error[E0503]: cannot use `i` because it was mutably borrowed
  --> $DIR/two-phase-allow-access-during-reservation.rs:26:19
   |
LL |     /*1*/ let p = &mut i; // (reservation of `i` starts here)
   |                   ------ `i` is borrowed here
LL |
LL |     /*2*/ let j = i;      // OK: `i` is only reserved here
   |                   ^ use of borrowed `i`
...
LL |     /*3*/ *p += 1;        // (mutable borrow of `i` starts here, since `p` is used)
   |           ------- borrow later used here

error[E0503]: cannot use `i` because it was mutably borrowed
  --> $DIR/two-phase-allow-access-during-reservation.rs:31:19
   |
LL |     /*1*/ let p = &mut i; // (reservation of `i` starts here)
   |                   ------ `i` is borrowed here
...
LL |     /*4*/ let k = i;
   |                   ^ use of borrowed `i`
...
LL |     /*5*/ *p += 1;
   |           ------- borrow later used here

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0503`.