these 4 derivations will be built:
  /nix/store/bs16qk7lm0yh6xnyzlslzz1bbnhff89d-home-manager-files.drv
  /nix/store/gxqksipyhhb4pcg9pdv7yrqcck6q9s6s-activation-script.drv
  /nix/store/m6mm057ay5l2g109b36m7m15kz12rwbd-hm-putter.json.drv
  /nix/store/wq8x55laz8gg59i1qh0pfp3nx37rl4gv-home-manager-generation.drv