these 4 derivations will be built:
  /nix/store/4pnyp30q204z2r4bqv8zv1wgncrg7nqf-home-manager-files.drv
  /nix/store/1sp9a7banafl1hcpjxvr78dx5qydvijn-hm-putter.json.drv
  /nix/store/sma9g371p0fc5agns4ix236532vjb9ah-home-manager-agents.drv
  /nix/store/yw5sxlaxm2167gpnrgaq2pwz79k0cwxh-home-manager-generation.drv