parse "gopher://\xbe4\xb2\x1f\xe0:0/\u0087]\xf5y\x1f/w\x0f77\xc4mo\xc8\x1b\x13\x88www\xf1\xf6F`1\xc02\x9e\x01xd0\x1eM\x0e\x80\xa8A\x10L@\x91": net/url: invalid control character in URL