these 4 derivations will be built:
  /nix/store/0y7pznik4qdhjjavvwmv2mdz1hxyjbiv-home-manager-files.drv
  /nix/store/619sllzyhgbrf0s46acib894lq03fv1k-hm-putter.json.drv
  /nix/store/hqkkammj9v7ylwq5d3j47kq7prlz2095-home-manager-agents.drv
  /nix/store/4qrmnx8z6n5jj5dv1bmkv0a62aq5gj77-home-manager-generation.drv