rust/src/test/ui/lint/must_not_suspend/mutex.stderr
2021-09-28 17:57:08 -07:00

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error: `MutexGuard` held across a suspend point, but should not be
--> $DIR/mutex.rs:7:9
|
LL | let _guard = m.lock().unwrap();
| ^^^^^^
LL | other().await;
| ------------- the value is held across this suspend point
|
note: the lint level is defined here
--> $DIR/mutex.rs:2:9
|
LL | #![deny(must_not_suspend)]
| ^^^^^^^^^^^^^^^^
note: Holding a MutexGuard across suspend points can cause deadlocks, delays, and cause Futures to not implement `Send`
--> $DIR/mutex.rs:7:9
|
LL | let _guard = m.lock().unwrap();
| ^^^^^^
help: consider using a block (`{ ... }`) to shrink the value's scope, ending before the suspend point
--> $DIR/mutex.rs:7:9
|
LL | let _guard = m.lock().unwrap();
| ^^^^^^
error: aborting due to previous error