DNM show disk space

.github/workflows/bazelized_drake_ros.yml

@@ -15,6 +15,9 @@ jobs:
     if: "! contains(github.event.pull_request.labels.*.name, 'status: defer ci')"
     runs-on: ubuntu-22.04
     steps:
+      - name: Show disk space
+        run: df -h
+
       - uses: actions/checkout@v3
 
       # Caching.
@@ -72,15 +75,19 @@ jobs:
       - name: Configure drake_ros_examples Bazel for CI
         run: ln -s ../.github/ci.bazelrc ./user.bazelrc
         working-directory: drake_ros_examples
-      - name: Build drake_ros_examples
-        run: bazel build //...
-        working-directory: drake_ros_examples
-      - name: Test drake_ros_examples
-        run: bazel test //...
-        working-directory: drake_ros_examples
-      - name: Clean up drake_ros_examples
-        run: bazel clean
-        working-directory: drake_ros_examples
+      - name: Show disk space
+        run: df -h
+
+      # - name: Build drake_ros_examples
+      #   run: bazel build //...
+      #   working-directory: drake_ros_examples
+      # - name: Test drake_ros_examples
+      #   run: bazel test //...
+      #   working-directory: drake_ros_examples
+      # - name: Clean up drake_ros_examples
+      #   run: bazel clean
+      #   working-directory: drake_ros_examples
+
       # Save the updated cache snapshots, so we never do the same work twice.
       # By default, actions/cache only saves after a successful workflow, but
       # our caches are bags of files where we only ever add new files (not change