parse "gopher://null.host:0/\aG\xa4\xc5B\x85\xea)\x12l\xdc\xe2a\x05\xd0e1\xde\b\x1a\xbc\xd0o\xb7\bU\xa2s!\x9a\xe0\xcd\"\x93\x98\x02": net/url: invalid control character in URL