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authorEsteban Küber <esteban@kuber.com.ar>2024-01-29 18:31:02 +0000
committerEsteban Küber <esteban@kuber.com.ar>2024-01-30 21:28:18 +0000
commit6efddac288643c4b0bc85ea317ea275e6cb4739f (patch)
tree2a8729a40eb6266fc410458c64066fa3ffa40c94 /tests/ui/coroutine
parentf3d71c9249072413f014b378bb5ea79c8a7dc9a7 (diff)
downloadrust-6efddac288643c4b0bc85ea317ea275e6cb4739f.tar.gz
rust-6efddac288643c4b0bc85ea317ea275e6cb4739f.zip
Provide more context on derived obligation error primary label
Expand the primary span of E0277 when the immediate unmet bound is not what the user wrote:

```
error[E0277]: the trait bound `i32: Bar` is not satisfied
 --> f100.rs:6:6
  |
6 |     <i32 as Foo>::foo();
  |      ^^^ the trait `Bar` is not implemented for `i32`, which is required by `i32: Foo`
  |
help: this trait has no implementations, consider adding one
 --> f100.rs:2:1
  |
2 | trait Bar {}
  | ^^^^^^^^^
note: required for `i32` to implement `Foo`
 --> f100.rs:3:14
  |
3 | impl<T: Bar> Foo for T {}
  |         ---  ^^^     ^
  |         |
  |         unsatisfied trait bound introduced here
```

Fix #40120.
Diffstat (limited to 'tests/ui/coroutine')
-rw-r--r--tests/ui/coroutine/clone-impl.stderr12
-rw-r--r--tests/ui/coroutine/drop-tracking-parent-expression.stderr6
-rw-r--r--tests/ui/coroutine/drop-yield-twice.stderr2
-rw-r--r--tests/ui/coroutine/issue-105084.stderr2
-rw-r--r--tests/ui/coroutine/issue-68112.stderr4
-rw-r--r--tests/ui/coroutine/not-send-sync.stderr4
-rw-r--r--tests/ui/coroutine/parent-expression.stderr6
-rw-r--r--tests/ui/coroutine/print/coroutine-print-verbose-1.stderr4
-rw-r--r--tests/ui/coroutine/print/coroutine-print-verbose-2.stderr4
-rw-r--r--tests/ui/coroutine/ref-upvar-not-send.stderr4
-rw-r--r--tests/ui/coroutine/unresolved-ct-var.stderr2
-rw-r--r--tests/ui/coroutine/yield-outside-coroutine-issue-78653.stderr2
12 files changed, 26 insertions, 26 deletions
diff --git a/tests/ui/coroutine/clone-impl.stderr b/tests/ui/coroutine/clone-impl.stderr
index 9ee011ebc36..1d4804501d8 100644
--- a/tests/ui/coroutine/clone-impl.stderr
+++ b/tests/ui/coroutine/clone-impl.stderr
@@ -5,7 +5,7 @@ LL |     let gen_clone_0 = move || {
    |                       ------- within this `{coroutine@$DIR/clone-impl.rs:36:23: 36:30}`
 ...
 LL |     check_copy(&gen_clone_0);
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:36:23: 36:30}`, the trait `Copy` is not implemented for `Vec<u32>`
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:36:23: 36:30}`, the trait `Copy` is not implemented for `Vec<u32>`, which is required by `{coroutine@$DIR/clone-impl.rs:36:23: 36:30}: Copy`
    |
 note: captured value does not implement `Copy`
   --> $DIR/clone-impl.rs:40:14
@@ -25,7 +25,7 @@ LL |     let gen_clone_0 = move || {
    |                       ------- within this `{coroutine@$DIR/clone-impl.rs:36:23: 36:30}`
 ...
