rust/tests/ui/kindck/kindck-send-owned.stderr
Esteban Küber 6efddac288 Provide more context on derived obligation error primary label
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
  |
6 |     <i32 as Foo>::foo();
  |      ^^^ the trait `Bar` is not implemented for `i32`, which is required by `i32: Foo`
  |
help: this trait has no implementations, consider adding one
 --> f100.rs:2:1
  |
2 | trait Bar {}
  | ^^^^^^^^^
note: required for `i32` to implement `Foo`
 --> f100.rs:3:14
  |
3 | impl<T: Bar> Foo for T {}
  |         ---  ^^^     ^
  |         |
  |         unsatisfied trait bound introduced here
```

Fix #40120.
2024-01-30 21:28:18 +00:00

20 lines
802 B
Plaintext

error[E0277]: `*mut u8` cannot be sent between threads safely
--> $DIR/kindck-send-owned.rs:12:19
|
LL | assert_send::<Box<*mut u8>>();
| ^^^^^^^^^^^^ `*mut u8` cannot be sent between threads safely
|
= help: the trait `Send` is not implemented for `*mut u8`, which is required by `Box<*mut u8>: Send`
= note: required for `Unique<*mut u8>` to implement `Send`
note: required because it appears within the type `Box<*mut u8>`
--> $SRC_DIR/alloc/src/boxed.rs:LL:COL
note: required by a bound in `assert_send`
--> $DIR/kindck-send-owned.rs:3:18
|
LL | fn assert_send<T:Send>() { }
| ^^^^ required by this bound in `assert_send`
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0277`.