these 12 derivations will be built:
  /nix/store/v04lyi9y11y9183xmjblvapif50353jy-stage-2-init.sh.drv
  /nix/store/09f3hv3fsibm32li07v79y91ihp351j6-nixos-system-machine1-test.drv
  /nix/store/9zh8a3wv0hx6aqz1vjiqs5103fysmn3i-nixos-system-machine2-test.drv
  /nix/store/12pkyayi8j0p655rpbkj04pkhbyc47yv-closure-info.drv
  /nix/store/3jb2vdxmxclkwznnkdqxf8080ihirg5r-nixos-system-machine3-test.drv
  /nix/store/3ldmcn6zc27fb4gssrdhv5kmyd8cn76c-closure-info.drv
  /nix/store/7j109g8vs3sacj120wrqya19c9hj3dki-nixos-system-machine4-test.drv
  /nix/store/nidbbl5djllbid4qxkc9i7lf7ach4iam-test-driver-0.0.1.drv
  /nix/store/s5lxl94l1jj80xm2397p3qg5qsyzhw9y-closure-info.drv
  /nix/store/scarfb8xhwjdc5lszjp020ky0g9f930j-closure-info.drv
  /nix/store/h53zr20lz3ci7v9mpmffx7m5fkxk1wpw-nixos-test-driver-syncthing-service.drv
  /nix/store/r1yqj673irdfbj266q04vzfj3k4wqlnz-container-test-run-syncthing-service.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
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
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy