these 4 derivations will be built:
  /nix/store/16xcw3qr49dib79jyy9pmxj9797r4ci6-system-manager.drv
  /nix/store/cisc9wv9bmh269hq55a1vnmiqkiclhcx-test-script.py.drv
  /nix/store/qyqyw4ah8i8dyfjsmjdbyw58wfizbdkx-closure-info.drv
  /nix/store/hmrilhymqp7s8778xz8dcqlq1bga26c0-container-test-debian-13-existing-files.drv