handle errors better in main

src/main.rs

@@ -771,7 +771,7 @@ async fn run(config: Config) -> Result<(), AnyError> {
     Ok(())
 }
 
-fn main() {
+fn main() -> Result<(), anyhow::Error> {
     let begin = Instant::now();
     dotenvy::dotenv().ok();
 
@@ -786,9 +786,13 @@ fn main() {
         .build()
         .unwrap();
 
-    rt.block_on(run(config)).unwrap();
+    if let Err(err) = rt.block_on(run(config)) {
+        error!(?err, "something went wrong!");
+        anyhow::bail!("fatal error: {:?}", err);
+    }
 
     info!("finished in {:?}", begin.elapsed());
+    Ok(())
 }
 
 #[cfg(test)]