these 3 derivations will be built:
  /nix/store/fv06wr4bgfijigjb3vis15v3ilng3sm3-etc.drv
  /nix/store/cpcsfmasw8hyz7fa1d11qd4cy0vq1as4-activate.drv
  /nix/store/4g8ij47aqmapjb95g7z3s8x9fnadcn30-nixos-system-tau-26.11.20260920.5baae1f.drv