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| author | bors <bors@rust-lang.org> | 2025-06-22 17:10:28 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2025-06-22 17:10:28 +0000 |
| commit | 111e9bc64bbdce14122e3676978f2ceefa5bff1a (patch) | |
| tree | 28ed5aecce63ba1a3279eaa86a818cf899cd4dba /tests | |
| parent | c2ec7532eed172e79800d28f087727c4b048badd (diff) | |
| parent | 8da1a6290d0a097a497e109e70651c4f55e0fadb (diff) | |
| download | rust-111e9bc64bbdce14122e3676978f2ceefa5bff1a.tar.gz rust-111e9bc64bbdce14122e3676978f2ceefa5bff1a.zip | |
Auto merge of #142878 - GuillaumeGomez:rollup-53dohob, r=GuillaumeGomez
Rollup of 10 pull requests Successful merges: - rust-lang/rust#142458 (Merge unboxed trait object error suggestion into regular dyn incompat error) - rust-lang/rust#142593 (Add a warning to LateContext::get_def_path) - rust-lang/rust#142594 (Add DesugaringKind::FormatLiteral) - rust-lang/rust#142740 (Clean-up `FnCtxt::is_destruct_assignment_desugaring`) - rust-lang/rust#142780 (Port `#[must_use]` to new attribute parsing infrastructure) - rust-lang/rust#142798 (Don't fail to parse a struct if a semicolon is used to separate fields) - rust-lang/rust#142856 (Add a few inline directives in rustc_serialize.) - rust-lang/rust#142868 (remove few allow(dead_code)) - rust-lang/rust#142874 (cranelift: fix target feature name typo: "fxsr") - rust-lang/rust#142877 (Document why tidy checks if `eslint` is installed via `npm`) r? `@ghost` `@rustbot` modify labels: rollup
Diffstat (limited to 'tests')
77 files changed, 325 insertions, 350 deletions
diff --git a/tests/rustdoc-json/attrs/must_use.rs b/tests/rustdoc-json/attrs/must_use.rs index 64df8e5f509..3ca6f5a75a5 100644 --- a/tests/rustdoc-json/attrs/must_use.rs +++ b/tests/rustdoc-json/attrs/must_use.rs @@ -1,9 +1,9 @@ #![no_std] -//@ is "$.index[?(@.name=='example')].attrs" '["#[must_use]"]' +//@ is "$.index[?(@.name=='example')].attrs" '["#[attr = MustUse]"]' #[must_use] pub fn example() -> impl Iterator<Item = i64> {} -//@ is "$.index[?(@.name=='explicit_message')].attrs" '["#[must_use = \"does nothing if you do not use it\"]"]' +//@ is "$.index[?(@.name=='explicit_message')].attrs" '["#[attr = MustUse {reason: \"does nothing if you do not use it\"}]"]' #[must_use = "does nothing if you do not use it"] pub fn explicit_message() -> impl Iterator<Item = i64> {} diff --git a/tests/ui/argument-suggestions/issue-100154.stderr b/tests/ui/argument-suggestions/issue-100154.stderr index 7eaebcafb59..9732beac449 100644 --- a/tests/ui/argument-suggestions/issue-100154.stderr +++ b/tests/ui/argument-suggestions/issue-100154.stderr @@ -17,10 +17,8 @@ error[E0277]: `()` doesn't implement `std::fmt::Display` --> $DIR/issue-100154.rs:4:11 | LL | foo::<()>(()); - | ^^ `()` cannot be formatted with the default formatter + | ^^ the trait `std::fmt::Display` is not implemented for `()` | - = help: the trait `std::fmt::Display` is not implemented for `()` - = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead note: required by a bound in `foo` --> $DIR/issue-100154.rs:1:16 | diff --git a/tests/ui/associated-types/defaults-unsound-62211-1.current.stderr b/tests/ui/associated-types/defaults-unsound-62211-1.current.stderr index 8b6f0a47aed..b17e26b608d 100644 --- a/tests/ui/associated-types/defaults-unsound-62211-1.current.stderr +++ b/tests/ui/associated-types/defaults-unsound-62211-1.current.stderr @@ -2,9 +2,8 @@ error[E0277]: `Self` doesn't implement `std::fmt::Display` --> $DIR/defaults-unsound-62211-1.rs:24:96 | LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self; - | ^^^^ `Self` cannot be formatted with the default formatter + | ^^^^ the trait `std::fmt::Display` is not implemented for `Self` | - = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead note: required by a bound in `UncheckedCopy::Output` --> $DIR/defaults-unsound-62211-1.rs:24:86 | diff --git a/tests/ui/associated-types/defaults-unsound-62211-1.next.stderr b/tests/ui/associated-types/defaults-unsound-62211-1.next.stderr index 010f51df15a..a858c9c1ba0 100644 --- a/tests/ui/associated-types/defaults-unsound-62211-1.next.stderr +++ b/tests/ui/associated-types/defaults-unsound-62211-1.next.stderr @@ -2,9 +2,8 @@ error[E0277]: `Self` doesn't implement `std::fmt::Display` --> $DIR/defaults-unsound-62211-1.rs:24:96 | LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self; - | ^^^^ `Self` cannot be formatted with the default formatter + | ^^^^ the trait `std::fmt::Display` is not implemented for `Self` | - = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead note: required by a bound in `UncheckedCopy::Output` --> $DIR/defaults-unsound-62211-1.rs:24:86 | diff --git a/tests/ui/associated-types/defaults-unsound-62211-2.current.stderr b/tests/ui/associated-types/defaults-unsound-62211-2.current.stderr index 7552b089133..facfec85afe 100644 --- a/tests/ui/associated-types/defaults-unsound-62211-2.current.stderr +++ b/tests/ui/associated-types/defaults-unsound-62211-2.current.stderr @@ -2,9 +2,8 @@ error[E0277]: `Self` doesn't implement `std::fmt::Display` --> $DIR/defaults-unsound-62211-2.rs:24:96 | LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self; - | ^^^^ `Self` cannot be formatted with the default formatter + | ^^^^ the trait `std::fmt::Display` is not implemented for `Self` | - = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead note: required by a bound in `UncheckedCopy::Output` --> $DIR/defaults-unsound-62211-2.rs:24:86 | diff --git a/tests/ui/associated-types/defaults-unsound-62211-2.next.stderr b/tests/ui/associated-types/defaults-unsound-62211-2.next.stderr index 93478946570..1360843172f 100644 --- a/tests/ui/associated-types/defaults-unsound-62211-2.next.stderr +++ b/tests/ui/associated-types/defaults-unsound-62211-2.next.stderr @@ -2,9 +2,8 @@ error[E0277]: `Self` doesn't implement `std::fmt::Display` --> $DIR/defaults-unsound-62211-2.rs:24:96 | LL | type Output: Copy + Deref<Target = str> + AddAssign<&'static str> + From<Self> + Display = Self; - | ^^^^ `Self` cannot be formatted with the default formatter + | ^^^^ the trait `std::fmt::Display` is not implemented for `Self` | - = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead note: required by a bound in `UncheckedCopy::Output` --> $DIR/defaults-unsound-62211-2.rs:24:86 | diff --git a/tests/ui/attributes/malformed-must_use.rs b/tests/ui/attributes/malformed-must_use.rs new file mode 100644 index 00000000000..4b98affa8ab --- /dev/null +++ b/tests/ui/attributes/malformed-must_use.rs @@ -0,0 +1,4 @@ +#[must_use()] //~ ERROR valid forms for the attribute are `#[must_use = "reason"]` and `#[must_use]` +struct Test; + +fn main() {} diff --git a/tests/ui/attributes/malformed-must_use.stderr b/tests/ui/attributes/malformed-must_use.stderr new file mode 100644 index 00000000000..c948ba67744 --- /dev/null +++ b/tests/ui/attributes/malformed-must_use.stderr @@ -0,0 +1,8 @@ +error: valid forms for the attribute are `#[must_use = "reason"]` and `#[must_use]` + --> $DIR/malformed-must_use.rs:1:1 + | +LL | #[must_use()] + | ^^^^^^^^^^^^^ + +error: aborting due to 1 previous error + diff --git a/tests/ui/binop/issue-77910-1.stderr b/tests/ui/binop/issue-77910-1.stderr index 74deac900d4..80c384f39bd 100644 --- a/tests/ui/binop/issue-77910-1.stderr +++ b/tests/ui/binop/issue-77910-1.stderr @@ -16,9 +16,8 @@ LL | fn foo(s: &i32) -> &i32 { | --- consider calling this function ... LL | assert_eq!(foo, y); - | ^^^^^^^^^^^^^^^^^^ `for<'a> fn(&'a i32) -> &'a i32 {foo}` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | ^^^^^^^^^^^^^^^^^^ the trait `Debug` is not implemented for fn item `for<'a> fn(&'a i32) -> &'a i32 {foo}` | - = help: the trait `Debug` is not implemented for fn item `for<'a> fn(&'a i32) -> &'a i32 {foo}` = help: use parentheses to call this function: `foo(/* &i32 */)` = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) diff --git a/tests/ui/closures/issue-111932.stderr b/tests/ui/closures/issue-111932.stderr index 93488ad2011..fc3b7b0c6e6 100644 --- a/tests/ui/closures/issue-111932.stderr +++ b/tests/ui/closures/issue-111932.stderr @@ -14,11 +14,9 @@ error[E0277]: the size for values of type `dyn Foo` cannot be known at compilati LL | println!("{:?}", foo); | ---- ^^^ doesn't have a size known at compile-time | | - | required by a bound introduced by this call + | required by this formatting parameter | = help: the trait `Sized` is not implemented for `dyn Foo` -note: required by an implicit `Sized` bound in `core::fmt::rt::Argument::<'_>::new_debug` - --> $SRC_DIR/core/src/fmt/rt.rs:LL:COL = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to 2 previous errors diff --git a/tests/ui/consts/const-eval/format.stderr b/tests/ui/consts/const-eval/format.stderr index 2f202705b7f..bd50ac0bf41 100644 --- a/tests/ui/consts/const-eval/format.stderr +++ b/tests/ui/consts/const-eval/format.stderr @@ -13,7 +13,7 @@ LL | println!("{:?}", 0); | ^^^^^^^^^^^^^^^^^^^ | = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants - = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) + = note: this error originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0015]: cannot call non-const function `_print` in constant functions --> $DIR/format.rs:7:5 diff --git a/tests/ui/derives/derives-span-Debug-enum-struct-variant.stderr b/tests/ui/derives/derives-span-Debug-enum-struct-variant.stderr index a7f6d094681..147910b715f 100644 --- a/tests/ui/derives/derives-span-Debug-enum-struct-variant.stderr +++ b/tests/ui/derives/derives-span-Debug-enum-struct-variant.stderr @@ -5,9 +5,8 @@ LL | #[derive(Debug)] | ----- in this derive macro expansion ... LL | x: Error - | ^^^^^^^^ `Error` cannot be formatted using `{:?}` + | ^^^^^^^^ the trait `Debug` is not implemented for `Error` | - = help: the trait `Debug` is not implemented for `Error` = note: add `#[derive(Debug)]` to `Error` or manually `impl Debug for Error` help: consider annotating `Error` with `#[derive(Debug)]` | diff --git a/tests/ui/derives/derives-span-Debug-enum.stderr b/tests/ui/derives/derives-span-Debug-enum.stderr index b3a58478159..6f97ceb02d3 100644 --- a/tests/ui/derives/derives-span-Debug-enum.stderr +++ b/tests/ui/derives/derives-span-Debug-enum.stderr @@ -5,9 +5,8 @@ LL | #[derive(Debug)] | ----- in this derive macro expansion ... LL | Error - | ^^^^^ `Error` cannot be formatted using `{:?