parse "gopher://null.host:0/Ý\x9d/\x93]\x06\xff]@\xf7e\xa9\x991 \xd6\xde\\\x0ez\xcf \xc2\x1b4y\xcc@R:\xd4\xef\x8a)\xa2\xffb\xaf\x8bl\x7f\x8d\r{\x9a\xea\xfb\xdc\x1d\x8c\xed\xf1N\x06\x0f\xb9\xe9\xf9\xe8\b\xcd\x11\x7f\x1a\xf20[\xd0\xd3z}\xd1\"\xb3u\x87\x12\xad<\xba\x8c<\x8c\u038bnv\xd2@E.(\xdb9C\xc3\xdb!\xd5\b\xe1\xaeC_\x1c\x89:qJ*v": net/url: invalid control character in URL