + +error[E0059]: cannot use call notation; the first type parameter for the function trait is neither a tuple nor unit + --> $DIR/E0059.rs:3:41 + | +LL | fn foo<F: Fn<i32>>(f: F) -> F::Output { f(3) } + | ^^^^ + +error: aborting due to 3 previous errors -For more information about this error, try `rustc --explain E0059`. +Some errors have detailed explanations: E0059, E0277. +For more information about an error, try `rustc --explain E0059`. diff --git a/tests/ui/error-codes/E0229.rs b/tests/ui/error-codes/E0229.rs index b7cdb1737b0..558baae37f7 100644 --- a/tests/ui/error-codes/E0229.rs +++ b/tests/ui/error-codes/E0229.rs @@ -15,6 +15,7 @@ fn baz<I>(x: &<I as Foo<A=Bar>>::A) {} //~| ERROR associated type bindings are not allowed here [E0229] //~| ERROR associated type bindings are not allowed here [E0229] //~| ERROR the trait bound `I: Foo` is not satisfied +//~| ERROR the trait bound `I: Foo` is not satisfied fn main() { } diff --git a/tests/ui/error-codes/E0229.stderr b/tests/ui/error-codes/E0229.stderr index a7a2904bb89..bd8e1955ac6 100644 --- a/tests/ui/error-codes/E0229.stderr +++ b/tests/ui/error-codes/E0229.stderr @@ -31,7 +31,18 @@ help: consider restricting type parameter `I` LL | fn baz<I: Foo>(x: &<I as Foo<A=Bar>>::A) {} | +++++ -error: aborting due to 4 previous errors +error[E0277]: the trait bound `I: Foo` is not satisfied + --> $DIR/E0229.rs:13:37 + | +LL | fn baz<I>(x: &<I as Foo<A=Bar>>::A) {} + | ^^ the trait `Foo` is not implemented for `I` + | +help: consider restricting type parameter `I` + | +LL | fn baz<I: Foo>(x: &<I as Foo<A=Bar>>::A) {} + | +++++ + +error: aborting due to 5 previous errors Some errors have detailed explanations: E0229, E0277. For more information about an error, try `rustc --explain E0229`. diff --git a/tests/ui/extern/issue-36122-accessing-externed-dst.rs b/tests/ui/extern/issue-36122-accessing-externed-dst.rs index 5f886ff5737..9fb7780e3d7 100644 --- a/tests/ui/extern/issue-36122-accessing-externed-dst.rs +++ b/tests/ui/extern/issue-36122-accessing-externed-dst.rs @@ -3,4 +3,5 @@ fn main() { static symbol: [usize]; //~ ERROR: the size for values of type } println!("{}", symbol[0]); + //~^ ERROR: extern static is unsafe } diff --git a/tests/ui/extern/issue-36122-accessing-externed-dst.stderr b/tests/ui/extern/issue-36122-accessing-externed-dst.stderr index 25348b64002..64178e6f843 100644 --- a/tests/ui/extern/issue-36122-accessing-externed-dst.stderr +++ b/tests/ui/extern/issue-36122-accessing-externed-dst.stderr @@ -6,6 +6,15 @@ LL | static symbol: [usize]; | = help: the trait `Sized` is not implemented for `[usize]` -error: aborting due to 1 previous error +error[E0133]: use of extern static is unsafe and requires unsafe function or block + --> $DIR/issue-36122-accessing-externed-dst.rs:5:20 + | +LL | println!("{}", symbol[0]); + | ^^^^^^ use of extern static + | + = note: extern statics are not controlled by the Rust type system: invalid data, aliasing violations or data races will cause undefined behavior + +error: aborting due to 2 previous errors -For more information about this error, try `rustc --explain E0277`. +Some errors have detailed explanations: E0133, E0277. +For more information about an error, try `rustc --explain E0133`. diff --git a/tests/ui/fn/implied-bounds-unnorm-associated-type-5.rs b/tests/ui/fn/implied-bounds-unnorm-associated-type-5.rs index 2a9a6a8cc6c..a7489f6fbaf 100644 --- a/tests/ui/fn/implied-bounds-unnorm-associated-type-5.rs +++ b/tests/ui/fn/implied-bounds-unnorm-associated-type-5.rs @@ -18,6 +18,6 @@ where fn main() { let x = String::from("Hello World!"); let y = f(&x, ()); - drop(x); + drop(x); //~ ERROR cannot move out of `x` println!("{}", y); } diff --git a/tests/ui/fn/implied-bounds-unnorm-associated-type-5.stderr b/tests/ui/fn/implied-bounds-unnorm-associated-type-5.stderr index 4662eb32abb..bf6d77b6269 100644 --- a/tests/ui/fn/implied-bounds-unnorm-associated-type-5.stderr +++ b/tests/ui/fn/implied-bounds-unnorm-associated-type-5.stderr @@ -16,6 +16,19 @@ help: consider adding an explicit lifetime bound LL | impl<'a, T: 'a> Trait<'a> for T { | ++++ -error: aborting due to 1 previous error +error[E0505]: cannot move out of `x` because it is borrowed + --> $DIR/implied-bounds-unnorm-associated-type-5.rs:21:10 + | +LL | let x = String::from("Hello World!"); + | - binding `x` declared here +LL | let y = f(&x, ()); + | -- borrow of `x` occurs here +LL | drop(x); + | ^ move out of `x` occurs here +LL | println!("{}", y); + | - borrow later used here + +error: aborting due to 2 previous errors -For more information about this error, try `rustc --explain E0309`. +Some errors have detailed explanations: E0309, E0505. +For more information about an error, try `rustc --explain E0309`. diff --git a/tests/ui/generic-associated-types/gat-in-trait-path.base.stderr b/tests/ui/generic-associated-types/gat-in-trait-path.base.stderr index e05c83ebc76..4205c5c5ef7 100644 --- a/tests/ui/generic-associated-types/gat-in-trait-path.base.stderr +++ b/tests/ui/generic-associated-types/gat-in-trait-path.base.stderr @@ -16,6 +16,43 @@ LL | type A<'a> where Self: 'a; Fooer<T> Fooy -error: aborting due to 1 previous error +error[E0038]: the trait `Foo` cannot be made into an object + --> $DIR/gat-in-trait-path.rs:32:5 + | +LL | f(Box::new(foo)); + | ^^^^^^^^^^^^^ `Foo` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + --> $DIR/gat-in-trait-path.rs:10:10 + | +LL | trait Foo { + | --- this trait cannot be made into an object... +LL | type A<'a> where Self: 'a; + | ^ ...because it contains the generic associated type `A` + = help: consider moving `A` to another trait + = help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `Foo` for this new enum and using it instead: + Fooer<T> + Fooy + +error[E0038]: the trait `Foo` cannot be made into an object + --> $DIR/gat-in-trait-path.rs:32:5 + | +LL | f(Box::new(foo)); + | ^^^^^^^^^^^^^ `Foo` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + --> $DIR/gat-in-trait-path.rs:10:10 + | +LL | trait Foo { + | --- this trait cannot be made into an object... +LL | type A<'a> where Self: 'a; + | ^ ...because it contains the generic associated type `A` + = help: consider moving `A` to another trait + = help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `Foo` for this new enum and using it instead: + Fooer<T> + Fooy + = note: required for the cast from `Box<Fooer<{integer}>>` to `Box<(dyn Foo<A = &'a ()> + 'static)>` + +error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0038`. diff --git a/tests/ui/generic-associated-types/gat-in-trait-path.rs b/tests/ui/generic-associated-types/gat-in-trait-path.rs index c55f5a726bd..c1ce7d69f10 100644 --- a/tests/ui/generic-associated-types/gat-in-trait-path.rs +++ b/tests/ui/generic-associated-types/gat-in-trait-path.rs @@ -30,4 +30,6 @@ fn f(_arg : Box<dyn for<'a> Foo<A<'a> = &'a ()>>) {} fn main() { let foo = Fooer(5); f(Box::new(foo)); + //[base]~^ the trait `Foo` cannot be made into an object + //[base]~| the trait `Foo` cannot be made into an object } diff --git a/tests/ui/generic-associated-types/gat-trait-path-missing-lifetime.rs b/tests/ui/generic-associated-types/gat-trait-path-missing-lifetime.rs index 285493132b6..671d17f36f1 100644 --- a/tests/ui/generic-associated-types/gat-trait-path-missing-lifetime.rs +++ b/tests/ui/generic-associated-types/gat-trait-path-missing-lifetime.rs @@ -9,6 +9,7 @@ impl<T> X for T { //~ ERROR: not all trait items implemented //~^ ERROR missing generics for associated type //~^^ ERROR missing generics for associated type //~| ERROR method `foo` has 1 type parameter but its trait declaration has 0 type parameters + //~| ERROR may not live long enough t } } diff --git a/tests/ui/generic-associated-types/gat-trait-path-missing-lifetime.stderr b/tests/ui/generic-associated-types/gat-trait-path-missing-lifetime.stderr index 74ce93a613c..8589d008a6b 100644 --- a/tests/ui/generic-associated-types/gat-trait-path-missing-lifetime.stderr +++ b/tests/ui/generic-associated-types/gat-trait-path-missing-lifetime.stderr @@ -51,7 +51,16 @@ LL | type Y<'a>; LL | impl<T> X for T { | ^^^^^^^^^^^^^^^ missing `Y` in implementation -error: aborting due to 4 previous errors +error: lifetime may not live long enough + --> $DIR/gat-trait-path-missing-lifetime.rs:8:3 + | +LL | fn foo<'a, T1: X<Y = T1>>(t : T1) -> T1::Y<'a> { + | ^^^^^^^--^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | | | + | | lifetime `'a` defined here + | requires that `'a` must outlive `'static` + +error: aborting due to 5 previous errors Some errors have detailed explanations: E0046, E0049, E0107. For more information about an error, try `rustc --explain E0046`. diff --git a/tests/ui/generic-associated-types/trait-objects.base.stderr b/tests/ui/generic-associated-types/trait-objects.base.stderr index e3cfd46524e..2b5060289ab 100644 --- a/tests/ui/generic-associated-types/trait-objects.base.stderr +++ b/tests/ui/generic-associated-types/trait-objects.base.stderr @@ -13,6 +13,36 @@ LL | type Item<'a> where Self: 'a; | ^^^^ ...because it contains the generic associated type `Item` = help: consider moving `Item` to another trait -error: aborting due to 1 previous error +error[E0038]: the trait `StreamingIterator` cannot be made into an object + --> $DIR/trait-objects.rs:15:7 + | +LL | x.size_hint().0 + | ^^^^^^^^^ `StreamingIterator` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + --> $DIR/trait-objects.rs:7:10 + | +LL | trait StreamingIterator { + | ----------------- this trait cannot be made into an object... +LL | type Item<'a> where Self: 'a; + | ^^^^ ...because it contains the generic associated type `Item` + = help: consider moving `Item` to another trait + +error[E0038]: the trait `StreamingIterator` cannot be made into an object + --> $DIR/trait-objects.rs:15:5 + | +LL | x.size_hint().0 + | ^^^^^^^^^^^^^ `StreamingIterator` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + --> $DIR/trait-objects.rs:7:10 + | +LL | trait StreamingIterator { + | ----------------- this trait cannot be made into an object... +LL | type Item<'a> where Self: 'a; + | ^^^^ ...because it contains the generic associated type `Item` + = help: consider moving `Item` to another trait + +error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0038`. diff --git a/tests/ui/generic-associated-types/trait-objects.rs b/tests/ui/generic-associated-types/trait-objects.rs index 17fed11bac3..674bee919bf 100644 --- a/tests/ui/generic-associated-types/trait-objects.rs +++ b/tests/ui/generic-associated-types/trait-objects.rs @@ -14,6 +14,8 @@ fn min_size(x: &mut dyn for<'a> StreamingIterator<Item<'a> = &'a i32>) -> usize //[base]~^ the trait `StreamingIterator` cannot be made into an object x.size_hint().0 //[extended]~^ borrowed data escapes + //[base]~^^ the trait `StreamingIterator` cannot be made into an object + //[base]~| the trait `StreamingIterator` cannot be made into an object } fn main() {} diff --git a/tests/ui/impl-trait/object-unsafe-trait-in-return-position-dyn-trait.rs b/tests/ui/impl-trait/object-unsafe-trait-in-return-position-dyn-trait.rs index ab3086c78b3..068f7d3eea6 100644 --- a/tests/ui/impl-trait/object-unsafe-trait-in-return-position-dyn-trait.rs +++ b/tests/ui/impl-trait/object-unsafe-trait-in-return-position-dyn-trait.rs @@ -19,6 +19,7 @@ impl NotObjectSafe for B { } fn car() -> dyn NotObjectSafe { //~ ERROR the trait `NotObjectSafe` cannot be made into an object +//~^ ERROR return type cannot have an unboxed trait object if true { return A; } @@ -27,9 +28,9 @@ fn car() -> dyn NotObjectSafe { //~ ERROR the trait `NotObjectSafe` cannot be ma fn cat() -> Box<dyn NotObjectSafe> { //~ ERROR the trait `NotObjectSafe` cannot be made into an if true { - return Box::new(A); + return Box::new(A); //~ ERROR cannot be made into an object } - Box::new(B) + Box::new(B) //~ ERROR cannot be made into an object } fn main() {} diff --git a/tests/ui/impl-trait/object-unsafe-trait-in-return-position-dyn-trait.stderr b/tests/ui/impl-trait/object-unsafe-trait-in-return-position-dyn-trait.stderr index 37c96d9bc4e..fc9c30abf13 100644 --- a/tests/ui/impl-trait/object-unsafe-trait-in-return-position-dyn-trait.stderr +++ b/tests/ui/impl-trait/object-unsafe-trait-in-return-position-dyn-trait.stderr @@ -24,7 +24,7 @@ LL | fn foo() -> Self where Self: Sized; | +++++++++++++++++ error[E0038]: the trait `NotObjectSafe` cannot be made into an object - --> $DIR/object-unsafe-trait-in-return-position-dyn-trait.rs:28:17 + --> $DIR/object-unsafe-trait-in-return-position-dyn-trait.rs:29:17 | LL | fn cat() -> Box<dyn NotObjectSafe> { | ^^^^^^^^^^^^^^^^^ `NotObjectSafe` cannot be made into an object @@ -48,6 +48,79 @@ help: alternatively, consider constraining `foo` so it does not apply to trait o LL | fn foo() -> Self where Self: Sized; | +++++++++++++++++ -error: aborting due to 2 previous errors +error[E0746]: return type cannot have an unboxed trait object + --> $DIR/object-unsafe-trait-in-return-position-dyn-trait.rs:21:13 + | +LL | fn car() -> dyn NotObjectSafe { + | ^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time + | +help: return an `impl Trait` instead of a `dyn Trait`, if all returned values are the same type + | +LL | fn car() -> impl NotObjectSafe { + | ~~~~ +help: box the return type, and wrap all of the returned values in `Box::new` + | +LL ~ fn car() -> Box<dyn NotObjectSafe> { +LL | +LL | if true { +LL ~ return Box::new(A); +LL | } +LL ~ Box::new(B) + | + +error[E0038]: the trait `NotObjectSafe` cannot be made into an object + --> $DIR/object-unsafe-trait-in-return-position-dyn-trait.rs:31:16 + | +LL | return Box::new(A); + | ^^^^^^^^^^^ `NotObjectSafe` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + --> $DIR/object-unsafe-trait-in-return-position-dyn-trait.rs:3:8 + | +LL | trait NotObjectSafe { + | ------------- this trait cannot be made into an object... +LL | fn foo() -> Self; + | ^^^ ...because associated function `foo` has no `self` parameter + = help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `NotObjectSafe` for this new enum and using it instead: + A + B + = note: required for the cast from `Box<A>` to `Box<(dyn NotObjectSafe + 'static)>` +help: consider turning `foo` into a method by giving it a `&self` argument + | +LL | fn foo(&self) -> Self; + | +++++ +help: alternatively, consider constraining `foo` so it does not apply to trait objects + | +LL | fn foo() -> Self where Self: Sized; + | +++++++++++++++++ + +error[E0038]: the trait `NotObjectSafe` cannot be made into an object + --> $DIR/object-unsafe-trait-in-return-position-dyn-trait.rs:33:5 + | +LL | Box::new(B) + | ^^^^^^^^^^^ `NotObjectSafe` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + --> $DIR/object-unsafe-trait-in-return-position-dyn-trait.rs:3:8 + | +LL | trait NotObjectSafe { + | ------------- this trait cannot be made into an object... +LL | fn foo() -> Self; + | ^^^ ...because associated function `foo` has no `self` parameter + = help: the following types implement the trait, consider defining an enum where each variant holds one of these types, implementing `NotObjectSafe` for this new enum and using it instead: + A + B + = note: required for the cast from `Box<B>` to `Box<(dyn NotObjectSafe + 'static)>` +help: consider turning `foo` into a method by giving it a `&self` argument + | +LL | fn foo(&self) -> Self; + | +++++ +help: alternatively, consider constraining `foo` so it does not apply to trait objects + | +LL | fn foo() -> Self where Self: Sized; + | +++++++++++++++++ + +error: aborting due to 5 previous errors -For more information about this error, try `rustc --explain E0038`. +Some errors have detailed explanations: E0038, E0746. +For more information about an error, try `rustc --explain E0038`. diff --git a/tests/ui/implied-bounds/hrlt-implied-trait-bounds-guard.rs b/tests/ui/implied-bounds/hrlt-implied-trait-bounds-guard.rs index 27c8f30ec32..eba4ecd3a28 100644 --- a/tests/ui/implied-bounds/hrlt-implied-trait-bounds-guard.rs +++ b/tests/ui/implied-bounds/hrlt-implied-trait-bounds-guard.rs @@ -29,16 +29,19 @@ impl<'long: 'short, 'short, T> Convert<'long, 'short> for T { fn badboi<'in_, 'out, T>(x: Foo<'in_, 'out, T>, sadness: &'in_ T) -> &'out T { //~^ ERROR lifetime mismatch sadness.cast() + //~^ ERROR may not live long enough } fn badboi2<'in_, 'out, T>(x: Foo<'in_, 'out, T>, sadness: &'in_ T) { //~^ ERROR lifetime mismatch let _: &'out T = sadness.cast(); + //~^ ERROR may not live long enough } fn badboi3<'in_, 'out, T>(a: Foo<'in_, 'out, (&'in_ T, &'out T)>, sadness: &'in_ T) { //~^ ERROR lifetime mismatch let _: &'out T = sadness.cast(); + //~^ ERROR may not live long enough } fn bad<'short, T>(value: &'short T) -> &'static T { diff --git a/tests/ui/implied-bounds/hrlt-implied-trait-bounds-guard.stderr