these 10 derivations will be built:
  /nix/store/9c6v0p5g5zfvxv3w56d48grapvaqqal6-etc-machine-id.drv
  /nix/store/db9ickdjhlp1mn5k2sb4cjxk6cfxyp90-fontconfig-etc.drv
  /nix/store/nqn1v297w8kgdvrg1v4fpdhv9i6hgkh6-generator-machine-id.drv
  /nix/store/fjpw1vpgyl8h8bgkp3ayhpcg2bdkf4cz-vars-check-service-machine-id.drv
  /nix/store/qhn8z62pm2zd5yd10mil168q1qkjwray-etc.drv
  /nix/store/yrgv34qq1chq5d68lyc88yaf3jk26rv8-activate.drv
  /nix/store/gvg9qky91nkq1f06xv63kaj7j9r9ll8w-nixos-system-server-test.drv
  /nix/store/4lv5qy11cv2zx5v6jlmgjy2pwl3qq4lc-closure-info.drv
  /nix/store/rr73avxy116qb1m4k5yvshq48a4llkik-nixos-test-driver-service-machine-id.drv
  /nix/store/ys4hi4mvqzgby3prh70sdp8psd0d7c50-container-test-run-service-machine-id.drv
these 2 paths will be fetched (1.3 KiB download, 9.6 KiB unpacked):
  /nix/store/s1wj0b1gybm1v3w8sxbr139p4g42gw79-fc-00-nixos-cache.conf
  /nix/store/dm5iw56fha7568kaypnn64s1bwdgcyxd-fontconfig-conf
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy