error[E0491]: in type `&'a Foo<&'b i32>`, reference has a longer lifetime than the data it references
  --> $DIR/regions-outlives-nominal-type-type-rev.rs:17:20
   |
LL |         type Out = &'a Foo<&'b i32>;
   |                    ^^^^^^^^^^^^^^^^
   |
note: the pointer is valid for the lifetime `'a` as defined here
  --> $DIR/regions-outlives-nominal-type-type-rev.rs:16:10
   |
LL |     impl<'a, 'b> Trait<'a, 'b> for usize {
   |          ^^
note: but the referenced data is only valid for the lifetime `'b` as defined here
  --> $DIR/regions-outlives-nominal-type-type-rev.rs:16:14
   |
LL |     impl<'a, 'b> Trait<'a, 'b> for usize {
   |              ^^

error: aborting due to previous error

For more information about this error, try `rustc --explain E0491`.