these 4 derivations will be built:
  /nix/store/s414hbiclxyk3m4gacfwvph3mfb3g0ix-herdr-0.9.5.drv
  /nix/store/ra2dfxr2gfq9w89axyjk8w7cna95j16s-home-manager-path.drv
  /nix/store/lbllcgskhx7rsx2snrjw0f9pm26l6r4j-activation-script.drv
  /nix/store/iqj0lpzs79jrp56fnl9il8l9qhlq26rq-home-manager-generation.drv