these 19 derivations will be built:
  /nix/store/65vcqiclxlbd7lh03wkw9qaya5s8x2p4-nix.conf.drv
  /nix/store/8xyn3d4i4prznvhjfy7l02h963bn6l86-X-Restart-Triggers-nix-daemon.drv
  /nix/store/8zswca87lvw4nxmkwiwlcsdy3skv798i-unit-nix-daemon.service.drv
  /nix/store/iq3x71gdyich0vy9iczkcf2s6cjlc196-flakelet-config.json.drv
  /nix/store/f1m98zxv7wxhi77bp3dxv5fvwykaq7hs-X-Restart-Triggers-flakelet-reconcile.drv
  /nix/store/9b8k41znmchyc7syxnsp4cdb9v80fqsr-unit-flakelet-reconcile.service.drv
  /nix/store/6nc8mffj1v1jbp97mjza5lwjx6hahxn7-system-units.drv
  /nix/store/0yfbbnl69drr08q2l1xshy0rdi1k5rk3-etc.drv
  /nix/store/lap96rh8gqh7wq5wa5xjd9fr15ai8dqa-system-units.drv
  /nix/store/pa7agfszh1bdkznsl4953rrsg4ir1wlc-etc.drv
  /nix/store/ri6xrlgris6p2k4fjqzdlldyjf2ja71z-activate.drv
  /nix/store/9jx0pbv6yckbj9p4drnz2ivmlhhymdfj-nixos-system-a-test.drv
  /nix/store/a51cssiv7i61r3q9zsrvpvf2z8a8lq30-run-a-nspawn.drv
  /nix/store/sa3iaz3mjd4fgsr5yhazpv6925jz4fy9-activate.drv
  /nix/store/lfnd2lq46jdbvdkkax740k57k3v34smg-nixos-system-b-test.drv
  /nix/store/lacds0y2zija8dd8aj1nyh65dbhmmwia-run-b-nspawn.drv
  /nix/store/85rz75459va2vcbj5qlsbbwsclihfl68-driverConfiguration.json.drv
  /nix/store/in7aq0vj7jlc4machv70nbazss4fb0c4-nixos-test-driver-flakelet-postgres-transfer.drv
  /nix/store/61ncbciv4nprg9y5gw05hv3ik4y9w82v-container-test-run-flakelet-postgres-transfer.drv