parse "gopher://null.host:0/Ff\xbf\xe5\xd8\xcf\xee\x9bP\x04\x90X\xb8\xfb\x86\x8c\x9a\xfa\x94h\xdf\xdd_\xe7\xb6A\xd9 [\x05\xdc\xef\x9fI\xcb": net/url: invalid control character in URL