this derivation will be built:
  /nix/store/v4l403hgl6mslly162fxdfr5sv0dhxq8-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/v4l403hgl6mslly162fxdfr5sv0dhxq8-bcachefs-module-7.0.0-30-generic.drv'...