these 3 derivations will be built:
  /nix/store/mxg66myk8gz5fn0jmdd0c33qmy368cws-etc.drv
  /nix/store/ahphxkr620n3cxsp87skxp91iajxgwak-activate.drv
  /nix/store/y3iqb4b73qnpcg64ar2fyj9x38ycnp55-nixos-system-tau-26.11.20260823.203b7a4.drv