these 6 derivations will be built:
  /nix/store/6658z4lsjh1vi3ldai0z7dlvpbrwzw5q-libguestfs-1.56.2.drv
  /nix/store/kp543zls1k4jwjya1f5q4pn954z7pc85-guestfs-tools-1.52.3.drv
  /nix/store/3ia9kqd52nmhbcdk5i95nnpccz93jkvl-ubuntu-23.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/qy8zlwnc22b1jp7i67r70bzwx96az03c-run-vm-vm.drv
  /nix/store/65hm88bprjxnbcvslpwjc7k871vjdwx7-driver-configuration.json.drv
  /nix/store/05iwd9hmazh1ijqjvz34awvxsk1vmxpp-vm-test-ubuntu_23_04.drv