parse "gopher://null.host:0/û;\xa5\xc0\x89\xb8\x18\xbfH\xbc\"\x9e\xedF\xcb\x14A\x19[\v\x94\x1d\xa7h\xe9\x1a|4\xd9\xe9(\xa6\x14t\xb3\"gF 4\x905\u007f5\xe1\xd2\x10\x1ev\x93E\xdd\v\x00\x8b\x9b6\x12\x06\x87\x02\xed\x00M\a\v\x05\xc5\xfa\x8c\xe4=\xd27\xcd\f\xe5\xf0i\x81o": net/url: invalid control character in URL