unpacking 'https://github.com/NixOS/nixpkgs/archive/3d46470bb3030020f7e1361f33514854f5bfa86d.tar.gz' into the Git cache...
these 3 derivations will be built:
  /nix/store/4v5jskw8f4pkln80r47d822xfgp0d1za-rust-bindgen-unwrapped-0.72.1.drv
  /nix/store/bn3qx12x7yv9cj42mv7bp60aq193c953-rust-bindgen-0.72.1.drv
  /nix/store/8q3iwfygndbfjjzb62x5qygwdz0jmlbl-bcachefs-module-6.18.38-1-lts.drv
these 9 paths will be fetched (560.23 MiB download, 2516.73 MiB unpacked):
  /nix/store/a52p6ml86agl0zzq404j57c8nzhc8d88-clang-22.1.8
  /nix/store/fkpqai4h165xiv0n0ky9wcmrq517vijw-clang-22.1.8-lib
  /nix/store/5k3whqjzsr9qj51hb9b23jdn6p9nhwlp-clang-wrapper-22.1.8
  /nix/store/hkldzpgigap7kkqzdr5j4qqyy5ac4l6x-gcc-16.1.0
  /nix/store/0kywpmx5r4mbk00d6b3rkwq121d6qfz2-gcc-wrapper-16.1.0
  /nix/store/q78ww39p0v5y4sjj2idpp7xlpr0s9q7z-linux-6.18.36-dev
  /nix/store/xlbyq2k7xi205dhsq95l8qbgnsnpnjsi-llvm-22.1.8-lib
  /nix/store/kskx26b8ppfvvz6xjf411q6kd1s7sfq3-rust-bindgen-unwrapped-0.72.1-vendor
  /nix/store/wiql77kkfgdyyprr4ji67ly2i55mwmys-stdenv-linux
copying path '/nix/store/q78ww39p0v5y4sjj2idpp7xlpr0s9q7z-linux-6.18.36-dev' from 'https://cache.nixos.org'...
copying path '/nix/store/hkldzpgigap7kkqzdr5j4qqyy5ac4l6x-gcc-16.1.0' from 'https://cache.nixos.org'...
copying path '/nix/store/xlbyq2k7xi205dhsq95l8qbgnsnpnjsi-llvm-22.1.8-lib' from 'https://cache.nixos.org'...
copying path '/nix/store/kskx26b8ppfvvz6xjf411q6kd1s7sfq3-rust-bindgen-unwrapped-0.72.1-vendor' from 'https://cache.nixos.org'...
building '/nix/store/8q3iwfygndbfjjzb62x5qygwdz0jmlbl-bcachefs-module-6.18.38-1-lts.drv'...