parse "gopher://null.host:0/zeG\x81\x9b\a\xdb:\xb4'K\xd4\x15\xf5O\x87\xb6;\x03\xda\xd1h<\xca\xfaЋ\xba\v\xebF~\x90\r\xcbئ": net/url: invalid control character in URL