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`.