parse "gopher://null.host:0/h\xb11ҀF\x95\x82\x89\x8e\xf5[\xef\xe9\xad>\xb2\x9bC\xab\x9a\xce_h\x9e(\xbfm\f&:\xb4@t\xb7\xbc\x1b": net/url: invalid control character in URL