these 16 derivations will be built:
  /nix/store/jkdry71n7v8hzlvx1h7by24j97csz286-firewall-start.drv
  /nix/store/911yfz3l1skp4mkhwb7ak6zrjkagzxvf-firewall-reload.drv
  /nix/store/3plf54xmk0hazz39scl1c86nqj2iy2s4-unit-firewall.service.drv
  /nix/store/9q04hjy1j3l88yw99nvs2z9l754rxh7r-unit-dbus-broker.service.drv
  /nix/store/4vndfyhs5pfc7d1nh5ryv1llnpr30pvg-system-units.drv
  /nix/store/69x86zhp3r28qyffnvxbsb62pgrffrmq-system-units.drv
  /nix/store/772yicf9z8g1k3vyvx3imh3qy6yhgra0-etc.drv
  /nix/store/8c176ixz0zhydny15kmrnjrr7gb7lh07-activate.drv
  /nix/store/m07rk8f6kbnqwdp5ysf4lamipx1xsdib-nixos-system-client-test.drv
  /nix/store/a3cfspbvwai2i77qa5hfqgfm02qj926v-closure-info.drv
  /nix/store/fr1g00slmx754iriqia3jj4a3pii0w8s-etc.drv
  /nix/store/ilsv0plvd3y6nhk5yh3sxvq1rmqka79p-activate.drv
  /nix/store/lndq9m5g2gxfc81f756qvr582nymlm31-nixos-system-server-test.drv
  /nix/store/nfdifnwnkdgxa20sv9gllsms4rswwlvf-closure-info.drv
  /nix/store/7wnsch76mq6wd7kaq0x8xi2hmfrcmkfl-nixos-test-driver-sshd.drv
  /nix/store/d4mk07f5y6brd3dpmrnqzwypavwfxk13-container-test-run-sshd.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy