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/5sfnf1dzdcshfzqs73hfip5xvwby37v6-ubuntu-22.04-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/nl172s4025p5k9qlb2vmf3b4pqfnbf8y-run-vm-vm.drv
  /nix/store/7jbfn6r00ii7mfw329pjby47z78rzc1h-driver-configuration.json.drv
  /nix/store/wlbpg5xhiww4p5md91yz81rmlykk0wkp-test-driver.drv