these 2 derivations will be built:
  /nix/store/bjxvwzz2gigi13srbqsdgwdapgqyhmm4-rootfs-debian-13.tar.drv
  /nix/store/5ra62xfwmbbs7a2vzcr1ndc6f5l2zx98-container-test-debian-13-example.drv