these 7 derivations will be built:
  /nix/store/l6r2993m9inwll4qwpnpxcx700q5885z-vars-check-service-state-version.drv
  /nix/store/ll3il8iggga86s7761fb82f9b2c0glbz-etc.drv
  /nix/store/grn5j3yvqxm3d97wim7libplfaf50ris-activate.drv
  /nix/store/vk1069nqs3v73yfkjz2lg742s1ss2ghm-nixos-system-server-test.drv
  /nix/store/v509dfxvpcgdk98sz9hg9sy1pq4jzdb4-closure-info.drv
  /nix/store/74v5lpdcv80axwdpmi2py2xf3fvgd3bx-nixos-test-driver-service-state-version.drv
  /nix/store/vl1lql54hzgn2h7zdw9mxvffwpazjh4w-container-test-run-service-state-version.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