parse "gopher://null.host:0/\u0080\v\xb2m^H\xdc!\x84\xc3~\x14\xe5w7\xe7\xcc}\xc7°v\xa5h\x0f\xcfa\xd7X\xad\xf1k\xd8\xedl\xb5\x12\x14\xb7®\xb4\xdf9Wz\xe4\xc8S\x92\x8b*V\x98\x8cU\xb9\xb3": net/url: invalid control character in URL