1 error[E0599]: no method named `f` found for type `u32` in the current scope
2 --> $DIR/hr-associated-type-bound-2.rs:19:10
5 | ^ method not found in `u32`
7 = note: the method `f` exists but the following trait bounds were not satisfied:
8 `<u32 as X<'b>>::U: Clone`
9 which is required by `u32: X`
11 error: aborting due to previous error
13 For more information about this error, try `rustc --explain E0599`.