these 3 derivations will be built:
  /nix/store/b5lmccv1vvi5s7yxqbx7v94da2mwfqh2-source.drv
  /nix/store/gc595h0ahsmvf13j5sqh4c16liybfygh-tincd-deps-0.1.0.drv
  /nix/store/ayv8vhn83v0wlghzdml26yfxzhlwpn51-tincd-test-0.1.0.drv