parse "gopher://null.host:0/_\v\x95y\xe4\xa6km\xfc\x98\xa5\xc6\x05R\x18\xfb\xb4&'\x1e{\xfb\xea\x1a˻\xf0\x8b\xb2\xd1F\xf2": net/url: invalid control character in URL