parse "gopher://null.host:0/-ϼI\xf0qwɸ\x1b<ᨚy(M-\xb62\xa1\xbf3!\xa7V\xc8@>\xa1\f \xdbX&\x169\x99\xcb]Ya\f\xcd\xcd\xd4\xe0o\xe6\x01\xeb\x91T": net/url: invalid control character in URL