these 2 derivations will be built:
  /nix/store/njjlc9jclyaylz5sjh35lrsnim0mka8g-container-test-driver-0.0.1.drv
  /nix/store/ah6ac7wvlws1i9sbshnhn92xkz2w9i4r-container-test-debian-13-environment-variables.drv