error: busy-waiting loop should at least have a spin loop hint --> $DIR/missing_spin_loop_no_std.rs:12:37 | LL | while b.load(Ordering::Acquire) {} | ^^ help: try: `{ core::hint::spin_loop() }` | = note: `-D clippy::missing-spin-loop` implied by `-D warnings` error: aborting due to previous error