these 6 derivations will be built:
  /nix/store/2lyfdc0wc5hgfs8gcwgp4bdsa5d2zjby-nixos-system-client-test.drv
  /nix/store/k289h2d5ml1r3dq0dj4bjdvyh72fpsmy-nixos-system-server-test.drv
  /nix/store/3xw4vypbzig2ij8502bsr0k53vckqgmy-closure-info.drv
  /nix/store/4v9h65y80rd2ghf3cpm66iqxcs74wnxi-closure-info.drv
  /nix/store/5wpb4iknblg4c1kw8n9lm2k8xxn2k3y4-nixos-test-driver-admin.drv
  /nix/store/whl0agdah4yygafcxjshlnpyzlpwz1dm-container-test-run-admin.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