these 3 derivations will be built:
  /nix/store/rc7jxcd7v5plnq7gpsmvigvlkvg4pbfs-home-manager-path.drv
  /nix/store/32i6if3s52jh8bvycv5dj9rqpqxfbw0s-activation-script.drv
  /nix/store/15drz087p6q89qr0qfxk1xaxp7mzia8n-home-manager-generation.drv