error[E0597]: `y` does not live long enough
  --> $DIR/capture-ref-in-struct.rs:18:16
   |
LL |         let y = 22;
   |             - binding `y` declared here
...
LL |             y: &y,
   |                ^^ borrowed value does not live long enough
...
LL |     }
   |     - `y` dropped here while still borrowed
LL |
LL |     deref(p);
   |           - borrow later used here

error: aborting due to previous error

For more information about this error, try `rustc --explain E0597`.