error[E0495]: cannot infer an appropriate lifetime due to conflicting requirements
  --> $DIR/regions-ret-borrowed-1.rs:10:14
   |
LL |     with(|o| o)
   |              ^
   |
note: first, the lifetime cannot outlive the anonymous lifetime #2 defined on the body at 10:10...
  --> $DIR/regions-ret-borrowed-1.rs:10:10
   |
LL |     with(|o| o)
   |          ^^^^^
   = note: ...so that the expression is assignable:
           expected &isize
              found &isize
note: but, the lifetime must be valid for the lifetime `'a` as defined on the function body at 9:14...
  --> $DIR/regions-ret-borrowed-1.rs:9:14
   |
LL | fn return_it<'a>() -> &'a isize {
   |              ^^
note: ...so that reference does not outlive borrowed content
  --> $DIR/regions-ret-borrowed-1.rs:10:5
   |
LL |     with(|o| o)
   |     ^^^^^^^^^^^

error: aborting due to previous error

For more information about this error, try `rustc --explain E0495`.