}` + | ^^^^^ the trait `Debug` is not implemented for `Error` | - = help: the trait `Debug` is not implemented for `Error` = note: add `#[derive(Debug)]` to `Error` or manually `impl Debug for Error` help: consider annotating `Error` with `#[derive(Debug)]` | diff --git a/tests/ui/derives/derives-span-Debug-struct.stderr b/tests/ui/derives/derives-span-Debug-struct.stderr index c8ad652716c..46d69a892f2 100644 --- a/tests/ui/derives/derives-span-Debug-struct.stderr +++ b/tests/ui/derives/derives-span-Debug-struct.stderr @@ -5,9 +5,8 @@ LL | #[derive(Debug)] | ----- in this derive macro expansion LL | struct Struct { LL | x: Error - | ^^^^^^^^ `Error` cannot be formatted using `{:?}` + | ^^^^^^^^ the trait `Debug` is not implemented for `Error` | - = help: the trait `Debug` is not implemented for `Error` = note: add `#[derive(Debug)]` to `Error` or manually `impl Debug for Error` help: consider annotating `Error` with `#[derive(Debug)]` | diff --git a/tests/ui/derives/derives-span-Debug-tuple-struct.stderr b/tests/ui/derives/derives-span-Debug-tuple-struct.stderr index dbece4d2091..a3feeff6df3 100644 --- a/tests/ui/derives/derives-span-Debug-tuple-struct.stderr +++ b/tests/ui/derives/derives-span-Debug-tuple-struct.stderr @@ -5,9 +5,8 @@ LL | #[derive(Debug)] | ----- in this derive macro expansion LL | struct Struct( LL | Error - | ^^^^^ `Error` cannot be formatted using `{:?}` + | ^^^^^ the trait `Debug` is not implemented for `Error` | - = help: the trait `Debug` is not implemented for `Error` = note: add `#[derive(Debug)]` to `Error` or manually `impl Debug for Error` help: consider annotating `Error` with `#[derive(Debug)]` | diff --git a/tests/ui/dyn-compatibility/avoid-ice-on-warning-3.old.stderr b/tests/ui/dyn-compatibility/avoid-ice-on-warning-3.old.stderr index d8935be5609..8b4f3f52ee9 100644 --- a/tests/ui/dyn-compatibility/avoid-ice-on-warning-3.old.stderr +++ b/tests/ui/dyn-compatibility/avoid-ice-on-warning-3.old.stderr @@ -87,6 +87,11 @@ help: alternatively, consider constraining `g` so it does not apply to trait obj | LL | trait A { fn g(b: B) -> B where Self: Sized; } | +++++++++++++++++ +help: you might have meant to use `Self` to refer to the implementing type + | +LL - trait B { fn f(a: A) -> A; } +LL + trait B { fn f(a: Self) -> A; } + | warning: trait objects without an explicit `dyn` are deprecated --> $DIR/avoid-ice-on-warning-3.rs:14:19 @@ -124,6 +129,11 @@ help: alternatively, consider constraining `f` so it does not apply to trait obj | LL | trait B { fn f(a: A) -> A where Self: Sized; } | +++++++++++++++++ +help: you might have meant to use `Self` to refer to the implementing type + | +LL - trait A { fn g(b: B) -> B; } +LL + trait A { fn g(b: Self) -> B; } + | error: aborting due to 2 previous errors; 6 warnings emitted diff --git a/tests/ui/dyn-compatibility/supertrait-mentions-GAT.rs b/tests/ui/dyn-compatibility/supertrait-mentions-GAT.rs index 9e5c1bfe416..b866dab9dba 100644 --- a/tests/ui/dyn-compatibility/supertrait-mentions-GAT.rs +++ b/tests/ui/dyn-compatibility/supertrait-mentions-GAT.rs @@ -8,8 +8,7 @@ trait GatTrait { trait SuperTrait<T>: for<'a> GatTrait<Gat<'a> = T> { fn c(&self) -> dyn SuperTrait<T>; - //~^ ERROR associated item referring to unboxed trait object for its own trait - //~| ERROR the trait `SuperTrait` is not dyn compatible + //~^ ERROR the trait `SuperTrait` is not dyn compatible } fn main() {} diff --git a/tests/ui/dyn-compatibility/supertrait-mentions-GAT.stderr b/tests/ui/dyn-compatibility/supertrait-mentions-GAT.stderr index 582cf1af054..ba4ce475399 100644 --- a/tests/ui/dyn-compatibility/supertrait-mentions-GAT.stderr +++ b/tests/ui/dyn-compatibility/supertrait-mentions-GAT.stderr @@ -7,20 +7,6 @@ LL | Self: 'a; | ^^ = help: consider adding an explicit lifetime bound `Self: 'a`... -error: associated item referring to unboxed trait object for its own trait - --> $DIR/supertrait-mentions-GAT.rs:10:20 - | -LL | trait SuperTrait<T>: for<'a> GatTrait<Gat<'a> = T> { - | ---------- in this trait -LL | fn c(&self) -> dyn SuperTrait<T>; - | ^^^^^^^^^^^^^^^^^ - | -help: you might have meant to use `Self` to refer to the implementing type - | -LL - fn c(&self) -> dyn SuperTrait<T>; -LL + fn c(&self) -> Self; - | - error[E0038]: the trait `SuperTrait` is not dyn compatible --> $DIR/supertrait-mentions-GAT.rs:10:20 | @@ -37,8 +23,13 @@ LL | type Gat<'a> LL | trait SuperTrait<T>: for<'a> GatTrait<Gat<'a> = T> { | ---------- this trait is not dyn compatible... = help: consider moving `Gat` to another trait +help: you might have meant to use `Self` to refer to the implementing type + | +LL - fn c(&self) -> dyn SuperTrait<T>; +LL + fn c(&self) -> Self; + | -error: aborting due to 3 previous errors +error: aborting due to 2 previous errors Some errors have detailed explanations: E0038, E0311. For more information about an error, try `rustc --explain E0038`. diff --git a/tests/ui/errors/remap-path-prefix-diagnostics.not-diag-in-deps.stderr b/tests/ui/errors/remap-path-prefix-diagnostics.not-diag-in-deps.stderr index 3ddff11798d..229bfbe59e5 100644 --- a/tests/ui/errors/remap-path-prefix-diagnostics.not-diag-in-deps.stderr +++ b/tests/ui/errors/remap-path-prefix-diagnostics.not-diag-in-deps.stderr @@ -2,10 +2,8 @@ error[E0277]: `A` doesn't implement `std::fmt::Display` --> remapped/errors/remap-path-prefix-diagnostics.rs:LL:COL | LL | impl r#trait::Trait for A {} - | ^ `A` cannot be formatted with the default formatter + | ^ the trait `std::fmt::Display` is not implemented for `A` | - = help: the trait `std::fmt::Display` is not implemented for `A` - = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead note: required by a bound in `Trait` --> $DIR/auxiliary/trait.rs:LL:COL | diff --git a/tests/ui/errors/remap-path-prefix-diagnostics.only-debuginfo-in-deps.stderr b/tests/ui/errors/remap-path-prefix-diagnostics.only-debuginfo-in-deps.stderr index 85c781425b1..a59af3b6a82 100644 --- a/tests/ui/errors/remap-path-prefix-diagnostics.only-debuginfo-in-deps.stderr +++ b/tests/ui/errors/remap-path-prefix-diagnostics.only-debuginfo-in-deps.stderr @@ -2,10 +2,8 @@ error[E0277]: `A` doesn't implement `std::fmt::Display` --> $DIR/remap-path-prefix-diagnostics.rs:LL:COL | LL | impl r#trait::Trait for A {} - | ^ `A` cannot be formatted with the default formatter + | ^ the trait `std::fmt::Display` is not implemented for `A` | - = help: the trait `std::fmt::Display` is not implemented for `A` - = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead note: required by a bound in `Trait` --> $DIR/auxiliary/trait-debuginfo.rs:LL:COL | diff --git a/tests/ui/errors/remap-path-prefix-diagnostics.only-diag-in-deps.stderr b/tests/ui/errors/remap-path-prefix-diagnostics.only-diag-in-deps.stderr index 792ea7925ad..18fb9afcf39 100644 --- a/tests/ui/errors/remap-path-prefix-diagnostics.only-diag-in-deps.stderr +++ b/tests/ui/errors/remap-path-prefix-diagnostics.only-diag-in-deps.stderr @@ -2,10 +2,8 @@ error[E0277]: `A` doesn't implement `std::fmt::Display` --> $DIR/remap-path-prefix-diagnostics.rs:LL:COL | LL | impl r#trait::Trait for A {} - | ^ `A` cannot be formatted with the default formatter + | ^ the trait `std::fmt::Display` is not implemented for `A` | - = help: the trait `std::fmt::Display` is not implemented for `A` - = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead note: required by a bound in `Trait` --> $DIR/auxiliary/trait-diag.rs:LL:COL | diff --git a/tests/ui/errors/remap-path-prefix-diagnostics.only-macro-in-deps.stderr b/tests/ui/errors/remap-path-prefix-diagnostics.only-macro-in-deps.stderr index d13333d2e48..9e770f07fba 100644 --- a/tests/ui/errors/remap-path-prefix-diagnostics.only-macro-in-deps.stderr +++ b/tests/ui/errors/remap-path-prefix-diagnostics.only-macro-in-deps.stderr @@ -2,10 +2,8 @@ error[E0277]: `A` doesn't implement `std::fmt::Display` --> $DIR/remap-path-prefix-diagnostics.rs:LL:COL | LL | impl r#trait::Trait for A {} - | ^ `A` cannot be formatted with the default formatter + | ^ the trait `std::fmt::Display` is not implemented for `A` | - = help: the trait `std::fmt::Display` is not implemented for `A` - = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead note: required by a bound in `Trait` --> $DIR/auxiliary/trait-macro.rs:LL:COL | diff --git a/tests/ui/errors/remap-path-prefix-diagnostics.with-debuginfo-in-deps.stderr b/tests/ui/errors/remap-path-prefix-diagnostics.with-debuginfo-in-deps.stderr index 85c781425b1..a59af3b6a82 100644 --- a/tests/ui/errors/remap-path-prefix-diagnostics.with-debuginfo-in-deps.stderr +++ b/tests/ui/errors/remap-path-prefix-diagnostics.with-debuginfo-in-deps.stderr @@ -2,10 +2,8 @@ error[E0277]: `A` doesn't implement `std::fmt::Display` --> $DIR/remap-path-prefix-diagnostics.rs:LL:COL | LL | impl r#trait::Trait for A {} - | ^ `A` cannot be formatted with the default formatter + | ^ the trait `std::fmt::Display` is not implemented for `A` | - = help: the trait `std::fmt::Display` is not implemented for `A` - = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead note: required by a bound in `Trait` --> $DIR/auxiliary/trait-debuginfo.rs:LL:COL | diff --git a/tests/ui/errors/remap-path-prefix-diagnostics.with-diag-in-deps.stderr b/tests/ui/errors/remap-path-prefix-diagnostics.with-diag-in-deps.stderr index 08f7fb2c736..ca6f2b1697a 100644 --- a/tests/ui/errors/remap-path-prefix-diagnostics.with-diag-in-deps.stderr +++ b/tests/ui/errors/remap-path-prefix-diagnostics.with-diag-in-deps.stderr @@ -2,10 +2,8 @@ error[E0277]: `A` doesn't implement `std::fmt::Display` --> remapped/errors/remap-path-prefix-diagnostics.rs:LL:COL | LL | impl r#trait::Trait for A {} - | ^ `A` cannot be formatted with the default formatter + | ^ the trait `std::fmt::Display` is not implemented for `A` | - = help: the trait `std::fmt::Display` is not implemented for `A` - = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead note: required by a bound in `Trait` --> remapped/errors/auxiliary/trait-diag.rs:LL:COL | diff --git a/tests/ui/errors/remap-path-prefix-diagnostics.with-macro-in-deps.stderr b/tests/ui/errors/remap-path-prefix-diagnostics.with-macro-in-deps.stderr index d13333d2e48..9e770f07fba 100644 --- a/tests/ui/errors/remap-path-prefix-diagnostics.with-macro-in-deps.stderr +++ b/tests/ui/errors/remap-path-prefix-diagnostics.with-macro-in-deps.stderr @@ -2,10 +2,8 @@ error[E0277]: `A` doesn't implement `std::fmt::Display` --> $DIR/remap-path-prefix-diagnostics.rs:LL:COL | LL | impl r#trait::Trait for A {} - | ^ `A` cannot be formatted with the default formatter + | ^ the trait `std::fmt::Display` is not implemented for `A` | - = help: the trait `std::fmt::Display` is not implemented for `A` - = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead note: required by a bound in `Trait` --> $DIR/auxiliary/trait-macro.rs:LL:COL | diff --git a/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr b/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr index 9280dfdf92e..d2b1d71ab87 100644 --- a/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr +++ b/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr @@ -403,12 +403,6 @@ LL | #![link_section = "1800"] | = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! -warning: `#[must_use]` has no effect when applied to a module - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:72:1 - | -LL | #![must_use] - | ^^^^^^^^^^^^ - warning: attribute should be applied to a function definition --> $DIR/issue-43106-gating-of-builtin-attrs.rs:62:1 | @@ -417,6 +411,12 @@ LL | #![cold] | = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! +warning: `#[must_use]` has no effect when applied to a module + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:72:1 + | +LL | #![must_use] + | ^^^^^^^^^^^^ + warning: `#[macro_use]` only has an effect on `extern crate` and modules --> $DIR/issue-43106-gating-of-builtin-attrs.rs:176:5 | diff --git a/tests/ui/fmt/format-args-argument-span.stderr b/tests/ui/fmt/format-args-argument-span.stderr index 4e2702383d6..d46cfb438cf 100644 --- a/tests/ui/fmt/format-args-argument-span.stderr +++ b/tests/ui/fmt/format-args-argument-span.stderr @@ -12,7 +12,9 @@ error[E0277]: `Option<{integer}>` doesn't implement `std::fmt::Display` --> $DIR/format-args-argument-span.rs:15:37 | LL | println!