src/test/ui/feature-gates/feature-gate-member-constraints.stderr

   1 error: ambiguous lifetime bound in `impl Trait`
   2   --> $DIR/feature-gate-member-constraints.rs:4:43
   3    |
   4 LL | fn foo<'a, 'b>(x: &'a u32, y: &'b u32) -> impl Trait<'a, 'b> {
   5    |                                           ^^^^^^^^^^^^^^^^^^ neither `'a` nor `'b` outlives the other
   6    |
   7    = help: add #![feature(member_constraints)] to the crate attributes to enable
   8
   9 error: ambiguous lifetime bound in `impl Trait`
  10   --> $DIR/feature-gate-member-constraints.rs:4:43
  11    |
  12 LL | fn foo<'a, 'b>(x: &'a u32, y: &'b u32) -> impl Trait<'a, 'b> {
  13    |                                           ^^^^^^^^^^^^^^^^^^ the elided lifetimes here do not outlive one another
  14    |
  15    = help: add #![feature(member_constraints)] to the crate attributes to enable
  16
  17 error: aborting due to 2 previous errors
  18