these 3 derivations will be built:
  /nix/store/dpj4s4fqw8fp3ax2nzs2bygb0m33d7nn-home-manager-path.drv
  /nix/store/n9avzc5539kj80ccbjm9yyj3vbx30m1l-activation-script.drv
  /nix/store/6j33hmmls0kb948nhr49jarkjn6d0lsq-home-manager-generation.drv