("{x:?} {x} {x:?}", x = Some(1)); - | ^^^^^^^ `Option<{integer}>` cannot be formatted with the default formatter + | --- ^^^^^^^ `Option<{integer}>` cannot be formatted with the default formatter + | | + | required by this formatting parameter | = help: the trait `std::fmt::Display` is not implemented for `Option<{integer}>` = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead @@ -22,7 +24,7 @@ error[E0277]: `DisplayOnly` doesn't implement `Debug` --> $DIR/format-args-argument-span.rs:18:19 | LL | println!("{x} {x:?} {x}"); - | ^^^^^ `DisplayOnly` cannot be formatted using `{:?}` + | ^^^^^ `DisplayOnly` cannot be formatted using `{:?}` because it doesn't implement `Debug` | = help: the trait `Debug` is not implemented for `DisplayOnly` = note: add `#[derive(Debug)]` to `DisplayOnly` or manually `impl Debug for DisplayOnly` @@ -37,7 +39,9 @@ error[E0277]: `DisplayOnly` doesn't implement `Debug` --> $DIR/format-args-argument-span.rs:20:35 | LL | println!("{x} {x:?} {x}", x = DisplayOnly); - | ^^^^^^^^^^^ `DisplayOnly` cannot be formatted using `{:?}` + | ----- ^^^^^^^^^^^ `DisplayOnly` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | | + | required by this formatting parameter | = help: the trait `Debug` is not implemented for `DisplayOnly` = note: add `#[derive(Debug)]` to `DisplayOnly` or manually `impl Debug for DisplayOnly` diff --git a/tests/ui/fmt/ifmt-unimpl.stderr b/tests/ui/fmt/ifmt-unimpl.stderr index b8d4425a4a7..5e80f892dcb 100644 --- a/tests/ui/fmt/ifmt-unimpl.stderr +++ b/tests/ui/fmt/ifmt-unimpl.stderr @@ -4,7 +4,7 @@ error[E0277]: the trait bound `str: UpperHex` is not satisfied LL | format!("{:X}", "3"); | ---- ^^^ the trait `UpperHex` is not implemented for `str` | | - | required by a bound introduced by this call + | required by this formatting parameter | = help: the following other types implement trait `UpperHex`: &T @@ -17,8 +17,6 @@ LL | format!("{:X}", "3"); i32 and 9 others = note: required for `&str` to implement `UpperHex` -note: required by a bound in `core::fmt::rt::Argument::<'_>::new_upper_hex` - --> $SRC_DIR/core/src/fmt/rt.rs:LL:COL = note: this error originates in the macro `$crate::__export::format_args` which comes from the expansion of the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to 1 previous error diff --git a/tests/ui/fmt/non-source-literals.rs b/tests/ui/fmt/non-source-literals.rs new file mode 100644 index 00000000000..e3ffdb40a6b --- /dev/null +++ b/tests/ui/fmt/non-source-literals.rs @@ -0,0 +1,13 @@ +/// Do not point at the format string if it wasn't written in the source. +//@ forbid-output: required by this formatting parameter + +#[derive(Debug)] +pub struct NonDisplay; +pub struct NonDebug; + +fn main() { + let _ = format!(concat!("{", "}"), NonDisplay); //~ ERROR + let _ = format!(concat!("{", "0", "}"), NonDisplay); //~ ERROR + let _ = format!(concat!("{:", "?}"), NonDebug); //~ ERROR + let _ = format!(concat!("{", "0", ":?}"), NonDebug); //~ ERROR +} diff --git a/tests/ui/fmt/non-source-literals.stderr b/tests/ui/fmt/non-source-literals.stderr new file mode 100644 index 00000000000..5f8a6200dab --- /dev/null +++ b/tests/ui/fmt/non-source-literals.stderr @@ -0,0 +1,53 @@ +error[E0277]: `NonDisplay` doesn't implement `std::fmt::Display` + --> $DIR/non-source-literals.rs:9:40 + | +LL | let _ = format!(concat!("{", "}"), NonDisplay); + | ^^^^^^^^^^ `NonDisplay` cannot be formatted with the default formatter + | + = help: the trait `std::fmt::Display` is not implemented for `NonDisplay` + = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead + = note: this error originates in the macro `$crate::__export::format_args` which comes from the expansion of the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) + +error[E0277]: `NonDisplay` doesn't implement `std::fmt::Display` + --> $DIR/non-source-literals.rs:10:45 + | +LL | let _ = format!(concat!("{", "0", "}"), NonDisplay); + | ^^^^^^^^^^ `NonDisplay` cannot be formatted with the default formatter + | + = help: the trait `std::fmt::Display` is not implemented for `NonDisplay` + = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead + = note: this error originates in the macro `$crate::__export::format_args` which comes from the expansion of the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) + +error[E0277]: `NonDebug` doesn't implement `Debug` + --> $DIR/non-source-literals.rs:11:42 + | +LL | let _ = format!(concat!("{:", "?}"), NonDebug); + | ^^^^^^^^ `NonDebug` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | + = help: the trait `Debug` is not implemented for `NonDebug` + = note: add `#[derive(Debug)]` to `NonDebug` or manually `impl Debug for NonDebug` + = note: this error originates in the macro `$crate::__export::format_args` which comes from the expansion of the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) +help: consider annotating `NonDebug` with `#[derive(Debug)]` + | +LL + #[derive(Debug)] +LL | pub struct NonDebug; + | + +error[E0277]: `NonDebug` doesn't implement `Debug` + --> $DIR/non-source-literals.rs:12:47 + | +LL | let _ = format!(concat!("{", "0", ":?}"), NonDebug); + | ^^^^^^^^ `NonDebug` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | + = help: the trait `Debug` is not implemented for `NonDebug` + = note: add `#[derive(Debug)]` to `NonDebug` or manually `impl Debug for NonDebug` + = note: this error originates in the macro `$crate::__export::format_args` which comes from the expansion of the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) +help: consider annotating `NonDebug` with `#[derive(Debug)]` + | +LL + #[derive(Debug)] +LL | pub struct NonDebug; + | + +error: aborting due to 4 previous errors + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/generic-associated-types/generic-associated-types-where.stderr b/tests/ui/generic-associated-types/generic-associated-types-where.stderr index 7dce34650d7..637f86f7bec 100644 --- a/tests/ui/generic-associated-types/generic-associated-types-where.stderr +++ b/tests/ui/generic-associated-types/generic-associated-types-where.stderr @@ -2,9 +2,8 @@ error[E0277]: `T` doesn't implement `std::fmt::Display` --> $DIR/generic-associated-types-where.rs:18:22 | LL | type Assoc2<T> = Vec<T>; - | ^^^^^^ `T` cannot be formatted with the default formatter + | ^^^^^^ the trait `std::fmt::Display` is not implemented for `T` | - = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead help: consider restricting type parameter `T` with trait `Display` | LL | type Assoc2<T: std::fmt::Display> = Vec<T>; diff --git a/tests/ui/impl-trait/in-trait/doesnt-satisfy.stderr b/tests/ui/impl-trait/in-trait/doesnt-satisfy.stderr index 119195f17ff..df89ed9f3b5 100644 --- a/tests/ui/impl-trait/in-trait/doesnt-satisfy.stderr +++ b/tests/ui/impl-trait/in-trait/doesnt-satisfy.stderr @@ -2,10 +2,8 @@ error[E0277]: `()` doesn't implement `std::fmt::Display` --> $DIR/doesnt-satisfy.rs:6:17 | LL | fn bar() -> () {} - | ^^ `()` cannot be formatted with the default formatter + | ^^ the trait `std::fmt::Display` is not implemented for `()` | - = help: the trait `std::fmt::Display` is not implemented for `()` - = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead note: required by a bound in `Foo::bar::{anon_assoc#0}` --> $DIR/doesnt-satisfy.rs:2:22 | diff --git a/tests/ui/impl-trait/in-trait/wf-bounds.stderr b/tests/ui/impl-trait/in-trait/wf-bounds.stderr index 634557094ce..40a029cdc92 100644 --- a/tests/ui/impl-trait/in-trait/wf-bounds.stderr +++ b/tests/ui/impl-trait/in-trait/wf-bounds.stderr @@ -39,9 +39,8 @@ error[E0277]: `T` doesn't implement `std::fmt::Display` --> $DIR/wf-bounds.rs:21:26 | LL | fn nya4<T>() -> impl Wf<NeedsDisplay<T>>; - | ^^^^^^^^^^^^^^^^^^^ `T` cannot be formatted with the default formatter + | ^^^^^^^^^^^^^^^^^^^ the trait `std::fmt::Display` is not implemented for `T` | - = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead note: required by a bound in `NeedsDisplay` --> $DIR/wf-bounds.rs:9:24 | diff --git a/tests/ui/issues/issue-59488.stderr b/tests/ui/issues/issue-59488.stderr index ac8862716c0..b6611ad63a8 100644 --- a/tests/ui/issues/issue-59488.stderr +++ b/tests/ui/issues/issue-59488.stderr @@ -87,18 +87,16 @@ error[E0277]: `fn(usize) -> Foo {Foo::Bar}` doesn't implement `Debug` --> $DIR/issue-59488.rs:30:5 | LL | assert_eq!(Foo::Bar, i); - | ^^^^^^^^^^^^^^^^^^^^^^^ `fn(usize) -> Foo {Foo::Bar}` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | ^^^^^^^^^^^^^^^^^^^^^^^ the trait `Debug` is not implemented for fn item `fn(usize) -> Foo {Foo::Bar}` | - = help: the trait `Debug` is not implemented for fn item `fn(usize) -> Foo {Foo::Bar}` = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0277]: `fn(usize) -> Foo {Foo::Bar}` doesn't implement `Debug` --> $DIR/issue-59488.rs:30:5 | LL | assert_eq!(Foo::Bar, i); - | ^^^^^^^^^^^^^^^^^^^^^^^ `fn(usize) -> Foo {Foo::Bar}` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | ^^^^^^^^^^^^^^^^^^^^^^^ the trait `Debug` is not implemented for fn item `fn(usize) -> Foo {Foo::Bar}` | - = help: the trait `Debug` is not implemented for fn item `fn(usize) -> Foo {Foo::Bar}` = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to 10 previous errors diff --git a/tests/ui/issues/issue-70724-add_type_neq_err_label-unwrap.stderr b/tests/ui/issues/issue-70724-add_type_neq_err_label-unwrap.stderr index b30bcfb776c..736002c9335 100644 --- a/tests/ui/issues/issue-70724-add_type_neq_err_label-unwrap.stderr +++ b/tests/ui/issues/issue-70724-add_type_neq_err_label-unwrap.stderr @@ -26,9 +26,8 @@ LL | fn a() -> i32 { | - consider calling this function ... LL | assert_eq!