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/h44gy7v96k988jn96vf7prx7w7n9v8ks-bcachefs-module-6.18.38-1-lts.drv
these 5 paths will be fetched (487.18 MiB download, 2039.22 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/q78ww39p0v5y4sjj2idpp7xlpr0s9q7z-linux-6.18.36-dev
  /nix/store/xlbyq2k7xi205dhsq95l8qbgnsnpnjsi-llvm-22.1.8-lib
copying path '/nix/store/q78ww39p0v5y4sjj2idpp7xlpr0s9q7z-linux-6.18.36-dev' from 'https://cache.nixos.org'...
copying path '/nix/store/xlbyq2k7xi205dhsq95l8qbgnsnpnjsi-llvm-22.1.8-lib' from 'https://cache.nixos.org'...
copying path '/nix/store/fkpqai4h165xiv0n0ky9wcmrq517vijw-clang-22.1.8-lib' from 'https://cache.nixos.org'...
building '/nix/store/h44gy7v96k988jn96vf7prx7w7n9v8ks-bcachefs-module-6.18.38-1-lts.drv'...