Enable unused_async clippy lint

src/service/manager.rs

@@ -57,7 +57,7 @@ impl Manager {
 
 		debug!("Starting service workers...");
 		for service in self.services.services() {
-			self.start_worker(&mut workers, &service).await?;
+			self.start_worker(&mut workers, &service)?;
 		}
 
 		Ok(())
@@ -78,7 +78,7 @@ impl Manager {
 			tokio::select! {
 				result = workers.join_next() => match result {
 					Some(Ok(result)) => self.handle_result(&mut workers, result).await?,
-					Some(Err(error)) => self.handle_abort(&mut workers, Error::from(error)).await?,
+					Some(Err(error)) => self.handle_abort(&mut workers, &Error::from(error))?,
 					None => break,
 				}
 			}
@@ -88,7 +88,8 @@ impl Manager {
 		Ok(())
 	}
 
-	async fn handle_abort(&self, _workers: &mut WorkersLocked<'_>, error: Error) -> Result {
+	#[allow(clippy::unused_self)]
+	fn handle_abort(&self, _workers: &mut WorkersLocked<'_>, error: &Error) -> Result {
 		// not supported until service can be associated with abort
 		unimplemented!("unexpected worker task abort {error:?}");
 	}
@@ -100,12 +101,13 @@ impl Manager {
 	) -> Result {
 		let (service, result) = result;
 		match result {
-			| Ok(()) => self.handle_finished(workers, &service).await,
+			| Ok(()) => self.handle_finished(workers, &service),
 			| Err(error) => self.handle_error(workers, &service, error).await,
 		}
 	}
 
-	async fn handle_finished(
+	#[allow(clippy::unused_self)]
+	fn handle_finished(
 		&self,
 		_workers: &mut WorkersLocked<'_>,
 		service: &Arc<dyn Service>,
@@ -136,11 +138,11 @@ impl Manager {
 		warn!("service {name:?} worker restarting after {} delay", time::pretty(delay));
 		sleep(delay).await;
 
-		self.start_worker(workers, service).await
+		self.start_worker(workers, service)
 	}
 
 	/// Start the worker in a task for the service.
-	async fn start_worker(
+	fn start_worker(
 		&self,
 		workers: &mut WorkersLocked<'_>,
 		service: &Arc<dyn Service>,