(a, 0); - | ^^^^^^^^^^^^^^^^ `fn() -> i32 {a}` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | ^^^^^^^^^^^^^^^^ the trait `Debug` is not implemented for fn item `fn() -> i32 {a}` | - = help: the trait `Debug` is not implemented for fn item `fn() -> i32 {a}` = help: use parentheses to call this function: `a()` = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) diff --git a/tests/ui/lint/unused/unused-attr-duplicate.stderr b/tests/ui/lint/unused/unused-attr-duplicate.stderr index 03ce9757014..6fdd0adf4cf 100644 --- a/tests/ui/lint/unused/unused-attr-duplicate.stderr +++ b/tests/ui/lint/unused/unused-attr-duplicate.stderr @@ -66,19 +66,6 @@ LL | #[should_panic] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! error: unused attribute - --> $DIR/unused-attr-duplicate.rs:60:1 - | -LL | #[must_use = "some message"] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this attribute - | -note: attribute also specified here - --> $DIR/unused-attr-duplicate.rs:59:1 - | -LL | #[must_use] - | ^^^^^^^^^^^ - = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! - -error: unused attribute --> $DIR/unused-attr-duplicate.rs:66:1 | LL | #[non_exhaustive] @@ -265,6 +252,19 @@ LL | #[macro_export] | ^^^^^^^^^^^^^^^ error: unused attribute + --> $DIR/unused-attr-duplicate.rs:60:1 + | +LL | #[must_use = "some message"] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this attribute + | +note: attribute also specified here + --> $DIR/unused-attr-duplicate.rs:59:1 + | +LL | #[must_use] + | ^^^^^^^^^^^ + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + +error: unused attribute --> $DIR/unused-attr-duplicate.rs:74:1 | LL | #[inline(never)] diff --git a/tests/ui/methods/suggest-convert-ptr-to-ref.stderr b/tests/ui/methods/suggest-convert-ptr-to-ref.stderr index 7d52b20121e..8cb97ea458b 100644 --- a/tests/ui/methods/suggest-convert-ptr-to-ref.stderr +++ b/tests/ui/methods/suggest-convert-ptr-to-ref.stderr @@ -2,7 +2,7 @@ error[E0599]: `*const u8` doesn't implement `std::fmt::Display` --> $DIR/suggest-convert-ptr-to-ref.rs:5:22 | LL | println!("{}", z.to_string()); - | ^^^^^^^^^ `*const u8` cannot be formatted with the default formatter + | ^^^^^^^^^ method cannot be called on `*const u8` due to unsatisfied trait bounds | note: the method `to_string` exists on the type `&u8` --> $SRC_DIR/alloc/src/string.rs:LL:COL @@ -11,13 +11,12 @@ note: the method `to_string` exists on the type `&u8` = note: the following trait bounds were not satisfied: `*const u8: std::fmt::Display` which is required by `*const u8: ToString` - = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead error[E0599]: `*mut u8` doesn't implement `std::fmt::Display` --> $DIR/suggest-convert-ptr-to-ref.rs:8:22 | LL | println!("{}", t.to_string()); - | ^^^^^^^^^ `*mut u8` cannot be formatted with the default formatter + | ^^^^^^^^^ method cannot be called on `*mut u8` due to unsatisfied trait bounds | note: the method `to_string` exists on the type `&&mut u8` --> $SRC_DIR/alloc/src/string.rs:LL:COL @@ -26,7 +25,6 @@ note: the method `to_string` exists on the type `&&mut u8` = note: the following trait bounds were not satisfied: `*mut u8: std::fmt::Display` which is required by `*mut u8: ToString` - = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead error[E0599]: no method named `make_ascii_lowercase` found for raw pointer `*mut u8` in the current scope --> $DIR/suggest-convert-ptr-to-ref.rs:9:7 diff --git a/tests/ui/mismatched_types/method-help-unsatisfied-bound.stderr b/tests/ui/mismatched_types/method-help-unsatisfied-bound.stderr index be3a3e2abf1..23bc9dc0f84 100644 --- a/tests/ui/mismatched_types/method-help-unsatisfied-bound.stderr +++ b/tests/ui/mismatched_types/method-help-unsatisfied-bound.stderr @@ -2,9 +2,8 @@ error[E0277]: `Foo` doesn't implement `Debug` --> $DIR/method-help-unsatisfied-bound.rs:5:7 | LL | a.unwrap(); - | ^^^^^^ `Foo` cannot be formatted using `{:?}` + | ^^^^^^ the trait `Debug` is not implemented for `Foo` | - = help: the trait `Debug` is not implemented for `Foo` = note: add `#[derive(Debug)]` to `Foo` or manually `impl Debug for Foo` note: required by a bound in `Result::<T, E>::unwrap` --> $SRC_DIR/core/src/result.rs:LL:COL diff --git a/tests/ui/modules/issue-107649.stderr b/tests/ui/modules/issue-107649.stderr index 0d203c1aacb..802ac669a10 100644 --- a/tests/ui/modules/issue-107649.stderr +++ b/tests/ui/modules/issue-107649.stderr @@ -2,11 +2,10 @@ error[E0277]: `Dummy` doesn't implement `Debug` --> $DIR/issue-107649.rs:105:5 | 105 | dbg!(lib::Dummy); - | ^^^^^^^^^^^^^^^^ `Dummy` cannot be formatted using `{:?}` + | ^^^^^^^^^^^^^^^^ the trait `Debug` is not implemented for `Dummy` | - = help: the trait `Debug` is not implemented for `Dummy` = note: add `#[derive(Debug)]` to `Dummy` or manually `impl Debug for Dummy` - = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info) + = note: this error originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Dummy` with `#[derive(Debug)]` --> $DIR/auxiliary/dummy_lib.rs:2:1 | diff --git a/tests/ui/on-unimplemented/no-debug.stderr b/tests/ui/on-unimplemented/no-debug.stderr index 97d67dbd82e..5b0b060d40e 100644 --- a/tests/ui/on-unimplemented/no-debug.stderr +++ b/tests/ui/on-unimplemented/no-debug.stderr @@ -2,7 +2,9 @@ error[E0277]: `Foo` doesn't implement `Debug` --> $DIR/no-debug.rs:10:27 | LL | println!("{:?} {:?}", Foo, Bar); - | ^^^ `Foo` cannot be formatted using `{:?}` + | ---- ^^^ `Foo` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | | + | required by this formatting parameter | = help: the trait `Debug` is not implemented for `Foo` = note: add `#[derive(Debug)]` to `Foo` or manually `impl Debug for Foo` @@ -17,7 +19,9 @@ error[E0277]: `Bar` doesn't implement `Debug` --> $DIR/no-debug.rs:10:32 | LL | println!("{:?} {:?}", Foo, Bar); - | ^^^ `Bar` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | ---- ^^^ `Bar` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | | + | required by this formatting parameter | = help: the trait `Debug` is not implemented for `Bar` = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) @@ -26,7 +30,9 @@ error[E0277]: `Foo` doesn't implement `std::fmt::Display` --> $DIR/no-debug.rs:11:23 | LL | println!("{} {}", Foo, Bar); - | ^^^ `Foo` cannot be formatted with the default formatter + | -- ^^^ `Foo` cannot be formatted with the default formatter + | | + | required by this formatting parameter | = help: the trait `std::fmt::Display` is not implemented for `Foo` = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead @@ -36,7 +42,9 @@ error[E0277]: `Bar` doesn't implement `std::fmt::Display` --> $DIR/no-debug.rs:11:28 | LL | println!("{} {}", Foo, Bar); - | ^^^ `Bar` cannot be formatted with the default formatter + | -- ^^^ `Bar` cannot be formatted with the default formatter + | | + | required by this formatting parameter | = help: the trait `std::fmt::Display` is not implemented for `Bar` = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead diff --git a/tests/ui/parser/bad-lit-suffixes.rs b/tests/ui/parser/bad-lit-suffixes.rs index f29dc53d322..4e8edf4d46e 100644 --- a/tests/ui/parser/bad-lit-suffixes.rs +++ b/tests/ui/parser/bad-lit-suffixes.rs @@ -33,7 +33,6 @@ fn f() {} #[must_use = "string"suffix] //~^ ERROR suffixes on string literals are invalid -//~| ERROR malformed `must_use` attribute input fn g() {} #[link(name = "string"suffix)] diff --git a/tests/ui/parser/bad-lit-suffixes.stderr b/tests/ui/parser/bad-lit-suffixes.stderr index 86ef35bf783..416143e496a 100644 --- a/tests/ui/parser/bad-lit-suffixes.stderr +++ b/tests/ui/parser/bad-lit-suffixes.stderr @@ -22,29 +22,14 @@ error: suffixes on string literals are invalid LL | #[must_use = "string"suffix] | ^^^^^^^^^^^^^^ invalid suffix `suffix` -error: malformed `must_use` attribute input - --> $DIR/bad-lit-suffixes.rs:34:1 - | -LL | #[must_use = "string"suffix] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | -help: the following are the possible correct uses - | -LL - #[must_use = "string"suffix] -LL + #[must_use = "reason"] - | -LL - #[must_use = "string"suffix] -LL + #[must_use] - | - error: suffixes on string literals are invalid - --> $DIR/bad-lit-suffixes.rs:39:15 + --> $DIR/bad-lit-suffixes.rs:38:15 | LL | #[link(name = "string"suffix)] | ^^^^^^^^^^^^^^ invalid suffix `suffix` error: invalid suffix `suffix` for number literal - --> $DIR/bad-lit-suffixes.rs:43:41 + --> $DIR/bad-lit-suffixes.rs:42:41 | LL | #[rustc_layout_scalar_valid_range_start(0suffix)] | ^^^^^^^ invalid suffix `suffix` @@ -165,5 +150,5 @@ LL | 1.0e10suffix; | = help: valid suffixes are `f32` and `f64` -error: aborting due to 21 previous errors; 2 warnings emitted +error: aborting due to 20 previous errors; 2 warnings emitted diff --git a/tests/ui/parser/recover/recover-field-semi.rs b/tests/ui/parser/recover/recover-field-semi.rs index b703578860e..b6f235f8ad1 100644 --- a/tests/ui/parser/recover/recover-field-semi.rs +++ b/tests/ui/parser/recover/recover-field-semi.rs @@ -3,7 +3,7 @@ struct Foo { //~^ ERROR struct fields are separated by `,` } -union Bar { //~ ERROR +union Bar { foo: i32; //~^ ERROR union fields are separated by `,` } @@ -13,4 +13,6 @@ enum Baz { //~^ ERROR struct fields are separated by `,` } -fn main() {} +fn main() { + let _ = Foo { foo: "" }; //~ ERROR mismatched types +} diff --git a/tests/ui/parser/recover/recover-field-semi.stderr b/tests/ui/parser/recover/recover-field-semi.stderr index 3cf4847488c..9b1a34e134b 100644 --- a/tests/ui/parser/recover/recover-field-semi.stderr +++ b/tests/ui/parser/recover/recover-field-semi.stderr @@ -22,14 +22,12 @@ LL | Qux { foo: i32; } | | | while parsing this struct -error: unions cannot have zero fields - --> $DIR/recover-field-semi.rs:6:1 +error[E0308]: mismatched types + --> $DIR/recover-field-semi.rs:17:24 | -LL | / union Bar { -LL | | foo: i32; -LL | | -LL | | } - | |_^ +LL | let _ = Foo { foo: "" }; + | ^^ expected `i32`, found `&str` error: aborting due to 4 previous errors +For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/rfcs/rfc-2361-dbg-macro/dbg-macro-ref-impl.rs b/tests/ui/rfcs/rfc-2361-dbg-macro/dbg-macro-ref-impl.rs new file mode 100644 index 00000000000..c6e38c0758d --- /dev/null +++ b/tests/ui/rfcs/rfc-2361-dbg-macro/dbg-macro-ref-impl.rs @@ -0,0 +1,17 @@ +/// Check that only `&X: Debug` is required, not `X: Debug` +//@check-pass + +use std::fmt::Debug; +use std::fmt::Formatter; + +struct X; + +impl Debug for &X { + fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), std::fmt::Error> { + f.write_str("X") + } +} + +fn main() { + dbg!