these 3 derivations will be built:
  /nix/store/3pim518zcchzbbj4j7v6r5kq4cmz1xh5-home-manager-path.drv
  /nix/store/mfr6dx443flxcdj0rs5yz0ial9pni5n1-activation-script.drv
  /nix/store/k5gsc3wny89374za1f1m662mlv45wg70-home-manager-generation.drv