error[E0700]: hidden type for `impl Trait` captures lifetime that does not appear in bounds
  --> $DIR/ref-mut-struct-async.rs:13:56
   |
LL |     async fn ref_Struct(self: &mut Struct, f: &u32) -> &u32 {
   |                                                        ^^^^
   |
   = note: hidden type `impl std::future::Future` captures lifetime '_#15r

error: lifetime may not live long enough
  --> $DIR/ref-mut-struct-async.rs:14:9
   |
LL |     async fn ref_Struct(self: &mut Struct, f: &u32) -> &u32 {
   |                               -
   |                               |
   |                               lifetime `'_` defined here
   |                               lifetime `'_` defined here
LL |         f
   |         ^ function was supposed to return data with lifetime `'_` but it is returning data with lifetime `'_`

error[E0700]: hidden type for `impl Trait` captures lifetime that does not appear in bounds
  --> $DIR/ref-mut-struct-async.rs:17:65
   |
LL |     async fn box_ref_Struct(self: Box<&mut Struct>, f: &u32) -> &u32 {
   |                                                                 ^^^^
   |
   = note: hidden type `impl std::future::Future` captures lifetime '_#15r

error: lifetime may not live long enough
  --> $DIR/ref-mut-struct-async.rs:18:9
   |
LL |     async fn box_ref_Struct(self: Box<&mut Struct>, f: &u32) -> &u32 {
   |                                       -
   |                                       |
   |                                       lifetime `'_` defined here
   |                                       lifetime `'_` defined here
LL |         f
   |         ^ function was supposed to return data with lifetime `'_` but it is returning data with lifetime `'_`

error[E0700]: hidden type for `impl Trait` captures lifetime that does not appear in bounds
  --> $DIR/ref-mut-struct-async.rs:21:65
   |
LL |     async fn pin_ref_Struct(self: Pin<&mut Struct>, f: &u32) -> &u32 {
   |                                                                 ^^^^
   |
   = note: hidden type `impl std::future::Future` captures lifetime '_#15r

error: lifetime may not live long enough
  --> $DIR/ref-mut-struct-async.rs:22:9
   |
LL |     async fn pin_ref_Struct(self: Pin<&mut Struct>, f: &u32) -> &u32 {
   |                                       -
   |                                       |
   |                                       lifetime `'_` defined here
   |                                       lifetime `'_` defined here
LL |         f
   |         ^ function was supposed to return data with lifetime `'_` but it is returning data with lifetime `'_`

error[E0700]: hidden type for `impl Trait` captures lifetime that does not appear in bounds
  --> $DIR/ref-mut-struct-async.rs:25:74
   |
LL |     async fn box_box_ref_Struct(self: Box<Box<&mut Struct>>, f: &u32) -> &u32 {
   |                                                                          ^^^^
   |
   = note: hidden type `impl std::future::Future` captures lifetime '_#15r

error: lifetime may not live long enough
  --> $DIR/ref-mut-struct-async.rs:26:9
   |
LL |     async fn box_box_ref_Struct(self: Box<Box<&mut Struct>>, f: &u32) -> &u32 {
   |                                               -
   |                                               |
   |                                               lifetime `'_` defined here
   |                                               lifetime `'_` defined here
LL |         f
   |         ^ function was supposed to return data with lifetime `'_` but it is returning data with lifetime `'_`

error[E0700]: hidden type for `impl Trait` captures lifetime that does not appear in bounds
  --> $DIR/ref-mut-struct-async.rs:29:74
   |
LL |     async fn box_pin_ref_Struct(self: Box<Pin<&mut Struct>>, f: &u32) -> &u32 {
   |                                                                          ^^^^
   |
   = note: hidden type `impl std::future::Future` captures lifetime '_#15r

error: lifetime may not live long enough
  --> $DIR/ref-mut-struct-async.rs:30:9
   |
LL |     async fn box_pin_ref_Struct(self: Box<Pin<&mut Struct>>, f: &u32) -> &u32 {
   |                                               -
   |                                               |
   |                                               lifetime `'_` defined here
   |                                               lifetime `'_` defined here
LL |         f
   |         ^ function was supposed to return data with lifetime `'_` but it is returning data with lifetime `'_`

error: aborting due to 10 previous errors

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