these 3 derivations will be built:
  /nix/store/i7aiwxysk83vc8xnmqj9i9axfssixrwc-home-manager-path.drv
  /nix/store/c76a402lyywkndp4gln498dngck110aq-activation-script.drv
  /nix/store/v2dqvb53bzrzdpbgjk9mypw8jq7cr6xc-home-manager-generation.drv