these 3 derivations will be built:
  /nix/store/rcaqgnc4i8ynci0hhvb3s5nmmrmsrrf4-etc.drv
  /nix/store/b7asqjb9f5ddp9h6yjfcpqca2s9g9dmx-activate.drv
  /nix/store/fqri9snzb4z3d77qrm7bqdb3bk1qa3w8-nixos-system-tau-26.11.20261018.b5f67df.drv