parse "gopher://null.host:0/\u009bk\xec\x9dpe\x15D12?\xc0\xfb\ak\xf0zUI\xd2î\xd2\xc3\xf1\xe7\v\x94\xcdZ\xd8[\xd5\xdcF\x93iO\xdc\x16\xaa\xfdz\xb9\xb2": net/url: invalid control character in URL