parse "gopher://null.host:0/þ\x05j\xc7\xc5ʝ\xe2\xe8b/\x06?\xd1\u0379f\x82\xe0*\xe4ʘ\xb7\x04LV/\x1e\x98\v\x89\x1b\xa5": net/url: invalid control character in URL