these 6 derivations will be built:
  /nix/store/yyxnn2r6a509avm1svwcbd8y80k61hmq-libguestfs-1.56.2.drv
  /nix/store/7d8smqybvljcp4iad8ri1pld260bmf1v-guestfs-tools-1.52.3.drv
  /nix/store/is9lpryfhx9pdkap1fvd3ic1ybby7cw9-ubuntu-24.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/v736ylsqz67msxr5bpgw7x8yr9v32xaw-run-vm-vm.drv
  /nix/store/vy21fssaq6q4rffdfjmjjivdjnkc5nfa-driver-configuration.json.drv
  /nix/store/8pfsvyli32i8z4b6slzbm7qws0q3dl8i-vm-test-ubuntu_24_04.drv