these 2 derivations will be built:
  /nix/store/y0aq6l1mlz6m4ihdwi368vgixnym46ys-rootfs-ubuntu-26_04.drv
  /nix/store/1vp49ams20xjwlw9i0i42cq29z0q10f5-container-test-ubuntu-26-04-empty-config.drv