b/tests/ui/implied-bounds/hrlt-implied-trait-bounds-guard.stderr index 0c00bbc380e..c9dc820fd60 100644 --- a/tests/ui/implied-bounds/hrlt-implied-trait-bounds-guard.stderr +++ b/tests/ui/implied-bounds/hrlt-implied-trait-bounds-guard.stderr @@ -8,7 +8,7 @@ LL | fn badboi<'in_, 'out, T>(x: Foo<'in_, 'out, T>, sadness: &'in_ T) -> &'out | ...but data from `x` is returned here error[E0623]: lifetime mismatch - --> $DIR/hrlt-implied-trait-bounds-guard.rs:34:30 + --> $DIR/hrlt-implied-trait-bounds-guard.rs:35:30 | LL | fn badboi2<'in_, 'out, T>(x: Foo<'in_, 'out, T>, sadness: &'in_ T) { | ^^^^^^^^^^^^^^^^^^ @@ -17,7 +17,7 @@ LL | fn badboi2<'in_, 'out, T>(x: Foo<'in_, 'out, T>, sadness: &'in_ T) { | ...but data with one lifetime flows into the other here error[E0623]: lifetime mismatch - --> $DIR/hrlt-implied-trait-bounds-guard.rs:39:30 + --> $DIR/hrlt-implied-trait-bounds-guard.rs:41:30 | LL | fn badboi3<'in_, 'out, T>(a: Foo<'in_, 'out, (&'in_ T, &'out T)>, sadness: &'in_ T) { | ^^^^^^^^^^^^^^^^^-------^^-------^^ @@ -25,6 +25,45 @@ LL | fn badboi3<'in_, 'out, T>(a: Foo<'in_, 'out, (&'in_ T, &'out T)>, sadness: | | these two types are declared with different lifetimes... | ...but data from `a` flows into `a` here -error: aborting due to 3 previous errors +error: lifetime may not live long enough + --> $DIR/hrlt-implied-trait-bounds-guard.rs:31:5 + | +LL | fn badboi<'in_, 'out, T>(x: Foo<'in_, 'out, T>, sadness: &'in_ T) -> &'out T { + | ---- ---- lifetime `'out` defined here + | | + | lifetime `'in_` defined here +LL | +LL | sadness.cast() + | ^^^^^^^^^^^^^^ function was supposed to return data with lifetime `'out` but it is returning data with lifetime `'in_` + | + = help: consider adding the following bound: `'in_: 'out` + +error: lifetime may not live long enough + --> $DIR/hrlt-implied-trait-bounds-guard.rs:37:12 + | +LL | fn badboi2<'in_, 'out, T>(x: Foo<'in_, 'out, T>, sadness: &'in_ T) { + | ---- ---- lifetime `'out` defined here + | | + | lifetime `'in_` defined here +LL | +LL | let _: &'out T = sadness.cast(); + | ^^^^^^^ type annotation requires that `'in_` must outlive `'out` + | + = help: consider adding the following bound: `'in_: 'out` + +error: lifetime may not live long enough + --> $DIR/hrlt-implied-trait-bounds-guard.rs:43:12 + | +LL | fn badboi3<'in_, 'out, T>(a: Foo<'in_, 'out, (&'in_ T, &'out T)>, sadness: &'in_ T) { + | ---- ---- lifetime `'out` defined here + | | + | lifetime `'in_` defined here +LL | +LL | let _: &'out T = sadness.cast(); + | ^^^^^^^ type annotation requires that `'in_` must outlive `'out` + | + = help: consider adding the following bound: `'in_: 'out` + +error: aborting due to 6 previous errors For more information about this error, try `rustc --explain E0623`. diff --git a/tests/ui/inference/issue-107090.rs b/tests/ui/inference/issue-107090.rs index 799c3641833..d1c86fb03d7 100644 --- a/tests/ui/inference/issue-107090.rs +++ b/tests/ui/inference/issue-107090.rs @@ -19,7 +19,7 @@ impl<'long: 'short, 'short, T> Convert<'long, 'b> for Foo<'short, 'out, T> { fn badboi<'in_, 'out, T>(x: Foo<'in_, 'out, T>, sadness: &'in_ Foo<'short, 'out, T>) -> &'out T { //~^ ERROR use of undeclared lifetime name - sadness.cast() + sadness.cast() //~ ERROR: mismatched types } fn main() {} diff --git a/tests/ui/inference/issue-107090.stderr b/tests/ui/inference/issue-107090.stderr index e509e262fb1..55825f7765b 100644 --- a/tests/ui/inference/issue-107090.stderr +++ b/tests/ui/inference/issue-107090.stderr @@ -66,6 +66,19 @@ LL | fn badboi<'in_, 'out, T>(x: Foo<'in_, 'out, T>, sadness: &'in_ Foo<'short, | | | help: consider introducing lifetime `'short` here: `'short,` -error: aborting due to 6 previous errors +error[E0308]: mismatched types + --> $DIR/issue-107090.rs:22:5 + | +LL | fn badboi<'in_, 'out, T>(x: Foo<'in_, 'out, T>, sadness: &'in_ Foo<'short, 'out, T>) -> &'out T { + | - expected this type parameter ------- expected `&'out T` because of return type +LL | +LL | sadness.cast() + | ^^^^^^^^^^^^^^ expected `&T`, found `&Foo<'_, '_, T>` + | + = note: expected reference `&'out T` + found reference `&Foo<'_, '_, T>` + +error: aborting due to 7 previous errors -For more information about this error, try `rustc --explain E0261`. +Some errors have detailed explanations: E0261, E0308. +For more information about an error, try `rustc --explain E0261`. diff --git a/tests/ui/issues/issue-18611.rs b/tests/ui/issues/issue-18611.rs index 91a765f34ef..57da57d8353 100644 --- a/tests/ui/issues/issue-18611.rs +++ b/tests/ui/issues/issue-18611.rs @@ -1,5 +1,6 @@ fn add_state(op: <isize as HasState>::State) { //~^ ERROR `isize: HasState` is not satisfied +//~| ERROR `isize: HasState` is not satisfied } trait HasState { diff --git a/tests/ui/issues/issue-18611.stderr b/tests/ui/issues/issue-18611.stderr index ab2374586e4..76848201f73 100644 --- a/tests/ui/issues/issue-18611.stderr +++ b/tests/ui/issues/issue-18611.stderr @@ -5,11 +5,27 @@ LL | fn add_state(op: <isize as HasState>::State) { | ^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `HasState` is not implemented for `isize` | help: this trait has no implementations, consider adding one - --> $DIR/issue-18611.rs:5:1 + --> $DIR/issue-18611.rs:6:1 | LL | trait HasState { | ^^^^^^^^^^^^^^ -error: aborting due to 1 previous error +error[E0277]: the trait bound `isize: HasState` is not satisfied + --> $DIR/issue-18611.rs:1:46 + | +LL | fn add_state(op: <isize as HasState>::State) { + | ______________________________________________^ +LL | | +LL | | +LL | | } + | |_^ the trait `HasState` is not implemented for `isize` + | +help: this trait has no implementations, consider adding one + --> $DIR/issue-18611.rs:6:1 + | +LL | trait HasState { + | ^^^^^^^^^^^^^^ + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/issues/issue-18959.rs b/tests/ui/issues/issue-18959.rs index 4b6f04e251b..f4cab630f2e 100644 --- a/tests/ui/issues/issue-18959.rs +++ b/tests/ui/issues/issue-18959.rs @@ -11,10 +11,14 @@ impl Foo for Thing { fn foo(b: &dyn Bar) { //~^ ERROR E0038 b.foo(&0) + //~^ ERROR E0038 } fn main() { let mut thing = Thing; let test: &dyn Bar = &mut thing; + //~^ ERROR E0038 + //~| ERROR E0038 foo(test); + //~^ ERROR E0038 } diff --git a/tests/ui/issues/issue-18959.stderr b/tests/ui/issues/issue-18959.stderr index 76082dadd37..83d46f0331c 100644 --- a/tests/ui/issues/issue-18959.stderr +++ b/tests/ui/issues/issue-18959.stderr @@ -13,6 +13,67 @@ LL | pub trait Bar: Foo { } | --- this trait cannot be made into an object... = help: consider moving `foo` to another trait -error: aborting due to 1 previous error +error[E0038]: the trait `Bar` cannot be made into an object + --> $DIR/issue-18959.rs:13:5 + | +LL | b.foo(&0) + | ^^^^^^^^^ `Bar` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + --> $DIR/issue-18959.rs:1:20 + | +LL | pub trait Foo { fn foo<T>(&self, ext_thing: &T); } + | ^^^ ...because method `foo` has generic type parameters +LL | pub trait Bar: Foo { } + | --- this trait cannot be made into an object... + = help: consider moving `foo` to another trait + +error[E0038]: the trait `Bar` cannot be made into an object + --> $DIR/issue-18959.rs:19:15 + | +LL | let test: &dyn Bar = &mut thing; + | ^^^^^^^^ `Bar` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + --> $DIR/issue-18959.rs:1:20 + | +LL | pub trait Foo { fn foo<T>(&self, ext_thing: &T); } + | ^^^ ...because method `foo` has generic type parameters +LL | pub trait Bar: Foo { } + | --- this trait cannot be made into an object... + = help: consider moving `foo` to another trait + +error[E0038]: the trait `Bar` cannot be made into an object + --> $DIR/issue-18959.rs:19:26 + | +LL | let test: &dyn Bar = &mut thing; + | ^^^^^^^^^^ `Bar` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + --> $DIR/issue-18959.rs:1:20 + | +LL | pub trait Foo { fn foo<T>(&self, ext_thing: &T); } + | ^^^ ...because method `foo` has generic type parameters +LL | pub trait Bar: Foo { } + | --- this trait cannot be made into an object... + = help: consider moving `foo` to another trait + = note: required for the cast from `&mut Thing` to `&dyn Bar` + +error[E0038]: the trait `Bar` cannot be made into an object + --> $DIR/issue-18959.rs:22:9 + | +LL | foo(test); + | ^^^^ `Bar` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + --> $DIR/issue-18959.rs:1:20 + | +LL | pub trait Foo { fn foo<T>(&self, ext_thing: &T); } + | ^^^ ...because method `foo` has generic type parameters +LL | pub trait Bar: Foo { } + | --- this trait cannot be made into an object... + = help: consider moving `foo` to another trait + +error: aborting due to 5 previous errors For more information about this error, try `rustc --explain E0038`. diff --git a/tests/ui/issues/issue-20831-debruijn.rs b/tests/ui/issues/issue-20831-debruijn.rs index 20d980763ea..f3286af0ae5 100644 --- a/tests/ui/issues/issue-20831-debruijn.rs +++ b/tests/ui/issues/issue-20831-debruijn.rs @@ -28,6 +28,8 @@ impl<'a> Publisher<'a> for MyStruct<'a> { fn subscribe(&mut self, t : Box<dyn Subscriber<Input=<Self as Publisher>::Output> + 'a>) { // Not obvious, but there is an implicit lifetime here -------^ //~^^ ERROR cannot infer + //~| ERROR may not live long enough + //~| ERROR may not live long enough // // The fact that `Publisher` is using an implicit lifetime is // what was causing the debruijn accounting to be off, so diff --git a/tests/ui/issues/issue-20831-debruijn.stderr b/tests/ui/issues/issue-20831-debruijn.stderr index bd3ff5d59c6..7d1e19b7e47 100644 --- a/tests/ui/issues/issue-20831-debruijn.stderr +++ b/tests/ui/issues/issue-20831-debruijn.stderr @@ -22,6 +22,30 @@ LL | fn subscribe(&mut self, t : Box<dyn Subscriber<Input=<Self as Publisher = note: expected `<MyStruct<'a> as Publisher<'_>>` found `<MyStruct<'_> as Publisher<'_>>` -error: aborting due to 1 previous error +error: lifetime may not live long enough + --> $DIR/issue-20831-debruijn.rs:28:5 + | +LL | impl<'a> Publisher<'a> for MyStruct<'a> { + | -- lifetime `'a` defined here +LL | type Output = u64; +LL | fn subscribe(&mut self, t : Box<dyn Subscriber<Input=<Self as Publisher>::Output> + 'a>) { + | ^^^^^^^^^^^^^^^^^^^^^^^^-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | | | + | | has type `Box<dyn Subscriber<Input = <MyStruct<'_> as Publisher<'1>>::Output>>` + | requires that `'a` must outlive `'1` + +error: lifetime may not live long enough + --> $DIR/issue-20831-debruijn.rs:28:5 + | +LL | impl<'a> Publisher<'a> for MyStruct<'a> { + | -- lifetime `'a` defined here +LL | type Output = u64; +LL | fn subscribe(&mut self, t : Box<dyn Subscriber<Input=<Self as Publisher>::Output> + 'a>) { + | ^^^^^^^^^^^^^^^^^^^^^^^^-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | | | + | | has type `Box<dyn Subscriber<Input = <MyStruct<'_> as Publisher<'1>>::Output>>` + | requires that `'1` must outlive `'a` + +error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0495`. diff --git a/tests/ui/issues/issue-21974.rs b/tests/ui/issues/issue-21974.rs index f7c659be148..24e92ce7b91 100644 --- a/tests/ui/issues/issue-21974.rs +++ b/tests/ui/issues/issue-21974.rs @@ -11,7 +11,7 @@ fn foo<'a,'b,T>(x: &'a T, y: &'b T) where &'a T : Foo, //~ ERROR type annotations needed &'b T : Foo { - x.foo(); + x.foo(); //~ ERROR type annotations needed y.foo(); } diff --git a/tests/ui/issues/issue-21974.stderr b/tests/ui/issues/issue-21974.stderr index 3934846ea02..cc9164e5621 100644 --- a/tests/ui/issues/issue-21974.stderr +++ b/tests/ui/issues/issue-21974.stderr @@ -12,6 +12,20 @@ LL | where &'a T : Foo, LL | &'b T : Foo | ^^^ -error: aborting due to 1 previous error +error[E0283]: type annotations needed: cannot satisfy `&T: Foo` + --> $DIR/issue-21974.rs:14:7 + | +LL | x.foo(); + | ^^^ + | +note: multiple `impl`s or `where` clauses satisfying `&T: Foo` found + --> $DIR/issue-21974.rs:11:19 + | +LL | where &'a T : Foo, + | ^^^ +LL | &'b T : Foo + | ^^^ + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0283`. diff --git a/tests/ui/issues/issue-22874.rs b/tests/ui/issues/issue-22874.rs index 37c6c814352..c4500aacb61 100644 --- a/tests/ui/issues/issue-22874.rs +++ b/tests/ui/issues/issue-22874.rs @@ -5,6 +5,7 @@ struct Table { fn f(table: &Table) -> &[String] { &table.rows[0] + //~^ ERROR the size for values of type } fn main() {} diff --git a/tests/ui/issues/issue-22874.stderr b/tests/ui/issues/issue-22874.stderr index 717ce72b9c1..29ddf9756ff 100644 --- a/tests/ui/issues/issue-22874.stderr +++ b/tests/ui/issues/issue-22874.stderr @@ -7,6 +7,15 @@ LL | rows: [[String]], = help: the trait `Sized` is not implemented for `[String]` = note: slice and array elements must have `Sized` type -error: aborting due to 1 previous error +error[E0277]: the size for values of type `[String]` cannot be known at compilation time + --> $DIR/issue-22874.rs:7:6 + | +LL | &table.rows[0] + | ^^^^^^^^^^ doesn't have a size known at compile-time + | + = help: the trait `Sized` is not implemented for `[String]`, which is required by `[_]: Index<_>` + = note: required for `[[String]]` to implement `Index<_>` + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/issues/issue-27340.rs b/tests/ui/issues/issue-27340.rs index aff37d95a3f..53ca2bc973f 100644 --- a/tests/ui/issues/issue-27340.rs +++ b/tests/ui/issues/issue-27340.rs @@ -2,5 +2,6 @@ struct Foo; #[derive(Copy, Clone)] //~^ ERROR the trait `Copy` cannot be implemented for this type struct Bar(Foo); +//~^ ERROR `Foo: Clone` is not satisfied fn main() {} diff --git a/tests/ui/issues/issue-27340.stderr b/tests/ui/issues/issue-27340.stderr index 3353b83f4e5..61ae660f4cf 100644 --- a/tests/ui/issues/issue-27340.stderr +++ b/tests/ui/issues/issue-27340.stderr @@ -9,6 +9,25 @@ LL | struct Bar(Foo); | = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info) -error: aborting due to 1 previous error +error[E0277]: the trait bound `Foo: Clone` is not satisfied + --> $DIR/issue-27340.rs:4:12 + | +LL | #[derive(Copy, Clone)] + | ----- in this derive macro expansion +LL | +LL | struct Bar(Foo); + | ^^^ the trait `Clone` is not implemented for `Foo` + | +note: required by a bound in `AssertParamIsClone` + --> $SRC_DIR/core/src/clone.rs:LL:COL + = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) +help: consider annotating `Foo` with `#[derive(Clone)]` + | +LL + #[derive(Clone)] +LL | struct Foo; + | + +error: aborting due to 2 previous errors -For more information about this error, try `rustc --explain E0204`. +Some errors have detailed explanations: E0204, E0277. +For more information about an error, try `rustc --explain E0204`. diff --git a/tests/ui/issues/issue-35570.rs b/tests/ui/issues/issue-35570.rs index 42bdb423f8f..a2b0222d4f3 100644 --- a/tests/ui/issues/issue-35570.rs +++ b/tests/ui/issues/issue-35570.rs @@ -7,6 +7,7 @@ trait Trait2<'a> { fn _ice(param: Box<dyn for <'a> Trait1<<() as Trait2<'a>>::Ty>>) { //~^ ERROR the trait bound `for<'a> (): Trait2<'a>` is not satisfied + //~| ERROR the trait bound `for<'a> (): Trait2<'a>` is not satisfied let _e: (usize, usize) = unsafe{mem::transmute(param)}; } diff --git a/tests/ui/issues/issue-35570.stderr b/tests/ui/issues/issue-35570.stderr index f23b55689e3..0aa6b5e402e 100644 --- a/tests/ui/issues/issue-35570.stderr +++ b/tests/ui/issues/issue-35570.stderr @@ -10,6 +10,23 @@ help: this trait has no implementations, consider adding one LL | trait Trait2<'a> { | ^^^^^^^^^^^^^^^^ -error: aborting due to 1 previous error +error[E0277]: the trait bound `for<'a> (): Trait2<'a>` is not satisfied + --> $DIR/issue-35570.rs:8:66 + | +LL | fn _ice(param: Box<dyn for <'a> Trait1<<() as Trait2<'a>>::Ty>>) { + | __________________________________________________________________^ +LL | | +LL | | +LL | | let _e: (usize, usize) = unsafe{mem::transmute(param)}; +LL | | } + | |_^ the trait `for<'a> Trait2<'a>` is not implemented for `()` + | +help: this trait has no implementations, consider adding one + --> $DIR/issue-35570.rs:4:1 + | +LL | trait Trait2<'a> { + | ^^^^^^^^^^^^^^^^ + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/issues/issue-54410.rs b/tests/ui/issues/issue-54410.rs index e3e8ca985b9..51eea3ad9ac 100644 --- a/tests/ui/issues/issue-54410.rs +++ b/tests/ui/issues/issue-54410.rs @@ -5,4 +5,5 @@ extern "C" { fn main() { println!("{:p}", unsafe { &symbol }); + //~^ WARN: shared reference of mutable static is discouraged } diff --git a/tests/ui/issues/issue-54410.stderr b/tests/ui/issues/issue-54410.stderr index 97e5990750e..941c1be3eab 100644 --- a/tests/ui/issues/issue-54410.stderr +++ b/tests/ui/issues/issue-54410.stderr @@ -6,6 +6,21 @@ LL | pub static mut symbol: [i8]; | = help: the trait `Sized` is not implemented for `[i8]` -error: aborting due to 1 previous error +warning: shared reference of mutable static is discouraged + --> $DIR/issue-54410.rs:7:31 + | +LL | println!