these 2 derivations will be built:
  /nix/store/hqmgivi8kqs2g1pivqaffcldfk2d9bz2-rootfs-ubuntu-24_04.tar.drv
  /nix/store/6qn4kg86mmsp4ff6d6bqkkn4685sbrbh-container-test-ubuntu-24-04-existing-files.drv