these 5 derivations will be built:
  /nix/store/7d8smqybvljcp4iad8ri1pld260bmf1v-guestfs-tools-1.52.3.drv
  /nix/store/8mn60fzjgnsp9lk1s92z8m6wyi0wxygb-ubuntu-26.04-server-cloudimg-amd64v3.img-nix-vm-test.qcow2.drv
  /nix/store/7a7xd42hy49q8xz6p2n0wcqdyj7xl5j8-run-vm-vm.drv
  /nix/store/hsysq39xk6r1sc16s57nyfkk4yygb5hs-driver-configuration.json.drv
  /nix/store/d422yd4nn8hxsz94dqkq0nmq0h33srsx-vm-test-ubuntu_26_04.drv