these 3 derivations will be built:
  /nix/store/4cyrbmafad3lz9wfv381jn2pirsm014n-home-manager-path.drv
  /nix/store/lnw4fbhm1lya4b3zchsw270gyjnznzbn-activation-script.drv
  /nix/store/6iwzxsvj6djij9x58lgi6ag4mc0gk5lq-home-manager-generation.drv