fix

src/lavinmq/vhost.cr

@@ -123,6 +123,9 @@ module LavinMQ
       ex = @exchanges[msg.exchange_name]? || return false
       published_queue_count = ex.publish(msg, immediate, found_queues, visited)
       !published_queue_count.zero?
+    ensure
+      visited.clear
+      found_queues.clear
     end
 
     def details_tuple