these 3 derivations will be built:
  /nix/store/s2drgn1kl03j22c75m8xf3z7nrlcn9xa-home-manager-path.drv
  /nix/store/rglz9vdkj29248bdn04am0d5pmm7wrw8-activation-script.drv
  /nix/store/4ysx3498qmw1q8qf0ykaf80djy1bqvx4-home-manager-generation.drv