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/znpy0ls3yvdbj9vaq2kxd5nnnncwn33v-ubuntu-23.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/gqs0xkcwv8jzvvpr9mbwjcyzzalgg7ix-run-vm-vm.drv
  /nix/store/rxl2lp2qp8ynd27fmday5qv7l6pbfjgy-driver-configuration.json.drv
  /nix/store/pljvvy4ps4s3s8fvrlfngf54s3vrmdgm-vm-test-ubuntu_23_04.drv