warning: unused coroutine that must be used
  --> $DIR/too-live-local-in-immovable-gen.rs:8:22
   |
LL |           #[coroutine] static move || {
   |  ______________________^
...  |
LL | |             let _ = &a;
LL | |         };
   | |_________^
   |
   = note: coroutines are lazy and do nothing unless resumed
   = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default

warning: 1 warning emitted