parse "gopher://null.host:0/\x02P?\x10w\x13\xb5\xc6\xe0\\r^\xa3\f\x96x\x008\xce?\xec\xf2CTͥ\x04VS\xee\\\x19\xf2{=\u007fo\xec\x9b?`f\xbe\xd1\xc4\xf8\xb7&n}\xd67\x10Z$\xf4\xbci\xe9\u007f}£\xff\xe7\x13B\xff\xa7<\xec": net/url: invalid control character in URL