these 3 derivations will be built:
  /nix/store/qf7gjaq0vkqnzx7xf1askwxfys0nlp3k-etc.drv
  /nix/store/qpdc87zfqc6m7mkqh9l376ns1b4bd8al-activate.drv
  /nix/store/3wy2gjc0srmd4gm4jnhsglwcmgmx2w6m-nixos-system-tau-26.11.20260927.a98e471.drv