message: Remove redundant allow(dead_code)
diff: @@ -93,7 +93,6 @@ impl Handle {
  *self.id.write().unwrap() = H5I_INVALID_HID;
  }
  - #[allow(dead_code)] // FIXME: spurious rustc warning
  pub fn incref(&self) {
  if is_valid_user_id(self.id()) {
  h5lock!(H5Iinc_ref(self.id()));
  