--- a/net/server_epoll.lua	Mon Dec 23 21:43:34 2019 +0100
+++ b/net/server_epoll.lua	Mon Dec 23 21:51:52 2019 +0100
@@ -114,7 +114,7 @@
 			break;
 		end
 
-		local _, timer, id = timers:pop();
+		local _, timer = timers:pop();
 		local ok, ret = pcall(timer[2], now);
 		if ok and type(ret) == "number"  then
 			local next_time = elapsed+ret;