these 6 derivations will be built:
  /nix/store/31nmri580nks4jdjak2w46a8wmw6gp1c-libguestfs-1.56.2.drv
  /nix/store/hc128s5gdfl0ik7xi8drjsmmk8w3vn79-guestfs-tools-1.52.3.drv
  /nix/store/zaf5lwnqr42b4h8ljhfrb9mmgwagmbvb-ubuntu-23.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/bk2rsnpngp02sjagbs1x46iv6vj9rnkg-run-vm-vm.drv
  /nix/store/6kbfxw8ldcphma1ap57p2swvsgjknh9c-driver-configuration.json.drv
  /nix/store/dspyj94qabq9vrkcvvb98q07pvdbpfhg-vm-test-ubuntu_23_04.drv