prints error to console instead of crashing at None, -1 returned from…

… Prospector

prospector/cli/main.py

@@ -107,7 +107,13 @@ def main(argv):  # noqa: C901
         "enabled_rules": config.enabled_rules,
     }
 
-    results, advisory_record = prospector(**params)
+    try:
+        results, advisory_record = prospector(**params)
+    except Exception as e:
+        ConsoleWriter.print(
+            f"Prospector function couldn't return successfully with {config.vuln_id}: {e}\n"
+        )
+        return
 
     if config.preprocess_only:
         return

prospector/core/prospector.py

@@ -174,10 +174,8 @@ def prospector(  # noqa: C901
             f"Number of candidates exceeds {limit_candidates}, aborting."
         )
 
-        ConsoleWriter.print(
-            f"Candidates limitlimit exceeded: {len(candidates)}."
-        )
-        return None, len(candidates)
+        ConsoleWriter.print(f"Candidates limit exceeded: {len(candidates)}.")
+        raise Exception(f"Candidate limit exceeded: {len(candidates)}.")
 
     with ExecutionTimer(
         core_statistics.sub_collection("commit preprocessing")
@@ -232,7 +230,7 @@ def prospector(  # noqa: C901
                 elapsed_time = time.time() - start_time
                 if elapsed_time > 1800:
                     logger.error("Processing timeout")
-                    return None, len(candidates)
+                    raise Exception("Processing timeout")
 
             else:
                 writer.print("\nAll commits found in the backend")