these 2 derivations will be built:
  /nix/store/njjlc9jclyaylz5sjh35lrsnim0mka8g-container-test-driver-0.0.1.drv
  /nix/store/2wxjhvf8xwa32vj5jsf1d7rq0vhnx87i-container-test-debian-13-sops-ssh-key.drv