these 4 derivations will be built:
  /nix/store/lj4pgyfilf90pp42na6rmgm0c281mpzb-nix-tree-0.1.0.drv
  /nix/store/i7liqcsmycrb31jj346983zjb38hiqhz-home-manager-path.drv
  /nix/store/nqj0h7z7zjsr93slndfal9bck6a5x3ga-activation-script.drv
  /nix/store/c7gf4c6j7mgdnaf69xkwxy97qp17dayb-home-manager-generation.drv