parse "gopher://null.host:0/m\xc7)\xa1\x83\x9e_\xd0\xf3\x14\xbd\xf8\x98\u009fS8B\xe1\xfd\x14>J\xe1\xcfβ\xb9_\xa5\xf8\x17\xf4\xfc!\x15\xfaΑ": net/url: invalid control character in URL