error[E0107]: missing generics for trait `IntoCow` --> $DIR/ufcs-qpath-missing-params.rs:14:16 | LL | ::into_cow("foo".to_string()); | ^^^^^^^ expected 1 generic argument | note: trait defined here, with 1 generic parameter: `B` --> $DIR/ufcs-qpath-missing-params.rs:3:11 | LL | pub trait IntoCow<'a, B: ?Sized> where B: ToOwned { | ^^^^^^^ - help: add missing generic argument | LL | >::into_cow("foo".to_string()); | +++ error[E0107]: missing generics for trait `IntoCow` --> $DIR/ufcs-qpath-missing-params.rs:17:16 | LL | ::into_cow::("foo".to_string()); | ^^^^^^^ expected 1 generic argument | note: trait defined here, with 1 generic parameter: `B` --> $DIR/ufcs-qpath-missing-params.rs:3:11 | LL | pub trait IntoCow<'a, B: ?Sized> where B: ToOwned { | ^^^^^^^ - help: add missing generic argument | LL | >::into_cow::("foo".to_string()); | +++ error[E0107]: method takes 0 generic arguments but 1 generic argument was supplied --> $DIR/ufcs-qpath-missing-params.rs:17:26 | LL | ::into_cow::("foo".to_string()); | ^^^^^^^^------- help: remove the unnecessary generics | | | expected 0 generic arguments | note: method defined here, with 0 generic parameters --> $DIR/ufcs-qpath-missing-params.rs:4:8 | LL | fn into_cow(self) -> Cow<'a, B>; | ^^^^^^^^ error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0107`.