these 4 derivations will be built:
  /nix/store/zcf79x48nbcjcycg6vhgnv32bk3mqx70-etc-nix-registry.json.drv
  /nix/store/ph1blm0p22bkzxribxh1pbgv7n3xvlvd-etc.drv
  /nix/store/g5acbx6jkpjl2g4asmvyrxx9iyw3r3bi-activate.drv
  /nix/store/8mxjhsjygqj2nc0z94b1dqivhfqxcnns-nixos-system-tau-26.11.20260927.a98e471.drv