this derivation will be built:
  /nix/store/rk8wi81g5qrq726b4bz7wbklwa3swwha-bcachefs-module-7.0.0-38-generic-64k.drv
building '/nix/store/rk8wi81g5qrq726b4bz7wbklwa3swwha-bcachefs-module-7.0.0-38-generic-64k.drv'...