src/test/ui/type-alias-impl-trait/type-alias-impl-trait-unconstrained-lifetime.stderr

   1 error[E0207]: the lifetime parameter `'a` is not constrained by the impl trait, self type, or predicates
   2   --> $DIR/type-alias-impl-trait-unconstrained-lifetime.rs:10:6
   3    |
   4 LL | impl<'a, I: Iterator<Item = i32>> Trait for (i32, I) {
   5    |      ^^ unconstrained lifetime parameter
   6
   7 error: aborting due to previous error
   8
   9 For more information about this error, try `rustc --explain E0207`.