1 error[E0107]: missing generics for associated type `TestMut::Output`
2 --> $DIR/issue-80433.rs:10:10
5 | ^^^^^^ expected 1 lifetime argument
7 note: associated type defined here, with 1 lifetime parameter: `'a`
8 --> $DIR/issue-80433.rs:10:10
12 help: use angle brackets to add missing lifetime argument
14 LL | type Output<'a><'a>;
17 error: aborting due to previous error
19 For more information about this error, try `rustc --explain E0107`.