these 7 derivations will be built:
  /nix/store/yyxnn2r6a509avm1svwcbd8y80k61hmq-libguestfs-1.56.2.drv
  /nix/store/7d8smqybvljcp4iad8ri1pld260bmf1v-guestfs-tools-1.52.3.drv
  /nix/store/8dhilymp1306w1xfjg8jdbbn68wi7100-ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/7bl33c4kigw03l4zkyi4f0lx6sh0xg62-run-vm-vm.drv
  /nix/store/cb4mwh3hff1xf71cz7hrsaskamg7hwfy-test-script.drv
  /nix/store/j48z9nrn0nakvwzbk1krnak2mhih1mfj-driver-configuration.json.drv
  /nix/store/dd604813cbwmapm069zmjn28z83pq8kb-vm-test-ubuntu_22_04.drv