mkdir -p and wrapped the steps in a catch so the clean up happens

Jenkinsfile

@@ -47,7 +47,8 @@ pipeline {
     }
     stage('Build deliverable') {
       steps {
-         sh 'mkdir url-shortener'
+        catchError(buildResult: 'FAILURE', stageResult: 'FAILURE') {
+          sh 'mkdir -p url-shortener'
           sh 'shopt -s extglob'
           sh 'cp -R !(url-shortener) url-shortener/'
           sh 'rm -rf url-shortener/features'
@@ -57,6 +58,7 @@ pipeline {
           archiveArtifacts artifacts: 'url-shortener.tgz'
         }
       }
+    }
     stage('Clean up deliverable') {
       steps {
         sh 'rm -rf url-shortener'