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/cbs8wxlrxj193fs5hrizhpmpiw5mflsd-ubuntu-23.10-server-cloudimg-amd64.img-nix-vm-test.qcow2.drv
  /nix/store/p15s7bdzqqdz49sizc4229j1911kkdvr-run-vm-vm.drv
  /nix/store/n60lm3cr5qpcjr2ix4svqy2a0i7lkyv9-driver-configuration.json.drv
  /nix/store/0mf90k9qa0dzjd3wdknkgs6wyg7qcm8f-vm-test-ubuntu_23_10.drv