these 3 derivations will be built:
  /nix/store/39aar04i5w3b5ikijnjfcs87b3w627rx-etc.drv
  /nix/store/7yc0s8xfgb3pb5an6l17qwiinkhfhbiq-activate.drv
  /nix/store/41m6b8a06xi4561glgwvvcpxhvrslqk3-nixos-system-tau-26.11.20260708.332783a.drv