error[E0277]: the trait bound `(): Project` is not satisfied
  --> $DIR/bad-projection.rs:14:17
   |
LL | pub fn uwu() -> <() as Project>::Assoc {}
   |                 ^^^^^^^^^^^^^^^^^^^^^^ the trait `Project` is not implemented for `()`

error: aborting due to previous error

For more information about this error, try `rustc --explain E0277`.