error[E0499]: cannot borrow `scope1` as mutable more than once at a time
 --> $DIR/handle_scope_lifetime_1.rs:7:33
  |
6 |   let mut _scope2 = v8::EscapableHandleScope::new(&mut scope1);
  |                                                   ----------- first mutable borrow occurs here
7 |   let _local = v8::Integer::new(&mut scope1, 123);
  |                                 ^^^^^^^^^^^ second mutable borrow occurs here
8 | }
  | - first borrow might be used here, when `_scope2` is dropped and runs the `Drop` code for type `EscapableHandleScope`