add stream name to warn

Author: nikhilsinhaparseable

src/prism/logstream/mod.rs

@@ -268,7 +268,7 @@ impl PrismDatasetRequest {
                     continue;
                 }
                 Err(err) => {
-                    warn!("error: {err}");
+                    warn!("Error processing stream '{}': {}", stream, err);
                     continue;
                 }
             }