error[E0191]: the value of the associated type `Output` (from trait `Base`) must be specified
  --> $DIR/with-self-in-projection-output-bad.rs:45:21
   |
LL |     type Output;
   |     ----------- `Output` defined here
...
LL |     let _x: Box<dyn Helper<Target=i32>> = Box::new(2u32);
   |                     ^^^^^^^^^^^^^^^^^^ help: specify the associated type: `Helper<Target=i32, Output = Type>`

error[E0191]: the value of the associated type `Output` (from trait `Base`) must be specified
  --> $DIR/with-self-in-projection-output-bad.rs:48:21
   |
LL |     type Output;
   |     ----------- `Output` defined here
...
LL |     let _y: Box<dyn NormalizableHelper<Target=i32>> = Box::new(2u32);
   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: specify the associated type: `NormalizableHelper<Target=i32, Output = Type>`

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0191`.