error[E0597]: `scope3` does not live long enough
  --> tests/compile_fail/try_catch_exception_lifetime.rs:11:43
   |
9  |   let _exception = {
   |       ---------- borrow later stored here
10 |     let mut scope3 = v8::HandleScope::new(&mut scope2);
   |         ---------- binding `scope3` declared here
11 |     let mut scope4 = v8::HandleScope::new(&mut scope3);
   |                                           ^^^^^^^^^^^ borrowed value does not live long enough
...
14 |   };
   |   - `scope3` dropped here while still borrowed