Retry on all errors (timeouts, crashes) instead of giving up

main.py

@@ -775,7 +775,11 @@ def _process_one(tid: int, acc: dict,
                     continue
                 break
             except Exception as e:
-                log.error("[T%d] Error: %s", tid, e)
+                log.error("[T%d] Error: %s (attempt %d/%d)", tid, e, attempt + 1, max_retries)
+                if attempt + 1 < max_retries:
+                    log.info("[T%d] Retrying after error...", tid)
+                    time.sleep(5)
+                    continue
                 break
             finally:
                 if TEST_MODE: