these 3 derivations will be built:
  /nix/store/hf98wbn6wfjwc5kf8p0vjymk4a54k7dk-home-manager-path.drv
  /nix/store/d2a8ggghjpyh19f2snrczn8iivm0mnj0-activation-script.drv
  /nix/store/diqywdlfacrbvzfmr72bdr5wcfv96nmk-home-manager-generation.drv