parse "gopher://\xb2j_\xb8\x1d\xd0fp>y\xba:0/øH[)\xf9\u009d\x92~\xbe\x82\"\xb3\xc8$\x17\x99\xf4g\x17u\xa2\xbd\xf5Z\xe9": net/url: invalid control character in URL