(X); +} diff --git a/tests/ui/rfcs/rfc-2361-dbg-macro/dbg-macro-requires-debug.rs b/tests/ui/rfcs/rfc-2361-dbg-macro/dbg-macro-requires-debug.rs index f2fb62d76f3..fe71f106fdf 100644 --- a/tests/ui/rfcs/rfc-2361-dbg-macro/dbg-macro-requires-debug.rs +++ b/tests/ui/rfcs/rfc-2361-dbg-macro/dbg-macro-requires-debug.rs @@ -1,4 +1,7 @@ // Test ensuring that `dbg!(expr)` requires the passed type to implement `Debug`. +// +// `dbg!` shouldn't tell the user about format literal syntax; the user didn't write one. +//@ forbid-output: cannot be formatted using struct NotDebug; diff --git a/tests/ui/rfcs/rfc-2361-dbg-macro/dbg-macro-requires-debug.stderr b/tests/ui/rfcs/rfc-2361-dbg-macro/dbg-macro-requires-debug.stderr index 7ec018a95cc..4e0ae918415 100644 --- a/tests/ui/rfcs/rfc-2361-dbg-macro/dbg-macro-requires-debug.stderr +++ b/tests/ui/rfcs/rfc-2361-dbg-macro/dbg-macro-requires-debug.stderr @@ -1,12 +1,11 @@ error[E0277]: `NotDebug` doesn't implement `Debug` - --> $DIR/dbg-macro-requires-debug.rs:6:23 + --> $DIR/dbg-macro-requires-debug.rs:9:23 | LL | let _: NotDebug = dbg!(NotDebug); - | ^^^^^^^^^^^^^^ `NotDebug` cannot be formatted using `{:?}` + | ^^^^^^^^^^^^^^ the trait `Debug` is not implemented for `NotDebug` | - = help: the trait `Debug` is not implemented for `NotDebug` = note: add `#[derive(Debug)]` to `NotDebug` or manually `impl Debug for NotDebug` - = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info) + = note: this error originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `NotDebug` with `#[derive(Debug)]` | LL + #[derive(Debug)] diff --git a/tests/ui/span/issue-71363.stderr b/tests/ui/span/issue-71363.stderr index 90b623e89cf..31069914daa 100644 --- a/tests/ui/span/issue-71363.stderr +++ b/tests/ui/span/issue-71363.stderr @@ -2,10 +2,8 @@ error[E0277]: `MyError` doesn't implement `std::fmt::Display` --> $DIR/issue-71363.rs:4:28 | 4 | impl std::error::Error for MyError {} - | ^^^^^^^ `MyError` cannot be formatted with the default formatter + | ^^^^^^^ the trait `std::fmt::Display` is not implemented for `MyError` | - = help: the trait `std::fmt::Display` is not implemented for `MyError` - = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead note: required by a bound in `std::error::Error` --> $SRC_DIR/core/src/error.rs:LL:COL @@ -13,9 +11,8 @@ error[E0277]: `MyError` doesn't implement `Debug` --> $DIR/issue-71363.rs:4:28 | 4 | impl std::error::Error for MyError {} - | ^^^^^^^ `MyError` cannot be formatted using `{:?}` + | ^^^^^^^ the trait `Debug` is not implemented for `MyError` | - = help: the trait `Debug` is not implemented for `MyError` = note: add `#[derive(Debug)]` to `MyError` or manually `impl Debug for MyError` note: required by a bound in `std::error::Error` --> $SRC_DIR/core/src/error.rs:LL:COL diff --git a/tests/ui/suggestions/bound-suggestions.stderr b/tests/ui/suggestions/bound-suggestions.stderr index f23e086afe4..ec1d23fac45 100644 --- a/tests/ui/suggestions/bound-suggestions.stderr +++ b/tests/ui/suggestions/bound-suggestions.stderr @@ -2,7 +2,9 @@ error[E0277]: `impl Sized` doesn't implement `Debug` --> $DIR/bound-suggestions.rs:9:22 | LL | println!("{:?}", t); - | ^ `impl Sized` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | ---- ^ `impl Sized` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | | + | required by this formatting parameter | = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider restricting opaque type `impl Sized` with trait `Debug` @@ -14,7 +16,9 @@ error[E0277]: `T` doesn't implement `Debug` --> $DIR/bound-suggestions.rs:15:22 | LL | println!("{:?}", t); - | ^ `T` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | ---- ^ `T` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | | + | required by this formatting parameter | = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider restricting type parameter `T` with trait `Debug` @@ -26,7 +30,9 @@ error[E0277]: `T` doesn't implement `Debug` --> $DIR/bound-suggestions.rs:21:22 | LL | println!("{:?}", t); - | ^ `T` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | ---- ^ `T` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | | + | required by this formatting parameter | = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider further restricting type parameter `T` with trait `Debug` @@ -38,7 +44,9 @@ error[E0277]: `Y` doesn't implement `Debug` --> $DIR/bound-suggestions.rs:27:30 | LL | println!("{:?} {:?}", x, y); - | ^ `Y` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | ---- ^ `Y` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | | + | required by this formatting parameter | = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider further restricting type parameter `Y` with trait `Debug` @@ -50,7 +58,9 @@ error[E0277]: `X` doesn't implement `Debug` --> $DIR/bound-suggestions.rs:33:22 | LL | println!("{:?}", x); - | ^ `X` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | ---- ^ `X` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | | + | required by this formatting parameter | = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider further restricting type parameter `X` with trait `Debug` @@ -62,7 +72,9 @@ error[E0277]: `X` doesn't implement `Debug` --> $DIR/bound-suggestions.rs:39:22 | LL | println!("{:?}", x); - | ^ `X` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | ---- ^ `X` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | | + | required by this formatting parameter | = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider further restricting type parameter `X` with trait `Debug` diff --git a/tests/ui/suggestions/derive-macro-missing-bounds.stderr b/tests/ui/suggestions/derive-macro-missing-bounds.stderr index 68c8204d1e1..b28f39ced54 100644 --- a/tests/ui/suggestions/derive-macro-missing-bounds.stderr +++ b/tests/ui/suggestions/derive-macro-missing-bounds.stderr @@ -4,9 +4,8 @@ error[E0277]: `a::Inner<T>` doesn't implement `Debug` LL | #[derive(Debug)] | ----- in this derive macro expansion LL | struct Outer<T>(Inner<T>); - | ^^^^^^^^ `a::Inner<T>` cannot be formatted using `{:?}` + | ^^^^^^^^ the trait `Debug` is not implemented for `a::Inner<T>` | - = help: the trait `Debug` is not implemented for `a::Inner<T>` = note: add `#[derive(Debug)]` to `a::Inner<T>` or manually `impl Debug for a::Inner<T>` help: consider annotating `a::Inner<T>` with `#[derive(Debug)]` | diff --git a/tests/ui/suggestions/dyn-incompatible-trait-should-use-self-2021-without-dyn.rs b/tests/ui/suggestions/dyn-incompatible-trait-should-use-self-2021-without-dyn.rs index 10b4781eb04..97a0e005f86 100644 --- a/tests/ui/suggestions/dyn-incompatible-trait-should-use-self-2021-without-dyn.rs +++ b/tests/ui/suggestions/dyn-incompatible-trait-should-use-self-2021-without-dyn.rs @@ -4,19 +4,16 @@ trait A: Sized { fn f(a: A) -> A; //~^ ERROR expected a type, found a trait //~| ERROR expected a type, found a trait - //~| ERROR associated item referring to unboxed trait object for its own trait } trait B { fn f(b: B) -> B; //~^ ERROR expected a type, found a trait //~| ERROR expected a type, found a trait - //~| ERROR associated item referring to unboxed trait object for its own trait } trait C { fn f(&self, c: C) -> C; //~^ ERROR expected a type, found a trait //~| ERROR expected a type, found a trait - //~| ERROR associated item referring to unboxed trait object for its own trait } fn main() {} diff --git a/tests/ui/suggestions/dyn-incompatible-trait-should-use-self-2021-without-dyn.stderr b/tests/ui/suggestions/dyn-incompatible-trait-should-use-self-2021-without-dyn.stderr index e189012d15c..c4dab4691f4 100644 --- a/tests/ui/suggestions/dyn-incompatible-trait-should-use-self-2021-without-dyn.stderr +++ b/tests/ui/suggestions/dyn-incompatible-trait-should-use-self-2021-without-dyn.stderr @@ -26,22 +26,8 @@ help: `A` is dyn-incompatible, use `impl A` to return an opaque type, as long as LL | fn f(a: A) -> impl A; | ++++ -error: associated item referring to unboxed trait object for its own trait - --> $DIR/dyn-incompatible-trait-should-use-self-2021-without-dyn.rs:4:13 - | -LL | trait A: Sized { - | - in this trait -LL | fn f(a: A) -> A; - | ^ ^ - | -help: you might have meant to use `Self` to refer to the implementing type - | -LL - fn f(a: A) -> A; -LL + fn f(a: Self) -> Self; - | - error[E0782]: expected a type, found a trait - --> $DIR/dyn-incompatible-trait-should-use-self-2021-without-dyn.rs:10:13 + --> $DIR/dyn-incompatible-trait-should-use-self-2021-without-dyn.rs:9:13 | LL | fn f(b: B) -> B; | ^ @@ -58,7 +44,7 @@ LL | fn f(b: impl B) -> B; | ++++ error[E0782]: expected a type, found a trait - --> $DIR/dyn-incompatible-trait-should-use-self-2021-without-dyn.rs:10:19 + --> $DIR/dyn-incompatible-trait-should-use-self-2021-without-dyn.rs:9:19 | LL | fn f(b: B) -> B; | ^ @@ -68,22 +54,8 @@ help: `B` is dyn-incompatible, use `impl B` to return an opaque type, as long as LL | fn f(b: B) -> impl B; | ++++ -error: associated item referring to unboxed trait object for its own trait - --> $DIR/dyn-incompatible-trait-should-use-self-2021-without-dyn.rs:10:13 - | -LL | trait B { - | - in this trait -LL | fn f(b: B) -> B; - | ^ ^ - | -help: you might have meant to use `Self` to refer to the implementing type - | -LL - fn f(b: B) -> B; -LL + fn f(b: Self) -> Self; - | - error[E0782]: expected a type, found a trait - --> $DIR/dyn-incompatible-trait-should-use-self-2021-without-dyn.rs:16:20 + --> $DIR/dyn-incompatible-trait-should-use-self-2021-without-dyn.rs:14:20 | LL | fn f(&self, c: C) -> C; | ^ @@ -100,7 +72,7 @@ LL | fn f(&self, c: impl C) -> C; | ++++ error[E0782]: expected a type, found a trait - --> $DIR/dyn-incompatible-trait-should-use-self-2021-without-dyn.rs:16:26 + --> $DIR/dyn-incompatible-trait-should-use-self-2021-without-dyn.rs:14:26 | LL | fn f(&self, c: C) -> C; | ^ @@ -110,20 +82,6 @@ help: `C` is dyn-incompatible, use `impl C` to return an opaque type, as long as LL | fn f(&self, c: C) -> impl C; | ++++ -error: associated item referring to unboxed trait object for its own trait - --> $DIR/dyn-incompatible-trait-should-use-self-2021-without-dyn.rs:16:20 - | -LL | trait C { - | - in this trait -LL | fn f(&self, c: C) -> C; - | ^ ^ - | -help: you might have meant to use `Self` to refer to the implementing type - | -LL - fn f(&self, c: C) -> C; -LL + fn f(&self, c: