these 10 derivations will be built:
  /nix/store/6qdyqxl3z52phkf69348vxflip112wqy-nixos-system-machine2-test.drv
  /nix/store/j4gfagrkc9sz7zwzp1587pwjp913rgla-nixos-system-machine3-test.drv
  /nix/store/gpmgch5lyh97lcgzs8w4wfr1va2j42qa-closure-info.drv
  /nix/store/hvisn67s05r2d4zjjja2k41j83gpw6y5-nixos-system-machine1-test.drv
  /nix/store/jabsxj2v6ydmyraa6q81dbjmld6438bp-closure-info.drv
  /nix/store/n1816p6kim3n4l4k2lnw6mkn6frraksy-nixos-system-machine4-test.drv
  /nix/store/jbca2bpasfdmkpzamw3plyvx1mnjjxr2-closure-info.drv
  /nix/store/rj0j3z5b47k667v41h982vrwbkamk8yx-closure-info.drv
  /nix/store/rr1w9x7w0ckwazr364lzz995j76m2jsa-nixos-test-driver-syncthing-service.drv
  /nix/store/wmnrxzbh5w6sqbrinpc7i44nld0ib5qf-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