these 4 derivations will be built:
  /nix/store/hlr9qcz1mc242b8mr5ssrdzd3g72p9yc-etc-nix-registry.json.drv
  /nix/store/w5i5f361accs5qnmbq3m5bhri3188p6p-etc.drv
  /nix/store/q9aqhzbhd43hszc6s60cp2n6ccfgqsck-activate.drv
  /nix/store/w6csvr0xsyzzs4smcjwndv3xih8a8wnv-nixos-system-tau-26.11.20261018.b5f67df.drv