these 7 derivations will be built:
  /nix/store/x36r2z9ncrha0r9hfzpxvdd0r1l1n6nc-system-units.drv
  /nix/store/a5689q464a18kha058flmljgc962dcj6-etc.drv
  /nix/store/mfmb584vkjg3695yrzxpjhn6k9yspysh-activate.drv
  /nix/store/w0bzxp72gfygpjv7823pjyacmla079c1-nixos-system-server-test.drv
  /nix/store/qp3hs8y5g722ka6jlycnkmsj2xn46j8z-closure-info.drv
  /nix/store/y1f2lsshf8g0g41sr1kyf4s550q82pvr-nixos-test-driver-trusted-nix-caches.drv
  /nix/store/174izl6ym0ci5f43pzkxzpp3qd3r6vbi-container-test-run-trusted-nix-caches.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