these 6 derivations will be built:
  /nix/store/76ai2qxwlhy8cccfzmy9ck7sgi2cx5vw-nixos-system-router-test.drv
  /nix/store/1n5fw30198r5b3bwhw7v511a5hm7lsbz-closure-info.drv
  /nix/store/p0iznp1mjykpxyppwj4lzidlp3dvrpal-nixos-system-machine-test.drv
  /nix/store/sz9pl2wf4kg32wnjs2mjmj3abp5lxk7a-closure-info.drv
  /nix/store/a0l1kghbzn6nrvbvb0ys508isfh64knh-nixos-test-driver-user-firewall-nftables.drv
  /nix/store/fh36hkv95xs34zmjskznwxba54hcxb40-container-test-run-user-firewall-nftables.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy