unpacking 'https://github.com/NixOS/nixpkgs/archive/c27cdad491a991b11ed731760aa2ef8db0cb0410.tar.gz' into the Git cache... this derivation will be built: /nix/store/7z86b2xqx5w7fabya2b9lyvfwgyn9g5r-bcachefs-module-7.2.10+deb14-cloud-amd64.drv building '/nix/store/7z86b2xqx5w7fabya2b9lyvfwgyn9g5r-bcachefs-module-7.2.10+deb14-cloud-amd64.drv'...