 LL |     check_copy(&gen_clone_0);
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:36:23: 36:30}`, the trait `Copy` is not implemented for `Vec<char>`
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:36:23: 36:30}`, the trait `Copy` is not implemented for `Vec<char>`, which is required by `{coroutine@$DIR/clone-impl.rs:36:23: 36:30}: Copy`
    |
 note: coroutine does not implement `Copy` as this value is used across a yield
   --> $DIR/clone-impl.rs:38:9
@@ -47,7 +47,7 @@ LL |     let gen_clone_1 = move || {
    |                       ------- within this `{coroutine@$DIR/clone-impl.rs:46:23: 46:30}`
 ...
 LL |     check_copy(&gen_clone_1);
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:46:23: 46:30}`, the trait `Copy` is not implemented for `Vec<u32>`
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:46:23: 46:30}`, the trait `Copy` is not implemented for `Vec<u32>`, which is required by `{coroutine@$DIR/clone-impl.rs:46:23: 46:30}: Copy`
    |
 note: captured value does not implement `Copy`
   --> $DIR/clone-impl.rs:56:14
@@ -67,7 +67,7 @@ LL |     let gen_clone_1 = move || {
    |                       ------- within this `{coroutine@$DIR/clone-impl.rs:46:23: 46:30}`
 ...
 LL |     check_copy(&gen_clone_1);
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:46:23: 46:30}`, the trait `Copy` is not implemented for `Vec<char>`
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:46:23: 46:30}`, the trait `Copy` is not implemented for `Vec<char>`, which is required by `{coroutine@$DIR/clone-impl.rs:46:23: 46:30}: Copy`
    |
 note: coroutine does not implement `Copy` as this value is used across a yield
   --> $DIR/clone-impl.rs:52:9
@@ -90,7 +90,7 @@ LL |     let gen_non_clone = move || {
    |                         ------- within this `{coroutine@$DIR/clone-impl.rs:62:25: 62:32}`
 ...
 LL |     check_copy(&gen_non_clone);
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:62:25: 62:32}`, the trait `Copy` is not implemented for `NonClone`
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:62:25: 62:32}`, the trait `Copy` is not implemented for `NonClone`, which is required by `{coroutine@$DIR/clone-impl.rs:62:25: 62:32}: Copy`
    |
 note: captured value does not implement `Copy`
   --> $DIR/clone-impl.rs:64:14
@@ -115,7 +115,7 @@ LL |     let gen_non_clone = move || {
    |                         ------- within this `{coroutine@$DIR/clone-impl.rs:62:25: 62:32}`
 ...
 LL |     check_clone(&gen_non_clone);
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:62:25: 62:32}`, the trait `Clone` is not implemented for `NonClone`
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:62:25: 62:32}`, the trait `Clone` is not implemented for `NonClone`, which is required by `{coroutine@$DIR/clone-impl.rs:62:25: 62:32}: Clone`
    |
 note: captured value does not implement `Clone`
   --> $DIR/clone-impl.rs:64:14
diff --git a/tests/ui/coroutine/drop-tracking-parent-expression.stderr b/tests/ui/coroutine/drop-tracking-parent-expression.stderr
index a57b7ffab4d..21aa35b9579 100644
--- a/tests/ui/coroutine/drop-tracking-parent-expression.stderr
+++ b/tests/ui/coroutine/drop-tracking-parent-expression.stderr
@@ -13,7 +13,7 @@ LL | |         };
 LL | |     );
    | |_____- in this macro invocation
    |
-   = help: within `{coroutine@$DIR/drop-tracking-parent-expression.rs:17:21: 17:28}`, the trait `Send` is not implemented for `derived_drop::Client`
