error: future cannot be sent between threads safely
- --> $DIR/issue-71137.rs:20:3
+ --> $DIR/issue-71137.rs:22:14
|
-LL | fn fake_spawn<F: Future + Send + 'static>(f: F) { }
- | ---- required by this bound in `fake_spawn`
-...
LL | fake_spawn(wrong_mutex());
- | ^^^^^^^^^^ future returned by `wrong_mutex` is not `Send`
+ | ^^^^^^^^^^^^^ future returned by `wrong_mutex` is not `Send`
|
- = help: within `impl Future`, the trait `Send` is not implemented for `MutexGuard<'_, i32>`
+ = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `MutexGuard<'_, i32>`
note: future is not `Send` as this value is used across an await
- --> $DIR/issue-71137.rs:12:5
+ --> $DIR/issue-71137.rs:14:5
|
LL | let mut guard = m.lock().unwrap();
| --------- has type `MutexGuard<'_, i32>` which is not `Send`
LL | *guard += 1;
LL | }
| - `mut guard` is later dropped here
+note: required by a bound in `fake_spawn`
+ --> $DIR/issue-71137.rs:8:27
+ |
+LL | fn fake_spawn<F: Future + Send + 'static>(f: F) { }
+ | ^^^^ required by this bound in `fake_spawn`
error: aborting due to previous error