fix broken finish match

src/main.rs

@@ -158,7 +158,7 @@ async fn normal(cfg: config::Config) -> eyre::Result<()>
     #[cfg(feature="inspect")] 
     match writer.await {
 	Some(Ok(Ok(_))) if cfg.serialise_output.is_some() => cfg_eprintln!(Verbose; cfg, "Written successfully"),
-	Some(Ok(error)) => return error.wrap_err(eyre!("Failed to write graph to output stream")),
+	Some(Ok(error @ Err(_))) => return error.wrap_err(eyre!("Failed to write graph to output stream")),
 	Some(Err(_)) => cfg_eprintln!(Silent; cfg, "Panic while writing graph to stream"),
 	_ => (),
     }