these 20 derivations will be built:
  /nix/store/jrc3lb85xa0yvmhgwxgv8cp56zhcaxbc-system-path.drv
  /nix/store/9x6hq1i9dbln4zxrl8g773f38bwxhcg0-dbus-1.drv
  /nix/store/bii6dja8z9ilb0kvjxfj93py8sxc6712-nspawn-units.drv
  /nix/store/2jxw1lji8wlrs94nscq9q21mk686iqzl-X-Restart-Triggers-dbus-broker.drv
  /nix/store/bkphwpkzmbw3v809a9p8vxdhviw8ryal-unit-dbus-broker.service.drv
  /nix/store/mx8lhmj1qnd735b00jzbhfjda3mnszy2-user-units.drv
  /nix/store/psh6mymc1cfsn21ivmkmrsnff02xjb82-tmpfiles.d.drv
  /nix/store/k21phanqljn04axazdb65fhnga1k5vna-X-Restart-Triggers-systemd-tmpfiles-resetup.drv
  /nix/store/47ngssq5n4x4b2lkfmsawv4k6wk654gc-unit-systemd-tmpfiles-resetup.service.drv
  /nix/store/sjnihzdwfx3kcb9mz8hgwpsiibzlb1y5-unit-dbus-broker.service.drv
  /nix/store/vz98qgyn65d5njbabhmzmzq8vakfx4gr-system-units.drv
  /nix/store/akx15b397znppzchrwnal95rycpaxhka-etc.drv
  /nix/store/mr2z00p36kf53wf146lwwq1xr1w5jiix-activate.drv
  /nix/store/is6jqsbpy7zsg2sj53czay470r87qkkj-nixos-system-server-test.drv
  /nix/store/gx1h3vr9mbln06llybyplkcnrhsqgbqw-closure-info.drv
  /nix/store/zk23dppsdp2n7f013c69fxv5ykyli3i7-run-nixos-vm.drv
  /nix/store/1j3kaiyii6d9m7m4xbk5vqxs0h3xpyzq-nixos-vm.drv
  /nix/store/rhx0n41ahv7wcig9b7pylfsg2y50shpd-driverConfiguration.json.drv
  /nix/store/k01j6j9sny8n0gm3mq1vvzkzlzcv9jds-nixos-test-driver-nspawn.drv
  /nix/store/kc170yr3c3mph2ss4vk6aybxhr9h0w0z-vm-test-run-nspawn.drv