parse "gopher://null.host:0/z\xf0\xf1hX'\x15W\x10\x9fU\x01v6\x93i\x01\xbf\xf7\x9d\x01\x91\xd9\x19gS>\x8f\xd5\xfe\xf7\x97V O购2C\vҾϲ\x15\xa4N\xf3\x96g\xca{]\xab\xc5\xf1\x11\xa4\x84\xb0Q\x18\x06\xb8\x03÷Ӫ\x11\xebܹcu\xff\v\xfb\xa6\xe0'\xaa ": net/url: invalid control character in URL