error[E0277]: the trait bound `unsafe fn() -> Pin<Box<(dyn Future<Output = ()> + 'static)>> {unsafety}: AsyncFn<()>` is not satisfied
  --> $DIR/fn-exception.rs:19:10
   |
LL |     test(unsafety);
   |     ---- ^^^^^^^^ the trait `AsyncFn<()>` is not implemented for fn item `unsafe fn() -> Pin<Box<(dyn Future<Output = ()> + 'static)>> {unsafety}`
   |     |
   |     required by a bound introduced by this call
   |
note: required by a bound in `test`
  --> $DIR/fn-exception.rs:16:17
   |
LL | fn test(f: impl async Fn()) {}
   |                 ^^^^^^^^^^ required by this bound in `test`

error[E0277]: the trait bound `extern "C" fn() -> Pin<Box<(dyn Future<Output = ()> + 'static)>> {abi}: AsyncFn<()>` is not satisfied
  --> $DIR/fn-exception.rs:20:10
   |
LL |     test(abi);
   |     ---- ^^^ the trait `AsyncFn<()>` is not implemented for fn item `extern "C" fn() -> Pin<Box<(dyn Future<Output = ()> + 'static)>> {abi}`
   |     |
   |     required by a bound introduced by this call
   |
note: required by a bound in `test`
  --> $DIR/fn-exception.rs:16:17
   |
LL | fn test(f: impl async Fn()) {}
   |                 ^^^^^^^^^^ required by this bound in `test`

error: aborting due to 2 previous errors

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