error[E0373]: closure may outlive the current function, but it borrows `test.0`, which is owned by the current function
  --> tests/compile/function_borrow.rs:9:33
   |
9  |     let _ = lua.create_function(|_, ()| -> Result<i32> {
   |                                 ^^^^^^^^^^^^^^^^^^^^^^ may outlive borrowed value `test.0`
10 |         Ok(test.0)
   |            ------ `test.0` is borrowed here
   |
note: function requires argument type to outlive `'static`
  --> tests/compile/function_borrow.rs:9:13
   |
9  |       let _ = lua.create_function(|_, ()| -> Result<i32> {
   |  _____________^
10 | |         Ok(test.0)
11 | |     });
   | |______^
help: to force the closure to take ownership of `test.0` (and any other referenced variables), use the `move` keyword
   |
9  |     let _ = lua.create_function(move |_, ()| -> Result<i32> {
   |                                 ++++