these 4 derivations will be built:
  /nix/store/4gfp6c7l1zx4jc09jgd14cs025rva8bi-etc-nix-registry.json.drv
  /nix/store/myzph4jlymv8dg2v2hm7ah5q41w8nbhr-etc.drv
  /nix/store/5vpwk4vqpgw8xynjgjlawm9afcna2f6k-activate.drv
  /nix/store/gggzz97bi1y327i9ziwr4ap9jnn8k6d0-nixos-system-tau-26.11.20260816.d16c04c.drv