these 4 derivations will be built:
  /nix/store/v975n2xc97fbl6w7a2ghg7wz6nxfg3z3-home-manager-path.drv
  /nix/store/0k5cin9dww1bv00zxx3icy4b0rfhmvdc-activation-script.drv
  /nix/store/s3cg1k0d3wj45s2g0z5xx2wdy8kwzb3x-hm-putter.json.drv
  /nix/store/0sgvpxvcd9zxzyjczz4mb2619l9xg9fc-home-manager-generation.drv