error[E0107]: missing generics for associated type `SomeTrait::Wrapped` --> $DIR/issue-79636-2.rs:11:18 | LL | W: SomeTrait, | ^^^^^^^ expected 1 generic argument | note: associated type defined here, with 1 generic parameter: `A` --> $DIR/issue-79636-2.rs:4:10 | LL | type Wrapped: SomeTrait; | ^^^^^^^ - help: add missing generic argument | LL | W: SomeTrait = W>, | ~~~~~~~~~~ error: aborting due to previous error For more information about this error, try `rustc --explain E0107`.