these 4 derivations will be built:
  /nix/store/3s3k23bg6g6gmg1bqw73759dv7hqgcf2-system-manager.drv
  /nix/store/iki30jyg81w76d0r4z36jms3jxw43vka-closure-info.drv
  /nix/store/vjbilj7xvh3wkq8j6z5ic4x336j50p1n-test-script.py.drv
  /nix/store/l3g6zp83ccfdm0k1s6dnnaaxh0lksijn-container-test-debian-13-existing-files.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy