Imagebuilder for x86 not working?

I've followed the setup instructions on the wiki, yet when I try to build a profile I get 'not found' and listing all profiles shows none!?

   # make info
    Current Target: "x86 (x86_64)"
    Default Packages: base-files libc libgcc busybox dropbear mtd uci opkg netifd fstools uclient-fetch logd partx-utils mkf2fs e2fsprogs kmod-button-hotplug kmod-e1000e kmod-e1000 kmod-r8169 kmod-igb dnsmasq iptables ip6tables ppp ppp-mod-pppoe firewall odhcpd odhcp6c
    Available Profiles:

    #

Using image builder from here: https://downloads.lede-project.org/releases/17.01.1/targets/x86/64/lede-imagebuilder-17.01.1-x86-64.Linux-x86_64.tar.xz