error[E0191]: the value of the associated type `Output` in `Base` must be specified --> $DIR/with-self-in-projection-output-bad.rs:45:21 | LL | type Output; | ----------- `Output` defined here ... LL | let _x: Box> = Box::new(2u32); | ^^^^^^^^^^^^^^^^^^ help: specify the associated type: `Helper` error[E0191]: the value of the associated type `Output` in `Base` must be specified --> $DIR/with-self-in-projection-output-bad.rs:48:21 | LL | type Output; | ----------- `Output` defined here ... LL | let _y: Box> = Box::new(2u32); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: specify the associated type: `NormalizableHelper` error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0191`.