unpacking 'https://github.com/NixOS/nixpkgs/archive/9fbb54b33e91ee4ca368e35a78e0613c720600b3.tar.gz' into the Git cache...
this derivation will be built:
  /nix/store/9m24hjydfmflw28xz1wp9vpq3zxygskz-bcachefs-module-7.1.11-arch1-1.drv
building '/nix/store/9m24hjydfmflw28xz1wp9vpq3zxygskz-bcachefs-module-7.1.11-arch1-1.drv'...