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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: future is not `Send` as this value is used across an await
+ --> $DIR/async-await-let-else.rs:11:14
+ |
+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:19:15
+ |
+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:50:13
+ |
+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:27:29
+ |
+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:21:32
+ |
+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: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: future is not `Send` as this value is used across an await
+ --> $DIR/async-await-let-else.rs:33:28
+ |
+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: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: future is not `Send` as this value is used across an await
+ --> $DIR/async-await-let-else.rs:41:14
+ |
+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:19:15
+ |
+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`.