these 3 derivations will be built:
  /nix/store/j9sgxgz9p36zrii6zw75ar7pw9pm7bwk-home-manager-path.drv
  /nix/store/ci7xqwq383d43hx6s8k6ycqc5wdw9cix-activation-script.drv
  /nix/store/8ryp13ks1ifghwibxh54bmx07sqf8sn2-home-manager-generation.drv