these 11 derivations will be built:
  /nix/store/kvq99j2a24lbv63aq5bnsjli9ks39qhw-unit-echo.service.drv
  /nix/store/jfflb4idk7vvnisg553j36smkjrqxbfz-system-units.drv
  /nix/store/z5ypn005ca3cb3k6fdrmxwl399vfx169-etc.drv
  /nix/store/3iflh0xh1x9j2dma64kqn8nawbbihhzv-activate.drv
  /nix/store/grfv7hbqx5gf4b79mnpbi7il29kndsc0-nixos-system-machine-test.drv
  /nix/store/vplnqb4xz0cgxg2qp2qnp8lk1zs042bv-closure-info.drv
  /nix/store/rp7ynni902s2w5p7pzx8dm0gm64rnz2b-run-nixos-vm.drv
  /nix/store/n5k57my668rszigyv53zy8jr1r6lkmn4-nixos-vm.drv
  /nix/store/xg4qqajwhqcdb47dkrkvzlp97rlj4x4v-driverConfiguration.json.drv
  /nix/store/vbvjxg2ibmx076w2628alwki3a4n8hxd-nixos-test-driver-systemd-escaping.drv
  /nix/store/j02il5nfvjiarv40phy4sw6hkz9c1jg9-vm-test-run-systemd-escaping.drv