message: Cargo format
diff: @@ -159,7 +159,7 @@ fn setup_build(target: &Target) -> Result<(Command, PathBuf, Bundle), failure::E
  command.arg(format!("--wasm-binding={}", bundle.get_wasm_binding()));
  - let webpack_config_path: Option<PathBuf> = if let Some(webpack_config) = &target.webpack_config {
  + let webpack_config_path = if let Some(webpack_config) = &target.webpack_config {
  // require webpack_config in wrangler.toml to use it in sites
  Some(PathBuf::from(&webpack_config))
  } else if target.site.is_none() {
  