parse "gopher://null.host:0/\x18c\xb5\xad\xcf\xf3\x94\x10\x89\xd7\"*\xf0\xf0B\xd3U?\xf9\x11ΡΎ&DO\xae)\xb8\xba\xf3\x9e\x9e>\xbdw f\xb4:1>t\xbcR\x9fk\x97\x01Jq\xd5\x18\x81": net/url: invalid control character in URL