message: fix unused warning in a test
diff: @@ -69,7 +69,7 @@ fn main() {
  });
  test(Some("align_offset: align is not a power-of-two"), |_old_val| {
  - (0usize as *const u8).align_offset(3);
  + let _ = (0usize as *const u8).align_offset(3);
  loop {}
  });
  