chore(clippy)

storefd-notify/src/lib.rs

@@ -209,6 +209,7 @@ impl Notifier {
 /// This is created by [`Notifier::guard`].
 ///
 /// Do note that this guard's [`Drop`] implementation will block for the provided timeout and ignore all errors returned by [`barrier()`](Self::barrier).
+#[must_use = "if unused the synchronization will happen immediately"]
 pub struct NotifyBarrierGuard<'a> {
     notifier: &'a Notifier,
     timeout: types::BarrierTimeout,