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
1.5 KiB
Plaintext
34 lines
1.5 KiB
Plaintext
error[E0277]: `(dyn Dummy + 'static)` cannot be shared between threads safely
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--> $DIR/kindck-send-object.rs:12:19
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LL | assert_send::<&'static (dyn Dummy + 'static)>();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `(dyn Dummy + 'static)` cannot be shared between threads safely
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= help: the trait `Sync` is not implemented for `(dyn Dummy + 'static)`, which is required by `&'static (dyn Dummy + 'static): Send`
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= note: required for `&'static (dyn Dummy + 'static)` to implement `Send`
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note: required by a bound in `assert_send`
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--> $DIR/kindck-send-object.rs:5:18
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LL | fn assert_send<T:Send>() { }
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| ^^^^ required by this bound in `assert_send`
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error[E0277]: `dyn Dummy` cannot be sent between threads safely
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--> $DIR/kindck-send-object.rs:17:19
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LL | assert_send::<Box<dyn Dummy>>();
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| ^^^^^^^^^^^^^^ `dyn Dummy` cannot be sent between threads safely
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= help: the trait `Send` is not implemented for `dyn Dummy`, which is required by `Box<dyn Dummy>: Send`
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= note: required for `Unique<dyn Dummy>` to implement `Send`
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note: required because it appears within the type `Box<dyn Dummy>`
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--> $SRC_DIR/alloc/src/boxed.rs:LL:COL
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note: required by a bound in `assert_send`
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--> $DIR/kindck-send-object.rs:5:18
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LL | fn assert_send<T:Send>() { }
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| ^^^^ required by this bound in `assert_send`
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error: aborting due to 2 previous errors
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For more information about this error, try `rustc --explain E0277`.
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