os-rust/tests/ui/error-codes/E0049.stderr

error[E0049]: method `foo` has 0 type parameters but its trait declaration has 1 type parameter
  --> $DIR/E0049.rs:8:11
   |
LL |     fn foo<T: Default>(x: T) -> Self;
   |            - expected 1 type parameter
...
LL |     fn foo(x: bool) -> Self { Bar }
   |           ^ found 0 type parameters

error[E0049]: method `fuzz` has 0 type parameters but its trait declaration has 2 type parameters
  --> $DIR/E0049.rs:18:12
   |
LL |     fn fuzz<A: Default, B>(x: A, y: B) -> Self;
   |             -           -
   |             |
   |             expected 2 type parameters
...
LL |     fn fuzz(x: bool, y: bool) -> Self { Baz }
   |            ^ found 0 type parameters

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0049`.