parse "gopher://null.host:0/\a\xff\x8dr\x0f\xa6<\xb0\x02\xe5ALy\xffa\xa2\xdc\xc8@y\x98\xa0,\xff \xe5\x1d\xa6K\x904`\x87ɍ\u007f\xd4@k\x04\x9e\xe5^Z\xb4\x82w\xfa\xdbab\xc5t\x00>\xaa\xe7\xfa": net/url: invalid control character in URL