these 13 derivations will be built:
  /nix/store/6v4847mck3nb5wfyav5fpf37vg6r5135-unit-dbus-broker.service.drv
  /nix/store/397d0cghxv1x3sfsvrahl94d6m3b2wr9-system-units.drv
  /nix/store/c1kb7k1bbgcnqrky8nky4c9w9x2l59np-unit-dbus-broker.service.drv
  /nix/store/q6896nkfdsvmhj7l5lripr0v6fbpsdwr-user-units.drv
  /nix/store/13k808x7w469vxbzrbmlyr4l3a38hlj7-etc.drv
  /nix/store/3h6mw8qxk6d2xjf9bckbkn69hrazqvi6-activate.drv
  /nix/store/iqw5c4zwgk8c259c9z1ka7rvqq4saiwy-nixos-system-alpha-test.drv
  /nix/store/pnkaj6xs3calcbp5513bjm5823l83mfb-closure-info.drv
  /nix/store/rabhyrc1nnbhrwr5h3f922plcfwqdjbq-run-nixos-vm.drv
  /nix/store/9x4pxvj81h0mhv2zs82g53hg7gd29s4l-nixos-vm.drv
  /nix/store/8n08pmn8d8s475g38gsh503p0s3vakxz-driverConfiguration.json.drv
  /nix/store/lmp13gk3sy7xz6g3llpmacsmdkg9s24j-nixos-test-driver-tincd-nixos-crossimpl.drv
  /nix/store/86xbjg6p3k1magprka61bhlpigmv4why-vm-test-run-tincd-nixos-crossimpl.drv