these 4 derivations will be built:
  /nix/store/1j2255s1s7iy5ax0b7x1yffgb2p2pz86-home-manager-files.drv
  /nix/store/0g2l11whnv43y7dj7d6qk2wdl97657i4-hm-putter.json.drv
  /nix/store/lrgfil6r4ycwcgnh18ribjczjw29w4k1-home-manager-agents.drv
  /nix/store/8c9sxflw19y02c6l5403qp3fd5b9170z-home-manager-generation.drv