mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-02 11:44:28 +00:00
27 lines
825 B
Plaintext
27 lines
825 B
Plaintext
error: `MutexGuard` held across a suspend point, but should not be
|
|
--> $DIR/mutex.rs:8:9
|
|
|
|
|
LL | let _guard = m.lock().unwrap();
|
|
| ^^^^^^
|
|
LL | other().await;
|
|
| ----- the value is held across this suspend point
|
|
|
|
|
note: holding a MutexGuard across suspend points can cause deadlocks, delays, and cause Futures to not implement `Send`
|
|
--> $DIR/mutex.rs:8:9
|
|
|
|
|
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:8:9
|
|
|
|
|
LL | let _guard = m.lock().unwrap();
|
|
| ^^^^^^
|
|
note: the lint level is defined here
|
|
--> $DIR/mutex.rs:3:9
|
|
|
|
|
LL | #![deny(must_not_suspend)]
|
|
| ^^^^^^^^^^^^^^^^
|
|
|
|
error: aborting due to 1 previous error
|
|
|