message: NO-TICKET: fix formatting missed by rustfmt
diff: @@ -447,7 +447,14 @@ async fn server_task<REv: ReactorEventT<P>, P: PayloadT>(
  // https://github.com/libp2p/rust-libp2p/issues/1876
  swarm_event = swarm.next_event() => {
  trace!("{}: {:?}", our_id(&swarm), swarm_event);
  - handle_swarm_event(&mut swarm, event_queue, swarm_event, &known_addresses_mut, is_bootstrap_node).await;
  + handle_swarm_event(
  + &mut swarm,
  + event_queue,
  + swarm_event,
  + &known_addresses_mut,
  + is_bootstrap_node
  + )
  + .await;
  }
  // `UnboundedReceiver::recv()` is cancellation safe - see
  