error[E0049]: method `foo` has 1 type parameter but its trait declaration has 0 type parameters
  --> $DIR/type-arg-mismatch-due-to-impl-trait.rs:10:22
   |
LL |     fn foo(&self, t: Self::T);
   |           - expected 0 type parameters
...
LL |     fn foo(&self, t: impl Clone) {}
   |                      ^^^^^^^^^^
   |                      |
   |                      found 1 type parameter
   |                      `impl Trait` introduces an implicit type parameter

error: aborting due to previous error

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