these 3 derivations will be built:
  /nix/store/vmx1dc162swg4iqmn2ificf7nqxi97mb-etc.drv
  /nix/store/mdj2l0xkc2gd80za2ikpg14s347jzgmr-activate.drv
  /nix/store/jj7zyggh2mb9yhnsak5snahnk2yb143g-nixos-system-tau-26.11.20260920.5baae1f.drv