these 3 derivations will be built:
  /nix/store/apgycbfbpc4jral5y0nr4jvcpyb6ycya-home-manager-path.drv
  /nix/store/gzac5v7dq7dbm0rc2rh1fi9q6qpvx4wf-activation-script.drv
  /nix/store/8vd08cj6hwbx4zlr1jbpzn05fdfp1cd1-home-manager-generation.drv