these 6 derivations will be built:
  /nix/store/znfyvgcw02bbsdjyskbj641aj628h913-libguestfs-1.56.2.drv
  /nix/store/5d284xrsa8mp0gwhg7zq8kncnckjmp2a-guestfs-tools-1.52.3.drv
  /nix/store/cjg4rjxb0kx8v2akgj0b27hiz70hwhg5-ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/myp2hnwk7xzdpzbxr8cv7ildj9ylwnwl-run-vm-vm.drv
  /nix/store/3hqs0nrhh2c394p3pmf7q53q8n7115ka-driver-configuration.json.drv
  /nix/store/nngy9xqpr09lrxsjvagq2p8maqkqnp8x-test-driver.drv
these 3 paths will be fetched (216.5 MiB download, 1.0 GiB unpacked):
  /nix/store/ij2agn91lfs0cwpk0zw1lwjy9wswmwgm-libvirt-12.7.0
  /nix/store/6smw4c3c4kah11zsqhjcwhginaixvfr5-ocaml-libvirt-0.6.1.5
  /nix/store/y5lw20ymidqg7x3q6f23vkf734id7fmr-qemu-11.1.1