error[E0499]: cannot borrow `scope1` as mutable more than once at a time
 --> $DIR/handle_scope_lifetime_2.rs:8:34
  |
7 |   let mut scope2 = v8::EscapableHandleScope::new(&mut scope1);
  |                                                  ----------- first mutable borrow occurs here
8 |   let _local1 = v8::Integer::new(&mut scope1, 123);
  |                                  ^^^^^^^^^^^ second mutable borrow occurs here
9 |   let _local2 = v8::Integer::new(&mut scope2, 123);
  |                                  ----------- first borrow later used here