("{:p}", unsafe { &symbol }); + | ^^^^^^^ shared reference of mutable static + | + = note: for more information, see issue #114447 <https://github.com/rust-lang/rust/issues/114447> + = note: reference of mutable static is a hard error from 2024 edition + = note: mutable statics can be written to by multiple threads: aliasing violations or data races will cause undefined behavior + = note: `#[warn(static_mut_ref)]` on by default +help: shared references are dangerous since if there's any kind of mutation of that static while the reference lives, that's UB; use `addr_of!` instead to create a raw pointer + | +LL | println!("{:p}", unsafe { addr_of!(symbol) }); + | ~~~~~~~~~~~~~~~~ + +error: aborting due to 1 previous error; 1 warning emitted For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/issues/issue-7364.rs b/tests/ui/issues/issue-7364.rs index 79642bd411b..0608f902fde 100644 --- a/tests/ui/issues/issue-7364.rs +++ b/tests/ui/issues/issue-7364.rs @@ -3,5 +3,6 @@ use std::cell::RefCell; // Regression test for issue 7364 static boxed: Box<RefCell<isize>> = Box::new(RefCell::new(0)); //~^ ERROR `RefCell<isize>` cannot be shared between threads safely [E0277] +//~| ERROR cannot call non-const fn fn main() { } diff --git a/tests/ui/issues/issue-7364.stderr b/tests/ui/issues/issue-7364.stderr index 15cb2d875c1..3bf59a6d711 100644 --- a/tests/ui/issues/issue-7364.stderr +++ b/tests/ui/issues/issue-7364.stderr @@ -11,6 +11,16 @@ note: required because it appears within the type `Box<RefCell<isize>>` --> $SRC_DIR/alloc/src/boxed.rs:LL:COL = note: shared static variables must have a type that implements `Sync` -error: aborting due to 1 previous error +error[E0015]: cannot call non-const fn `Box::<RefCell<isize>>::new` in statics + --> $DIR/issue-7364.rs:4:37 + | +LL | static boxed: Box<RefCell<isize>> = Box::new(RefCell::new(0)); + | ^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: calls in statics are limited to constant functions, tuple structs and tuple variants + = note: consider wrapping this expression in `Lazy::new(|| ...)` from the `once_cell` crate: https://crates.io/crates/once_cell + +error: aborting due to 2 previous errors -For more information about this error, try `rustc --explain E0277`. +Some errors have detailed explanations: E0015, E0277. +For more information about an error, try `rustc --explain E0015`. diff --git a/tests/ui/layout/cannot-transmute-unnormalizable-type.rs b/tests/ui/layout/cannot-transmute-unnormalizable-type.rs index 1a2ff8c4705..d2b6e1d8eba 100644 --- a/tests/ui/layout/cannot-transmute-unnormalizable-type.rs +++ b/tests/ui/layout/cannot-transmute-unnormalizable-type.rs @@ -16,8 +16,7 @@ struct Other { fn main() { unsafe { - // FIXME(oli-obk): make this report a transmute error again. std::mem::transmute::<Option<()>, Option<&Other>>(None); - //^ ERROR cannot transmute between types of different sizes, or dependently-sized types + //~^ ERROR cannot transmute between types of different sizes, or dependently-sized types } } diff --git a/tests/ui/layout/cannot-transmute-unnormalizable-type.stderr b/tests/ui/layout/cannot-transmute-unnormalizable-type.stderr index d17564a1eca..dd5119318ff 100644 --- a/tests/ui/layout/cannot-transmute-unnormalizable-type.stderr +++ b/tests/ui/layout/cannot-transmute-unnormalizable-type.stderr @@ -4,6 +4,16 @@ error[E0412]: cannot find type `Missing` in this scope LL | Missing: Trait, | ^^^^^^^ not found in this scope -error: aborting due to 1 previous error +error[E0512]: cannot transmute between types of different sizes, or dependently-sized types + --> $DIR/cannot-transmute-unnormalizable-type.rs:19:9 + | +LL | std::mem::transmute::<Option<()>, Option<&Other>>(None); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: source type: `Option<()>` (8 bits) + = note: target type: `Option<&Other>` (unable to determine layout for `Other` because `<() as Trait>::RefTarget` cannot be normalized) + +error: aborting due to 2 previous errors -For more information about this error, try `rustc --explain E0412`. +Some errors have detailed explanations: E0412, E0512. +For more information about an error, try `rustc --explain E0412`. diff --git a/tests/ui/lifetimes/issue-95023.rs b/tests/ui/lifetimes/issue-95023.rs index e35f1a36e2a..ee39a8c49c0 100644 --- a/tests/ui/lifetimes/issue-95023.rs +++ b/tests/ui/lifetimes/issue-95023.rs @@ -9,5 +9,6 @@ impl Fn(&isize) for Error { //~^ ERROR associated function in `impl` without body //~^^ ERROR method `foo` is not a member of trait `Fn` [E0407] //~^^^ ERROR associated type `B` not found for `Self` [E0220] + //~| ERROR associated type `B` not found for `Self` [E0220] } fn main() {} diff --git a/tests/ui/lifetimes/issue-95023.stderr b/tests/ui/lifetimes/issue-95023.stderr index b9c95d3e49a..0c67d7328f2 100644 --- a/tests/ui/lifetimes/issue-95023.stderr +++ b/tests/ui/lifetimes/issue-95023.stderr @@ -56,7 +56,15 @@ LL | impl Fn(&isize) for Error { | = help: implement the missing item: `fn call(&self, _: (&isize,)) -> <Self as FnOnce<(&isize,)>>::Output { todo!() }` -error: aborting due to 7 previous errors +error[E0220]: associated type `B` not found for `Self` + --> $DIR/issue-95023.rs:8:44 + | +LL | fn foo<const N: usize>(&self) -> Self::B<{ N }>; + | ^ help: `Self` has the following associated type: `Output` + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: aborting due to 8 previous errors Some errors have detailed explanations: E0046, E0183, E0220, E0229, E0277, E0407. For more information about an error, try `rustc --explain E0046`. diff --git a/tests/ui/nll/normalization-bounds-error.rs b/tests/ui/nll/normalization-bounds-error.rs index b6cfcd98732..e7744b53f75 100644 --- a/tests/ui/nll/normalization-bounds-error.rs +++ b/tests/ui/nll/normalization-bounds-error.rs @@ -10,6 +10,7 @@ impl<'a, 'd: 'a> Visitor<'d> for &'a () { } fn visit_seq<'d, 'a: 'd>() -> <&'a () as Visitor<'d>>::Value {} -//~^ ERROR +//~^ ERROR lifetime may not live long enough +//~| ERROR cannot infer fn main() {} diff --git a/tests/ui/nll/normalization-bounds-error.stderr b/tests/ui/nll/normalization-bounds-error.stderr index c6f3f2fd018..d4254881863 100644 --- a/tests/ui/nll/normalization-bounds-error.stderr +++ b/tests/ui/nll/normalization-bounds-error.stderr @@ -22,6 +22,18 @@ LL | fn visit_seq<'d, 'a: 'd>() -> <&'a () as Visitor<'d>>::Value {} = note: expected `Visitor<'d>` found `Visitor<'_>` -error: aborting due to 1 previous error +error: lifetime may not live long enough + --> $DIR/normalization-bounds-error.rs:12:1 + | +LL | fn visit_seq<'d, 'a: 'd>() -> <&'a () as Visitor<'d>>::Value {} + | ^^^^^^^^^^^^^--^^--^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | | | | + | | | lifetime `'a` defined here + | | lifetime `'d` defined here + | requires that `'d` must outlive `'a` + | + = help: consider adding the following bound: `'d: 'a` + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0495`. diff --git a/tests/ui/object-safety/avoid-ice-on-warning-2.new.stderr b/tests/ui/object-safety/avoid-ice-on-warning-2.new.stderr index 7aec3a73fe9..0bc396390d7 100644 --- a/tests/ui/object-safety/avoid-ice-on-warning-2.new.stderr +++ b/tests/ui/object-safety/avoid-ice-on-warning-2.new.stderr @@ -7,6 +7,35 @@ LL | fn id<F>(f: Copy) -> usize { = note: the trait cannot be made into an object because it requires `Self: Sized` = note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> -error: aborting due to 1 previous error +error[E0618]: expected function, found `(dyn Copy + 'static)` + --> $DIR/avoid-ice-on-warning-2.rs:11:5 + | +LL | fn id<F>(f: Copy) -> usize { + | - `f` has type `(dyn Copy + 'static)` +... +LL | f() + | ^-- + | | + | call expression requires function + +error[E0277]: the size for values of type `(dyn Copy + 'static)` cannot be known at compilation time + --> $DIR/avoid-ice-on-warning-2.rs:4:10 + | +LL | fn id<F>(f: Copy) -> usize { + | ^ doesn't have a size known at compile-time + | + = help: the trait `Sized` is not implemented for `(dyn Copy + 'static)` + = help: unsized fn params are gated as an unstable feature +help: you can use `impl Trait` as the argument type + | +LL | fn id<F>(f: impl Copy) -> usize { + | ++++ +help: function arguments must have a statically known size, borrowed types always have a known size + | +LL | fn id<F>(f: &dyn Copy) -> usize { + | ++++ + +error: aborting due to 3 previous errors -For more information about this error, try `rustc --explain E0038`. +Some errors have detailed explanations: E0038, E0277, E0618. +For more information about an error, try `rustc --explain E0038`. diff --git a/tests/ui/object-safety/avoid-ice-on-warning-2.old.stderr b/tests/ui/object-safety/avoid-ice-on-warning-2.old.stderr index 41c09b7df62..0cedfc537ea 100644 --- a/tests/ui/object-safety/avoid-ice-on-warning-2.old.stderr +++ b/tests/ui/object-safety/avoid-ice-on-warning-2.old.stderr @@ -35,6 +35,35 @@ LL | fn id<F>(f: Copy) -> usize { = note: the trait cannot be made into an object because it requires `Self: Sized` = note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> -error: aborting due to 1 previous error; 2 warnings emitted +error[E0618]: expected function, found `(dyn Copy + 'static)` + --> $DIR/avoid-ice-on-warning-2.rs:11:5 + | +LL | fn id<F>(f: Copy) -> usize { + | - `f` has type `(dyn Copy + 'static)` +... +LL | f() + | ^-- + | | + | call expression requires function + +error[E0277]: the size for values of type `(dyn Copy + 'static)` cannot be known at compilation time + --> $DIR/avoid-ice-on-warning-2.rs:4:10 + | +LL | fn id<F>(f: Copy) -> usize { + | ^ doesn't have a size known at compile-time + | + = help: the trait `Sized` is not implemented for `(dyn Copy + 'static)` + = help: unsized fn params are gated as an unstable feature +help: you can use `impl Trait` as the argument type + | +LL | fn id<F>(f: impl Copy) -> usize { + | ++++ +help: function arguments must have a statically known size, borrowed types always have a known size + | +LL | fn id<F>(f: &dyn Copy) -> usize { + | ++++ + +error: aborting due to 3 previous errors; 2 warnings emitted -For more information about this error, try `rustc --explain E0038`. +Some errors have detailed explanations: E0038, E0277, E0618. +For more information about an error, try `rustc --explain E0038`. diff --git a/tests/ui/object-safety/avoid-ice-on-warning-2.rs b/tests/ui/object-safety/avoid-ice-on-warning-2.rs index 9a6a4378fa3..eabfd31dda6 100644 --- a/tests/ui/object-safety/avoid-ice-on-warning-2.rs +++ b/tests/ui/object-safety/avoid-ice-on-warning-2.rs @@ -3,10 +3,12 @@ //[new] edition:2021 fn id<F>(f: Copy) -> usize { //~^ ERROR the trait `Copy` cannot be made into an object +//~| ERROR: the size for values of type `(dyn Copy + 'static)` //[old]~| WARN trait objects without an explicit `dyn` are deprecated //[old]~| WARN this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! //[old]~| WARN trait objects without an explicit `dyn` are deprecated //[old]~| WARN this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! f() + //~^ ERROR: expected function, found `(dyn Copy + 'static)` } fn main() {} diff --git a/tests/ui/object-safety/issue-102762.rs b/tests/ui/object-safety/issue-102762.rs index 4f4c3634528..ed0bee5d37e 100644 --- a/tests/ui/object-safety/issue-102762.rs +++ b/tests/ui/object-safety/issue-102762.rs @@ -22,5 +22,7 @@ fn fetcher() -> Box<dyn Fetcher> { pub fn foo() { let fetcher = fetcher(); + //~^ ERROR the trait `Fetcher` cannot be made into an object let _ = fetcher.get(); + //~^ ERROR the trait `Fetcher` cannot be made into an object } diff --git a/tests/ui/object-safety/issue-102762.stderr b/tests/ui/object-safety/issue-102762.stderr index 2215ec677c5..e746628aa37 100644 --- a/tests/ui/object-safety/issue-102762.stderr +++ b/tests/ui/object-safety/issue-102762.stderr @@ -15,6 +15,40 @@ LL | pub trait Fetcher: Send + Sync { LL | fn get<'a>(self: &'a Box<Self>) -> Pin<Box<dyn Future<Output = Vec<u8>> + 'a>> | ^^^^^^^^^^^^^ ...because method `get`'s `self` parameter cannot be dispatched on -error: aborting due to 1 previous error +error[E0038]: the trait `Fetcher` cannot be made into an object + --> $DIR/issue-102762.rs:24:19 + | +LL | fn get<'a>(self: &'a Box<Self>) -> Pin<Box<dyn Future<Output = Vec<u8>> + 'a>> + | ------------- help: consider changing method `get`'s `self` parameter to be `&self`: `&Self` +... +LL | let fetcher = fetcher(); + | ^^^^^^^^^ `Fetcher` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + --> $DIR/issue-102762.rs:10:22 + | +LL | pub trait Fetcher: Send + Sync { + | ------- this trait cannot be made into an object... +LL | fn get<'a>(self: &'a Box<Self>) -> Pin<Box<dyn Future<Output = Vec<u8>> + 'a>> + | ^^^^^^^^^^^^^ ...because method `get`'s `self` parameter cannot be dispatched on + +error[E0038]: the trait `Fetcher` cannot be made into an object + --> $DIR/issue-102762.rs:26:13 + | +LL | fn get<'a>(self: &'a Box<Self>) -> Pin<Box<dyn Future<Output = Vec<u8>> + 'a>> + | ------------- help: consider changing method `get`'s `self` parameter to be `&self`: `&Self` +... +LL | let _ = fetcher.get(); + | ^^^^^^^^^^^^^ `Fetcher` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + --> $DIR/issue-102762.rs:10:22 + | +LL | pub trait Fetcher: Send + Sync { + | ------- this trait cannot be made into an object... +LL | fn get<'a>(self: &'a Box<Self>) -> Pin<Box<dyn Future<Output = Vec<u8>> + 'a>> + | ^^^^^^^^^^^^^ ...because method `get`'s `self` parameter cannot be dispatched on + +error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0038`. diff --git a/tests/ui/object-safety/object-safety-associated-consts.curr.stderr b/tests/ui/object-safety/object-safety-associated-consts.curr.stderr index 462d3d95f13..bd558d36f73 100644 --- a/tests/ui/object-safety/object-safety-associated-consts.curr.stderr +++ b/tests/ui/object-safety/object-safety-associated-consts.curr.stderr @@ -13,6 +13,22 @@ LL | const X: usize; | ^ ...because it contains this associated `const` = help: consider moving `X` to another trait -error: aborting due to 1 previous error +error[E0038]: the trait `Bar` cannot be made into an object + --> $DIR/object-safety-associated-consts.rs:14:5 + | +LL | t + | ^ `Bar` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + --> $DIR/object-safety-associated-consts.rs:9:11 + | +LL | trait Bar { + | --- this trait cannot be made into an object... +LL | const X: usize; + | ^ ...because it contains this associated `const` + = help: consider moving `X` to another trait + = note: required for the cast from `&T` to `&dyn Bar` + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0038`. diff --git a/tests/ui/object-safety/object-safety-associated-consts.rs b/tests/ui/object-safety/object-safety-associated-consts.rs index e1a772e5ab2..622f3a0f92e 100644 --- a/tests/ui/object-safety/object-safety-associated-consts.rs +++ b/tests/ui/object-safety/object-safety-associated-consts.rs @@ -12,7 +12,7 @@ trait Bar { fn make_bar<T:Bar>(t: &T) -> &dyn Bar { //[curr]~^ ERROR E0038 t - //[object_safe_for_dispatch]~^ ERROR E0038 + //~^ ERROR E0038 } fn main() { diff --git a/tests/ui/object-safety/object-safety-generics.curr.stderr b/tests/ui/object-safety/object-safety-generics.curr.stderr index 45810375263..85adeace3c7 100644 --- a/tests/ui/object-safety/object-safety-generics.curr.stderr +++ b/tests/ui/object-safety/object-safety-generics.curr.stderr @@ -14,7 +14,7 @@ LL | fn bar<T>(&self, t: T); = help: consider moving `bar` to another trait error[E0038]: the trait `Bar` cannot be made into an object - --> $DIR/object-safety-generics.rs:24:40 + --> $DIR/object-safety-generics.rs:25:40 | LL | fn make_bar_explicit<T:Bar>(t: &T) -> &dyn Bar { | ^^^^^^^ `Bar` cannot be made into an object @@ -28,6 +28,53 @@ LL | fn bar<T>(&self, t: T); | ^^^ ...because method `bar` has generic type parameters = help: consider moving `bar` to another trait -error: aborting due to 2 previous errors +error[E0038]: the trait `Bar` cannot be made into an object + --> $DIR/object-safety-generics.rs:20:5 + | +LL | t + | ^ `Bar` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + --> $DIR/object-safety-generics.rs:10:8 + | +LL | trait Bar { + | --- this trait cannot be made into an object... +LL | fn bar<T>(&self, t: T); + | ^^^ ...because method `bar` has generic type parameters + = help: consider moving `bar` to another trait + = note: required for the cast from `&T` to `&dyn Bar` + +error[E0038]: the trait `Bar` cannot be made into an object + --> $DIR/object-safety-generics.rs:27:10 + | +LL | t as &dyn Bar + | ^^^^^^^^ `Bar` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + --> $DIR/object-safety-generics.rs:10:8 + | +LL | trait Bar { + | --- this trait cannot be made into an object... +LL | fn bar<T>(&self, t: T); + | ^^^ ...because method `bar` has generic type parameters + = help: consider moving `bar` to another trait + +error[E0038]: the trait `Bar` cannot be made into an object + --> $DIR/object-safety-generics.rs:27:5 + | +LL | t as &dyn Bar + | ^ `Bar` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + --> $DIR/object-safety-generics.rs:10:8 + | +LL | trait Bar { + | --- this trait cannot be made into an object... +LL | fn bar<T>(&self, t: T); + | ^^^ ...because method `bar` has generic type parameters + = help: consider moving `bar` to another trait + = note: required for the cast from `&T` to `&dyn Bar` + +error: aborting due to 5 previous errors For more information about this error, try `rustc --explain E0038`. diff --git a/tests/ui/object-safety/object-safety-generics.object_safe_for_dispatch.stderr b/tests/ui/object-safety/object-safety-generics.object_safe_for_dispatch.stderr index b200b64a1f0..498ad0d8a5e 100644 --- a/tests/ui/object-safety/object-safety-generics.object_safe_for_dispatch.stderr +++ b/tests/ui/object-safety/object-safety-generics.object_safe_for_dispatch.stderr @@ -15,7 +15,7 @@ LL | fn bar<T>(&self, t: T); = note: required for the cast from `&T` to `&dyn Bar` error[E0038]: the trait `Bar` cannot be made into an object - --> $DIR/object-safety-generics.rs:26:5 + --> $DIR/object-safety-generics.rs:27:5 | LL | t as &dyn Bar | ^ `Bar` cannot be made into an object diff --git a/tests/ui/object-safety/object-safety-generics.rs b/tests/ui/object-safety/object-safety-generics.rs index 63dcd169925..4528b4ea6e0 100644 --- a/tests/ui/object-safety/object-safety-generics.rs +++ b/tests/ui/object-safety/object-safety-generics.rs @@ -19,12 +19,15 @@ fn make_bar<T:Bar>(t: &T) -> &dyn Bar { //[curr]~^ ERROR E0038 t //[object_safe_for_dispatch]~^ ERROR E0038 + //[curr]~^^ ERROR E0038 } fn make_bar_explicit<T:Bar>(t: &T) -> &dyn Bar { //[curr]~^ ERROR E0038 t as &dyn Bar //[object_safe_for_dispatch]~^ ERROR E0038 + //[curr]~^^ ERROR E0038 + //[curr]~| ERROR E0038 } fn make_quux<T:Quux>(t: &T) -> &dyn Quux { diff --git a/tests/ui/object-safety/object-safety-issue-22040.rs b/tests/ui/object-safety/object-safety-issue-22040.rs index 1fc5c5442c2..c9ec44cc0b8 100644 --- a/tests/ui/object-safety/object-safety-issue-22040.rs +++ b/tests/ui/object-safety/object-safety-issue-22040.rs @@ -36,7 +36,9 @@ impl <'x> Expr for SExpr<'x> { fn main() { let a: Box<dyn Expr> = Box::new(SExpr::new()); + //~^ ERROR: `Expr` cannot be made into an object let b: Box<dyn Expr> = Box::new(SExpr::new()); + //~^ ERROR: `Expr` cannot be made into an object // assert_eq!(a , b); } diff --git a/tests/ui/object-safety/object-safety-issue-22040.stderr b/tests/ui/object-safety/object-safety-issue-22040.stderr index c9c1437a261..767c232c6ce 100644 --- a/tests/ui/object-safety/object-safety-issue-22040.stderr +++ b/tests/ui/object-safety/object-safety-issue-22040.stderr @@ -13,6 +13,36 @@ LL | trait Expr: Debug + PartialEq { | this trait cannot be made into an object... = help: only type `SExpr<'x>` implements the trait, consider using it directly instead -error: aborting due to 1 previous error +error[E0038]: the trait `Expr` cannot be made into an object + --> $DIR/object-safety-issue-22040.rs:38:16 + | +LL | let a: Box<dyn Expr> = Box::new(SExpr::new()); + | ^^^^^^^^ `Expr` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + --> $DIR/object-safety-issue-22040.rs:5:21 + | +LL | trait Expr: Debug + PartialEq { + | ---- ^^^^^^^^^ ...because it uses `Self` as a type parameter + | | + | this trait cannot be made into an object... + = help: only type `SExpr<'x>` implements the trait, consider using it directly instead + +error[E0038]: the trait `Expr` cannot be made into an object + --> $DIR/object-safety-issue-22040.rs:40:16 + | +LL | let b: Box<dyn Expr> = Box::new(SExpr::new()); + | ^^^^^^^^ `Expr` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + --> $DIR/object-safety-issue-22040.rs:5:21 + | +LL | trait Expr: Debug + PartialEq { + | ---- ^^^^^^^^^ ...because it uses `Self` as a type parameter + | | + | this trait cannot be made into an object... + = help: only type `SExpr<'x>` implements the trait, consider using it directly instead + +error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0038`. diff --git a/tests/ui/object-safety/object-safety-mentions-Self.curr.stderr b/tests/ui/object-safety/object-safety-mentions-Self.curr.stderr index de430a89bf8..28c9c9d64a0 100644 --- a/tests/ui/object-safety/object-safety-mentions-Self.curr.stderr +++ b/tests/ui/object-safety/object-safety-mentions-Self.curr.stderr @@ -28,6 +28,38 @@ LL | fn baz(&self) -> Self; | ^^^^ ...because method `baz` references the `Self` type in its return type = help: consider moving `baz` to another trait -error: aborting due to 2 previous errors +error[E0038]: the trait `Bar` cannot be made into an object + --> $DIR/object-safety-mentions-Self.rs:24:5 + | +LL | t + | ^ `Bar` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + --> $DIR/object-safety-mentions-Self.rs:11:22 + | +LL | trait Bar { + | --- this trait cannot be made into an object... +LL | fn bar(&self, x: &Self); + | ^^^^^ ...because method `bar` references the `Self` type in this parameter + = help: consider moving `bar` to another trait + = note: required for the cast from `&T` to `&dyn Bar` + +error[E0038]: the trait `Baz` cannot be made into an object + --> $DIR/object-safety-mentions-Self.rs:30:5 + | +LL | t + | ^ `Baz` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + --> $DIR/object-safety-mentions-Self.rs:15:22 + | +LL | trait Baz { + | --- this trait cannot be made into an object... +LL | fn baz(&self) -> Self; + | ^^^^ ...because method `baz` references the `Self` type in its return type + = help: consider moving `baz` to another trait + = note: required for the cast from `&T` to `&dyn Baz` + +error: aborting due to 4 previous errors For more information about this error, try `rustc --explain E0038`. diff --git a/tests/ui/object-safety/object-safety-mentions-Self.rs b/tests/ui/object-safety/object-safety-mentions-Self.rs index 412d16ff3c7..91582aa6a04 100644 --- a/tests/ui/object-safety/object-safety-mentions-Self.rs +++ b/tests/ui/object-safety/object-safety-mentions-Self.rs @@ -22,13 +22,13 @@ trait Quux { fn make_bar<T:Bar>(t: &T) -> &dyn Bar { //[curr]~^ ERROR E0038 t - //[object_safe_for_dispatch]~^ ERROR E0038 + //~^ ERROR E0038 } fn make_baz<T:Baz>(t: &T) -> &dyn Baz { //[curr]~^ ERROR E0038 t - //[object_safe_for_dispatch]~^ ERROR E0038 + //~^ ERROR E0038 } fn make_quux<T:Quux>(t: &T) -> &dyn Quux { diff --git a/tests/ui/object-safety/object-safety-no-static.curr.stderr b/tests/ui/object-safety/object-safety-no-static.curr.stderr index c9e076c6577..8e5b0cbf9dd 100644 --- a/tests/ui/object-safety/object-safety-no-static.curr.stderr +++ b/tests/ui/object-safety/object-safety-no-static.curr.stderr @@ -21,6 +21,53 @@ help: alternatively, consider constraining `foo` so it does not apply to trait o LL | fn foo() where Self: Sized {} | +++++++++++++++++ -error: aborting due to 1 previous error +error[E0038]: the trait `Foo` cannot be made into an object + --> $DIR/object-safety-no-static.rs:22:12 + | +LL | let b: Box<dyn Foo> = Box::new(Bar); + | ^^^^^^^^^^^^ `Foo` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + --> $DIR/object-safety-no-static.rs:9:8 + | +LL | trait Foo { + | --- this trait cannot be made into an object... +LL | fn foo() {} + | ^^^ ...because associated function `foo` has no `self` parameter + = help: only type `Bar` implements the trait, consider using it directly instead +help: consider turning `foo` into a method by giving it a `&self` argument + | +LL | fn foo(&self) {} + | +++++ +help: alternatively, consider constraining `foo` so it does not apply to trait objects + | +LL | fn foo() where Self: Sized {} + | +++++++++++++++++ + +error[E0038]: the trait `Foo` cannot be made into an object + --> $DIR/object-safety-no-static.rs:22:27 + | +LL | let b: Box<dyn Foo> = Box::new(Bar); + | ^^^^^^^^^^^^^ `Foo` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + --> $DIR/object-safety-no-static.rs:9:8 + | +LL | trait Foo { + | --- this trait cannot be made into an object... +LL | fn foo() {} + | ^^^ ...because associated function `foo` has no `self` parameter + = help: only type `Bar` implements the trait, consider using it directly instead + = note: required for the cast from `Box<Bar>` to `Box<dyn Foo>` +help: consider turning `foo` into a method by giving it a `&self` argument + | +LL | fn foo(&self) {} + | +++++ +help: alternatively, consider constraining `foo` so it does not apply to trait objects + | +LL | fn foo() where Self: Sized {} + | +++++++++++++++++ + +error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0038`. diff --git a/tests/ui/object-safety/object-safety-no-static.rs b/tests/ui/object-safety/object-safety-no-static.rs index 03b62217483..abfaa11c9e4 100644 --- a/tests/ui/object-safety/object-safety-no-static.rs +++ b/tests/ui/object-safety/object-safety-no-static.rs @@ -20,5 +20,6 @@ impl Foo for Bar {} fn main() { let b: Box<dyn Foo> = Box::new(Bar); - //[object_safe_for_dispatch]~^ ERROR E0038 + //~^ ERROR E0038 + //[curr]~| ERROR E0038 } diff --git a/tests/ui/object-safety/object-safety-sized-2.curr.stderr b/tests/ui/object-safety/object-safety-sized-2.curr.stderr index 7b91c4d665c..03b078c2a44 100644 --- a/tests/ui/object-safety/object-safety-sized-2.curr.stderr +++ b/tests/ui/object-safety/object-safety-sized-2.curr.stderr @@ -12,6 +12,21 @@ LL | trait Bar LL | where Self : Sized | ^^^^^ ...because it requires `Self: Sized` -error: aborting due to 1 previous error +error[E0038]: the trait `Bar` cannot be made into an object + --> $DIR/object-safety-sized-2.rs:16:5 + | +LL | t + | ^ `Bar` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + --> $DIR/object-safety-sized-2.rs:9:18 + | +LL | trait Bar + | --- this trait cannot be made into an object... +LL | where Self : Sized + | ^^^^^ ...because it requires `Self: Sized` + = note: required for the cast from `&T` to `&dyn Bar` + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0038`. diff --git a/tests/ui/object-safety/object-safety-sized-2.rs b/tests/ui/object-safety/object-safety-sized-2.rs index 1e79b8cd917..607b7c68f7f 100644 --- a/tests/ui/object-safety/object-safety-sized-2.rs +++ b/tests/ui/object-safety/object-safety-sized-2.rs @@ -14,7 +14,7 @@ trait Bar fn make_bar<T:Bar>(t: &T) -> &dyn Bar { //[curr]~^ ERROR E0038 t - //[object_safe_for_dispatch]~^ ERROR E0038 + //~^ ERROR E0038 } fn main() { diff --git a/tests/ui/object-safety/object-safety-sized.curr.stderr b/tests/ui/object-safety/object-safety-sized.curr.stderr index 66b5239745b..0513780a81f 100644 --- a/tests/ui/object-safety/object-safety-sized.curr.stderr +++ b/tests/ui/object-safety/object-safety-sized.curr.stderr @@ -1,17 +1,32 @@ error[E0038]: the trait `Bar` cannot be made into an object - --> $DIR/object-safety-sized.rs:12:31 + --> $DIR/object-safety-sized.rs:12:32 | -LL | fn make_bar<T:Bar>(t: &T) -> &dyn Bar { - | ^^^^^^^ `Bar` cannot be made into an object +LL | fn make_bar<T: Bar>(t: &T) -> &dyn Bar { + | ^^^^^^^ `Bar` cannot be made into an object | note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> - --> $DIR/object-safety-sized.rs:8:13 + --> $DIR/object-safety-sized.rs:8:12 | -LL | trait Bar : Sized { - | --- ^^^^^ ...because it requires `Self: Sized` +LL | trait Bar: Sized { + | --- ^^^^^ ...because it requires `Self: Sized` | | | this trait cannot be made into an object... -error: aborting due to 1 previous error +error[E0038]: the trait `Bar` cannot be made into an object + --> $DIR/object-safety-sized.rs:14:5 + | +LL | t + | ^ `Bar` cannot be made into an object + | +note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> + --> $DIR/object-safety-sized.rs:8:12 + | +LL | trait Bar: Sized { + | --- ^^^^^ ...because it requires `Self: Sized` + | | + | this trait cannot be made into an object... + = note: required for the cast from `&T` to `&dyn Bar` + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0038`. diff --git a/tests/ui/object-safety/object-safety-sized.object_safe_for_dispatch.stderr b/tests/ui/object-safety/object-safety-sized.object_safe_for_dispatch.stderr index 1d0ffcffd04..d988293c0e9 100644 --- a/tests/ui/object-safety/object-safety-sized.object_safe_for_dispatch.stderr +++ b/tests/ui/object-safety/object-safety-sized.object_safe_for_dispatch.stderr @@ -5,10 +5,10 @@ LL | t | ^ `Bar` cannot be made into an object | note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> - --> $DIR/object-safety-sized.rs:8:13 + --> $DIR/object-safety-sized.rs:8:12 | -LL | trait Bar : Sized { - | --- ^^^^^ ...because it requires `Self: Sized` +LL | trait Bar: Sized { + | --- ^^^^^ ...because it requires `Self: Sized` | | | this trait cannot be made into an object... = note: required for the cast from `&T` to `&dyn Bar` diff --git a/tests/ui/object-safety/object-safety-sized.rs b/tests/ui/object-safety/object-safety-sized.rs index b424b892d3b..ab7aa57611d 100644 --- a/tests/ui/object-safety/object-safety-sized.rs +++ b/tests/ui/object-safety/object-safety-sized.rs @@ -5,15 +5,14 @@ #![cfg_attr(object_safe_for_dispatch, feature(object_safe_for_dispatch))] -trait Bar : Sized { +trait Bar: Sized { fn bar<T>(&self, t: T); } -fn make_bar<T:Bar>(t: &T) -> &dyn Bar { +fn make_bar<T: Bar>(t: &T) -> &dyn Bar { //[curr]~^ ERROR E0038 t - //[object_safe_for_dispatch]~^ ERROR E0038 + //~^ ERROR E0038 } -fn main() { -} +fn main() {} diff --git a/tests/ui/overloaded/overloaded-calls-nontuple.rs b/tests/ui/overloaded/overloaded-calls-nontuple.rs index 32a3b93e0a1..aaae39d8506 100644 --- a/tests/ui/overloaded/overloaded-calls-nontuple.rs +++ b/tests/ui/overloaded/overloaded-calls-nontuple.rs @@ -20,11 +20,12 @@ impl FnOnce<isize> for S { type Output = isize; extern "rust-call" fn call_once(mut self, z: isize) -> isize { //~^ ERROR functions with the "rust-call" ABI must take a single non-self tuple argument - self.call_mut(z) + self.call_mut(z) //~ ERROR `isize` is not a tuple } } fn main() { let mut s = S { x: 1, y: 2 }; - drop(s(3)) + drop(s(3)) //~ ERROR `isize` is not a tuple + //~^ ERROR cannot use call notation } diff --git a/tests/ui/overloaded/overloaded-calls-nontuple.stderr b/tests/ui/overloaded/overloaded-calls-nontuple.stderr index 2e160078259..45a84fc4d7b 100644 --- a/tests/ui/overloaded/overloaded-calls-nontuple.stderr +++ b/tests/ui/overloaded/overloaded-calls-nontuple.stderr @@ -28,7 +28,30 @@ error[E0277]: functions with the "rust-call" ABI must take a single non-self tup LL | extern "rust-call" fn call_once(mut self, z: isize) -> isize { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `isize` -error: aborting due to 4 previous errors +error[E0277]: `isize` is not a tuple + --> $DIR/overloaded-calls-nontuple.rs:23:23 + | +LL | self.call_mut(z) + | -------- ^ the trait `Tuple` is not implemented for `isize` + | | + | required by a bound introduced by this call + | +note: required by a bound in `call_mut` + --> $SRC_DIR/core/src/ops/function.rs:LL:COL + +error[E0059]: cannot use call notation; the first type parameter for the function trait is neither a tuple nor unit + --> $DIR/overloaded-calls-nontuple.rs:29:10 + | +LL | drop(s(3)) + | ^^^^ + +error[E0277]: `isize` is not a tuple + --> $DIR/overloaded-calls-nontuple.rs:29:10 + | +LL | drop(s(3)) + | ^^^^ the trait `Tuple` is not implemented for `isize` + +error: aborting due to 7 previous errors Some errors have detailed explanations: E0059, E0277. For more information about an error, try `rustc --explain E0059`. diff --git a/tests/ui/parser/variadic-ffi-nested-syntactic-fail.rs b/tests/ui/parser/variadic-ffi-nested-syntactic-fail.rs index f1238ec240f..4da9ad84bab 100644 --- a/tests/ui/parser/variadic-ffi-nested-syntactic-fail.rs +++ b/tests/ui/parser/variadic-ffi-nested-syntactic-fail.rs @@ -5,9 +5,6 @@ fn f2<'a>(x: u8, y: Vec<&'a ...>) {} //~^ ERROR C-variadic type `...` may not be nested inside another type fn main() { - // While this is an error, wf-checks happen before typeck, and if any wf-checks - // encountered errors, we do not continue to typeck, even if the items are - // unrelated. - // FIXME(oli-obk): make this report a type mismatch again. let _recovery_witness: () = 0; + //~^ ERROR: mismatched types } diff --git a/tests/ui/parser/variadic-ffi-nested-syntactic-fail.stderr b/tests/ui/parser/variadic-ffi-nested-syntactic-fail.stderr index 7ca6a6d1bbf..8b9d676a45d 100644 --- a/tests/ui/parser/variadic-ffi-nested-syntactic-fail.stderr +++ b/tests/ui/parser/variadic-ffi-nested-syntactic-fail.stderr @@ -10,6 +10,15 @@ error[E0743]: C-variadic type `...` may not be nested inside another type LL | fn f2<'a>(x: u8, y: Vec<&'a ...