these 3 derivations will be built:
  /nix/store/6f0x91dp7xk3xnds1mihv9b43j5yl9sj-home-manager-path.drv
  /nix/store/vh0isrx1ph8f4kb2vzxj83wp6zz1k5ha-activation-script.drv
  /nix/store/b1svsbah072mvgm5l9p73xjncilbl43n-home-manager-generation.drv