these 3 derivations will be built:
  /nix/store/19z2hf9z500dvicfjjark4ny26s3kcw1-home-manager-files.drv
  /nix/store/ykhi8yryl8ad1aaw26bpn5blm73vji2j-hm-putter.json.drv
  /nix/store/4ppf00w57vzax9ss45dzva4qvc4y81my-home-manager-generation.drv