these 2 derivations will be built:
  /nix/store/vmrnfi52ydhg08d1bsp8fq1xkdrlq9ny-rootfs-ubuntu-22_04.tar.drv
  /nix/store/a7bl3mbhgxdd0464kb4jxq04yhlzfzdr-container-test-ubuntu-22-04-empty-config.drv