+   = help: within `{coroutine@$DIR/drop-tracking-parent-expression.rs:17:21: 17:28}`, the trait `Send` is not implemented for `derived_drop::Client`, which is required by `{coroutine@$DIR/drop-tracking-parent-expression.rs:17:21: 17:28}: Send`
 note: coroutine is not `Send` as this value is used across a yield
   --> $DIR/drop-tracking-parent-expression.rs:21:22
    |
@@ -53,7 +53,7 @@ LL | |         };
 LL | |     );
    | |_____- in this macro invocation
    |
-   = help: within `{coroutine@$DIR/drop-tracking-parent-expression.rs:17:21: 17:28}`, the trait `Send` is not implemented for `significant_drop::Client`
+   = help: within `{coroutine@$DIR/drop-tracking-parent-expression.rs:17:21: 17:28}`, the trait `Send` is not implemented for `significant_drop::Client`, which is required by `{coroutine@$DIR/drop-tracking-parent-expression.rs:17:21: 17:28}: Send`
 note: coroutine is not `Send` as this value is used across a yield
   --> $DIR/drop-tracking-parent-expression.rs:21:22
    |
@@ -93,7 +93,7 @@ LL | |         };
 LL | |     );
    | |_____- in this macro invocation
    |
-   = help: within `{coroutine@$DIR/drop-tracking-parent-expression.rs:17:21: 17:28}`, the trait `Send` is not implemented for `insignificant_dtor::Client`
+   = help: within `{coroutine@$DIR/drop-tracking-parent-expression.rs:17:21: 17:28}`, the trait `Send` is not implemented for `insignificant_dtor::Client`, which is required by `{coroutine@$DIR/drop-tracking-parent-expression.rs:17:21: 17:28}: Send`
 note: coroutine is not `Send` as this value is used across a yield
   --> $DIR/drop-tracking-parent-expression.rs:21:22
    |
diff --git a/tests/ui/coroutine/drop-yield-twice.stderr b/tests/ui/coroutine/drop-yield-twice.stderr
index 5766e95f088..c6a9e20b8b5 100644
--- a/tests/ui/coroutine/drop-yield-twice.stderr
+++ b/tests/ui/coroutine/drop-yield-twice.stderr
@@ -9,7 +9,7 @@ LL | |         yield;
 LL | |     })
    | |______^ coroutine is not `Send`
    |
-   = help: within `{coroutine@$DIR/drop-yield-twice.rs:7:17: 7:19}`, the trait `Send` is not implemented for `Foo`
+   = help: within `{coroutine@$DIR/drop-yield-twice.rs:7:17: 7:19}`, the trait `Send` is not implemented for `Foo`, which is required by `{coroutine@$DIR/drop-yield-twice.rs:7:17: 7:19}: Send`
 note: coroutine is not `Send` as this value is used across a yield
   --> $DIR/drop-yield-twice.rs:9:9
    |
diff --git a/tests/ui/coroutine/issue-105084.stderr b/tests/ui/coroutine/issue-105084.stderr
index 34e97752f6c..c8a6522dbd9 100644
--- a/tests/ui/coroutine/issue-105084.stderr
+++ b/tests/ui/coroutine/issue-105084.stderr
@@ -29,7 +29,7 @@ LL |     let mut g = || {
    |                 -- within this `{coroutine@$DIR/issue-105084.rs:14:17: 14:19}`
 ...
 LL |     let mut h = copy(g);
-   |                 ^^^^^^^ within `{coroutine@$DIR/issue-105084.rs:14:17: 14:19}`, the trait `Copy` is not implemented for `Box<(i32, ())>`
+   |                 ^^^^^^^ within `{coroutine@$DIR/issue-105084.rs:14:17: 14:19}`, the trait `Copy` is not implemented for `Box<(i32, ())>`, which is required by `{coroutine@$DIR/issue-105084.rs:14:17: 14:19}: Copy`
    |
 note: coroutine does not implement `Copy` as this value is used across a yield
   --> $DIR/issue-105084.rs:21:22
diff --git a/tests/ui/coroutine/issue-68112.stderr b/tests/ui/coroutine/issue-68112.stderr
index 32035003487..ded325eda54 100644
--- a/tests/ui/coroutine/issue-68112.stderr
+++ b/tests/ui/coroutine/issue-68112.stderr
