run cuda build again...save container

.github/workflows/build_and_test.yml

@@ -179,7 +179,7 @@ jobs:
 
         # Remove the container and the workspace to avoid any conflict with the next run.
         echo github.workspace = ${{ github.workspace }}
-        rm -rf ${{ github.workspace }}/*
+#        rm -rf ${{ github.workspace }}/*
 #        docker rm -f ${CONTAINER_NAME}
 
         exit ${EXIT_STATUS}