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`
```
26 lines
1021 B
Plaintext
26 lines
1021 B
Plaintext
error: future cannot be sent between threads safely
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--> $DIR/missing-send-bound.rs:13:20
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LL | assert_is_send(test::<T>());
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| ^^^^^^^^^^^ future returned by `test` is not `Send`
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= help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `impl Future<Output = ()>`
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note: future is not `Send` as it awaits another future which is not `Send`
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--> $DIR/missing-send-bound.rs:9:5
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LL | T::bar().await;
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| ^^^^^^^^ await occurs here on type `impl Future<Output = ()>`, which is not `Send`
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note: required by a bound in `assert_is_send`
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--> $DIR/missing-send-bound.rs:17:27
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LL | fn assert_is_send(_: impl Send) {}
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| ^^^^ required by this bound in `assert_is_send`
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help: `Send` can be made part of the associated future's guarantees for all implementations of `Foo::bar`
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LL - async fn bar();
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LL + fn bar() -> impl std::future::Future<Output = ()> + Send;
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error: aborting due to 1 previous error
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