parse "gopher://null.host:0/r\x1e\xde\x19\xe8\x18\xb7\xff\x84X\x03P9Q\"\x02|\x85\x1fu\xae\x18Q\xeaD}J\x1e&\xa7!\xcb\xd9\xdbc<\xea\x83\xf9|?\x0e\x97F": net/url: invalid control character in URL