these 4 derivations will be built:
  /nix/store/xk8hbkmmyiikwbfbii9yyr9wzbgv8pa6-etc-nix-registry.json.drv
  /nix/store/5dkvm8vkffw74z69y03x78n73r7c3xqk-etc.drv
  /nix/store/3yd02bwzzqdrbh698dxdary4q0cm7pkk-activate.drv
  /nix/store/jraivbvfivqygpvx0jckzfpi3hrkdh0j-nixos-system-tau-26.11.20260816.d16c04c.drv