parse "gopher://null.host:0/\x03Gq\xb2\xff\x17Փ\xb3\xc3\x1e\x9f\x05\x82J?D\xe2D-J89[\xa5\x14\x04\xe5\xe8\xedh8\x9d\x05}": net/url: invalid control character in URL