@@ -4,7 +4,7 @@ error: coroutine cannot be sent between threads safely
 LL |     require_send(send_gen);
    |     ^^^^^^^^^^^^^^^^^^^^^^ coroutine is not `Send`
    |
-   = help: the trait `Sync` is not implemented for `RefCell<i32>`
+   = help: the trait `Sync` is not implemented for `RefCell<i32>`, which is required by `{coroutine@$DIR/issue-68112.rs:33:20: 33:22}: Send`
    = note: if you want to do aliasing and mutation between multiple threads, use `std::sync::RwLock` instead
 note: coroutine is not `Send` as this value is used across a yield
   --> $DIR/issue-68112.rs:36:9
@@ -26,7 +26,7 @@ error[E0277]: `RefCell<i32>` cannot be shared between threads safely
 LL |     require_send(send_gen);
    |     ^^^^^^^^^^^^^^^^^^^^^^ `RefCell<i32>` cannot be shared between threads safely
    |
-   = help: the trait `Sync` is not implemented for `RefCell<i32>`
+   = help: the trait `Sync` is not implemented for `RefCell<i32>`, which is required by `{coroutine@$DIR/issue-68112.rs:60:20: 60:22}: Send`
    = note: if you want to do aliasing and mutation between multiple threads, use `std::sync::RwLock` instead
    = note: required for `Arc<RefCell<i32>>` to implement `Send`
 note: required because it's used within this coroutine
diff --git a/tests/ui/coroutine/not-send-sync.stderr b/tests/ui/coroutine/not-send-sync.stderr
index e00c0d9158c..9228340c710 100644
--- a/tests/ui/coroutine/not-send-sync.stderr
+++ b/tests/ui/coroutine/not-send-sync.stderr
@@ -9,7 +9,7 @@ LL | |         drop(a);
 LL | |     });
    | |______^ coroutine is not `Sync`
    |
-   = help: within `{coroutine@$DIR/not-send-sync.rs:14:17: 14:19}`, the trait `Sync` is not implemented for `NotSync`
+   = help: within `{coroutine@$DIR/not-send-sync.rs:14:17: 14:19}`, the trait `Sync` is not implemented for `NotSync`, which is required by `{coroutine@$DIR/not-send-sync.rs:14:17: 14:19}: Sync`
 note: coroutine is not `Sync` as this value is used across a yield
   --> $DIR/not-send-sync.rs:17:9
    |
@@ -34,7 +34,7 @@ LL | |         drop(a);
 LL | |     });
    | |______^ coroutine is not `Send`
    |
-   = help: within `{coroutine@$DIR/not-send-sync.rs:21:17: 21:19}`, the trait `Send` is not implemented for `NotSend`
+   = help: within `{coroutine@$DIR/not-send-sync.rs:21:17: 21:19}`, the trait `Send` is not implemented for `NotSend`, which is required by `{coroutine@$DIR/not-send-sync.rs:21:17: 21:19}: Send`
 note: coroutine is not `Send` as this value is used across a yield
   --> $DIR/not-send-sync.rs:24:9
    |
diff --git a/tests/ui/coroutine/parent-expression.stderr b/tests/ui/coroutine/parent-expression.stderr
index d2c09432b3a..5b3737069e6 100644
--- a/tests/ui/coroutine/parent-expression.stderr
+++ b/tests/ui/coroutine/parent-expression.stderr
@@ -13,7 +13,7 @@ LL | |         };
 LL | |     );
    | |_____- in this macro invocation
    |
-   = help: within `{coroutine@$DIR/parent-expression.rs:17:21: 17:28}`, the trait `Send` is not implemented for `derived_drop::Client`
+   = help: within `{coroutine@$DIR/parent-expression.rs:17:21: 17:28}`, the trait `Send` is not implemented for `derived_drop::Client`, which is required by `{coroutine@$DIR/parent-expression.rs:17:21: 17:28}: Send`
 note: coroutine is not `Send` as this value is used across a yield
   --> $DIR/parent-expression.rs:21:22
    |
@@ -53,7 +53,7 @@ LL | |         };
 LL | |     );
    | |_____- in this macro invocation
    |
