these 4 derivations will be built:
  /nix/store/2vza6bafnqywc8jkxig9wxhyn3pwf7vl-iets-0.2.0.drv
  /nix/store/m5n09hzwkg98cqz0b9vv056dyvz9ih0b-home-manager-path.drv
  /nix/store/w378m0ngg1qdwq1v7hyqg6h1jmbbx1sv-activation-script.drv
  /nix/store/fkrwxnkxh240k9iziq7igg7qvahn755n-home-manager-generation.drv