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Diffstat (limited to '')
| -rw-r--r-- | tests/ui/async-await/async-await-let-else.stderr | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/tests/ui/async-await/async-await-let-else.stderr b/tests/ui/async-await/async-await-let-else.stderr new file mode 100644 index 000000000..9a1c17822 --- /dev/null +++ b/tests/ui/async-await/async-await-let-else.stderr @@ -0,0 +1,100 @@ +error: future cannot be sent between threads safely + --> $DIR/async-await-let-else.rs:45:13 + | +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: future is not `Send` as this value is used across an await + --> $DIR/async-await-let-else.rs:8:15 + | +LL | let r = Rc::new(()); + | - has type `Rc<()>` which is not `Send` +LL | bar().await + | ^^^^^ await occurs here, with `r` maybe used later +note: required by a bound in `is_send` + --> $DIR/async-await-let-else.rs:16:15 + | +LL | fn is_send<T: Send>(_: T) {} + | ^^^^ required by this bound in `is_send` + +error[E0277]: `Rc<()>` cannot be sent between threads safely + --> $DIR/async-await-let-else.rs:47:13 + | +LL | async fn foo2(x: Option<bool>) { + | - within this `impl Future<Output = ()>` +... +LL | is_send(foo2(Some(true))); + | ------- ^^^^^^^^^^^^^^^^ `Rc<()>` cannot be sent between threads safely + | | + | required by a bound introduced by this call + | + = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `Rc<()>` +note: required because it's used within this `async fn` body + --> $DIR/async-await-let-else.rs:24:29 + | +LL | async fn bar2<T>(_: T) -> ! { + | _____________________________^ +LL | | panic!() +LL | | } + | |_^ + = note: required because it captures the following types: `impl Future<Output = !>` +note: required because it's used within this `async fn` body + --> $DIR/async-await-let-else.rs:18:32 + | +LL | async fn foo2(x: Option<bool>) { + | ________________________________^ +LL | | let Some(_) = x else { +LL | | bar2(Rc::new(())).await +LL | | }; +LL | | } + | |_^ +note: required by a bound in `is_send` + --> $DIR/async-await-let-else.rs:16:15 + | +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:49:13 + | +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: future is not `Send` as this value is used across an await + --> $DIR/async-await-let-else.rs:30:29 + | +LL | (Rc::new(()), bar().await); + | ----------- ^^^^^ 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:16:15 + | +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:51:13 + | +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: future is not `Send` as this value is used across an await + --> $DIR/async-await-let-else.rs:38:15 + | +LL | let r = Rc::new(()); + | - has type `Rc<()>` which is not `Send` +LL | bar().await; + | ^^^^^ await occurs here, with `r` maybe used later +note: required by a bound in `is_send` + --> $DIR/async-await-let-else.rs:16:15 + | +LL | fn is_send<T: Send>(_: T) {} + | ^^^^ required by this bound in `is_send` + +error: aborting due to 4 previous errors + +For more information about this error, try `rustc --explain E0277`. |