these 3 derivations will be built:
  /nix/store/yzls7l2amgm408irkxsfm3yzsv33xh1z-home-manager-path.drv
  /nix/store/y8f3c72cknnnb9ing01macmcai4v0x0v-activation-script.drv
  /nix/store/bxjh8hh5ng8x9nfs4brkwym7pv946qk4-home-manager-generation.drv