-   = help: within `{coroutine@$DIR/parent-expression.rs:17:21: 17:28}`, the trait `Send` is not implemented for `significant_drop::Client`
+   = help: within `{coroutine@$DIR/parent-expression.rs:17:21: 17:28}`, the trait `Send` is not implemented for `significant_drop::Client`, which is required by `{coroutine@$DIR/parent-expression.rs:17:21: 17:28}: Send`
 note: coroutine is not `Send` as this value is used across a yield
   --> $DIR/parent-expression.rs:21:22
    |
@@ -93,7 +93,7 @@ LL | |         };
 LL | |     );
    | |_____- in this macro invocation
    |
-   = help: within `{coroutine@$DIR/parent-expression.rs:17:21: 17:28}`, the trait `Send` is not implemented for `insignificant_dtor::Client`
+   = help: within `{coroutine@$DIR/parent-expression.rs:17:21: 17:28}`, the trait `Send` is not implemented for `insignificant_dtor::Client`, which is required by `{coroutine@$DIR/parent-expression.rs:17:21: 17:28}: Send`
 note: coroutine is not `Send` as this value is used across a yield
   --> $DIR/parent-expression.rs:21:22
    |
diff --git a/tests/ui/coroutine/print/coroutine-print-verbose-1.stderr b/tests/ui/coroutine/print/coroutine-print-verbose-1.stderr
index 6cf0f6e73ac..1b9ca632f0c 100644
--- a/tests/ui/coroutine/print/coroutine-print-verbose-1.stderr
+++ b/tests/ui/coroutine/print/coroutine-print-verbose-1.stderr
@@ -4,7 +4,7 @@ error: coroutine cannot be sent between threads safely
 LL |     require_send(send_gen);
    |     ^^^^^^^^^^^^^^^^^^^^^^ coroutine is not `Send`
    |
-   = help: the trait `Sync` is not implemented for `RefCell<i32>`
+   = help: the trait `Sync` is not implemented for `RefCell<i32>`, which is required by `{test1::{closure#0} upvar_tys=() witness={test1::{closure#0}}}: Send`
    = note: if you want to do aliasing and mutation between multiple threads, use `std::sync::RwLock` instead
 note: coroutine is not `Send` as this value is used across a yield
   --> $DIR/coroutine-print-verbose-1.rs:35:9
@@ -25,7 +25,7 @@ error[E0277]: `RefCell<i32>` cannot be shared between threads safely
 LL |     require_send(send_gen);
    |     ^^^^^^^^^^^^^^^^^^^^^^ `RefCell<i32>` cannot be shared between threads safely
    |
-   = help: the trait `Sync` is not implemented for `RefCell<i32>`
+   = help: the trait `Sync` is not implemented for `RefCell<i32>`, which is required by `{test2::{closure#0} upvar_tys=() witness={test2::{closure#0}}}: Send`
    = note: if you want to do aliasing and mutation between multiple threads, use `std::sync::RwLock` instead
    = note: required for `Arc<RefCell<i32>>` to implement `Send`
 note: required because it's used within this coroutine
diff --git a/tests/ui/coroutine/print/coroutine-print-verbose-2.stderr b/tests/ui/coroutine/print/coroutine-print-verbose-2.stderr
index aef48b7522b..26c9c27743c 100644
--- a/tests/ui/coroutine/print/coroutine-print-verbose-2.stderr
+++ b/tests/ui/coroutine/print/coroutine-print-verbose-2.stderr
@@ -9,7 +9,7 @@ LL | |         drop(a);
 LL | |     });
    | |______^ coroutine is not `Sync`
    |
-   = help: within `{main::{closure#0} upvar_tys=() witness={main::{closure#0}}}`, the trait `Sync` is not implemented for `NotSync`
+   = help: within `{main::{closure#0} upvar_tys=() witness={main::{closure#0}}}`, the trait `Sync` is not implemented for `NotSync`, which is required by `{main::{closure#0} upvar_tys=() witness={main::{closure#0}}}: Sync`
 note: coroutine is not `Sync` as this value is used across a yield
