error[E0502]: cannot borrow `vec` as mutable because it is also borrowed as immutable
  --> $DIR/two-phase-reservation-sharing-interference.rs:33:17
   |
LL |         let shared = &vec;
   |                      ---- immutable borrow occurs here
...
LL |         delay = &mut vec;
   |                 ^^^^^^^^ mutable borrow occurs here
...
LL |         shared[0];
   |         ------ immutable borrow later used here

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0502`.