these 4 derivations will be built:
  /nix/store/wkkarm0wc1y9rm11hdqkwvq9rbzx9jp4-home-manager-path.drv
  /nix/store/9502n0a6cg0dcrjddappw6ywm2pglqlx-activation-script.drv
  /nix/store/qb1maj20xbsg6jx7xp2hxwz0snz7b23m-hm-putter.json.drv
  /nix/store/iw0jrxv938zpap88fld8dzqg5c6hv5z7-home-manager-generation.drv