   --> $DIR/coroutine-print-verbose-2.rs:20:9
    |
@@ -34,7 +34,7 @@ LL | |         drop(a);
 LL | |     });
    | |______^ coroutine is not `Send`
    |
-   = help: within `{main::{closure#1} upvar_tys=() witness={main::{closure#1}}}`, the trait `Send` is not implemented for `NotSend`
+   = help: within `{main::{closure#1} upvar_tys=() witness={main::{closure#1}}}`, the trait `Send` is not implemented for `NotSend`, which is required by `{main::{closure#1} upvar_tys=() witness={main::{closure#1}}}: Send`
 note: coroutine is not `Send` as this value is used across a yield
   --> $DIR/coroutine-print-verbose-2.rs:27:9
    |
diff --git a/tests/ui/coroutine/ref-upvar-not-send.stderr b/tests/ui/coroutine/ref-upvar-not-send.stderr
index 7f18c6fba77..0f91bcf4053 100644
--- a/tests/ui/coroutine/ref-upvar-not-send.stderr
+++ b/tests/ui/coroutine/ref-upvar-not-send.stderr
@@ -10,7 +10,7 @@ LL | |         let _x = x;
 LL | |     });
    | |_____^ coroutine is not `Send`
    |
-   = help: the trait `Sync` is not implemented for `*mut ()`
+   = help: the trait `Sync` is not implemented for `*mut ()`, which is required by `{coroutine@$DIR/ref-upvar-not-send.rs:15:17: 15:24}: Send`
 note: captured value is not `Send` because `&` references cannot be sent unless their referent is `Sync`
   --> $DIR/ref-upvar-not-send.rs:19:18
    |
@@ -34,7 +34,7 @@ LL | |         let _y = y;
 LL | |     });
    | |_____^ coroutine is not `Send`
    |
-   = help: within `{coroutine@$DIR/ref-upvar-not-send.rs:23:17: 23:24}`, the trait `Send` is not implemented for `*mut ()`
+   = help: within `{coroutine@$DIR/ref-upvar-not-send.rs:23:17: 23:24}`, the trait `Send` is not implemented for `*mut ()`, which is required by `{coroutine@$DIR/ref-upvar-not-send.rs:23:17: 23:24}: Send`
 note: captured value is not `Send` because `&mut` references cannot be sent unless their referent is `Send`
   --> $DIR/ref-upvar-not-send.rs:27:18
    |
diff --git a/tests/ui/coroutine/unresolved-ct-var.stderr b/tests/ui/coroutine/unresolved-ct-var.stderr
index da2ec272f9f..8b87bac05ac 100644
--- a/tests/ui/coroutine/unresolved-ct-var.stderr
+++ b/tests/ui/coroutine/unresolved-ct-var.stderr
@@ -8,7 +8,7 @@ LL |         let s = std::array::from_fn(|_| ()).await;
    |                 |                          help: remove the `.await`
    |                 this call returns `[(); _]`
    |
-   = help: the trait `Future` is not implemented for `[(); _]`
+   = help: the trait `Future` is not implemented for `[(); _]`, which is required by `[(); _]: IntoFuture`
    = note: [(); _] must be a future or must implement `IntoFuture` to be awaited
    = note: required for `[(); _]` to implement `IntoFuture`
 
diff --git a/tests/ui/coroutine/yield-outside-coroutine-issue-78653.stderr b/tests/ui/coroutine/yield-outside-coroutine-issue-78653.stderr
index f28f8913508..8f8bec99458 100644
--- a/tests/ui/coroutine/yield-outside-coroutine-issue-78653.stderr
+++ b/tests/ui/coroutine/yield-outside-coroutine-issue-78653.stderr
@@ -10,7 +10,7 @@ error[E0277]: `{integer}` is not an iterator
 LL |     yield || for i in 0 { }
    |                       ^ `{integer}` is not an iterator
    |
-   = help: the trait `Iterator` is not implemented for `{integer}`
+   = help: the trait `Iterator` is not implemented for `{integer}`, which is required by `{integer}: IntoIterator`
    = 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: required for `{integer}` to implement `IntoIterator`