6efddac288
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
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6 | <i32 as Foo>::foo();
| ^^^ the trait `Bar` is not implemented for `i32`, which is required by `i32: Foo`
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help: this trait has no implementations, consider adding one
--> f100.rs:2:1
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2 | trait Bar {}
| ^^^^^^^^^
note: required for `i32` to implement `Foo`
--> f100.rs:3:14
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3 | impl<T: Bar> Foo for T {}
| --- ^^^ ^
| |
| unsatisfied trait bound introduced here
```
Fix #40120.
34 lines
1.2 KiB
Plaintext
34 lines
1.2 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<'_, ()>`, which is required by `impl Future<Output = ()>: Send`
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= note: required because it captures the following types: `Arc<Mutex<()>>`, `MutexGuard<'_, ()>`, `impl Future<Output = ()>`
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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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