parse "gopher://null.host:0/$\x00p\x14\xe3U|?\x92\bc\xadXC\f\xb2>\a\x890\xd8w\xfa\x90\xe1\x10\xe2_c\xf1\x00\xae\xbe\xe4\xaea\x82\xee\x9ao": net/url: invalid control character in URL