these 11 derivations will be built:
  /nix/store/jig6j4ldb4264ik5awwngnd4km81bvxv-unit-echo.service.drv
  /nix/store/7kbnrw479khvqy1qy6850yc106039shf-system-units.drv
  /nix/store/5cpmff312s2ylhm7jd7zz8398hb2diwh-etc.drv
  /nix/store/yzx3204raqxpnn0mzlayp261a1m2ci0m-activate.drv
  /nix/store/kgykkz1jnmpjcynizhrj8hrxpfg2nb02-nixos-system-machine-test.drv
  /nix/store/5v3w5jh8bifljcl3gai7f5zay40lqj95-closure-info.drv
  /nix/store/367zh3pr93f8khhh23x5k3j2141wvw18-run-nixos-vm.drv
  /nix/store/g53dqwn5948d2y854k8ajdr04k095ack-nixos-vm.drv
  /nix/store/dv6pzyw9nbfay9picwd8mqi3b03fcyj6-driverConfiguration.json.drv
  /nix/store/ccckrazi7axwy5a121wf1mci5gm80fy8-nixos-test-driver-systemd-escaping.drv
  /nix/store/nmhnvgc1nf53n6prlr6j1lzjrnfx4z2b-vm-test-run-systemd-escaping.drv