these 3 derivations will be built:
  /nix/store/p1b95wy6zg0nf4wy8l2zlj09nb52f2ar-home-manager-files.drv
  /nix/store/hj2xia278g1i3ds4az9j1a8wiy8xz7xb-hm-putter.json.drv
  /nix/store/82hrv5yfspmyi7g19w3pvdskmwdwqzqc-home-manager-generation.drv
building '/nix/store/p1b95wy6zg0nf4wy8l2zlj09nb52f2ar-home-manager-files.drv'
building '/nix/store/hj2xia278g1i3ds4az9j1a8wiy8xz7xb-hm-putter.json.drv'
hm-putter.json> structuredAttrs is enabled
building '/nix/store/82hrv5yfspmyi7g19w3pvdskmwdwqzqc-home-manager-generation.drv'