these 10 derivations will be built:
  /nix/store/a39m900dp7gsxvb0aphx3v8zjm6rwif4-nixos-system-machine-test.drv
  /nix/store/87cdwwm0idfb5cyixkrwc1l1hpwdnidf-nixos-system-machine-test.drv
  /nix/store/crn77njgfwbashyfqk4dgm1xn4nbmbqy-closure-info.drv
  /nix/store/rhr15xfiy494nb4wbmil27x3qmp12jys-closure-info.drv
  /nix/store/3yqhy09sk95x7v6zm5xqypxnypw8riv0-nixos-disk-image.drv
  /nix/store/fhrj2yiahlpvgy7c0m7zxvbvy827x7gb-run-nixos-vm.drv
  /nix/store/zb453s2dxgspdzfjbhcgc3a8384kz3pq-nixos-vm.drv
  /nix/store/z5fi646b89ny2d419p1grl8hj9g7xl1n-driverConfiguration.json.drv
  /nix/store/pxrir3fk3x5flr9w0yx7kvz9k4sxhgnv-nixos-test-driver-systemd-boot-specialisation.drv
  /nix/store/m4cbyydi73z9bp31vjx3lbshal4bn452-vm-test-run-systemd-boot-specialisation.drv