error[E0700]: hidden type for `impl Trait` captures lifetime that does not appear in bounds
  --> $DIR/arbitrary_self_types_pin_lifetime_mismatch-async.rs:8:45
   |
LL |     async fn a(self: Pin<&Foo>, f: &Foo) -> &Foo { f }
   |                                             ^^^^
   |
   = note: hidden type `impl std::future::Future` captures lifetime '_#15r

error: lifetime may not live long enough
  --> $DIR/arbitrary_self_types_pin_lifetime_mismatch-async.rs:8:52
   |
LL |     async fn a(self: Pin<&Foo>, f: &Foo) -> &Foo { f }
   |                          -                         ^ function was supposed to return data with lifetime `'_` but it is returning data with lifetime `'_`
   |                          |
   |                          lifetime `'_` defined here
   |                          lifetime `'_` defined here

error: lifetime may not live long enough
  --> $DIR/arbitrary_self_types_pin_lifetime_mismatch-async.rs:11:75
   |
LL |     async fn c(self: Pin<&Self>, f: &Foo, g: &Foo) -> (Pin<&Foo>, &Foo) { (self, f) }
   |                          -                                                ^^^^^^^^^ function was supposed to return data with lifetime `'_` but it is returning data with lifetime `'_`
   |                          |
   |                          lifetime `'_` defined here
   |                          lifetime `'_` defined here

error[E0700]: hidden type for `impl Trait` captures lifetime that does not appear in bounds
  --> $DIR/arbitrary_self_types_pin_lifetime_mismatch-async.rs:17:58
   |
LL |     async fn bar<'a>(self: Alias<&Self>, arg: &'a ()) -> &() { arg }
   |                                                          ^^^
   |
   = note: hidden type `impl std::future::Future` captures lifetime '_#15r

error: lifetime may not live long enough
  --> $DIR/arbitrary_self_types_pin_lifetime_mismatch-async.rs:17:64
   |
LL |     async fn bar<'a>(self: Alias<&Self>, arg: &'a ()) -> &() { arg }
   |                  --              - lifetime `'_` defined here  ^^^ function was supposed to return data with lifetime `'_` but it is returning data with lifetime `'a`
   |                  |
   |                  lifetime `'a` defined here

error: aborting due to 5 previous errors

For more information about this error, try `rustc --explain E0700`.