Self) -> Self; - | - -error: aborting due to 9 previous errors +error: aborting due to 6 previous errors For more information about this error, try `rustc --explain E0782`. diff --git a/tests/ui/suggestions/dyn-incompatible-trait-should-use-self-2021.rs b/tests/ui/suggestions/dyn-incompatible-trait-should-use-self-2021.rs index 747926c400a..a798b1bd578 100644 --- a/tests/ui/suggestions/dyn-incompatible-trait-should-use-self-2021.rs +++ b/tests/ui/suggestions/dyn-incompatible-trait-should-use-self-2021.rs @@ -2,13 +2,11 @@ #![allow(bare_trait_objects)] trait A: Sized { fn f(a: dyn A) -> dyn A; - //~^ ERROR associated item referring to unboxed trait object for its own trait - //~| ERROR the trait `A` is not dyn compatible + //~^ ERROR the trait `A` is not dyn compatible } trait B { fn f(a: dyn B) -> dyn B; - //~^ ERROR associated item referring to unboxed trait object for its own trait - //~| ERROR the trait `B` is not dyn compatible + //~^ ERROR the trait `B` is not dyn compatible } trait C { fn f(&self, a: dyn C) -> dyn C; diff --git a/tests/ui/suggestions/dyn-incompatible-trait-should-use-self-2021.stderr b/tests/ui/suggestions/dyn-incompatible-trait-should-use-self-2021.stderr index 2e3919db1b7..4ccf65b68bf 100644 --- a/tests/ui/suggestions/dyn-incompatible-trait-should-use-self-2021.stderr +++ b/tests/ui/suggestions/dyn-incompatible-trait-should-use-self-2021.stderr @@ -1,17 +1,3 @@ -error: associated item referring to unboxed trait object for its own trait - --> $DIR/dyn-incompatible-trait-should-use-self-2021.rs:4:13 - | -LL | trait A: Sized { - | - in this trait -LL | fn f(a: dyn A) -> dyn A; - | ^^^^^ ^^^^^ - | -help: you might have meant to use `Self` to refer to the implementing type - | -LL - fn f(a: dyn A) -> dyn A; -LL + fn f(a: Self) -> Self; - | - error[E0038]: the trait `A` is not dyn compatible --> $DIR/dyn-incompatible-trait-should-use-self-2021.rs:4:13 | @@ -26,30 +12,21 @@ LL | trait A: Sized { | - ^^^^^ ...because it requires `Self: Sized` | | | this trait is not dyn compatible... - -error: associated item referring to unboxed trait object for its own trait - --> $DIR/dyn-incompatible-trait-should-use-self-2021.rs:9:13 - | -LL | trait B { - | - in this trait -LL | fn f(a: dyn B) -> dyn B; - | ^^^^^ ^^^^^ - | help: you might have meant to use `Self` to refer to the implementing type | -LL - fn f(a: dyn B) -> dyn B; -LL + fn f(a: Self) -> Self; +LL - fn f(a: dyn A) -> dyn A; +LL + fn f(a: Self) -> dyn A; | error[E0038]: the trait `B` is not dyn compatible - --> $DIR/dyn-incompatible-trait-should-use-self-2021.rs:9:13 + --> $DIR/dyn-incompatible-trait-should-use-self-2021.rs:8:13 | LL | fn f(a: dyn B) -> dyn B; | ^^^^^ `B` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> - --> $DIR/dyn-incompatible-trait-should-use-self-2021.rs:9:8 + --> $DIR/dyn-incompatible-trait-should-use-self-2021.rs:8:8 | LL | trait B { | - this trait is not dyn compatible... @@ -63,7 +40,12 @@ help: alternatively, consider constraining `f` so it does not apply to trait obj | LL | fn f(a: dyn B) -> dyn B where Self: Sized; | +++++++++++++++++ +help: you might have meant to use `Self` to refer to the implementing type + | +LL - fn f(a: dyn B) -> dyn B; +LL + fn f(a: Self) -> dyn B; + | -error: aborting due to 4 previous errors +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0038`. diff --git a/tests/ui/suggestions/dyn-incompatible-trait-should-use-self.rs b/tests/ui/suggestions/dyn-incompatible-trait-should-use-self.rs index 63fe5ebaea4..d8e9d381dbd 100644 --- a/tests/ui/suggestions/dyn-incompatible-trait-should-use-self.rs +++ b/tests/ui/suggestions/dyn-incompatible-trait-should-use-self.rs @@ -1,12 +1,10 @@ trait A: Sized { fn f(a: dyn A) -> dyn A; - //~^ ERROR associated item referring to unboxed trait object for its own trait - //~| ERROR the trait `A` is not dyn compatible + //~^ ERROR the trait `A` is not dyn compatible } trait B { fn f(a: dyn B) -> dyn B; - //~^ ERROR associated item referring to unboxed trait object for its own trait - //~| ERROR the trait `B` is not dyn compatible + //~^ ERROR the trait `B` is not dyn compatible } trait C { fn f(&self, a: dyn C) -> dyn C; diff --git a/tests/ui/suggestions/dyn-incompatible-trait-should-use-self.stderr b/tests/ui/suggestions/dyn-incompatible-trait-should-use-self.stderr index e8384afed7a..bda1d01e23f 100644 --- a/tests/ui/suggestions/dyn-incompatible-trait-should-use-self.stderr +++ b/tests/ui/suggestions/dyn-incompatible-trait-should-use-self.stderr @@ -1,17 +1,3 @@ -error: associated item referring to unboxed trait object for its own trait - --> $DIR/dyn-incompatible-trait-should-use-self.rs:2:13 - | -LL | trait A: Sized { - | - in this trait -LL | fn f(a: dyn A) -> dyn A; - | ^^^^^ ^^^^^ - | -help: you might have meant to use `Self` to refer to the implementing type - | -LL - fn f(a: dyn A) -> dyn A; -LL + fn f(a: Self) -> Self; - | - error[E0038]: the trait `A` is not dyn compatible --> $DIR/dyn-incompatible-trait-should-use-self.rs:2:13 | @@ -26,30 +12,21 @@ LL | trait A: Sized { | - ^^^^^ ...because it requires `Self: Sized` | | | this trait is not dyn compatible... - -error: associated item referring to unboxed trait object for its own trait - --> $DIR/dyn-incompatible-trait-should-use-self.rs:7:13 - | -LL | trait B { - | - in this trait -LL | fn f(a: dyn B) -> dyn B; - | ^^^^^ ^^^^^ - | help: you might have meant to use `Self` to refer to the implementing type | -LL - fn f(a: dyn B) -> dyn B; -LL + fn f(a: Self) -> Self; +LL - fn f(a: dyn A) -> dyn A; +LL + fn f(a: Self) -> dyn A; | error[E0038]: the trait `B` is not dyn compatible - --> $DIR/dyn-incompatible-trait-should-use-self.rs:7:13 + --> $DIR/dyn-incompatible-trait-should-use-self.rs:6:13 | LL | fn f(a: dyn B) -> dyn B; | ^^^^^ `B` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> - --> $DIR/dyn-incompatible-trait-should-use-self.rs:7:8 + --> $DIR/dyn-incompatible-trait-should-use-self.rs:6:8 | LL | trait B { | - this trait is not dyn compatible... @@ -63,7 +40,12 @@ help: alternatively, consider constraining `f` so it does not apply to trait obj | LL | fn f(a: dyn B) -> dyn B where Self: Sized; | +++++++++++++++++ +help: you might have meant to use `Self` to refer to the implementing type + | +LL - fn f(a: dyn B) -> dyn B; +LL + fn f(a: Self) -> dyn B; + | -error: aborting due to 4 previous errors +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0038`. diff --git a/tests/ui/suggestions/impl-trait-with-missing-bounds.stderr b/tests/ui/suggestions/impl-trait-with-missing-bounds.stderr index d0ce7c9ed4e..b3f1865dd30 100644 --- a/tests/ui/suggestions/impl-trait-with-missing-bounds.stderr +++ b/tests/ui/suggestions/impl-trait-with-missing-bounds.stderr @@ -2,11 +2,10 @@ error[E0277]: `<impl Iterator as Iterator>::Item` doesn't implement `Debug` --> $DIR/impl-trait-with-missing-bounds.rs:6:13 | LL | qux(constraint); - | --- ^^^^^^^^^^ `<impl Iterator as Iterator>::Item` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | --- ^^^^^^^^^^ the trait `Debug` is not implemented for `<impl Iterator as Iterator>::Item` | | | required by a bound introduced by this call | - = help: the trait `Debug` is not implemented for `<impl Iterator as Iterator>::Item` note: required by a bound in `qux` --> $DIR/impl-trait-with-missing-bounds.rs:50:16 | @@ -22,11 +21,10 @@ error[E0277]: `<impl Iterator as Iterator>::Item` doesn't implement `Debug` --> $DIR/impl-trait-with-missing-bounds.rs:14:13 | LL | qux(constraint); - | --- ^^^^^^^^^^ `<impl Iterator as Iterator>::Item` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | --- ^^^^^^^^^^ the trait `Debug` is not implemented for `<impl Iterator as Iterator>::Item` | | | required by a bound introduced by this call | - = help: the trait `Debug` is not implemented for `<impl Iterator as Iterator>::Item` note: required by a bound in `qux` --> $DIR/impl-trait-with-missing-bounds.rs:50:16 | @@ -42,11 +40,10 @@ error[E0277]: `<impl Iterator as Iterator>::Item` doesn't implement `Debug` --> $DIR/impl-trait-with-missing-bounds.rs:22:13 | LL | qux(constraint); - | --- ^^^^^^^^^^ `<impl Iterator as Iterator>::Item` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | --- ^^^^^^^^^^ the trait `Debug` is not implemented for `<impl Iterator as Iterator>::Item` | | | required by a bound introduced by this call | - = help: the trait `Debug` is not implemented for `<impl Iterator as Iterator>::Item` note: required by a bound in `qux` --> $DIR/impl-trait-with-missing-bounds.rs:50:16 | @@ -62,11 +59,10 @@ error[E0277]: `<impl Iterator as Iterator>::Item` doesn't implement `Debug` --> $DIR/impl-trait-with-missing-bounds.rs:30:13 | LL | qux(constraint); - | --- ^^^^^^^^^^ `<impl Iterator as Iterator>::Item` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | --- ^^^^^^^^^^ the trait `Debug` is not implemented for `<impl Iterator as Iterator>::Item` | | | required by a bound introduced by this call | - = help: the trait `Debug` is not implemented for `<impl Iterator as Iterator>::Item` note: required by a bound in `qux` --> $DIR/impl-trait-with-missing-bounds.rs:50:16 | @@ -82,11 +78,10 @@ error[E0277]: `<impl Iterator + std::fmt::Debug as Iterator>::Item` doesn't impl --> $DIR/impl-trait-with-missing-bounds.rs:37:13 | LL | qux(constraint); - | --- ^^^^^^^^^^ `<impl Iterator + std::fmt::Debug as Iterator>::Item` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | --- ^^^^^^^^^^ the trait `Debug` is not implemented for `<impl Iterator + std::fmt::Debug as Iterator>::Item` | | | required by a bound introduced by this call | - = help: the trait `Debug` is not implemented for `<impl Iterator + std::fmt::Debug as Iterator>::Item` note: required by a bound in `qux` --> $DIR/impl-trait-with-missing-bounds.rs:50:16 | @@ -102,11 +97,10 @@ error[E0277]: `<impl Iterator as Iterator>::Item` doesn't implement `Debug` --> $DIR/impl-trait-with-missing-bounds.rs:45:13 | LL | qux(constraint); - | --- ^^^^^^^^^^ `<impl Iterator as Iterator>::Item` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | --- ^^^^^^^^^^ the trait `Debug` is not implemented for `<impl Iterator as Iterator>::Item` | | | required by a bound introduced by this call | - = help: the trait `Debug` is not implemented for `<impl Iterator as Iterator>::Item` note: required by a bound in `qux` --> $DIR/impl-trait-with-missing-bounds.rs:50:16 | diff --git a/tests/ui/suggestions/issue-116434-2015.rs b/tests/ui/suggestions/issue-116434-2015.rs index bad9d02321c..e0438cdef25 100644 --- a/tests/ui/suggestions/issue-116434-2015.rs +++ b/tests/ui/suggestions/issue-116434-2015.rs @@ -11,6 +11,7 @@ trait Foo { //~| HELP if this is a