these 21 derivations will be built:
  /nix/store/jkc6wl5kqzl3x4l2lb3dvmfxvik8j6k7-flakelet-config.json.drv
  /nix/store/z2703lcgn2i6k0bg0qhv2p50z9rrxhav-X-Restart-Triggers-flakelet-reconcile.drv
  /nix/store/b0v99171a2fbbrrsz6c16w4c8qv0d994-unit-flakelet-reconcile.service.drv
  /nix/store/kqy3s6pc5xmrriy0hy9h0nc25zjfs14g-unit-flakelet-web.service.drv
  /nix/store/6pgx7l2pjzc3xgr4lm04naynf7syjyin-system-units.drv
  /nix/store/r4svbqh2slxpdjqhzrr795yv98q3xq9p-etc.drv
  /nix/store/kv8kwpdw915pgzsmxyp6z7wgy97hv08z-activate.drv
  /nix/store/35bqk90n71wrrgjvyy4s29w11ljmwvpp-nixos-system-b-test.drv
  /nix/store/nldnv5x6sywzpyy7iqq25hzidviwi4br-closure-info.drv
  /nix/store/36fpdnfms6zsi54zyr6cfr7rj2il5ini-run-nixos-vm.drv
  /nix/store/9g698ggam2rs06q7dq7i3ya04c3c7s6d-nixos-vm.drv
  /nix/store/wdv00c643icmwwkqirj037r44a2z4bv3-system-units.drv
  /nix/store/8svg099dfk936ny9vg82nh4mp3fzgspk-etc.drv
  /nix/store/fmjg8sfj58k8q7k01hxxyzbfp463s9ks-activate.drv
  /nix/store/ymma87bnc3b035229m4nvz355d7ra36r-nixos-system-a-test.drv
  /nix/store/904s8dbnpizapwffvszdzq85sqr6kw1p-closure-info.drv
  /nix/store/a72vg09flic2vsxz63y78fa0rr5zx5kg-run-nixos-vm.drv
  /nix/store/w17klcmib60vgxv8gcqg8fczdnxb4dkv-nixos-vm.drv
  /nix/store/8736w7wlbg4nm6askkg8ipcwlh1hj0km-driverConfiguration.json.drv
  /nix/store/iyywxqn40d1ab2yrlg1jg6rn106fvcg9-nixos-test-driver-flakelet-transfer.drv
  /nix/store/k470cihhdnm49h4xlvr1lia0z4gd2ryc-vm-test-run-flakelet-transfer.drv