these 4 derivations will be built:
  /nix/store/mg3lpgr7ynx2wjb81cyfiwbv8cas2b1f-system-manager.drv
  /nix/store/601jz127hnkz4qkb0k790ldzbhz3b5h6-closure-info.drv
  /nix/store/zkgxkxwsw6b7jsvjk2bspd0k308yyd7r-test-script.py.drv
  /nix/store/yn7206p1bb18m88j2ihvqs74sg744pcg-container-test-debian-13-existing-files.drv