parse "gopher://null.host:0/I\x96\x83\xceL\x1a\xf6B\f\xbb\f\x16\x906{\xf2]Z&\x8eEz\xaf\xa2@WD\x86\x8f^\xdcb\xe4\xe2\x06Z\"\x86\x13\xb2\x82g\x15\xce<7": net/url: invalid control character in URL