error[E0503]: cannot use `x` because it was mutably borrowed
  --> $DIR/regions-escape-loop-via-vec.rs:5:11
   |
LL |     let mut _y = vec![&mut x];
   |                       ------ `x` is borrowed here
LL |     while x < 10 {
   |           ^ use of borrowed `x`
LL |         let mut z = x;
LL |         _y.push(&mut z);
   |         -- borrow later used here

error[E0503]: cannot use `x` because it was mutably borrowed
  --> $DIR/regions-escape-loop-via-vec.rs:6:21
   |
LL |     let mut _y = vec![&mut x];
   |                       ------ `x` is borrowed here
LL |     while x < 10 {
LL |         let mut z = x;
   |                     ^ use of borrowed `x`
LL |         _y.push(&mut z);
   |         -- borrow later used here

error[E0597]: `z` does not live long enough
  --> $DIR/regions-escape-loop-via-vec.rs:7:17
   |
LL |         let mut z = x;
   |             ----- binding `z` declared here
LL |         _y.push(&mut z);
   |         --      ^^^^^^ borrowed value does not live long enough
   |         |
   |         borrow later used here
...
LL |     }
   |     - `z` dropped here while still borrowed

error[E0503]: cannot use `x` because it was mutably borrowed
  --> $DIR/regions-escape-loop-via-vec.rs:9:9
   |
LL |     let mut _y = vec![&mut x];
   |                       ------ `x` is borrowed here
...
LL |         _y.push(&mut z);
   |         -- borrow later used here
LL |
LL |         x += 1;
   |         ^^^^^^ use of borrowed `x`

error: aborting due to 4 previous errors

Some errors have detailed explanations: E0503, E0597.
For more information about an error, try `rustc --explain E0503`.