pyo3/tests/ui/invalid_closure.stderr

error[E0597]: `local_data` does not live long enough
  --> tests/ui/invalid_closure.rs:7:27
   |
7  |         let ref_: &[u8] = &local_data;
   |                           ^^^^^^^^^^^ borrowed value does not live long enough
...
13 |         PyCFunction::new_closure(closure_fn, py).unwrap().into()
   |         ---------------------------------------- argument requires that `local_data` is borrowed for `'static`
14 |     });
   |     - `local_data` dropped here while still borrowed

error[E0373]: closure may outlive the current function, but it borrows `ref_`, which is owned by the current function
  --> tests/ui/invalid_closure.rs:9:26
   |
9  |         let closure_fn = |_args: &PyTuple, _kwargs: Option<&PyDict>| -> PyResult<()> {
   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ may outlive borrowed value `ref_`
10 |             println!("This is five: {:?}", ref_.len());
   |                                            ---- `ref_` is borrowed here
   |
note: function requires argument type to outlive `'static`
  --> tests/ui/invalid_closure.rs:13:9
   |
13 |         PyCFunction::new_closure(closure_fn, py).unwrap().into()
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
help: to force the closure to take ownership of `ref_` (and any other referenced variables), use the `move` keyword
   |
9  |         let closure_fn = move |_args: &PyTuple, _kwargs: Option<&PyDict>| -> PyResult<()> {
   |                          ++++