parse "gopher://null.host:0/\x1b\x8b\x161\xd0\xd0\xe4\xa4\x18$\x18R\xb4\b-\x8d~:\xa6\xd6\xfdQ\x9bT9\x93\xe7]\x82fZ\x15A\xf0\xcf?D\xf4\xe3g\xeb\xa6KXPdy[\rN3du\x92߶E\\y\x86Ss]ppؕ\xd9yR\xfc7\x8a\xdb-g\xe8\xc8PJA\xf6\x8a\xe9\x12\xd6\xd9(\x1d\x9a!\x90e\x10\x88S\b\xc4bn\xa4$\f0\xae\x06xx6\xa3\x96\x0eT\x82": net/url: invalid control character in URL