these 4 derivations will be built:
  /nix/store/z542zp51cldf1rssmj3l14m7y5qimcg5-system-manager.drv
  /nix/store/3qb180dvl52sar014khayqhgsvv1z7rd-closure-info.drv
  /nix/store/jcdmc2x0m8chq5h5i46qw8ia2ka6gg3n-test-script.py.drv
  /nix/store/6sbnrar6087hpcc7nk0ghjvkk5ppvglq-container-test-debian-13-empty-config.drv