unpacking 'https://github.com/NixOS/nixpkgs/archive/7fd4004d0511991fff3a0524856a9be09e28c5f0.tar.gz' into the Git cache...
this derivation will be built:
  /nix/store/i29y51b5lgg2aip4bjfxgi4h5pji93vq-bcachefs-module-7.2.10-arch1-1.drv
building '/nix/store/i29y51b5lgg2aip4bjfxgi4h5pji93vq-bcachefs-module-7.2.10-arch1-1.drv'...