error[E0220]: associated type `Output` not found for `Self`
  --> $DIR/dont-probe-missing-item-name.rs:8:23
   |
LL |     fn bar() -> Self::Output;
   |                       ^^^^^^ associated type `Output` not found

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0220`.