parse "gopher://null.host:0/¹\x9f\x02\x8c\x12\xa2\xfd\x11\xb7f\x81v\x87F\xfc!h\x9e\x93\xea\xe1\xdfD\xf4\r\xbf\xcct\xea\xe6\r\xae\x06Ò\b\xc9": net/url: invalid control character in URL