--- a/net/adns.lua	Tue Jul 30 02:35:28 2019 +0200
+++ b/net/adns.lua	Tue Jul 30 02:36:15 2019 +0200
@@ -11,7 +11,7 @@
 
 local log = require "util.logger".init("adns");
 
-local coroutine, tostring, pcall = coroutine, tostring, pcall;
+local coroutine, pcall = coroutine, pcall;
 local setmetatable = setmetatable;
 
 local function dummy_send(sock, data, i, j) return (j-i)+1; end -- luacheck: ignore 212