src/test/ui/traits/issue-91594.stderr

   1 error[E0277]: the trait bound `Foo: HasComponent<()>` is not satisfied
   2   --> $DIR/issue-91594.rs:10:1
   3    |
   4 LL | impl HasComponent<<Foo as Component<Foo>>::Interface> for Foo {}
   5    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `HasComponent<()>` is not implemented for `Foo`
   6    |
   7    = help: the trait `HasComponent<<Foo as Component<Foo>>::Interface>` is implemented for `Foo`
   8 note: required for `Foo` to implement `Component<Foo>`
   9   --> $DIR/issue-91594.rs:13:27
  10    |
  11 LL | impl<M: HasComponent<()>> Component<M> for Foo {
  12    |                           ^^^^^^^^^^^^     ^^^
  13
  14 error: aborting due to previous error
  15
  16 For more information about this error, try `rustc --explain E0277`.