Drop level of spammy log message (ray-project#22576)

Author: ericl

src/ray/core_worker/core_worker_process.cc

@@ -344,9 +344,16 @@ CoreWorker &CoreWorkerProcessImpl::GetCoreWorkerForCurrentThread() {
       // In this case, we should exit without crashing.
       // TODO (scv119): A better solution could be returning error code
       // and handling it at language frontend.
-      RAY_LOG(ERROR) << "The global worker has already been shutdown. This happens when "
-                        "the language frontend accesses the Ray's worker after it is "
-                        "shutdown. The process will exit";
+      if (options_.worker_type == WorkerType::DRIVER) {
+        RAY_LOG(ERROR)
+            << "The global worker has already been shutdown. This happens when "
+               "the language frontend accesses the Ray's worker after it is "
+               "shutdown. The process will exit";
+      } else {
+        RAY_LOG(INFO) << "The global worker has already been shutdown. This happens when "
+                         "the language frontend accesses the Ray's worker after it is "
+                         "shutdown. The process will exit";
+      }
       QuickExit();
     }
     RAY_CHECK(global_worker) << "global_worker_ must not be NULL";