these 20 derivations will be built:
  /nix/store/hmjpsyh9hnhzginzf0zp3s6llway8znf-etc.drv
  /nix/store/34gi47lgvlrrifkpj5ylpla0wik6jj11-activate.drv
  /nix/store/0g6jc8lcp5bnazkv83fr0xk182rzsrjw-nixos-system-machine4-test.drv
  /nix/store/7bzbpl4am2m8igwcfrf61hcsldk2l6x7-etc.drv
  /nix/store/44d5hypyzyz5nzjlc9fpvlgyqhdpzag1-activate.drv
  /nix/store/cndajqs119m053qijzzb02k26gg735ga-nixos-system-machine2-test.drv
  /nix/store/7sx95s7s2fv4cg0rax1dzalwsgqqklvi-run-machine2-nspawn.drv
  /nix/store/pn2si4q5kr35429i9qa9x09gqqzf2am1-etc.drv
  /nix/store/y40830dcv1qs8623xmfrq0jhj98b8llk-activate.drv
  /nix/store/v3papp9xf8h9fh11baarnhvf478h4gs7-nixos-system-machine3-test.drv
  /nix/store/8jfrbildpx7na6i2sqirxd64p3m2pkbv-run-machine3-nspawn.drv
  /nix/store/dwkb5yjg136a24wsx0jynfsrdpz8p19h-nixos-test-driver-1.1.drv
  /nix/store/ham8hb84nq05ygcbwjrkr3fqad16aysr-etc.drv
  /nix/store/inyqa5rm51p1w8y0c04kq2z2nc5hgjia-activate.drv
  /nix/store/k57fw8b3dr69gh09jnwk3yx48npd0xk3-nixos-system-machine1-test.drv
  /nix/store/ncn83vrdah8qq7ilpia8vp1r9p6ip9c2-run-machine1-nspawn.drv
  /nix/store/x6j8b7irmbc5a387zj9n10zpmgyq3a9b-run-machine4-nspawn.drv
  /nix/store/gwbv1b2dnq5hqxq7wm29nm8bil3b5d7n-driverConfiguration.json.drv
  /nix/store/w1bw4jpr1a8i1l4x1g9d3q46rvfq6k9g-nixos-test-driver-syncthing-service.drv
  /nix/store/giwr6v6zzy6bh4c8x4wf5ry1n3n6gwzl-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
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy