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`
```
23 lines
859 B
Plaintext
23 lines
859 B
Plaintext
error: future cannot be sent between threads safely
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--> $DIR/issue-64130-non-send-future-diags.rs:23:13
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LL | is_send(foo());
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| ^^^^^ future returned by `foo` is not `Send`
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= help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `MutexGuard<'_, u32>`
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note: future is not `Send` as this value is used across an await
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--> $DIR/issue-64130-non-send-future-diags.rs:17:11
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LL | let g = x.lock().unwrap();
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| - has type `MutexGuard<'_, u32>` which is not `Send`
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LL | baz().await;
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| ^^^^^ await occurs here, with `g` maybe used later
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note: required by a bound in `is_send`
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--> $DIR/issue-64130-non-send-future-diags.rs:9:15
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LL | fn is_send<T: Send>(t: T) { }
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| ^^^^ required by this bound in `is_send`
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error: aborting due to 1 previous error
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