error[E0053]: method `poll` has an incompatible type for trait
  --> $DIR/bad-self-type.rs:10:13
   |
LL |     fn poll(self, _: &mut Context<'_>) -> Poll<()> {
   |             ^^^^
   |             |
   |             expected `Pin<&mut MyFuture>`, found `MyFuture`
   |             help: change the self-receiver type to match the trait: `self: Pin<&mut MyFuture>`
   |
   = note: expected signature `fn(Pin<&mut MyFuture>, &mut Context<'_>) -> Poll<_>`
              found signature `fn(MyFuture, &mut Context<'_>) -> Poll<_>`

error[E0053]: method `foo` has an incompatible type for trait
  --> $DIR/bad-self-type.rs:22:18
   |
LL |     fn foo(self: Box<Self>) {}
   |            ------^^^^^^^^^
   |            |     |
   |            |     expected `MyFuture`, found `Box<MyFuture>`
   |            help: change the self-receiver type to match the trait: `self`
   |
note: type in trait
  --> $DIR/bad-self-type.rs:17:12
   |
LL |     fn foo(self);
   |            ^^^^
   = note: expected signature `fn(MyFuture)`
              found signature `fn(Box<MyFuture>)`

error[E0053]: method `bar` has an incompatible type for trait
  --> $DIR/bad-self-type.rs:24:18
   |
LL |     fn bar(self) {}
   |                  ^ expected `Option<()>`, found `()`
   |
note: type in trait
  --> $DIR/bad-self-type.rs:18:21
   |
LL |     fn bar(self) -> Option<()>;
   |                     ^^^^^^^^^^
   = note: expected signature `fn(MyFuture) -> Option<()>`
              found signature `fn(MyFuture)`
help: change the output type to match the trait
   |
LL |     fn bar(self) -> Option<()> {}
   |                  +++++++++++++

error: aborting due to 3 previous errors

For more information about this error, try `rustc --explain E0053`.