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runtime/observatory/lib/src/service/object.dart

Index: runtime/observatory/lib/src/service/object.dart
diff --git a/runtime/observatory/lib/src/service/object.dart b/runtime/observatory/lib/src/service/object.dart
index cf9e437ba8dd32acafffaadc102148b67609529d..a42bfd22a2a1b8dd66c35fd756b8f9aa1c4029f4 100644
--- a/runtime/observatory/lib/src/service/object.dart
+++ b/runtime/observatory/lib/src/service/object.dart
@@ -377,7 +377,7 @@ abstract class VM extends ServiceObjectOwner {
       if (data != null) {
         map['_data'] = data;
       }
-    } catch (e, st) {
+    } catch (_) {
       Logger.root.severe('Ignoring malformed event response: ${response}');
       return;
     }