parse "gopher://null.host:0/Ê\xfc\xfb\x81\xc5/\xb9K;\xd0X\x00}K\xe4\u0382\x8e\x9b\xb0\xf7\xd5\xcf\xfa4u?\xe6\xce:\xbcէ\xdc\xee\xdb2\x1a\xc3\v\xc8C\xcbM\x84Y\xba\x8e\x83\xfd\xd6\xf9\xcd)01\x91=\b\x06\x86\x06\xf7\xb76re\xe0W;7\xf7K\u0088i;F|": net/url: invalid control character in URL