unpacking 'https://github.com/NixOS/nixpkgs/archive/35d3407a3816f3b341d8cf1d60abaf2b7b8166ac.tar.gz' into the Git cache...
this derivation will be built:
  /nix/store/crv3c0d329h7lnhfrnsfsyd39ywy7kvq-bcachefs-module-7.2.9+deb14-rt-amd64.drv
building '/nix/store/crv3c0d329h7lnhfrnsfsyd39ywy7kvq-bcachefs-module-7.2.9+deb14-rt-amd64.drv'...