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/7am8qldh8qnbp9qb5ihz8qy1c71bl77n-ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/g2w45qq3nxhga1yw441lflarh47c5a91-run-vm-vm.drv
  /nix/store/kfj9k1n2qgrjq0jbbkc5qw88df8cnms8-driver-configuration.json.drv
  /nix/store/6b43hjm7nzlapsb5fl352vvc71zdj0j5-vm-test-ubuntu_22_04.drv