dyn-compatible trait, use `dyn` //~| ERROR the trait `Clone` is not dyn compatible [E0038] //~| HELP there is an associated type with the same name + //~| HELP use `Self` to refer to the implementing type } trait DbHandle: Sized {} @@ -26,6 +27,7 @@ trait DbInterface { //~| HELP if this is a dyn-compatible trait, use `dyn` //~| ERROR the trait `DbHandle` is not dyn compatible [E0038] //~| HELP there is an associated type with the same name + //~| HELP use `Self` to refer to the implementing type } fn main() {} diff --git a/tests/ui/suggestions/issue-116434-2015.stderr b/tests/ui/suggestions/issue-116434-2015.stderr index a0a99cc560d..cad5812da66 100644 --- a/tests/ui/suggestions/issue-116434-2015.stderr +++ b/tests/ui/suggestions/issue-116434-2015.stderr @@ -35,13 +35,18 @@ LL | fn foo() -> Clone; = note: the trait is not dyn compatible because it requires `Self: Sized` = note: for a trait to be dyn compatible it needs to allow building a vtable for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> +help: you might have meant to use `Self` to refer to the implementing type + | +LL - fn foo() -> Clone; +LL + fn foo() -> Self; + | help: there is an associated type with the same name | LL | fn foo() -> Self::Clone; | ++++++ warning: trait objects without an explicit `dyn` are deprecated - --> $DIR/issue-116434-2015.rs:20:20 + --> $DIR/issue-116434-2015.rs:21:20 | LL | fn handle() -> DbHandle; | ^^^^^^^^ @@ -54,7 +59,7 @@ LL | fn handle() -> dyn DbHandle; | +++ warning: trait objects without an explicit `dyn` are deprecated - --> $DIR/issue-116434-2015.rs:20:20 + --> $DIR/issue-116434-2015.rs:21:20 | LL | fn handle() -> DbHandle; | ^^^^^^^^ @@ -68,19 +73,24 @@ LL | fn handle() -> dyn DbHandle; | +++ error[E0038]: the trait `DbHandle` is not dyn compatible - --> $DIR/issue-116434-2015.rs:20:20 + --> $DIR/issue-116434-2015.rs:21:20 | LL | fn handle() -> DbHandle; | ^^^^^^^^ `DbHandle` is not dyn compatible | note: for a trait to be dyn compatible it needs to allow building a vtable for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> - --> $DIR/issue-116434-2015.rs:16:17 + --> $DIR/issue-116434-2015.rs:17:17 | LL | trait DbHandle: Sized {} | -------- ^^^^^ ...because it requires `Self: Sized` | | | this trait is not dyn compatible... +help: you might have meant to use `Self` to refer to the implementing type + | +LL - fn handle() -> DbHandle; +LL + fn handle() -> Self; + | help: there is an associated type with the same name | LL | fn handle() -> Self::DbHandle; diff --git a/tests/ui/suggestions/issue-81098.stderr b/tests/ui/suggestions/issue-81098.stderr index 4dc47a20282..36948469a31 100644 --- a/tests/ui/suggestions/issue-81098.stderr +++ b/tests/ui/suggestions/issue-81098.stderr @@ -2,23 +2,17 @@ error[E0277]: `()` doesn't implement `std::fmt::Display` --> $DIR/issue-81098.rs:3:13 | LL | fn wat() -> impl core::fmt::Display { - | ^^^^^^^^^^^^^^^^^^^^^^^ `()` cannot be formatted with the default formatter - | - = help: the trait `std::fmt::Display` is not implemented for `()` - = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead + | ^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::fmt::Display` is not implemented for `()` error[E0277]: `()` doesn't implement `std::fmt::Display` --> $DIR/issue-81098.rs:9:12 | LL | fn ok() -> impl core::fmt::Display { - | ^^^^^^^^^^^^^^^^^^^^^^^ `()` cannot be formatted with the default formatter + | ^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::fmt::Display` is not implemented for `()` LL | 1; | -- help: remove this semicolon | | | this expression has type `{integer}`, which implements `std::fmt::Display` - | - = help: the trait `std::fmt::Display` is not implemented for `()` - = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead error: aborting due to 2 previous errors diff --git a/tests/ui/suggestions/issue-97760.stderr b/tests/ui/suggestions/issue-97760.stderr index ddd143b967c..1084ea7c9e0 100644 --- a/tests/ui/suggestions/issue-97760.stderr +++ b/tests/ui/suggestions/issue-97760.stderr @@ -2,7 +2,10 @@ error[E0277]: `<impl IntoIterator as IntoIterator>::Item` doesn't implement `std --> $DIR/issue-97760.rs:4:20 | LL | println!("{x}"); - | ^ `<impl IntoIterator as IntoIterator>::Item` cannot be formatted with the default formatter + | -^- + | || + | |`<impl IntoIterator as IntoIterator>::Item` cannot be formatted with the default formatter + | required by this formatting parameter | = help: the trait `std::fmt::Display` is not implemented for `<impl IntoIterator as IntoIterator>::Item` = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead 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 3f8b6f93e1f..e3375b67c86 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 @@ -21,7 +21,7 @@ error[E0277]: `K` doesn't implement `Debug` --> $DIR/missing-bound-in-derive-copy-impl-3.rs:12:14 | LL | pub loc: Vector2<K>, - | ^^^^^^^^^^ `K` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | ^^^^^^^^^^ the trait `Debug` is not implemented for `K` | note: required by a bound in `Vector2` --> $DIR/missing-bound-in-derive-copy-impl-3.rs:5:23 @@ -40,7 +40,7 @@ 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` + | ^^^^^^^^^^^^^^^^^^^ the trait `Debug` is not implemented for `K` | help: consider further restricting type parameter `K` with trait `Debug` | @@ -54,7 +54,7 @@ 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` + | ^^^^^^^^^^^^^^^^^^^^ the trait `Debug` is not implemented for `K` | help: consider further restricting type parameter `K` with trait `Debug` | 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 3766e3e2c7b..645d6ebb396 100644 --- a/tests/ui/suggestions/missing-bound-in-derive-copy-impl.stderr +++ b/tests/ui/suggestions/missing-bound-in-derive-copy-impl.stderr @@ -21,7 +21,7 @@ error[E0277]: `K` doesn't implement `Debug` --> $DIR/missing-bound-in-derive-copy-impl.rs:11:14 | LL | pub loc: Vector2<K>, - | ^^^^^^^^^^ `K` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | ^^^^^^^^^^ the trait `Debug` is not implemented for `K` | note: required by a bound in `Vector2` --> $DIR/missing-bound-in-derive-copy-impl.rs:4:23 @@ -78,7 +78,7 @@ 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` + | ^^^^^^^^^^^^^^^^^^^ the trait `Debug` is not implemented for `K` | help: consider restricting type parameter `K` with trait `Debug` | @@ -111,7 +111,7 @@ 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` + | ^^^^^^^^^^^^^^^^^^^^ the trait `Debug` is not implemented for `K` | help: consider restricting type parameter `K` with trait `Debug` | diff --git a/tests/ui/suggestions/path-display.stderr b/tests/ui/suggestions/path-display.stderr index 46d0b35825b..0c7271b3c1c 100644 --- a/tests/ui/suggestions/path-display.stderr +++ b/tests/ui/suggestions/path-display.stderr @@ -2,18 +2,23 @@ error[E0277]: `Path` doesn't implement `std::fmt::Display` --> $DIR/path-display.rs:5:20 | LL | println!("{}", path); - | ^^^^ `Path` cannot be formatted with the default formatter; call `.display()` on it + | -- ^^^^ `Path` cannot be formatted with the default formatter; call `.display()` on it + | | + | required by this formatting parameter | = help: the trait `std::fmt::Display` is not implemented for `Path` = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead = note: call `.display()` or `.to_string_lossy()` to safely print paths, as they may contain non-Unicode data + = note: required for `&Path` to implement `std::fmt::Display` = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0277]: `PathBuf` doesn't implement `std::fmt::Display` --> $DIR/path-display.rs:9:20 | LL | println!("{}", path); - | ^^^^ `PathBuf` cannot be formatted with the default formatter; call `.display()` on it + | -- ^^^^ `PathBuf` cannot be formatted with the default formatter; call `.display()` on it + | | + | required by this formatting parameter | = help: the trait `std::fmt::Display` is not implemented for `PathBuf` = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead diff --git a/tests/ui/traits/on_unimplemented_long_types.stderr b/tests/ui/traits/on_unimplemented_long_types.stderr index 1628466e081..f32d99a42b1 100644 --- a/tests/ui/traits/on_unimplemented_long_types.stderr +++ b/tests/ui/traits/on_unimplemented_long_types.stderr @@ -2,7 +2,7 @@ error[E0277]: `Option<Option<Option<...>>>` doesn't implement `std::fmt::Display --> $DIR/on_unimplemented_long_types.rs:3:17 | LL | pub fn foo() -> impl std::fmt::Display { - | ^^^^^^^^^^^^^^^^^^^^^^ `Option<Option<Option<...>>>` cannot be formatted with the default formatter + | ^^^^^^^^^^^^^^^^^^^^^^ unsatisfied trait bound LL | LL | / Some(Some(Some(Some(Some(Some(Some(Some(Some(S... LL | | Some(Some(Some(Some(Some(Some(Some(Some(So... @@ -14,7 +14,6 @@ LL | | ))))))))))) | |_______________- return type was inferred to be `Option<Option<Option<...>>>` here | = help: the trait `std::fmt::Display` is not implemented for `Option<Option<Option<...>>>` - = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead = note: the full name for the type has been written to '$TEST_BUILD_DIR/on_unimplemented_long_types.long-type-$LONG_TYPE_HASH.txt' = note: consider using `--verbose` to print the full type name to the console diff --git a/tests/ui/traits/suggest-remove-deref-issue-140166.stderr b/tests/ui/traits/suggest-remove-deref-issue-140166.stderr index 90f24d86d53..7c61f957fdc 100644 --- a/tests/ui/traits/suggest-remove-deref-issue-140166.stderr +++ b/tests/ui/traits/suggest-remove-deref-issue-140166.stderr @@ -4,7 +4,7 @@ error[E0277]: the trait bound `&Chars: Trait` is not satisfied LL | format_args!("{:?