>) {} | ^^^ -error: aborting due to 2 previous errors +error[E0308]: mismatched types + --> $DIR/variadic-ffi-nested-syntactic-fail.rs:8:33 + | +LL | let _recovery_witness: () = 0; + | -- ^ expected `()`, found integer + | | + | expected due to this + +error: aborting due to 3 previous errors -For more information about this error, try `rustc --explain E0743`. +Some errors have detailed explanations: E0308, E0743. +For more information about an error, try `rustc --explain E0308`. diff --git a/tests/ui/proc-macro/bad-projection.rs b/tests/ui/proc-macro/bad-projection.rs index c7cffdc9b47..c3ac624b600 100644 --- a/tests/ui/proc-macro/bad-projection.rs +++ b/tests/ui/proc-macro/bad-projection.rs @@ -14,4 +14,5 @@ trait Project { pub fn uwu() -> <() as Project>::Assoc {} //~^ ERROR the trait bound `(): Project` is not satisfied //~| ERROR the trait bound `(): Project` is not satisfied +//~| ERROR the trait bound `(): Project` is not satisfied //~| ERROR function is expected to take 1 argument, but it takes 0 arguments diff --git a/tests/ui/proc-macro/bad-projection.stderr b/tests/ui/proc-macro/bad-projection.stderr index aea5d6d7c84..8e0d8461849 100644 --- a/tests/ui/proc-macro/bad-projection.stderr +++ b/tests/ui/proc-macro/bad-projection.stderr @@ -35,7 +35,19 @@ help: this trait has no implementations, consider adding one LL | trait Project { | ^^^^^^^^^^^^^ -error: aborting due to 3 previous errors +error[E0277]: the trait bound `(): Project` is not satisfied + --> $DIR/bad-projection.rs:14:40 + | +LL | pub fn uwu() -> <() as Project>::Assoc {} + | ^^ the trait `Project` is not implemented for `()` + | +help: this trait has no implementations, consider adding one + --> $DIR/bad-projection.rs:9:1 + | +LL | trait Project { + | ^^^^^^^^^^^^^ + +error: aborting due to 4 previous errors Some errors have detailed explanations: E0277, E0593. For more information about an error, try `rustc --explain E0277`. diff --git a/tests/ui/proc-macro/issue-104884-trait-impl-sugg-err.rs b/tests/ui/proc-macro/issue-104884-trait-impl-sugg-err.rs index a0d619c4566..1e387326b2e 100644 --- a/tests/ui/proc-macro/issue-104884-trait-impl-sugg-err.rs +++ b/tests/ui/proc-macro/issue-104884-trait-impl-sugg-err.rs @@ -14,7 +14,9 @@ struct PriorityQueueEntry<T> { //~^ ERROR can't compare `PriorityQueue<T>` with `PriorityQueue<T>` //~| ERROR the trait bound `PriorityQueue<T>: Eq` is not satisfied //~| ERROR can't compare `T` with `T` +//~| ERROR `BinaryHeap<PriorityQueueEntry<T>>` is not an iterator +//~| ERROR no field `height` on type `&PriorityQueue<T>` struct PriorityQueue<T>(BinaryHeap<PriorityQueueEntry<T>>); - +//~^ ERROR can't compare `BinaryHeap<PriorityQueueEntry<T>>` with `_` fn main() {} diff --git a/tests/ui/proc-macro/issue-104884-trait-impl-sugg-err.stderr b/tests/ui/proc-macro/issue-104884-trait-impl-sugg-err.stderr index 3b2a5e70188..6fa639877d3 100644 --- a/tests/ui/proc-macro/issue-104884-trait-impl-sugg-err.stderr +++ b/tests/ui/proc-macro/issue-104884-trait-impl-sugg-err.stderr @@ -34,6 +34,38 @@ note: required by a bound in `Ord` --> $SRC_DIR/core/src/cmp.rs:LL:COL = note: this error originates in the derive macro `AddImpl` which comes from the expansion of the derive macro `PartialOrd` (in Nightly builds, run with -Z macro-backtrace for more info) -error: aborting due to 3 previous errors +error[E0277]: can't compare `BinaryHeap<PriorityQueueEntry<T>>` with `_` + --> $DIR/issue-104884-trait-impl-sugg-err.rs:20:25 + | +LL | #[derive(PartialOrd, AddImpl)] + | ---------- in this derive macro expansion +... +LL | struct PriorityQueue<T>(BinaryHeap<PriorityQueueEntry<T>>); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `BinaryHeap<PriorityQueueEntry<T>> < _` and `BinaryHeap<PriorityQueueEntry<T>> > _` + | + = help: the trait `PartialOrd<_>` is not implemented for `BinaryHeap<PriorityQueueEntry<T>>` + = note: this error originates in the derive macro `PartialOrd` (in Nightly builds, run with -Z macro-backtrace for more info) + +error[E0599]: `BinaryHeap<PriorityQueueEntry<T>>` is not an iterator + --> $DIR/issue-104884-trait-impl-sugg-err.rs:13:22 + | +LL | #[derive(PartialOrd, AddImpl)] + | ^^^^^^^ `BinaryHeap<PriorityQueueEntry<T>>` is not an iterator + | + = note: the following trait bounds were not satisfied: + `BinaryHeap<PriorityQueueEntry<T>>: Iterator` + which is required by `&mut BinaryHeap<PriorityQueueEntry<T>>: Iterator` + = note: this error originates in the derive macro `AddImpl` (in Nightly builds, run with -Z macro-backtrace for more info) + +error[E0609]: no field `height` on type `&PriorityQueue<T>` + --> $DIR/issue-104884-trait-impl-sugg-err.rs:13:22 + | +LL | #[derive(PartialOrd, AddImpl)] + | ^^^^^^^ unknown field + | + = note: this error originates in the derive macro `AddImpl` (in Nightly builds, run with -Z macro-backtrace for more info) + +error: aborting due to 6 previous errors -For more information about this error, try `rustc --explain E0277`. +Some errors have detailed explanations: E0277, E0599, E0609. +For more information about an error, try `rustc --explain E0277`. diff --git a/tests/ui/regions/regions-free-region-ordering-callee-4.rs b/tests/ui/regions/regions-free-region-ordering-callee-4.rs index de58dd0b10f..af9f3124cc7 100644 --- a/tests/ui/regions/regions-free-region-ordering-callee-4.rs +++ b/tests/ui/regions/regions-free-region-ordering-callee-4.rs @@ -6,6 +6,7 @@ fn ordering4<'a, 'b, F>(a: &'a usize, b: &'b usize, x: F) where F: FnOnce(&'a &' //~^ ERROR reference has a longer lifetime than the data it references // Do not infer ordering from closure argument types. let z: Option<&'a &'b usize> = None; + //~^ ERROR may not live long enough } fn main() {} diff --git a/tests/ui/regions/regions-free-region-ordering-callee-4.stderr b/tests/ui/regions/regions-free-region-ordering-callee-4.stderr index 1c8f1c1e472..e6218079952 100644 --- a/tests/ui/regions/regions-free-region-ordering-callee-4.stderr +++ b/tests/ui/regions/regions-free-region-ordering-callee-4.stderr @@ -15,6 +15,19 @@ note: but the referenced data is only valid for the lifetime `'b` as defined her LL | fn ordering4<'a, 'b, F>(a: &'a usize, b: &'b usize, x: F) where F: FnOnce(&'a &'b usize) { | ^^ -error: aborting due to 1 previous error +error: lifetime may not live long enough + --> $DIR/regions-free-region-ordering-callee-4.rs:8:12 + | +LL | fn ordering4<'a, 'b, F>(a: &'a usize, b: &'b usize, x: F) where F: FnOnce(&'a &'b usize) { + | -- -- lifetime `'b` defined here + | | + | lifetime `'a` defined here +... +LL | let z: Option<&'a &'b usize> = None; + | ^^^^^^^^^^^^^^^^^^^^^ requires that `'b` must outlive `'a` + | + = help: consider adding the following bound: `'b: 'a` + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0491`. diff --git a/tests/ui/regions/regions-implied-bounds-projection-gap-hr-1.rs b/tests/ui/regions/regions-implied-bounds-projection-gap-hr-1.rs index 429548f119b..4d77a551f64 100644 --- a/tests/ui/regions/regions-implied-bounds-projection-gap-hr-1.rs +++ b/tests/ui/regions/regions-implied-bounds-projection-gap-hr-1.rs @@ -21,6 +21,7 @@ trait Trait2<'a, 'b> { fn callee<'x, 'y, T>(t: &'x dyn for<'z> Trait1< <T as Trait2<'y, 'z>>::Foo >) //~^ ERROR the trait bound `for<'z> T: Trait2<'y, 'z>` is not satisfied { + //~^ ERROR the trait bound `for<'z> T: Trait2<'y, 'z>` is not satisfied } fn main() { } diff --git a/tests/ui/regions/regions-implied-bounds-projection-gap-hr-1.stderr b/tests/ui/regions/regions-implied-bounds-projection-gap-hr-1.stderr index 1555e5981c5..b17d1e0ab11 100644 --- a/tests/ui/regions/regions-implied-bounds-projection-gap-hr-1.stderr +++ b/tests/ui/regions/regions-implied-bounds-projection-gap-hr-1.stderr @@ -9,6 +9,19 @@ help: consider restricting type parameter `T` LL | fn callee<'x, 'y, T: for<'z> Trait2<'y, 'z>>(t: &'x dyn for<'z> Trait1< <T as Trait2<'y, 'z>>::Foo >) | ++++++++++++++++++++++++ -error: aborting due to 1 previous error +error[E0277]: the trait bound `for<'z> T: Trait2<'y, 'z>` is not satisfied + --> $DIR/regions-implied-bounds-projection-gap-hr-1.rs:23:1 + | +LL | / { +LL | | +LL | | } + | |_^ the trait `for<'z> Trait2<'y, 'z>` is not implemented for `T` + | +help: consider restricting type parameter `T` + | +LL | fn callee<'x, 'y, T: for<'z> Trait2<'y, 'z>>(t: &'x dyn for<'z> Trait1< <T as Trait2<'y, 'z>>::Foo >) + | ++++++++++++++++++++++++ + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/resolve/issue-3907-2.rs b/tests/ui/resolve/issue-3907-2.rs index 46f145e63e1..0ebaea08e18 100644 --- a/tests/ui/resolve/issue-3907-2.rs +++ b/tests/ui/resolve/issue-3907-2.rs @@ -10,5 +10,6 @@ struct S { fn bar(_x: Foo) {} //~^ ERROR E0038 +//~| ERROR E0277 fn main() {} diff --git a/tests/ui/resolve/issue-3907-2.stderr b/tests/ui/resolve/issue-3907-2.stderr index 2693daa3c7a..364edb788c6 100644 --- a/tests/ui/resolve/issue-3907-2.stderr +++ b/tests/ui/resolve/issue-3907-2.stderr @@ -10,6 +10,20 @@ note: for a trait to be "object safe" it needs to allow building a vtable to all LL | fn bar(); | ^^^ the trait cannot be made into an object because associated function `bar` has no `self` parameter -error: aborting due to 1 previous error +error[E0277]: the size for values of type `(dyn issue_3907::Foo + 'static)` cannot be known at compilation time + --> $DIR/issue-3907-2.rs:11:8 + | +LL | fn bar(_x: Foo) {} + | ^^ doesn't have a size known at compile-time + | + = help: the trait `Sized` is not implemented for `(dyn issue_3907::Foo + 'static)` + = help: unsized fn params are gated as an unstable feature +help: function arguments must have a statically known size, borrowed types always have a known size + | +LL | fn bar(_x: &Foo) {} + | + + +error: aborting due to 2 previous errors -For more information about this error, try `rustc --explain E0038`. +Some errors have detailed explanations: E0038, E0277. +For more information about an error, try `rustc --explain E0038`. diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/specializing-constness-2.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/specializing-constness-2.stderr index 5210a694201..e5b9493b3ce 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/specializing-constness-2.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/specializing-constness-2.stderr @@ -7,6 +7,16 @@ LL | impl<T: Default> A for T { LL | impl<T: Default + ~const Sup> const A for T { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation -error: aborting due to 1 previous error +error[E0308]: mismatched types + --> $DIR/specializing-constness-2.rs:27:5 + | +LL | <T as A>::a(); + | ^^^^^^^^^^^^^ expected `host`, found `true` + | + = note: expected constant `host` + found constant `true` + +error: aborting due to 2 previous errors -For more information about this error, try `rustc --explain E0119`. +Some errors have detailed explanations: E0119, E0308. +For more information about an error, try `rustc --explain E0119`. diff --git a/tests/ui/self/arbitrary-self-from-method-substs.default.stderr b/tests/ui/self/arbitrary-self-from-method-substs.default.stderr index 4cc69666b88..bd0519f66c0 100644 --- a/tests/ui/self/arbitrary-self-from-method-substs.default.stderr +++ b/tests/ui/self/arbitrary-self-from-method-substs.default.stderr @@ -9,6 +9,7 @@ LL | fn get<R: Deref<Target = Self>>(self: R) -> u32 { = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`) +ERROR rustc_hir_typeck::method::confirm Foo was a subtype of &Foo but now is not? error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0658`. diff --git a/tests/ui/simd/array-trait.rs b/tests/ui/simd/array-trait.rs index 883d718c49b..27a7df17d66 100644 --- a/tests/ui/simd/array-trait.rs +++ b/tests/ui/simd/array-trait.rs @@ -23,6 +23,7 @@ impl Simd for i32x4 { pub struct T<S: Simd>([S::Lane; S::SIZE]); //~^ ERROR unconstrained generic constant //~| ERROR SIMD vector element type should be a primitive scalar +//~| ERROR unconstrained generic constant extern "platform-intrinsic" { fn simd_insert<T, E>(x: T, idx: u32, y: E) -> T; @@ -37,6 +38,7 @@ pub fn main() { } for i in 0_i32..4 { assert_eq!(i, simd_extract(t, i as u32)); + //~^ ERROR: use of moved value: `t` } } } diff --git a/tests/ui/simd/array-trait.stderr b/tests/ui/simd/array-trait.stderr index cf6026912aa..bbaead569df 100644 --- a/tests/ui/simd/array-trait.stderr +++ b/tests/ui/simd/array-trait.stderr @@ -12,6 +12,29 @@ error[E0077]: SIMD vector element type should be a primitive scalar (integer/flo LL | pub struct T<S: Simd>([S::Lane; S::SIZE]); | ^^^^^^^^^^^^^^^^^^^^^ -error: aborting due to 2 previous errors +error: unconstrained generic constant + --> $DIR/array-trait.rs:23:23 + | +LL | #[derive(Copy, Clone)] + | ----- in this derive macro expansion +LL | pub struct T<S: Simd>([S::Lane; S::SIZE]); + | ^^^^^^^^^^^^^^^^^^ + | + = help: try adding a `where` bound using this expression: `where [(); S::SIZE]:` + = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) + +error[E0382]: use of moved value: `t` + --> $DIR/array-trait.rs:40:40 + | +LL | let mut t = T::<i32x4>([0; 4]); + | ----- move occurs because `t` has type `T<i32x4>`, which does not implement the `Copy` trait +... +LL | for i in 0_i32..4 { + | ----------------- inside of this loop +LL | assert_eq!(i, simd_extract(t, i as u32)); + | ^ value moved here, in previous iteration of loop + +error: aborting due to 4 previous errors -For more information about this error, try `rustc --explain E0077`. +Some errors have detailed explanations: E0077, E0382. +For more information about an error, try `rustc --explain E0077`. diff --git a/tests/ui/specialization/min_specialization/bad-const-wf-doesnt-specialize.rs b/tests/ui/specialization/min_specialization/bad-const-wf-doesnt-specialize.rs index a0ee7714417..f89a463bc58 100644 --- a/tests/ui/specialization/min_specialization/bad-const-wf-doesnt-specialize.rs +++ b/tests/ui/specialization/min_specialization/bad-const-wf-doesnt-specialize.rs @@ -6,6 +6,7 @@ struct S<const L: usize>; impl<const N: i32> Copy for S<N> {} +//~^ ERROR: mismatched types impl<const M: usize> Copy for S<M> {} //~^ ERROR: conflicting implementations of trait `Copy` for type `S<_>` diff --git a/tests/ui/specialization/min_specialization/bad-const-wf-doesnt-specialize.stderr b/tests/ui/specialization/min_specialization/bad-const-wf-doesnt-specialize.stderr index 2953bc95917..1dac58e1f69 100644 --- a/tests/ui/specialization/min_specialization/bad-const-wf-doesnt-specialize.stderr +++ b/tests/ui/specialization/min_specialization/bad-const-wf-doesnt-specialize.stderr @@ -1,11 +1,19 @@ error[E0119]: conflicting implementations of trait `Copy` for type `S<_>` - --> $DIR/bad-const-wf-doesnt-specialize.rs:9:1 + --> $DIR/bad-const-wf-doesnt-specialize.rs:10:1 | LL | impl<const N: i32> Copy for S<N> {} | -------------------------------- first implementation here +LL | LL | impl<const M: usize> Copy for S<M> {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `S<_>` -error: aborting due to 1 previous error +error[E0308]: mismatched types + --> $DIR/bad-const-wf-doesnt-specialize.rs:8:31 + | +LL | impl<const N: i32> Copy for S<N> {} + | ^ expected `usize`, found `i32` + +error: aborting due to 2 previous errors -For more information about this error, try `rustc --explain E0119`. +Some errors have detailed explanations: E0119, E0308. +For more information about an error, try `rustc --explain E0119`. diff --git a/tests/ui/specialization/min_specialization/issue-79224.rs b/tests/ui/specialization/min_specialization/issue-79224.rs index a118cb28b38..6ddd3d79ccf 100644 --- a/tests/ui/specialization/min_specialization/issue-79224.rs +++ b/tests/ui/specialization/min_specialization/issue-79224.rs @@ -20,6 +20,7 @@ impl<B: ?Sized> Display for Cow<'_, B> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { //~^ ERROR: the trait bound `B: Clone` is not satisfied [E0277] //~| ERROR: the trait bound `B: Clone` is not satisfied [E0277] + //~| ERROR: the trait bound `B: Clone` is not satisfied [E0277] write!(f, "foo") } } diff --git a/tests/ui/specialization/min_specialization/issue-79224.stderr b/tests/ui/specialization/min_specialization/issue-79224.stderr index da19ed44ce6..db88be88a81 100644 --- a/tests/ui/specialization/min_specialization/issue-79224.stderr +++ b/tests/ui/specialization/min_specialization/issue-79224.stderr @@ -34,6 +34,24 @@ help: consider further restricting this bound LL | impl<B: ?Sized + std::clone::Clone> Display for Cow<'_, B> { | +++++++++++++++++++ -error: aborting due to 3 previous errors +error[E0277]: the trait bound `B: Clone` is not satisfied + --> $DIR/issue-79224.rs:20:62 + | +LL | fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + | ______________________________________________________________^ +LL | | +LL | | +LL | | +LL | | write!