parse "gopher://null.host:0/H\xe3\xcd\xf1E^\x9e\xa7y\x9dt\xfa\x1c}\xa7\xe6\xfb\xf5M\x19f\xae\x1a'\xb20\xebf\xc2\xd0\xf1\x95!\x9e\xbf\xf0\xd8": net/url: invalid control character in URL