error: this looks like you are trying to swap `a` and `b` --> $DIR/no_std_swap.rs:12:5 | LL | / a = b; LL | | b = a; | |_________^ help: try: `core::mem::swap(&mut a, &mut b)` | = note: or maybe you should use `core::mem::replace`? = note: `-D clippy::almost-swapped` implied by `-D warnings` error: aborting due to previous error