(f, "foo") +LL | | } + | |_____^ the trait `Clone` is not implemented for `B`, which is required by `B: ToOwned` + | + = note: required for `B` to implement `ToOwned` +help: consider further restricting this bound + | +LL | impl<B: ?Sized + std::clone::Clone> Display for Cow<'_, B> { + | +++++++++++++++++++ + +error: aborting due to 4 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/suggestions/fn-trait-notation.fixed b/tests/ui/suggestions/fn-trait-notation.fixed index 6cb97df4a85..fcf00a17002 100644 --- a/tests/ui/suggestions/fn-trait-notation.fixed +++ b/tests/ui/suggestions/fn-trait-notation.fixed @@ -7,12 +7,14 @@ where H: Fn(i32) -> i32, //~ ERROR E0658 { f(3); + //~^ ERROR: cannot use call notation + //~| ERROR: `i32` is not a tuple g(3, 4); h(3) } fn main() { - e0658( + e0658( //~ ERROR: mismatched types |a| a, |a, b| (b, a), |a| a, diff --git a/tests/ui/suggestions/fn-trait-notation.rs b/tests/ui/suggestions/fn-trait-notation.rs index 91251614930..715bcf71d47 100644 --- a/tests/ui/suggestions/fn-trait-notation.rs +++ b/tests/ui/suggestions/fn-trait-notation.rs @@ -7,12 +7,14 @@ where H: Fn<(i32,), Output = i32>, //~ ERROR E0658 { f(3); + //~^ ERROR: cannot use call notation + //~| ERROR: `i32` is not a tuple g(3, 4); h(3) } fn main() { - e0658( + e0658( //~ ERROR: mismatched types |a| a, |a, b| (b, a), |a| a, diff --git a/tests/ui/suggestions/fn-trait-notation.stderr b/tests/ui/suggestions/fn-trait-notation.stderr index b221af18bfc..9b47c8c02a7 100644 --- a/tests/ui/suggestions/fn-trait-notation.stderr +++ b/tests/ui/suggestions/fn-trait-notation.stderr @@ -37,7 +37,40 @@ LL | F: Fn<i32, Output = i32>, note: required by a bound in `Fn` --> $SRC_DIR/core/src/ops/function.rs:LL:COL -error: aborting due to 4 previous errors +error[E0059]: cannot use call notation; the first type parameter for the function trait is neither a tuple nor unit + --> $DIR/fn-trait-notation.rs:9:5 + | +LL | f(3); + | ^^^^ + +error[E0277]: `i32` is not a tuple + --> $DIR/fn-trait-notation.rs:9:5 + | +LL | f(3); + | ^^^^ the trait `Tuple` is not implemented for `i32` + +error[E0308]: mismatched types + --> $DIR/fn-trait-notation.rs:17:5 + | +LL | / e0658( +LL | | |a| a, +LL | | |a, b| (b, a), +LL | | |a| a, +LL | | ); + | |_____^ types differ + | + = note: expected trait `Fn<i32>` + found trait `Fn(_)` +note: required by a bound in `e0658` + --> $DIR/fn-trait-notation.rs:4:8 + | +LL | fn e0658<F, G, H>(f: F, g: G, h: H) -> i32 + | ----- required by a bound in this function +LL | where +LL | F: Fn<i32, Output = i32>, + | ^^^^^^^^^^^^^^^^^^^^^ required by this bound in `e0658` + +error: aborting due to 7 previous errors -Some errors have detailed explanations: E0059, E0658. +Some errors have detailed explanations: E0059, E0277, E0308, E0658. For more information about an error, try `rustc --explain E0059`. diff --git a/tests/ui/suggestions/missing-bound-in-derive-copy-impl-2.fixed b/tests/ui/suggestions/missing-bound-in-derive-copy-impl-2.fixed index ac0b14fba83..269ebd2b75a 100644 --- a/tests/ui/suggestions/missing-bound-in-derive-copy-impl-2.fixed +++ b/tests/ui/suggestions/missing-bound-in-derive-copy-impl-2.fixed @@ -2,15 +2,17 @@ use std::fmt::Debug; #[derive(Debug, Copy, Clone)] -pub struct Vector2<T: Debug + Copy + Clone>{ +pub struct Vector2<T: Debug + Copy + Clone> { pub x: T, - pub y: T + pub y: T, } #[derive(Debug, Copy, Clone)] -pub struct AABB<K: Debug + std::marker::Copy>{ +pub struct AABB<K: Debug + std::marker::Copy + std::marker::Copy + std::marker::Copy + std::marker::Copy> { pub loc: Vector2<K>, //~ ERROR the trait bound `K: Copy` is not satisfied - pub size: Vector2<K> + //~^ ERROR the trait bound `K: Copy` is not satisfied + //~| ERROR the trait bound `K: Copy` is not satisfied + pub size: Vector2<K>, //~ ERROR the trait bound `K: Copy` is not satisfied } fn main() {} diff --git a/tests/ui/suggestions/missing-bound-in-derive-copy-impl-2.rs b/tests/ui/suggestions/missing-bound-in-derive-copy-impl-2.rs index 31f8cd6fcf7..e9455f918bc 100644 --- a/tests/ui/suggestions/missing-bound-in-derive-copy-impl-2.rs +++ b/tests/ui/suggestions/missing-bound-in-derive-copy-impl-2.rs @@ -2,15 +2,17 @@ use std::fmt::Debug; #[derive(Debug, Copy, Clone)] -pub struct Vector2<T: Debug + Copy + Clone>{ +pub struct Vector2<T: Debug + Copy + Clone> { pub x: T, - pub y: T + pub y: T, } #[derive(Debug, Copy, Clone)] -pub struct AABB<K: Debug>{ +pub struct AABB<K: Debug> { pub loc: Vector2<K>, //~ ERROR the trait bound `K: Copy` is not satisfied - pub size: Vector2<K> + //~^ ERROR the trait bound `K: Copy` is not satisfied + //~| ERROR the trait bound `K: Copy` is not satisfied + pub size: Vector2<K>, //~ ERROR the trait bound `K: Copy` is not satisfied } fn main() {} diff --git a/tests/ui/suggestions/missing-bound-in-derive-copy-impl-2.stderr b/tests/ui/suggestions/missing-bound-in-derive-copy-impl-2.stderr index f9db1e1ec00..a2a78ddc705 100644 --- a/tests/ui/suggestions/missing-bound-in-derive-copy-impl-2.stderr +++ b/tests/ui/suggestions/missing-bound-in-derive-copy-impl-2.stderr @@ -7,13 +7,80 @@ LL | pub loc: Vector2<K>, note: required by a bound in `Vector2` --> $DIR/missing-bound-in-derive-copy-impl-2.rs:5:31 | -LL | pub struct Vector2<T: Debug + Copy + Clone>{ +LL | pub struct Vector2<T: Debug + Copy + Clone> { | ^^^^ required by this bound in `Vector2` help: consider further restricting this bound | -LL | pub struct AABB<K: Debug + std::marker::Copy>{ +LL | pub struct AABB<K: Debug + std::marker::Copy> { | +++++++++++++++++++ -error: aborting due to 1 previous error +error[E0277]: the trait bound `K: Copy` is not satisfied + --> $DIR/missing-bound-in-derive-copy-impl-2.rs:12:5 + | +LL | #[derive(Debug, Copy, Clone)] + | ----- in this derive macro expansion +LL | pub struct AABB<K: Debug> { +LL | pub loc: Vector2<K>, + | ^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `K`, which is required by `Vector2<K>: Debug` + | +note: required for `Vector2<K>` to implement `Debug` + --> $DIR/missing-bound-in-derive-copy-impl-2.rs:4:10 + | +LL | #[derive(Debug, Copy, Clone)] + | ^^^^^ +LL | pub struct Vector2<T: Debug + Copy + Clone> { + | ---- unsatisfied trait bound introduced in this `derive` macro + = note: required for the cast from `&Vector2<K>` to `&dyn Debug` + = note: this error originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) +help: consider further restricting this bound + | +LL | pub struct AABB<K: Debug + std::marker::Copy> { + | +++++++++++++++++++ + +error[E0277]: the trait bound `K: Copy` is not satisfied + --> $DIR/missing-bound-in-derive-copy-impl-2.rs:12:5 + | +LL | #[derive(Debug, Copy, Clone)] + | ----- in this derive macro expansion +LL | pub struct AABB<K: Debug> { +LL | pub loc: Vector2<K>, + | ^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `K`, which is required by `Vector2<K>: Clone` + | +note: required for `Vector2<K>` to implement `Clone` + --> $DIR/missing-bound-in-derive-copy-impl-2.rs:4:23 + | +LL | #[derive(Debug, Copy, Clone)] + | ^^^^^ +LL | pub struct Vector2<T: Debug + Copy + Clone> { + | ---- unsatisfied trait bound introduced in this `derive` macro + = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) +help: consider further restricting this bound + | +LL | pub struct AABB<K: Debug + std::marker::Copy> { + | +++++++++++++++++++ + +error[E0277]: the trait bound `K: Copy` is not satisfied + --> $DIR/missing-bound-in-derive-copy-impl-2.rs:15:5 + | +LL | #[derive(Debug, Copy, Clone)] + | ----- in this derive macro expansion +... +LL | pub size: Vector2<K>, + | ^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `K`, which is required by `Vector2<K>: Clone` + | +note: required for `Vector2<K>` to implement `Clone` + --> $DIR/missing-bound-in-derive-copy-impl-2.rs:4:23 + | +LL | #[derive(Debug, Copy, Clone)] + | ^^^^^ +LL | pub struct Vector2<T: Debug + Copy + Clone> { + | ---- unsatisfied trait bound introduced in this `derive` macro + = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) +help: consider further restricting this bound + | +LL | pub struct AABB<K: Debug + std::marker::Copy> { + | +++++++++++++++++++ + +error: aborting due to 4 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/suggestions/missing-bound-in-derive-copy-impl-3.fixed b/tests/ui/suggestions/missing-bound-in-derive-copy-impl-3.fixed index 53476ee8c59..8a91e2d5f0d 100644 --- a/tests/ui/suggestions/missing-bound-in-derive-copy-impl-3.fixed +++ b/tests/ui/suggestions/missing-bound-in-derive-copy-impl-3.fixed @@ -8,9 +8,10 @@ pub struct Vector2<T: Debug + Copy + Clone>{ } #[derive(Debug, Copy, Clone)] //~ ERROR the trait `Copy` cannot be implemented for this type -pub struct AABB<K: Copy + Debug + std::fmt::Debug>{ +pub struct AABB<K: Copy + Debug + std::fmt::Debug + std::fmt::Debug + std::fmt::Debug>{ pub loc: Vector2<K>, //~ ERROR `K` doesn't implement `Debug` - pub size: Vector2<K> + //~^ ERROR `K` doesn't implement `Debug` + pub size: Vector2<K> //~ ERROR `K` doesn't implement `Debug` } fn main() {} diff --git a/tests/ui/suggestions/missing-bound-in-derive-copy-impl-3.rs b/tests/ui/suggestions/missing-bound-in-derive-copy-impl-3.rs index 08c4f344e4e..c10f9d46010 100644 --- a/tests/ui/suggestions/missing-bound-in-derive-copy-impl-3.rs +++ b/tests/ui/suggestions/missing-bound-in-derive-copy-impl-3.rs @@ -10,7 +10,8 @@ pub struct Vector2<T: Debug + Copy + Clone>{ #[derive(Debug, Copy, Clone)] //~ ERROR the trait `Copy` cannot be implemented for this type pub struct AABB<K: Copy>{ pub loc: Vector2<K>, //~ ERROR `K` doesn't implement `Debug` - pub size: Vector2<K> + //~^ ERROR `K` doesn't implement `Debug` + pub size: Vector2<K> //~ ERROR `K` doesn't implement `Debug` } fn main() {} diff --git a/tests/ui/suggestions/missing-bound-in-derive-copy-impl-3.stderr b/tests/ui/suggestions/missing-bound-in-derive-copy-impl-3.stderr index bfb96b4076b..2ade0e974e4 100644 --- a/tests/ui/suggestions/missing-bound-in-derive-copy-impl-3.stderr +++ b/tests/ui/suggestions/missing-bound-in-derive-copy-impl-3.stderr @@ -34,7 +34,37 @@ help: consider further restricting this bound LL | pub struct AABB<K: Copy + std::fmt::Debug>{ | +++++++++++++++++ -error: aborting due to 2 previous errors +error[E0277]: `K` doesn't implement `Debug` + --> $DIR/missing-bound-in-derive-copy-impl-3.rs:12:5 + | +LL | #[derive(Debug, Copy, Clone)] + | ----- in this derive macro expansion +LL | pub struct AABB<K: Copy>{ +LL | pub loc: Vector2<K>, + | ^^^^^^^^^^^^^^^^^^^ `K` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | + = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) +help: consider further restricting this bound + | +LL | pub struct AABB<K: Copy + std::fmt::Debug>{ + | +++++++++++++++++ + +error[E0277]: `K` doesn't implement `Debug` + --> $DIR/missing-bound-in-derive-copy-impl-3.rs:14:5 + | +LL | #[derive(Debug, Copy, Clone)] + | ----- in this derive macro expansion +... +LL | pub size: Vector2<K> + | ^^^^^^^^^^^^^^^^^^^^ `K` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | + = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) +help: consider further restricting this bound + | +LL | pub struct AABB<K: Copy + std::fmt::Debug>{ + | +++++++++++++++++ + +error: aborting due to 4 previous errors Some errors have detailed explanations: E0204, E0277. For more information about an error, try `rustc --explain E0204`. diff --git a/tests/ui/suggestions/missing-bound-in-derive-copy-impl.rs b/tests/ui/suggestions/missing-bound-in-derive-copy-impl.rs index 2f1ebc1f133..0ffc1b8f7a2 100644 --- a/tests/ui/suggestions/missing-bound-in-derive-copy-impl.rs +++ b/tests/ui/suggestions/missing-bound-in-derive-copy-impl.rs @@ -1,17 +1,22 @@ use std::fmt::Debug; #[derive(Debug, Copy, Clone)] -pub struct Vector2<T: Debug + Copy + Clone>{ +pub struct Vector2<T: Debug + Copy + Clone> { pub x: T, - pub y: T + pub y: T, } #[derive(Debug, Copy, Clone)] //~ ERROR the trait `Copy` cannot be implemented for this type -pub struct AABB<K>{ +pub struct AABB<K> { pub loc: Vector2<K>, //~^ ERROR doesn't implement `Debug` //~| ERROR `K: Copy` is not satisfied - pub size: Vector2<K> + //~| ERROR doesn't implement `Debug` + //~| ERROR `K: Copy` is not satisfied + //~| ERROR `K: Copy` is not satisfied + pub size: Vector2<K>, + //~^ ERROR doesn't implement `Debug` + //~| ERROR `K: Copy` is not satisfied } fn main() {} diff --git a/tests/ui/suggestions/missing-bound-in-derive-copy-impl.stderr b/tests/ui/suggestions/missing-bound-in-derive-copy-impl.stderr index f3213e1a4c8..2ae0871b815 100644 --- a/tests/ui/suggestions/missing-bound-in-derive-copy-impl.stderr +++ b/tests/ui/suggestions/missing-bound-in-derive-copy-impl.stderr @@ -3,7 +3,7 @@ error[E0204]: the trait `Copy` cannot be implemented for this type | LL | #[derive(Debug, Copy, Clone)] | ^^^^ -LL | pub struct AABB<K>{ +LL | pub struct AABB<K> { LL | pub loc: Vector2<K>, | ------------------- this field does not implement `Copy` | @@ -15,7 +15,7 @@ LL | pub loc: Vector2<K>, = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider restricting type parameter `K` | -LL | pub struct AABB<K: Debug>{ +LL | pub struct AABB<K: Debug> { | +++++++ error[E0277]: `K` doesn't implement `Debug` @@ -27,11 +27,11 @@ LL | pub loc: Vector2<K>, note: required by a bound in `Vector2` --> $DIR/missing-bound-in-derive-copy-impl.rs:4:23 | -LL | pub struct Vector2<T: Debug + Copy + Clone>{ +LL | pub struct Vector2<T: Debug + Copy + Clone> { | ^^^^^ required by this bound in `Vector2` help: consider restricting type parameter `K` | -LL | pub struct AABB<K: std::fmt::Debug>{ +LL | pub struct AABB<K: std::fmt::Debug> { | +++++++++++++++++ error[E0277]: the trait bound `K: Copy` is not satisfied @@ -43,14 +43,111 @@ LL | pub loc: Vector2<K>, note: required by a bound in `Vector2` --> $DIR/missing-bound-in-derive-copy-impl.rs:4:31 | -LL | pub struct Vector2<T: Debug + Copy + Clone>{ +LL | pub struct Vector2<T: Debug + Copy + Clone> { | ^^^^ required by this bound in `Vector2` help: consider restricting type parameter `K` | -LL | pub struct AABB<K: std::marker::Copy>{ +LL | pub struct AABB<K: std::marker::Copy> { | +++++++++++++++++++ -error: aborting due to 3 previous errors +error[E0277]: the trait bound `K: Copy` is not satisfied + --> $DIR/missing-bound-in-derive-copy-impl.rs:11:5 + | +LL | #[derive(Debug, Copy, Clone)] + | ----- in this derive macro expansion +LL | pub struct AABB<K> { +LL | pub loc: Vector2<K>, + | ^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `K`, which is required by `Vector2<K>: Debug` + | +note: required for `Vector2<K>` to implement `Debug` + --> $DIR/missing-bound-in-derive-copy-impl.rs:3:10 + | +LL | #[derive(Debug, Copy, Clone)] + | ^^^^^ +LL | pub struct Vector2<T: Debug + Copy + Clone> { + | ---- unsatisfied trait bound introduced in this `derive` macro + = note: required for the cast from `&Vector2<K>` to `&dyn Debug` + = note: this error originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) +help: consider restricting type parameter `K` + | +LL | pub struct AABB<K: std::marker::Copy> { + | +++++++++++++++++++ + +error[E0277]: `K` doesn't implement `Debug` + --> $DIR/missing-bound-in-derive-copy-impl.rs:11:5 + | +LL | #[derive(Debug, Copy, Clone)] + | ----- in this derive macro expansion +LL | pub struct AABB<K> { +LL | pub loc: Vector2<K>, + | ^^^^^^^^^^^^^^^^^^^ `K` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | + = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) +help: consider restricting type parameter `K` + | +LL | pub struct AABB<K: std::fmt::Debug> { + | +++++++++++++++++ + +error[E0277]: the trait bound `K: Copy` is not satisfied + --> $DIR/missing-bound-in-derive-copy-impl.rs:11:5 + | +LL | #[derive(Debug, Copy, Clone)] + | ----- in this derive macro expansion +LL | pub struct AABB<K> { +LL | pub loc: Vector2<K>, + | ^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `K`, which is required by `Vector2<K>: Clone` + | +note: required for `Vector2<K>` to implement `Clone` + --> $DIR/missing-bound-in-derive-copy-impl.rs:3:23 + | +LL | #[derive(Debug, Copy, Clone)] + | ^^^^^ +LL | pub struct Vector2<T: Debug + Copy + Clone> { + | ---- unsatisfied trait bound introduced in this `derive` macro + = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) +help: consider restricting type parameter `K` + | +LL | pub struct AABB<K: std::marker::Copy> { + | +++++++++++++++++++ + +error[E0277]: `K` doesn't implement `Debug` + --> $DIR/missing-bound-in-derive-copy-impl.rs:17:5 + | +LL | #[derive(Debug, Copy, Clone)] + | ----- in this derive macro expansion +... +LL | pub size: Vector2<K>, + | ^^^^^^^^^^^^^^^^^^^^ `K` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | + = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) +help: consider restricting type parameter `K` + | +LL | pub struct AABB<K: std::fmt::Debug> { + | +++++++++++++++++ + +error[E0277]: the trait bound `K: