error[E0597]: `b` does not live long enough --> $DIR/mut-ptr-cant-outlive-ref.rs:8:15 | LL | let b = m.borrow(); | - binding `b` declared here LL | p = &*b; | ^ borrowed value does not live long enough LL | } | - `b` dropped here while still borrowed LL | LL | p.use_ref(); | - borrow later used here error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0597`.