these 2 derivations will be built:
  /nix/store/r5s2ij9wgxi7vhf3nrgb4d1mvnb57i4n-container-test-driver-0.0.1.drv
  /nix/store/1qs71fq9dmr1vb664s1s9mnqh57pzmi5-container-test-debian-13-existing-files.drv