error[E0495]: cannot infer an appropriate lifetime due to conflicting requirements
   --> tests/compile/async_nonstatic_userdata.rs:11:72
    |
11  |               methods.add_async_method("print", |_, data, ()| async move {
    |  ________________________________________________________________________^
12  | |                 println!("{}", data.0);
13  | |                 Ok(())
14  | |             });
    | |_____________^
    |
note: first, the lifetime cannot outlive the lifetime `'a` as defined here...
   --> tests/compile/async_nonstatic_userdata.rs:9:10
    |
9   |     impl<'a> UserData for MyUserData<'a> {
    |          ^^
note: ...so that the types are compatible
   --> tests/compile/async_nonstatic_userdata.rs:11:72
    |
11  |               methods.add_async_method("print", |_, data, ()| async move {
    |  ________________________________________________________________________^
12  | |                 println!("{}", data.0);
13  | |                 Ok(())
14  | |             });
    | |_____________^
    = note: expected `(MyUserData<'_>,)`
               found `(MyUserData<'a>,)`
note: but, the lifetime must be valid for the lifetime `'lua` as defined here...
   --> tests/compile/async_nonstatic_userdata.rs:10:24
    |
10  |         fn add_methods<'lua, M: UserDataMethods<'lua, Self>>(methods: &mut M) {
    |                        ^^^^
note: ...so that the type `impl Future<Output = [async output]>` will meet its required lifetime bounds...
   --> tests/compile/async_nonstatic_userdata.rs:11:21
    |
11  |             methods.add_async_method("print", |_, data, ()| async move {
    |                     ^^^^^^^^^^^^^^^^
note: ...that is required by this bound
   --> src/userdata.rs
    |
    |         MR: 'lua + Future<Output = Result<R>>;
    |             ^^^^