rust/tests/ui/async-await/async-await-let-else.no_drop_tracking.stderr
2023-08-09 14:04:10 +00:00

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error: future cannot be sent between threads safely
--> $DIR/async-await-let-else.rs:48:13
|
LL | is_send(foo(Some(true)));
| ^^^^^^^^^^^^^^^ future returned by `foo` is not `Send`
|
= help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `Rc<()>`
= note: use `std::sync::Arc` instead of `std::rc::Rc`
note: future is not `Send` as this value is used across an await
--> $DIR/async-await-let-else.rs:11:15
|
LL | let r = Rc::new(());
| - has type `Rc<()>` which is not `Send`
LL | bar().await
| ^^^^^ await occurs here, with `r` maybe used later
LL | };
| - `r` is later dropped here
note: required by a bound in `is_send`
--> $DIR/async-await-let-else.rs:19:15
|
LL | fn is_send<T: Send>(_: T) {}
| ^^^^ required by this bound in `is_send`
error: future cannot be sent between threads safely
--> $DIR/async-await-let-else.rs:50:13
|
LL | is_send(foo2(Some(true)));
| ^^^^^^^^^^^^^^^^ future returned by `foo2` is not `Send`
|
= help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `Rc<()>`
= note: use `std::sync::Arc` instead of `std::rc::Rc`
note: future is not `Send` as this value is used across an await
--> $DIR/async-await-let-else.rs:23:27
|
LL | bar2(Rc::new(())).await
| ----------- ^^^^^ await occurs here, with `Rc::new(())` maybe used later
| |
| has type `Rc<()>` which is not `Send`
LL | };
| - `Rc::new(())` is later dropped here
note: required by a bound in `is_send`
--> $DIR/async-await-let-else.rs:19:15
|
LL | fn is_send<T: Send>(_: T) {}
| ^^^^ required by this bound in `is_send`
error: future cannot be sent between threads safely
--> $DIR/async-await-let-else.rs:52:13
|
LL | is_send(foo3(Some(true)));
| ^^^^^^^^^^^^^^^^ future returned by `foo3` is not `Send`
|
= help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `Rc<()>`
= note: use `std::sync::Arc` instead of `std::rc::Rc`
note: future is not `Send` as this value is used across an await
--> $DIR/async-await-let-else.rs:33:29
|
LL | (Rc::new(()), bar().await);
| ----------- ^^^^^ - `Rc::new(())` is later dropped here
| | |
| | await occurs here, with `Rc::new(())` maybe used later
| has type `Rc<()>` which is not `Send`
note: required by a bound in `is_send`
--> $DIR/async-await-let-else.rs:19:15
|
LL | fn is_send<T: Send>(_: T) {}
| ^^^^ required by this bound in `is_send`
error: future cannot be sent between threads safely
--> $DIR/async-await-let-else.rs:54:13
|
LL | is_send(foo4(Some(true)));
| ^^^^^^^^^^^^^^^^ future returned by `foo4` is not `Send`
|
= help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `Rc<()>`
= note: use `std::sync::Arc` instead of `std::rc::Rc`
note: future is not `Send` as this value is used across an await
--> $DIR/async-await-let-else.rs:41:15
|
LL | let r = Rc::new(());
| - has type `Rc<()>` which is not `Send`
LL | bar().await;
| ^^^^^ await occurs here, with `r` maybe used later
...
LL | };
| - `r` is later dropped here
note: required by a bound in `is_send`
--> $DIR/async-await-let-else.rs:19:15
|
LL | fn is_send<T: Send>(_: T) {}
| ^^^^ required by this bound in `is_send`
error: aborting due to 4 previous errors