parse "gopher://null.host:0/;\xbeqW\xe8h)\x85\xe7\x8e^\x01\x9e\xfb\xd6\x19\xa5\xd4\xe1\x0f\xbb\x91d\xf2Sfw[3\xec\xca(\x9e\xdd": net/url: invalid control character in URL