error[E0597]: `z` does not live long enough
  --> $DIR/regions-escape-loop-via-vec.rs:7:22
   |
LL |         _y.push(&mut z);
   |                      ^ borrowed value does not live long enough
...
LL |     }
   |     - `z` dropped here while still borrowed
LL | }
   | - borrowed value needs to live until here

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];
   |                            - borrow of `x` occurs here
LL |     while x < 10 {
   |           ^ use of borrowed `x`

error[E0503]: cannot use `x` because it was mutably borrowed
  --> $DIR/regions-escape-loop-via-vec.rs:6:13
   |
LL |     let mut _y = vec![&mut x];
   |                            - borrow of `x` occurs here
LL |     while x < 10 {
LL |         let mut z = x;
   |             ^^^^^ use of borrowed `x`

error[E0506]: cannot assign to `x` because it is borrowed
  --> $DIR/regions-escape-loop-via-vec.rs:9:9
   |
LL |     let mut _y = vec![&mut x];
   |                            - borrow of `x` occurs here
...
LL |         x += 1;
   |         ^^^^^^ assignment to borrowed `x` occurs here

error: aborting due to 4 previous errors

Some errors have detailed explanations: E0503, E0506, E0597.
For more information about an error, try `rustc --explain E0503`.