these 6 derivations will be built:
  /nix/store/31nmri580nks4jdjak2w46a8wmw6gp1c-libguestfs-1.56.2.drv
  /nix/store/hc128s5gdfl0ik7xi8drjsmmk8w3vn79-guestfs-tools-1.52.3.drv
  /nix/store/908ghbfx4hyavd8das5pa876d9pq3kzl-ubuntu-23.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/lmbic8zf64vlnr0pjdj5c55fndh6plpl-run-vm-vm.drv
  /nix/store/lqhwgg7whazc0gfvp4j6dlch3929szp8-driver-configuration.json.drv
  /nix/store/9k4zwj6w74lj10nhjvgg6z5v1jzbfiwg-vm-test-ubuntu_23_04.drv