these 4 derivations will be built:
  /nix/store/2vza6bafnqywc8jkxig9wxhyn3pwf7vl-iets-0.2.0.drv
  /nix/store/n4fswzmcb55y3d6mp1gp9qcc5wznf8yk-home-manager-path.drv
  /nix/store/69yk296yyl3bw0yc86z48h7pinfv8ii5-activation-script.drv
  /nix/store/p9v3krb1kw15n2jv3j3w19x729haz48a-home-manager-generation.drv