error[E0107]: this associated type takes 1 lifetime argument but 0 lifetime arguments were supplied --> $DIR/issue-85347.rs:3:42 | LL | type Bar<'a>: Deref::Bar>; | ^^^ expected 1 lifetime argument | note: associated type defined here, with 1 lifetime parameter: `'a` --> $DIR/issue-85347.rs:3:10 | LL | type Bar<'a>: Deref::Bar>; | ^^^ -- help: add missing lifetime argument | LL | type Bar<'a>: Deref::Bar<'a, Target = Self>>; | +++ error[E0229]: associated type bindings are not allowed here --> $DIR/issue-85347.rs:3:46 | LL | type Bar<'a>: Deref::Bar>; | ^^^^^^^^^^^^^ associated type not allowed here error: aborting due to 2 previous errors Some errors have detailed explanations: E0107, E0229. For more information about an error, try `rustc --explain E0107`.