}", FlatMap(&Chars)); | ---- ^^^^^^^^^^^^^^^ the trait `Trait` is not implemented for `&Chars` | | - | required by a bound introduced by this call + | required by this formatting parameter | = help: the trait `Trait` is implemented for `Chars` note: required for `FlatMap<&Chars>` to implement `Debug` @@ -14,8 +14,6 @@ LL | impl<T: Trait> std::fmt::Debug for FlatMap<T> { | ----- ^^^^^^^^^^^^^^^ ^^^^^^^^^^ | | | unsatisfied trait bound introduced here -note: required by a bound in `core::fmt::rt::Argument::<'_>::new_debug` - --> $SRC_DIR/core/src/fmt/rt.rs:LL:COL error: aborting due to 1 previous error diff --git a/tests/ui/type-alias-impl-trait/bounds-are-checked3.stderr b/tests/ui/type-alias-impl-trait/bounds-are-checked3.stderr index c0f6d678097..01d24cabf48 100644 --- a/tests/ui/type-alias-impl-trait/bounds-are-checked3.stderr +++ b/tests/ui/type-alias-impl-trait/bounds-are-checked3.stderr @@ -2,9 +2,8 @@ error[E0277]: `T` doesn't implement `std::fmt::Display` --> $DIR/bounds-are-checked3.rs:9:35 | LL | type Foo<T: Debug> = (impl Debug, Struct<T>); - | ^^^^^^^^^ `T` cannot be formatted with the default formatter + | ^^^^^^^^^ the trait `std::fmt::Display` is not implemented for `T` | - = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead note: required by a bound in `Struct` --> $DIR/bounds-are-checked3.rs:5:18 | diff --git a/tests/ui/type-alias-impl-trait/generic_duplicate_param_use2.stderr b/tests/ui/type-alias-impl-trait/generic_duplicate_param_use2.stderr index ef0e73f1481..193f0c92c9d 100644 --- a/tests/ui/type-alias-impl-trait/generic_duplicate_param_use2.stderr +++ b/tests/ui/type-alias-impl-trait/generic_duplicate_param_use2.stderr @@ -2,7 +2,7 @@ error[E0277]: `T` doesn't implement `Debug` --> $DIR/generic_duplicate_param_use2.rs:12:5 | LL | t - | ^ `T` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | ^ the trait `Debug` is not implemented for `T` | note: required by a bound in an opaque type --> $DIR/generic_duplicate_param_use2.rs:8:23 diff --git a/tests/ui/type-alias-impl-trait/generic_duplicate_param_use4.stderr b/tests/ui/type-alias-impl-trait/generic_duplicate_param_use4.stderr index 0932c72ff93..f0d1e93b0b7 100644 --- a/tests/ui/type-alias-impl-trait/generic_duplicate_param_use4.stderr +++ b/tests/ui/type-alias-impl-trait/generic_duplicate_param_use4.stderr @@ -2,7 +2,7 @@ error[E0277]: `U` doesn't implement `Debug` --> $DIR/generic_duplicate_param_use4.rs:12:5 | LL | u - | ^ `U` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | ^ the trait `Debug` is not implemented for `U` | note: required by a bound in an opaque type --> $DIR/generic_duplicate_param_use4.rs:8:23 diff --git a/tests/ui/type-alias-impl-trait/generic_underconstrained2.stderr b/tests/ui/type-alias-impl-trait/generic_underconstrained2.stderr index 429c3b9175a..1e3c454a5bc 100644 --- a/tests/ui/type-alias-impl-trait/generic_underconstrained2.stderr +++ b/tests/ui/type-alias-impl-trait/generic_underconstrained2.stderr @@ -2,7 +2,7 @@ error[E0277]: `U` doesn't implement `Debug` --> $DIR/generic_underconstrained2.rs:9:33 | LL | fn underconstrained<U>(_: U) -> Underconstrained<U> { - | ^^^^^^^^^^^^^^^^^^^ `U` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | ^^^^^^^^^^^^^^^^^^^ the trait `Debug` is not implemented for `U` | note: required by a bound on the type alias `Underconstrained` --> $DIR/generic_underconstrained2.rs:5:26 @@ -18,7 +18,7 @@ error[E0277]: `V` doesn't implement `Debug` --> $DIR/generic_underconstrained2.rs:19:43 | LL | fn underconstrained2<U, V>(_: U, _: V) -> Underconstrained2<V> { - | ^^^^^^^^^^^^^^^^^^^^ `V` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | ^^^^^^^^^^^^^^^^^^^^ the trait `Debug` is not implemented for `V` | note: required by a bound on the type alias `Underconstrained2` --> $DIR/generic_underconstrained2.rs:15:27 @@ -34,7 +34,7 @@ error[E0277]: `U` doesn't implement `Debug` --> $DIR/generic_underconstrained2.rs:9:33 | LL | fn underconstrained<U>(_: U) -> Underconstrained<U> { - | ^^^^^^^^^^^^^^^^^^^ `U` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | ^^^^^^^^^^^^^^^^^^^ the trait `Debug` is not implemented for `U` | note: required by a bound on the type alias `Underconstrained` --> $DIR/generic_underconstrained2.rs:5:26 @@ -51,7 +51,7 @@ error[E0277]: `V` doesn't implement `Debug` --> $DIR/generic_underconstrained2.rs:19:43 | LL | fn underconstrained2<U, V>(_: U, _: V) -> Underconstrained2<V> { - | ^^^^^^^^^^^^^^^^^^^^ `V` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | ^^^^^^^^^^^^^^^^^^^^ the trait `Debug` is not implemented for `V` | note: required by a bound on the type alias `Underconstrained2` --> $DIR/generic_underconstrained2.rs:15:27 diff --git a/tests/ui/type-alias-impl-trait/nested.stderr b/tests/ui/type-alias-impl-trait/nested.stderr index 59911f65a23..f72830b864d 100644 --- a/tests/ui/type-alias-impl-trait/nested.stderr +++ b/tests/ui/type-alias-impl-trait/nested.stderr @@ -15,7 +15,9 @@ error[E0277]: `Bar` doesn't implement `Debug` --> $DIR/nested.rs:17:22 | LL | println!("{:?}", bar()); - | ^^^^^ `Bar` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | ---- ^^^^^ `Bar` cannot be formatted using `{:?}` because it doesn't implement `Debug` + | | + | required by this formatting parameter | = help: the trait `Debug` is not implemented for `Bar` = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) diff --git a/tests/ui/type/binding-assigned-block-without-tail-expression.stderr b/tests/ui/type/binding-assigned-block-without-tail-expression.stderr index 3e96d7f317b..ff34facf389 100644 --- a/tests/ui/type/binding-assigned-block-without-tail-expression.stderr +++ b/tests/ui/type/binding-assigned-block-without-tail-expression.stderr @@ -5,7 +5,9 @@ LL | 42; | - help: remove this semicolon ... LL | println!("{}", x); - | ^ `()` cannot be formatted with the default formatter + | -- ^ `()` cannot be formatted with the default formatter + | | + | required by this formatting parameter | = help: the trait `std::fmt::Display` is not implemented for `()` = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead @@ -18,7 +20,9 @@ LL | let y = {}; | -- this empty block is missing a tail expression ... LL | println!("{}", y); - | ^ `()` cannot be formatted with the default formatter + | -- ^ `()` cannot be formatted with the default formatter + | | + | required by this formatting parameter | = help: the trait `std::fmt::Display` is not implemented for `()` = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead @@ -31,7 +35,9 @@ LL | "hi"; | - help: remove this semicolon ... LL | println!("{}", z); - | ^ `()` cannot be formatted with the default formatter + | -- ^ `()` cannot be formatted with the default formatter + | | + | required by this formatting parameter | = help: the trait `std::fmt::Display` is not implemented for `()` = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead @@ -47,7 +53,9 @@ LL | | }; | |_____- this block is missing a tail expression ... LL | println!("{}", s); - | ^ `()` cannot be formatted with the default formatter + | -- ^ `()` cannot be formatted with the default formatter + | | + | required by this formatting parameter | = help: the trait `std::fmt::Display` is not implemented for `()` = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead diff --git a/tests/ui/type/pattern_types/derives_fail.stderr b/tests/ui/type/pattern_types/derives_fail.stderr index 78bef726341..6b2e27494f0 100644 --- a/tests/ui/type/pattern_types/derives_fail.stderr +++ b/tests/ui/type/pattern_types/derives_fail.stderr @@ -26,9 +26,7 @@ LL | #[derive(Clone, Copy, PartialEq, Eq, Debug, Ord, PartialOrd, Hash, Default) | ----- in this derive macro expansion LL | #[repr(transparent)] LL | struct Nanoseconds(NanoI32); - | ^^^^^^^ `(i32) is 0..=999999999` cannot be formatted using `{:?}` because it doesn't implement `Debug` - | - = help: the trait `Debug` is not implemented for `(i32) is 0..=999999999` + | ^^^^^^^ the trait `Debug` is not implemented for `(i32) is 0..=999999999` error[E0277]: the trait bound `(i32) is 0..=999999999: Ord` is not satisfied --> $DIR/derives_fail.rs:11:20 diff --git a/tests/ui/typeck/point-at-type-param-in-path-expr.stderr b/tests/ui/typeck/point-at-type-param-in-path-expr.stderr index 14642b25c99..3701b3e3798 100644 --- a/tests/ui/typeck/point-at-type-param-in-path-expr.stderr +++ b/tests/ui/typeck/point-at-type-param-in-path-expr.stderr @@ -2,10 +2,8 @@ error[E0277]: `()` doesn't implement `std::fmt::Display` --> $DIR/point-at-type-param-in-path-expr.rs:4:19 | LL | let x = foo::<()>; - | ^^ `()` cannot be formatted with the default formatter + | ^^ the trait `std::fmt::Display` is not implemented for `()` | - = help: the trait `std::fmt::Display` is not implemented for `()` - = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead note: required by a bound in `foo` --> $DIR/point-at-type-param-in-path-expr.rs:1:11 | diff --git a/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.rs b/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.rs index 53f07a94fd1..ad7d972879f 100644 --- a/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.rs +++ b/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.rs @@ -5,7 +5,6 @@ trait Trait<const N: dyn Trait = bar> { //~^ ERROR the name `N` is already used for a generic parameter in this item's generic parameters //~| ERROR expected value, found builtin type `u32` //~| ERROR defaults for const parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions - //~| ERROR associated item referring to unboxed trait object for its own trait bar //~^ ERROR cannot find value `bar` in this scope } diff --git a/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.stderr b/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.stderr index a085dd6ac57..e10bb98c134 100644 --- a/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.stderr +++ b/tests/ui/wf/ice-hir-wf-check-anon-const-issue-122199.stderr @@ -20,7 +20,7 @@ LL | fn fnc<const N: dyn Trait = u32>(&self) -> dyn Trait { | ^^^ not a value error[E0425]: cannot find value `bar` in this scope - --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:9:9 + --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:8:9 | LL | bar | ^^^ not found in this scope @@ -45,22 +45,7 @@ error: defaults for const parameters are only allowed in `struct`, `enum`, `type LL | fn fnc<const N: dyn Trait = u32>(&self) -> dyn Trait { | ^^^^^^^^^^^^^^^^^^^^^^^^ -error: associated item referring to unboxed trait object for its own trait - --> $DIR/ice-hir-wf-check-anon-const-issue-122199.rs:4:48 - | -LL | trait Trait<const N: dyn Trait = bar> { - | ----- in this trait -... -LL | fn fnc<const N: dyn Trait = u32>(&self) -> dyn Trait { - | ^^^^^^^^^ - | -help: you might have meant to use `Self` to refer to the implementing type - | -LL - fn fnc<const N: dyn Trait = u32>(&self) -> dyn Trait { -LL + fn fnc<const N: dyn Trait = u32>(&self) -> Self { - | - -error: aborting due to 7 previous errors +error: aborting due to 6 previous errors Some errors have detailed explanations: E0391, E0403, E0423, E0425. For more information about an error, try `rustc --explain E0391`. diff --git a/tests/ui/wf/issue-87495.stderr b/tests/ui/wf/issue-87495.stderr index 0c293e3576d..bf79535df11 100644 --- a/tests/ui/wf/issue-87495.stderr +++ b/tests/ui/wf/issue-87495.stderr @@ -13,6 +13,11 @@ LL | trait T { LL | const CONST: (bool, dyn T); | ^^^^^ ...because it contains this associated `const` = help: consider moving `CONST` to another trait +help: you might have meant to use `Self` to refer to the implementing type + | +LL - const CONST: (bool, dyn T); +LL + const CONST: (bool, Self); + | error: aborting due to 1 previous error |