these 3 derivations will be built:
  /nix/store/gc6hdlwi6c0l0r5n4xpmhkw7cw89qb0p-home-manager-path.drv
  /nix/store/djkz00m2lhv8ysph48k3cpzrdhj7jvs6-activation-script.drv
  /nix/store/d399swvlyw3cc4y5fd7vjny9vkvz8ykx-home-manager-generation.drv