these 10 derivations will be built:
  /nix/store/6gy3053vqzwwad0jrx1s73h6fw20mqw3-system-units.drv
  /nix/store/m5rjln8m3iawhgijy0r88q0ziq9p2h2l-etc.drv
  /nix/store/6kv01d5md6zfh2776y2q2vs30y9s2bji-activate.drv
  /nix/store/hykr71kf4nljycbcbn05ylapbxwvhrnk-nixos-system-lb-test.drv
  /nix/store/y9f38s6j1z8x13i69mhhf827wpx1awp4-closure-info.drv
  /nix/store/2q3rcpzm70rbx1xpri5xjdan2avpfx4g-run-nixos-vm.drv
  /nix/store/8wa6fiwq9dicsgczvv1nkngghjmzqbnw-nixos-vm.drv
  /nix/store/knx8pyjhy78hccx9jfkn4lryajp3bbc6-driverConfiguration.json.drv
  /nix/store/d0v5yk2jzjc87wbw3z16jxmbl6shhcv0-nixos-test-driver-nix-grpc-farm.drv
  /nix/store/y6lnjwj352ih6w59shgklwahnjd03gjj-vm-test-run-nix-grpc-farm.drv