Copy` is not satisfied + --> $DIR/missing-bound-in-derive-copy-impl.rs:17:5 + | +LL | #[derive(Debug, Copy, Clone)] + | ----- in this derive macro expansion +... +LL | pub size: Vector2<K>, + | ^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `K`, which is required by `Vector2<K>: Clone` + | +note: required for `Vector2<K>` to implement `Clone` + --> $DIR/missing-bound-in-derive-copy-impl.rs:3:23 + | +LL | #[derive(Debug, Copy, Clone)] + | ^^^^^ +LL | pub struct Vector2<T: Debug + Copy + Clone> { + | ---- unsatisfied trait bound introduced in this `derive` macro + = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) +help: consider restricting type parameter `K` + | +LL | pub struct AABB<K: std::marker::Copy> { + | +++++++++++++++++++ + +error: aborting due to 8 previous errors Some errors have detailed explanations: E0204, E0277. For more information about an error, try `rustc --explain E0204`. diff --git a/tests/ui/suggestions/object-unsafe-trait-references-self.rs b/tests/ui/suggestions/object-unsafe-trait-references-self.rs index 07bf053e996..4b3d5faba46 100644 --- a/tests/ui/suggestions/object-unsafe-trait-references-self.rs +++ b/tests/ui/suggestions/object-unsafe-trait-references-self.rs @@ -1,6 +1,9 @@ trait Trait { fn baz(&self, _: Self) {} + //~^ ERROR the size for values of type `Self` cannot be known fn bat(&self) -> Self {} + //~^ ERROR mismatched types + //~| ERROR the size for values of type `Self` cannot be known } fn bar(x: &dyn Trait) {} //~ ERROR the trait `Trait` cannot be made into an object diff --git a/tests/ui/suggestions/object-unsafe-trait-references-self.stderr b/tests/ui/suggestions/object-unsafe-trait-references-self.stderr index 54f19fe9da4..64270068471 100644 --- a/tests/ui/suggestions/object-unsafe-trait-references-self.stderr +++ b/tests/ui/suggestions/object-unsafe-trait-references-self.stderr @@ -1,5 +1,5 @@ error[E0038]: the trait `Trait` cannot be made into an object - --> $DIR/object-unsafe-trait-references-self.rs:6:12 + --> $DIR/object-unsafe-trait-references-self.rs:9:12 | LL | fn bar(x: &dyn Trait) {} | ^^^^^^^^^ `Trait` cannot be made into an object @@ -11,25 +11,67 @@ LL | trait Trait { | ----- this trait cannot be made into an object... LL | fn baz(&self, _: Self) {} | ^^^^ ...because method `baz` references the `Self` type in this parameter +LL | LL | fn bat(&self) -> Self {} | ^^^^ ...because method `bat` references the `Self` type in its return type = help: consider moving `baz` to another trait = help: consider moving `bat` to another trait error[E0038]: the trait `Other` cannot be made into an object - --> $DIR/object-unsafe-trait-references-self.rs:10:12 + --> $DIR/object-unsafe-trait-references-self.rs:13:12 | LL | fn foo(x: &dyn Other) {} | ^^^^^^^^^ `Other` cannot be made into an object | note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> - --> $DIR/object-unsafe-trait-references-self.rs:8:14 + --> $DIR/object-unsafe-trait-references-self.rs:11:14 | LL | trait Other: Sized {} | ----- ^^^^^ ...because it requires `Self: Sized` | | | this trait cannot be made into an object... -error: aborting due to 2 previous errors +error[E0277]: the size for values of type `Self` cannot be known at compilation time + --> $DIR/object-unsafe-trait-references-self.rs:2:19 + | +LL | fn baz(&self, _: Self) {} + | ^ doesn't have a size known at compile-time + | + = help: unsized fn params are gated as an unstable feature +help: consider further restricting `Self` + | +LL | fn baz(&self, _: Self) where Self: Sized {} + | +++++++++++++++++ +help: function arguments must have a statically known size, borrowed types always have a known size + | +LL | fn baz(&self, _: &Self) {} + | + + +error[E0308]: mismatched types + --> $DIR/object-unsafe-trait-references-self.rs:4:27 + | +LL | trait Trait { + | ----------- expected this type parameter +... +LL | fn bat(&self) -> Self {} + | ^^ expected type parameter `Self`, found `()` + | + = note: expected type parameter `Self` + found unit type `()` + +error[E0277]: the size for values of type `Self` cannot be known at compilation time + --> $DIR/object-unsafe-trait-references-self.rs:4:22 + | +LL | fn bat(&self) -> Self {} + | ^^^^ doesn't have a size known at compile-time + | + = note: the return type of a function must have a statically known size +help: consider further restricting `Self` + | +LL | fn bat(&self) -> Self where Self: Sized {} + | +++++++++++++++++ + +error: aborting due to 5 previous errors -For more information about this error, try `rustc --explain E0038`. +Some errors have detailed explanations: E0038, E0277, E0308. +For more information about an error, try `rustc --explain E0038`. diff --git a/tests/ui/trait-bounds/impl-bound-with-references-error.rs b/tests/ui/trait-bounds/impl-bound-with-references-error.rs index e5d0a1aaed0..5ba35da8383 100644 --- a/tests/ui/trait-bounds/impl-bound-with-references-error.rs +++ b/tests/ui/trait-bounds/impl-bound-with-references-error.rs @@ -13,7 +13,7 @@ where //~^ ERROR cannot find type `Cow` in this scope [E0412] { fn from(text: T) -> Self { - LabelText::Plain(text.into()) + LabelText::Plain(text.into()) //~ ERROR expected function, found `LabelText` } } diff --git a/tests/ui/trait-bounds/impl-bound-with-references-error.stderr b/tests/ui/trait-bounds/impl-bound-with-references-error.stderr index 63280b8616f..b3ac5544e38 100644 --- a/tests/ui/trait-bounds/impl-bound-with-references-error.stderr +++ b/tests/ui/trait-bounds/impl-bound-with-references-error.stderr @@ -21,7 +21,18 @@ LL | | T: Into<Cow<'static, str>>, = note: conflicting implementation in crate `core`: - impl<T> From<T> for T; -error: aborting due to 2 previous errors +error[E0618]: expected function, found `LabelText` + --> $DIR/impl-bound-with-references-error.rs:16:9 + | +LL | Plain, + | ----- `LabelText::Plain` defined here +... +LL | LabelText::Plain(text.into()) + | ^^^^^^^^^^^^^^^^------------- + | | + | call expression requires function + +error: aborting due to 3 previous errors -Some errors have detailed explanations: E0119, E0412. +Some errors have detailed explanations: E0119, E0412, E0618. For more information about an error, try `rustc --explain E0119`. diff --git a/tests/ui/trait-impl-bound-suggestions.fixed b/tests/ui/trait-impl-bound-suggestions.fixed index fb11286a175..342841b4838 100644 --- a/tests/ui/trait-impl-bound-suggestions.fixed +++ b/tests/ui/trait-impl-bound-suggestions.fixed @@ -10,19 +10,21 @@ struct ConstrainedStruct<X: Copy> { } #[allow(dead_code)] -trait InsufficientlyConstrainedGeneric<X=()> where X: std::marker::Copy { +trait InsufficientlyConstrainedGeneric<X=()> where Self: Sized, X: std::marker::Copy, X: std::marker::Copy { fn return_the_constrained_type(&self, x: X) -> ConstrainedStruct<X> { //~^ ERROR the trait bound `X: Copy` is not satisfied ConstrainedStruct { x } + //~^ ERROR the trait bound `X: Copy` is not satisfied } } // Regression test for #120838 #[allow(dead_code)] -trait InsufficientlyConstrainedGenericWithEmptyWhere<X=()> where X: std::marker::Copy { +trait InsufficientlyConstrainedGenericWithEmptyWhere<X=()> where Self: Sized, X: std::marker::Copy, X: std::marker::Copy { fn return_the_constrained_type(&self, x: X) -> ConstrainedStruct<X> { //~^ ERROR the trait bound `X: Copy` is not satisfied ConstrainedStruct { x } + //~^ ERROR the trait bound `X: Copy` is not satisfied } } diff --git a/tests/ui/trait-impl-bound-suggestions.rs b/tests/ui/trait-impl-bound-suggestions.rs index 46130a5e766..9a494402260 100644 --- a/tests/ui/trait-impl-bound-suggestions.rs +++ b/tests/ui/trait-impl-bound-suggestions.rs @@ -10,19 +10,21 @@ struct ConstrainedStruct<X: Copy> { } #[allow(dead_code)] -trait InsufficientlyConstrainedGeneric<X=()> { +trait InsufficientlyConstrainedGeneric<X=()> where Self: Sized { fn return_the_constrained_type(&self, x: X) -> ConstrainedStruct<X> { //~^ ERROR the trait bound `X: Copy` is not satisfied ConstrainedStruct { x } + //~^ ERROR the trait bound `X: Copy` is not satisfied } } // Regression test for #120838 #[allow(dead_code)] -trait InsufficientlyConstrainedGenericWithEmptyWhere<X=()> where { +trait InsufficientlyConstrainedGenericWithEmptyWhere<X=()> where Self: Sized { fn return_the_constrained_type(&self, x: X) -> ConstrainedStruct<X> { //~^ ERROR the trait bound `X: Copy` is not satisfied ConstrainedStruct { x } + //~^ ERROR the trait bound `X: Copy` is not satisfied } } diff --git a/tests/ui/trait-impl-bound-suggestions.stderr b/tests/ui/trait-impl-bound-suggestions.stderr index 9883c5bda01..6a75cbdf639 100644 --- a/tests/ui/trait-impl-bound-suggestions.stderr +++ b/tests/ui/trait-impl-bound-suggestions.stderr @@ -11,11 +11,11 @@ LL | struct ConstrainedStruct<X: Copy> { | ^^^^ required by this bound in `ConstrainedStruct` help: consider further restricting type parameter `X` | -LL | trait InsufficientlyConstrainedGeneric<X=()> where X: std::marker::Copy { - | ++++++++++++++++++++++++++ +LL | trait InsufficientlyConstrainedGeneric<X=()> where Self: Sized, X: std::marker::Copy { + | ++++++++++++++++++++++ error[E0277]: the trait bound `X: Copy` is not satisfied - --> $DIR/trait-impl-bound-suggestions.rs:23:52 + --> $DIR/trait-impl-bound-suggestions.rs:24:52 | LL | fn return_the_constrained_type(&self, x: X) -> ConstrainedStruct<X> { | ^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `X` @@ -27,9 +27,41 @@ LL | struct ConstrainedStruct<X: Copy> { | ^^^^ required by this bound in `ConstrainedStruct` help: consider further restricting type parameter `X` | -LL | trait InsufficientlyConstrainedGenericWithEmptyWhere<X=()> where X: std::marker::Copy { - | ++++++++++++++++++++ +LL | trait InsufficientlyConstrainedGenericWithEmptyWhere<X=()> where Self: Sized, X: std::marker::Copy { + | ++++++++++++++++++++++ -error: aborting due to 2 previous errors +error[E0277]: the trait bound `X: Copy` is not satisfied + --> $DIR/trait-impl-bound-suggestions.rs:16:29 + | +LL | ConstrainedStruct { x } + | ^ the trait `Copy` is not implemented for `X` + | +note: required by a bound in `ConstrainedStruct` + --> $DIR/trait-impl-bound-suggestions.rs:8:29 + | +LL | struct ConstrainedStruct<X: Copy> { + | ^^^^ required by this bound in `ConstrainedStruct` +help: consider further restricting type parameter `X` + | +LL | trait InsufficientlyConstrainedGeneric<X=()> where Self: Sized, X: std::marker::Copy { + | ++++++++++++++++++++++ + +error[E0277]: the trait bound `X: Copy` is not satisfied + --> $DIR/trait-impl-bound-suggestions.rs:26:29 + | +LL | ConstrainedStruct { x } + | ^ the trait `Copy` is not implemented for `X` + | +note: required by a bound in `ConstrainedStruct` + --> $DIR/trait-impl-bound-suggestions.rs:8:29 + | +LL | struct ConstrainedStruct<X: Copy> { + | ^^^^ required by this bound in `ConstrainedStruct` +help: consider further restricting type parameter `X` + | +LL | trait InsufficientlyConstrainedGenericWithEmptyWhere<X=()> where Self: Sized, X: std::marker::Copy { + | ++++++++++++++++++++++ + +error: aborting due to 4 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/traits/issue-106072.rs b/tests/ui/traits/issue-106072.rs index d38d3c3b286..8adbac46a5b 100644 --- a/tests/ui/traits/issue-106072.rs +++ b/tests/ui/traits/issue-106072.rs @@ -1,5 +1,6 @@ #[derive(Clone)] //~ trait objects must include the `dyn` keyword //~^ ERROR: the size for values of type `(dyn Foo + 'static)` cannot be known +//~| ERROR: return type cannot have an unboxed trait object struct Foo; trait Foo {} //~ the name `Foo` is defined multiple times fn main() {} diff --git a/tests/ui/traits/issue-106072.stderr b/tests/ui/traits/issue-106072.stderr index aadadc45f21..6476c8b3237 100644 --- a/tests/ui/traits/issue-106072.stderr +++ b/tests/ui/traits/issue-106072.stderr @@ -1,5 +1,5 @@ error[E0428]: the name `Foo` is defined multiple times - --> $DIR/issue-106072.rs:4:1 + --> $DIR/issue-106072.rs:5:1 | LL | struct Foo; | ----------- previous definition of the type `Foo` here @@ -19,6 +19,14 @@ note: required by a bound in `Clone` --> $SRC_DIR/core/src/clone.rs:LL:COL = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) +error[E0746]: return type cannot have an unboxed trait object + --> $DIR/issue-106072.rs:1:10 + | +LL | #[derive(Clone)] + | ^^^^^ doesn't have a size known at compile-time + | + = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) + error[E0782]: trait objects must include the `dyn` keyword --> $DIR/issue-106072.rs:1:10 | @@ -27,7 +35,7 @@ LL | #[derive(Clone)] | = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) -error: aborting due to 3 previous errors +error: aborting due to 4 previous errors -Some errors have detailed explanations: E0277, E0428, E0782. +Some errors have detailed explanations: E0277, E0428, E0746, E0782. For more information about an error, try `rustc --explain E0277`. diff --git a/tests/ui/traits/issue-50480.rs b/tests/ui/traits/issue-50480.rs index cc7ea32eb3a..ccd35a850f2 100644 --- a/tests/ui/traits/issue-50480.rs +++ b/tests/ui/traits/issue-50480.rs @@ -6,12 +6,15 @@ struct Foo(N, NotDefined, <i32 as Iterator>::Item, Vec<i32>, String); //~| ERROR cannot find type `N` in this scope //~| ERROR cannot find type `N` in this scope //~| ERROR `i32` is not an iterator +//~| ERROR `i32` is not an iterator #[derive(Clone, Copy)] //~^ ERROR the trait `Copy` cannot be implemented for this type +//~| ERROR `i32` is not an iterator struct Bar<T>(T, N, NotDefined, <i32 as Iterator>::Item, Vec<i32>, String); //~^ ERROR cannot find type `NotDefined` in this scope //~| ERROR cannot find type `N` in this scope //~| ERROR `i32` is not an iterator +//~| ERROR `i32` is not an iterator fn main() {} diff --git a/tests/ui/traits/issue-50480.stderr b/tests/ui/traits/issue-50480.stderr index 68d3d5c80d0..6c019f59b09 100644 --- a/tests/ui/traits/issue-50480.stderr +++ b/tests/ui/traits/issue-50480.stderr @@ -38,7 +38,7 @@ LL | struct Foo<NotDefined>(N, NotDefined, <i32 as Iterator>::Item, Vec<i32>, St | ++++++++++++ error[E0412]: cannot find type `N` in this scope - --> $DIR/issue-50480.rs:12:18 + --> $DIR/issue-50480.rs:14:18 | LL | struct Bar<T>(T, N, NotDefined, <i32 as Iterator>::Item, Vec<i32>, String); | - ^ @@ -55,7 +55,7 @@ LL | struct Bar<T, N>(T, N, NotDefined, <i32 as Iterator>::Item, Vec<i32>, Strin | +++ error[E0412]: cannot find type `NotDefined` in this scope - --> $DIR/issue-50480.rs:12:21 + --> $DIR/issue-50480.rs:14:21 | LL | struct Bar<T>(T, N, NotDefined, <i32 as Iterator>::Item, Vec<i32>, String); | ^^^^^^^^^^ not found in this scope @@ -74,11 +74,11 @@ LL | struct Foo(N, NotDefined, <i32 as Iterator>::Item, Vec<i32>, String); = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0204]: the trait `Copy` cannot be implemented for this type - --> $DIR/issue-50480.rs:10:17 + --> $DIR/issue-50480.rs:11:17 | LL | #[derive(Clone, Copy)] | ^^^^ -LL | +... LL | struct Bar<T>(T, N, NotDefined, <i32 as Iterator>::Item, Vec<i32>, String); | -------- ------ this field does not implement `Copy` | | @@ -96,15 +96,47 @@ LL | struct Foo(N, NotDefined, <i32 as Iterator>::Item, Vec<i32>, String); = note: if you want to iterate between `start` until a value `end`, use the exclusive range syntax `start..end` or the inclusive range syntax `start..=end` error[E0277]: `i32` is not an iterator - --> $DIR/issue-50480.rs:12:33 + --> $DIR/issue-50480.rs:14:33 + | +LL | struct Bar<T>(T, N, NotDefined, <i32 as Iterator>::Item, Vec<i32>, String); + | ^^^^^^^^^^^^^^^^^^^^^^^ `i32` is not an iterator + | + = help: the trait `Iterator` is not implemented for `i32` + = note: if you want to iterate between `start` until a value `end`, use the exclusive range syntax `start..end` or the inclusive range syntax `start..=end` + +error[E0277]: `i32` is not an iterator + --> $DIR/issue-50480.rs:3:28 + | +LL | struct Foo(N, NotDefined, <i32 as Iterator>::Item, Vec<i32>, String); + | ^^^ `i32` is not an iterator + | + = help: the trait `Iterator` is not implemented for `i32` + = note: if you want to iterate between `start` until a value `end`, use the exclusive range syntax `start..end` or the inclusive range syntax `start..=end` + +error[E0277]: `i32` is not an iterator + --> $DIR/issue-50480.rs:11:10 + | +LL | #[derive(Clone, Copy)] + | ^^^^^ `i32` is not an iterator + | + = help: the trait `Iterator` is not implemented for `i32` + = note: if you want to iterate between `start` until a value `end`, use the exclusive range syntax `start..end` or the inclusive range syntax `start..=end` + = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) + +error[E0277]: `i32` is not an iterator + --> $DIR/issue-50480.rs:14:33 | +LL | #[derive(Clone, Copy)] + | ----- in this derive macro expansion +... LL | struct Bar<T>(T, N, NotDefined, <i32 as Iterator>::Item, Vec<i32>, String); | ^^^^^^^^^^^^^^^^^^^^^^^ `i32` is not an iterator | = help: the trait `Iterator` is not implemented for `i32` = note: if you want to iterate between `start` until a value `end`, use the exclusive range syntax `start..end` or the inclusive range syntax `start..