rust/src/test/ui/lint/must_not_suspend/boxed.stderr
Esteban Kuber 7227a87371 When .await is called on a non-Future expression, suggest removal
Keep track of the origin of a `T: Future` obligation when caused by an
`.await` expression.

Address #66731.
2021-12-13 17:09:15 +00:00

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error: boxed `Umm` held across a suspend point, but should not be
--> $DIR/boxed.rs:20:9
|
LL | let _guard = bar();
| ^^^^^^
LL | other().await;
| ------ the value is held across this suspend point
|
note: the lint level is defined here
--> $DIR/boxed.rs:3:9
|
LL | #![deny(must_not_suspend)]
| ^^^^^^^^^^^^^^^^
note: You gotta use Umm's, ya know?
--> $DIR/boxed.rs:20:9
|
LL | let _guard = bar();
| ^^^^^^
help: consider using a block (`{ ... }`) to shrink the value's scope, ending before the suspend point
--> $DIR/boxed.rs:20:9
|
LL | let _guard = bar();
| ^^^^^^
error: aborting due to previous error