5b54286640
Remove the "which is required by `{root_obligation}`" post-script in
"the trait `X` is not implemented for `Y`" explanation in E0277. This
information is already conveyed in the notes explaining requirements,
making it redundant while making the text (particularly in labels)
harder to read.
```
error[E0277]: the trait bound `NotCopy: Copy` is not satisfied
--> $DIR/wf-static-type.rs:10:13
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LL | static FOO: IsCopy<Option<NotCopy>> = IsCopy { t: None };
| ^^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `NotCopy`
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= note: required for `Option<NotCopy>` to implement `Copy`
note: required by a bound in `IsCopy`
--> $DIR/wf-static-type.rs:7:17
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LL | struct IsCopy<T:Copy> { t: T }
| ^^^^ required by this bound in `IsCopy`
```
vs the prior
```
error[E0277]: the trait bound `NotCopy: Copy` is not satisfied
--> $DIR/wf-static-type.rs:10:13
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LL | static FOO: IsCopy<Option<NotCopy>> = IsCopy { t: None };
| ^^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `NotCopy`, which is required by `Option<NotCopy>: Copy`
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= note: required for `Option<NotCopy>` to implement `Copy`
note: required by a bound in `IsCopy`
--> $DIR/wf-static-type.rs:7:17
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LL | struct IsCopy<T:Copy> { t: T }
| ^^^^ required by this bound in `IsCopy`
```
33 lines
1.0 KiB
Plaintext
33 lines
1.0 KiB
Plaintext
error[E0277]: `MutexGuard<'_, ()>` cannot be sent between threads safely
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--> $DIR/issue-67893.rs:9:7
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LL | g(issue_67893::run())
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| - ^^^^^^^^^^^^^^^^^^ `MutexGuard<'_, ()>` cannot be sent between threads safely
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| required by a bound introduced by this call
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::: $DIR/auxiliary/issue_67893.rs:9:1
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LL | pub async fn run() {
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| ------------------ within this `impl Future<Output = ()>`
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= help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `MutexGuard<'_, ()>`
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note: required because it's used within this `async` fn body
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--> $DIR/auxiliary/issue_67893.rs:9:20
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LL | pub async fn run() {
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| ____________________^
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LL | | let x: Arc<Mutex<()>> = make_arc();
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LL | | f(*x.lock().unwrap()).await;
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LL | | }
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| |_^
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note: required by a bound in `g`
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--> $DIR/issue-67893.rs:6:14
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LL | fn g(_: impl Send) {}
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| ^^^^ required by this bound in `g`
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error: aborting due to 1 previous error
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For more information about this error, try `rustc --explain E0277`.
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