src/test/ui/issues/issue-35570.stderr

   1 error[E0277]: the trait bound `for<'a> (): Trait2<'a>` is not satisfied
   2   --> $DIR/issue-35570.rs:8:4
   3    |
   4 LL | fn _ice(param: Box<dyn for <'a> Trait1<<() as Trait2<'a>>::Ty>>) {
   5    |    ^^^^ the trait `for<'a> Trait2<'a>` is not implemented for `()`
   6
   7 error: aborting due to previous error
   8
   9 For more information about this error, try `rustc --explain E0277`.