tests/ui/traits/error-reporting/leaking-vars-in-cause-code-1.stderr

error[E0277]: `dyn AsyncFn<Fut = Pin<Box<dyn Future<Output = ()> + Send>>>` cannot be shared between threads safely
  --> $DIR/leaking-vars-in-cause-code-1.rs:32:17
   |
LL |     assert_send(cursed_fut());
   |     ----------- ^^^^^^^^^^^^ `dyn AsyncFn<Fut = Pin<Box<dyn Future<Output = ()> + Send>>>` cannot be shared between threads safely
   |     |
   |     required by a bound introduced by this call
   |
   = help: the trait `Sync` is not implemented for `dyn AsyncFn<Fut = Pin<Box<dyn Future<Output = ()> + Send>>>`
   = note: required for `&dyn AsyncFn<Fut = Pin<Box<dyn Future<Output = ()> + Send>>>` to implement `Send`
note: required because it's used within this `async` fn body
  --> $DIR/leaking-vars-in-cause-code-1.rs:19:53
   |
LL |   async fn wrap_call<P: AsyncFn + ?Sized>(filter: &P) {
   |  _____________________________________________________^
LL | |     filter.call().await;
LL | | }
   | |_^
note: required because it's used within this `async` fn body
  --> $DIR/leaking-vars-in-cause-code-1.rs:27:23
   |
LL |   async fn cursed_fut() {
   |  _______________________^
LL | |     wrap_call(get_boxed_fn().as_ref()).await;
LL | | }
   | |_^
note: required by a bound in `assert_send`
  --> $DIR/leaking-vars-in-cause-code-1.rs:36:19
   |
LL | fn assert_send<T: Send>(t: T) -> T {
   |                   ^^^^ required by this bound in `assert_send`

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0277`.