parse "gopher://S\xb4\x11\xd0\xd9o\xfb\xcf\x03\xbeg\xc7\xfa\x95\xa7\xf4~\xd7iZ\xb7\x8d\xfboj\xcax;=\xf9\xe4\x1a\xb3M\xb6\xdb\x1b\xc0>c\x15\xd9\xf8/": net/url: invalid control character in URL