these 2 derivations will be built:
  /nix/store/qss2v74lgwa8xxryfycbsn12dqalv022-container-test-driver-0.0.1.drv
  /nix/store/b1723ya1b1257sxkk1wjmqbz3vq7p582-container-test-debian-13-existing-files.drv