unpacking 'https://github.com/NixOS/nixpkgs/archive/c59305bab2065cfecc4944690d9eedbb56f3a9fa.tar.gz' into the Git cache...
this derivation will be built:
  /nix/store/gwgy5ndgxlj07bvmwfwzk59i65ghxfln-bcachefs-module-7.2.8-arch1-2.drv
building '/nix/store/gwgy5ndgxlj07bvmwfwzk59i65ghxfln-bcachefs-module-7.2.8-arch1-2.drv'...