error[E0597]: `scope2` does not live long enough
  --> $DIR/handle_scope_lifetime_4.rs:9:35
   |
7  |   let mut _scope3 = {
   |       ----------- borrow later stored here
8  |     let mut scope2 = v8::HandleScope::new(&mut scope1);
9  |     v8::EscapableHandleScope::new(&mut scope2)
   |                                   ^^^^^^^^^^^ borrowed value does not live long enough
10 |   };
   |   - `scope2` dropped here while still borrowed