these 4 derivations will be built:
  /nix/store/9c7byqny42p517qz27qrl40cqbqdpbgm-nix-diff-0.1.0.drv
  /nix/store/23cg99jawrw0783y6jsvj3zkx3sbfrjg-home-manager-path.drv
  /nix/store/1ssnmiv22j52pyn90nrr9kl0vh84sgha-activation-script.drv
  /nix/store/j5lpbfms4lmr38hjkcy2j59fqrdph6ib-home-manager-generation.drv