error[E0491]: in type `&'a rev_variant_struct_region::Foo<'b>`, reference has a longer lifetime than the data it references
  --> $DIR/regions-outlives-nominal-type-struct-region-rev.rs:24:9
   |
LL |         f: &'a Foo<'b> //~ ERROR reference has a longer lifetime
   |         ^^^^^^^^^^^^^^
   |
note: the pointer is valid for the lifetime 'a as defined on the struct at 23:16
  --> $DIR/regions-outlives-nominal-type-struct-region-rev.rs:23:16
   |
LL |     struct Bar<'a,'b> {
   |                ^^
note: but the referenced data is only valid for the lifetime 'b as defined on the struct at 23:19
  --> $DIR/regions-outlives-nominal-type-struct-region-rev.rs:23:19
   |
LL |     struct Bar<'a,'b> {
   |                   ^^

error: aborting due to previous error

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