these 3 derivations will be built:
  /nix/store/k2yfx7ci2qcipg5r9dvqn9qsjh1h5qhl-etc.drv
  /nix/store/qnbnp63q85dsk5fmjxgvc9r182i7svx5-activate.drv
  /nix/store/s3k2n7ln7i1c3zvwbxnnppf003y8rkak-nixos-system-tau-26.11.20260927.a98e471.drv