error[E0277]: `T` doesn't implement `Debug`
  --> $DIR/generic_duplicate_param_use8.rs:10:5
   |
LL |     (t, 4u32)
   |     ^^^^^^^^^ `T` cannot be formatted using `{:?}` because it doesn't implement `Debug`
   |
   = note: required for `(T, u32)` to implement `Debug`
help: consider restricting type parameter `T`
   |
LL | type Two<T: std::fmt::Debug, U> = impl Debug;
   |           +++++++++++++++++

error[E0277]: `U` doesn't implement `Debug`
  --> $DIR/generic_duplicate_param_use8.rs:15:5
   |
LL |     (u, 4u32)
   |     ^^^^^^^^^ `U` cannot be formatted using `{:?}` because it doesn't implement `Debug`
   |
   = note: required for `(U, u32)` to implement `Debug`
help: consider restricting type parameter `U`
   |
LL | type Two<T, U: std::fmt::Debug> = impl Debug;
   |              +++++++++++++++++

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0277`.