these 11 derivations will be built:
  /nix/store/m68p2l2x57r5pah9xcg5kgamr6lvla57-unit-echo.service.drv
  /nix/store/vw78l77dnlfq2xvp1lx1vif6aclyb3da-system-units.drv
  /nix/store/cssiq3asjwpnh4k4snnj7l9mjzdzimgy-etc.drv
  /nix/store/8l05x9y0vlalggc6dg1djcqs5fqf4qph-activate.drv
  /nix/store/1kza7ldp2nq117hfacp9gr2pfx6c0pxg-nixos-system-machine-test.drv
  /nix/store/xn00q6rw6v6i03mv36fiiis7k3qspxd3-closure-info.drv
  /nix/store/vi4szcxf6c3xrhc9iphl2cpsh2sdlppb-run-nixos-vm.drv
  /nix/store/ybrwgi8i9xr93isdpdkksyw9c27bvksj-nixos-vm.drv
  /nix/store/jyhlgkfbf0baqga243ipjbgg48nc961s-driverConfiguration.json.drv
  /nix/store/9m6axs1l59l7a3lwmwlnn7l37ps8w0vs-nixos-test-driver-systemd-escaping.drv
  /nix/store/zxvhwww0l9idfxsf538w8q7xniv83m85-vm-test-run-systemd-escaping.drv