parse "gopher://null.host:0/O&t 3uoY\xaf\x05\xaa\x17\x03_X\xf5\x038\xe0v \xd5v\x8dT\a\x81\xd1\xfbg\xfb>EK\xa1\x83\x99R\xea\x17\xc8\xff\x14\x15": net/url: invalid control character in URL