further fix for race condition in #206

lib/tasks/gather.js

@@ -191,6 +191,10 @@ class TaskGather extends Task {
       if (this.input.includes('speech') && !this.listenDuringPrompt) {
         this._initSpeech(cs, ep)
           .then(() => {
+            if (this.killed) {
+              this.logger.info('Gather:exec - task was quickly killed so do not transcribe');
+              return;
+            }
             this._startTranscribing(ep);
             return updateSpeechCredentialLastUsed(this.sttCredentials.speech_credential_sid);
           })
@@ -223,7 +227,13 @@ class TaskGather extends Task {
           if (!this.killed) startListening(cs, ep);
         });
       }
-      else startListening(cs, ep);
+      else {
+        if (this.killed) {
+          this.logger.info('Gather:exec - task was immediately killed so do not transcribe');
+          return;
+        }
+        startListening(cs, ep);
+      }
 
       if (this.input.includes('speech') && this.listenDuringPrompt) {
         await this._initSpeech(cs, ep);