these 3 derivations will be built:
  /nix/store/w92258n7d91abgz57yrnljg5q7sksw4l-home-manager-path.drv
  /nix/store/f6lxnbvjmxqfznmvnwdx3dmdpk4s7fw4-activation-script.drv
  /nix/store/g0rxfdwmg56yzdsbdpnh7ddkvnx3z2jq-home-manager-generation.drv