=end` + = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) -error: aborting due to 10 previous errors +error: aborting due to 13 previous errors Some errors have detailed explanations: E0204, E0277, E0412. For more information about an error, try `rustc --explain E0204`. diff --git a/tests/ui/traits/next-solver/normalize-param-env-2.stderr b/tests/ui/traits/next-solver/normalize-param-env-2.stderr index a52022e539e..86729eb8a4b 100644 --- a/tests/ui/traits/next-solver/normalize-param-env-2.stderr +++ b/tests/ui/traits/next-solver/normalize-param-env-2.stderr @@ -30,6 +30,30 @@ LL | Self::Assoc: A<T>, | = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`normalize_param_env_2`) -error: aborting due to 3 previous errors +error[E0275]: overflow evaluating the requirement `(): A<T>` + --> $DIR/normalize-param-env-2.rs:27:10 + | +LL | <() as A<T>>::f(); + | ^^ + | + = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`normalize_param_env_2`) + +error[E0275]: overflow evaluating the requirement `<() as A<T>>::Assoc: A<T>` + --> $DIR/normalize-param-env-2.rs:27:9 + | +LL | <() as A<T>>::f(); + | ^^^^^^^^^^^^^^^^^ + | + = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`normalize_param_env_2`) +note: required by a bound in `A::f` + --> $DIR/normalize-param-env-2.rs:14:22 + | +LL | fn f() + | - required by a bound in this associated function +LL | where +LL | Self::Assoc: A<T>, + | ^^^^ required by this bound in `A::f` + +error: aborting due to 5 previous errors For more information about this error, try `rustc --explain E0275`. diff --git a/tests/ui/traits/next-solver/normalize-param-env-4.next.stderr b/tests/ui/traits/next-solver/normalize-param-env-4.next.stderr index dec820c61b0..2a017fac104 100644 --- a/tests/ui/traits/next-solver/normalize-param-env-4.next.stderr +++ b/tests/ui/traits/next-solver/normalize-param-env-4.next.stderr @@ -14,6 +14,19 @@ LL | <T as Trait>::Assoc: Trait, | = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`normalize_param_env_4`) -error: aborting due to 2 previous errors +error[E0275]: overflow evaluating the requirement `T: Trait` + --> $DIR/normalize-param-env-4.rs:31:19 + | +LL | impls_trait::<T>(); + | ^ + | + = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`normalize_param_env_4`) +note: required by a bound in `impls_trait` + --> $DIR/normalize-param-env-4.rs:14:19 + | +LL | fn impls_trait<T: Trait>() {} + | ^^^^^ required by this bound in `impls_trait` + +error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0275`. diff --git a/tests/ui/traits/next-solver/specialization-transmute.rs b/tests/ui/traits/next-solver/specialization-transmute.rs index d96936f60f7..9b35a267743 100644 --- a/tests/ui/traits/next-solver/specialization-transmute.rs +++ b/tests/ui/traits/next-solver/specialization-transmute.rs @@ -15,7 +15,7 @@ impl<T> Default for T { // This will be fixed by #111994 fn intu(&self) -> &Self::Id { //~^ ERROR type annotations needed - self + self //~ ERROR cannot satisfy } } @@ -25,6 +25,6 @@ fn transmute<T: Default<Id = U>, U: Copy>(t: T) -> U { use std::num::NonZeroU8; fn main() { - let s = transmute::<u8, Option<NonZeroU8>>(0); // this call should then error + let s = transmute::<u8, Option<NonZeroU8>>(0); //~ ERROR cannot satisfy assert_eq!(s, None); } diff --git a/tests/ui/traits/next-solver/specialization-transmute.stderr b/tests/ui/traits/next-solver/specialization-transmute.stderr index ea1ae387f56..c87612d6a26 100644 --- a/tests/ui/traits/next-solver/specialization-transmute.stderr +++ b/tests/ui/traits/next-solver/specialization-transmute.stderr @@ -16,13 +16,31 @@ error[E0284]: type annotations needed: cannot satisfy `<T as Default>::Id == _` LL | fn intu(&self) -> &Self::Id { | ^^^^^^^^^ cannot satisfy `<T as Default>::Id == _` +error[E0284]: type annotations needed: cannot satisfy `T <: <T as Default>::Id` + --> $DIR/specialization-transmute.rs:18:9 + | +LL | self + | ^^^^ cannot satisfy `T <: <T as Default>::Id` + +error[E0284]: type annotations needed: cannot satisfy `<u8 as Default>::Id == Option<NonZero<u8>>` + --> $DIR/specialization-transmute.rs:28:13 + | +LL | let s = transmute::<u8, Option<NonZeroU8>>(0); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot satisfy `<u8 as Default>::Id == Option<NonZero<u8>>` + | +note: required by a bound in `transmute` + --> $DIR/specialization-transmute.rs:22:25 + | +LL | fn transmute<T: Default<Id = U>, U: Copy>(t: T) -> U { + | ^^^^^^ required by this bound in `transmute` + error[E0282]: type annotations needed --> $DIR/specialization-transmute.rs:14:23 | LL | default type Id = T; | ^ cannot infer type for associated type `<T as Default>::Id` -error: aborting due to 3 previous errors; 1 warning emitted +error: aborting due to 5 previous errors; 1 warning emitted Some errors have detailed explanations: E0282, E0284. For more information about an error, try `rustc --explain E0282`. diff --git a/tests/ui/transmutability/issue-101739-1.rs b/tests/ui/transmutability/issue-101739-1.rs index 2b966609108..f2c2a471f72 100644 --- a/tests/ui/transmutability/issue-101739-1.rs +++ b/tests/ui/transmutability/issue-101739-1.rs @@ -7,6 +7,7 @@ mod assert { where Dst: BikeshedIntrinsicFrom<Src, Context, ASSUME_ALIGNMENT>, //~ ERROR cannot find type `Dst` in this scope //~^ the constant `ASSUME_ALIGNMENT` is not of type `Assume` + //~| ERROR: mismatched types { } } diff --git a/tests/ui/transmutability/issue-101739-1.stderr b/tests/ui/transmutability/issue-101739-1.stderr index bf947d0ea4a..e87693f247d 100644 --- a/tests/ui/transmutability/issue-101739-1.stderr +++ b/tests/ui/transmutability/issue-101739-1.stderr @@ -13,6 +13,13 @@ LL | Dst: BikeshedIntrinsicFrom<Src, Context, ASSUME_ALIGNMENT>, note: required by a bound in `BikeshedIntrinsicFrom` --> $SRC_DIR/core/src/mem/transmutability.rs:LL:COL -error: aborting due to 2 previous errors +error[E0308]: mismatched types + --> $DIR/issue-101739-1.rs:8:50 + | +LL | Dst: BikeshedIntrinsicFrom<Src, Context, ASSUME_ALIGNMENT>, + | ^^^^^^^^^^^^^^^^ expected `Assume`, found `bool` + +error: aborting due to 3 previous errors -For more information about this error, try `rustc --explain E0412`. +Some errors have detailed explanations: E0308, E0412. +For more information about an error, try `rustc --explain E0308`. diff --git a/tests/ui/transmutability/issue-101739-2.rs b/tests/ui/transmutability/issue-101739-2.rs index 4cde9152032..8d670ec17ca 100644 --- a/tests/ui/transmutability/issue-101739-2.rs +++ b/tests/ui/transmutability/issue-101739-2.rs @@ -19,7 +19,7 @@ mod assert { //~^ ERROR: the constant `ASSUME_ALIGNMENT` is not of type `Assume` Src, Context, - ASSUME_ALIGNMENT, + ASSUME_ALIGNMENT, //~ ERROR: mismatched types ASSUME_LIFETIMES, ASSUME_VALIDITY, ASSUME_VISIBILITY, diff --git a/tests/ui/transmutability/issue-101739-2.stderr b/tests/ui/transmutability/issue-101739-2.stderr index aed47f33f0d..adbb5ff5aff 100644 --- a/tests/ui/transmutability/issue-101739-2.stderr +++ b/tests/ui/transmutability/issue-101739-2.stderr @@ -25,6 +25,13 @@ LL | | >, note: required by a bound in `BikeshedIntrinsicFrom` --> $SRC_DIR/core/src/mem/transmutability.rs:LL:COL -error: aborting due to 2 previous errors +error[E0308]: mismatched types + --> $DIR/issue-101739-2.rs:22:13 + | +LL | ASSUME_ALIGNMENT, + | ^^^^^^^^^^^^^^^^ expected `Assume`, found `bool` + +error: aborting due to 3 previous errors -For more information about this error, try `rustc --explain E0107`. +Some errors have detailed explanations: E0107, E0308. +For more information about an error, try `rustc --explain E0107`. diff --git a/tests/ui/type/type-check/issue-40294.rs b/tests/ui/type/type-check/issue-40294.rs index 5493a4e5f10..46ba2296163 100644 --- a/tests/ui/type/type-check/issue-40294.rs +++ b/tests/ui/type/type-check/issue-40294.rs @@ -6,7 +6,7 @@ fn foo<'a,'b,T>(x: &'a T, y: &'b T) where &'a T : Foo, //~ ERROR type annotations needed &'b T : Foo { - x.foo(); + x.foo(); //~ ERROR type annotations needed y.foo(); } diff --git a/tests/ui/type/type-check/issue-40294.stderr b/tests/ui/type/type-check/issue-40294.stderr index c6c1d689324..178ea69563a 100644 --- a/tests/ui/type/type-check/issue-40294.stderr +++ b/tests/ui/type/type-check/issue-40294.stderr @@ -12,6 +12,20 @@ LL | where &'a T : Foo, LL | &'b T : Foo | ^^^ -error: aborting due to 1 previous error +error[E0283]: type annotations needed: cannot satisfy `&T: Foo` + --> $DIR/issue-40294.rs:9:7 + | +LL | x.foo(); + | ^^^ + | +note: multiple `impl`s or `where` clauses satisfying `&T: Foo` found + --> $DIR/issue-40294.rs:6:19 + | +LL | where &'a T : Foo, + | ^^^ +LL | &'b T : Foo + | ^^^ + +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0283`. diff --git a/tests/ui/typeck/typeck_type_placeholder_item.rs b/tests/ui/typeck/typeck_type_placeholder_item.rs index 591a7278ddc..a95b44e807c 100644 --- a/tests/ui/typeck/typeck_type_placeholder_item.rs +++ b/tests/ui/typeck/typeck_type_placeholder_item.rs @@ -47,7 +47,7 @@ impl Test9 { fn test11(x: &usize) -> &_ { //~^ ERROR the placeholder `_` is not allowed within types on item signatures for return types - &x + &x //~ ERROR cannot return reference to function parameter } unsafe fn test12(x: *const usize) -> *const *const _ { @@ -229,3 +229,5 @@ fn evens_squared(n: usize) -> _ { const _: _ = (1..10).filter(|x| x % 2 == 0).map(|x| x * x); //~^ ERROR the placeholder +//~| ERROR cannot call non-const +//~| ERROR cannot call non-const diff --git a/tests/ui/typeck/typeck_type_placeholder_item.stderr b/tests/ui/typeck/typeck_type_placeholder_item.stderr index bfcc76c1dae..18f6edad5c0 100644 --- a/tests/ui/typeck/typeck_type_placeholder_item.stderr +++ b/tests/ui/typeck/typeck_type_placeholder_item.stderr @@ -666,7 +666,31 @@ LL | type F: std::ops::Fn(_); LL | impl Qux for Struct { | ^^^^^^^^^^^^^^^^^^^ missing `F` in implementation -error: aborting due to 72 previous errors +error[E0515]: cannot return reference to function parameter `x` + --> $DIR/typeck_type_placeholder_item.rs:50:5 + | +LL | &x + | ^^ returns a reference to data owned by the current function + +error[E0015]: cannot call non-const fn `<std::ops::Range<i32> as Iterator>::filter::<{closure@$DIR/typeck_type_placeholder_item.rs:230:29: 230:32}>` in constants + --> $DIR/typeck_type_placeholder_item.rs:230:22 + | +LL | const _: _ = (1..10).filter(|x| x % 2 == 0).map(|x| x * x); + | ^^^^^^^^^^^^^^^^^^^^^^ + | + = note: calls in constants are limited to constant functions, tuple structs and tuple variants + = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable + +error[E0015]: cannot call non-const fn `<Filter<std::ops::Range<i32>, {closure@$DIR/typeck_type_placeholder_item.rs:230:29: 230:32}> as Iterator>::map::<i32, {closure@$DIR/typeck_type_placeholder_item.rs:230:49: 230:52}>` in constants + --> $DIR/typeck_type_placeholder_item.rs:230:45 + | +LL | const _: _ = (1..10).filter(|x| x % 2 == 0).map(|x| x * x); + | ^^^^^^^^^^^^^^ + | + = note: calls in constants are limited to constant functions, tuple structs and tuple variants + = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable + +error: aborting due to 75 previous errors -Some errors have detailed explanations: E0046, E0121, E0282, E0403. -For more information about an error, try `rustc --explain E0046`. +Some errors have detailed explanations: E0015, E0046, E0121, E0282, E0403, E0515. +For more information about an error, try `rustc --explain E0015`. diff --git a/tests/ui/ufcs/ufcs-explicit-self-bad.rs b/tests/ui/ufcs/ufcs-explicit-self-bad.rs index 3bb3d906d11..29586dccfc9 100644 --- a/tests/ui/ufcs/ufcs-explicit-self-bad.rs +++ b/tests/ui/ufcs/ufcs-explicit-self-bad.rs @@ -7,7 +7,7 @@ struct Foo { impl Foo { fn foo(self: isize, x: isize) -> isize { //~^ ERROR invalid `self` parameter type - self.f + x + self.f + x //~ ERROR: doesn't have fields } } @@ -53,8 +53,10 @@ fn main() { f: 1, }); println!("{}", foo.foo(2)); + //~^ ERROR: no method named `foo` let bar = Box::new(Bar { f: 1, }); println!("{} {}", bar.foo(2), bar.bar(2)); + //~^ ERROR: no method named `bar` } diff --git a/tests/ui/ufcs/ufcs-explicit-self-bad.stderr b/tests/ui/ufcs/ufcs-explicit-self-bad.stderr index b0e71507a2e..7c250775475 100644 --- a/tests/ui/ufcs/ufcs-explicit-self-bad.stderr +++ b/tests/ui/ufcs/ufcs-explicit-self-bad.stderr @@ -118,7 +118,25 @@ note: ...does not necessarily outlive the anonymous lifetime defined here LL | fn dummy3(self: &&Bar<T>) {} | ^^^^^^^ -error: aborting due to 8 previous errors +error[E0610]: `isize` is a primitive type and therefore doesn't have fields + --> $DIR/ufcs-explicit-self-bad.rs:10:14 + | +LL | self.f + x + | ^ + +error[E0599]: no method named `foo` found for struct `Box<Foo>` in the current scope + --> $DIR/ufcs-explicit-self-bad.rs:55:24 + | +LL | println!("{}", foo.foo(2)); + | ^^^ method not found in `Box<Foo>` + +error[E0599]: no method named `bar` found for struct `Box<Bar<isize>>` in the current scope + --> $DIR/ufcs-explicit-self-bad.rs:60:39 + | +LL | println!("{} {}", bar.foo(2), bar.bar(2)); + | ^^^ method not found in `Box<Bar<isize>>` + +error: aborting due to 11 previous errors -Some errors have detailed explanations: E0053, E0307, E0308. +Some errors have detailed explanations: E0053, E0307, E0308, E0599, E0610. For more information about an error, try `rustc --explain E0053`. diff --git a/tests/ui/unboxed-closures/non-tupled-arg-mismatch.rs b/tests/ui/unboxed-closures/non-tupled-arg-mismatch.rs index d2e48600227..2278285bf8f 100644 --- a/tests/ui/unboxed-closures/non-tupled-arg-mismatch.rs +++ b/tests/ui/unboxed-closures/non-tupled-arg-mismatch.rs @@ -4,5 +4,5 @@ fn a<F: Fn<usize>>(f: F) {} //~^ ERROR type parameter to bare `Fn` trait must be a tuple fn main() { - a(|_: usize| {}); + a(|_: usize| {}); //~ ERROR: mismatched types } diff --git a/tests/ui/unboxed-closures/non-tupled-arg-mismatch.stderr b/tests/ui/unboxed-closures/non-tupled-arg-mismatch.stderr index 66d393c67c5..0d4265ddf8b 100644 --- a/tests/ui/unboxed-closures/non-tupled-arg-mismatch.stderr +++ b/tests/ui/unboxed-closures/non-tupled-arg-mismatch.stderr @@ -7,6 +7,21 @@ LL | fn a<F: Fn<usize>>(f: F) {} note: required by a bound in `Fn` --> $SRC_DIR/core/src/ops/function.rs:LL:COL -error: aborting due to 1 previous error +error[E0308]: mismatched types + --> $DIR/non-tupled-arg-mismatch.rs:7:5 + | +LL | a(|_: usize| {}); + | ^^^^^^^^^^^^^^^^ types differ + | + = note: expected trait `Fn<usize>` + found trait `Fn(usize)` +note: required by a bound in `a` + --> $DIR/non-tupled-arg-mismatch.rs:3:9 + | +LL | fn a<F: Fn<usize>>(f: F) {} + | ^^^^^^^^^ required by this bound in `a` + +error: aborting due to 2 previous errors -For more information about this error, try `rustc --explain E0059`. +Some errors have detailed explanations: E0059, E0308. +For more information about an error, try `rustc --explain E0059`. diff --git a/tests/ui/wf/wf-in-fn-ret.rs b/tests/ui/wf/wf-in-fn-ret.rs index 4c9535184ff..3e9b9787cc5 100644 --- a/tests/ui/wf/wf-in-fn-ret.rs +++ b/tests/ui/wf/wf-in-fn-ret.rs @@ -3,12 +3,13 @@ #![feature(rustc_attrs)] #![allow(dead_code)] -struct MustBeCopy<T:Copy> { - t: T +struct MustBeCopy<T: Copy> { + t: T, } fn bar<T>() -> MustBeCopy<T> //~ ERROR E0277 +//~^ ERROR mismatched types { } -fn main() { } +fn main() {} diff --git a/tests/ui/wf/wf-in-fn-ret.stderr b/tests/ui/wf/wf-in-fn-ret.stderr index 85cf78c5987..1ae49a348cc 100644 --- a/tests/ui/wf/wf-in-fn-ret.stderr +++ b/tests/ui/wf/wf-in-fn-ret.stderr @@ -5,15 +5,27 @@ LL | fn bar<T>() -> MustBeCopy<T> | ^^^^^^^^^^^^^ the trait `Copy` is not implemented for `T` | note: required by a bound in `MustBeCopy` - --> $DIR/wf-in-fn-ret.rs:6:21 + --> $DIR/wf-in-fn-ret.rs:6:22 | -LL | struct MustBeCopy<T:Copy> { - | ^^^^ required by this bound in `MustBeCopy` +LL | struct MustBeCopy<T: Copy> { + | ^^^^ required by this bound in `MustBeCopy` help: consider restricting type parameter `T` | LL | fn bar<T: std::marker::Copy>() -> MustBeCopy<T> | +++++++++++++++++++ -error: aborting due to 1 previous error +error[E0308]: mismatched types + --> $DIR/wf-in-fn-ret.rs:10:16 + | +LL | fn bar<T>() -> MustBeCopy<T> + | --- ^^^^^^^^^^^^^ expected `MustBeCopy<T>`, found `()` + | | + | implicitly returns `()` as its body has no tail or `return` expression + | + = note: expected struct `MustBeCopy<T>` + found unit type `()` + +error: aborting due to 2 previous errors -For more information about this error, try `rustc --explain E0277`. +Some errors have detailed explanations: E0277, E0308. +For more information about an error, try `rustc --explain E0277`. |