message: ci: keep job alive when yarn request takes more than 10 minutes
  Occasionally, yarn's requests take more than 10 minutes to
  complete/fail, by which time CircleCI jobs due to no output.
  This commit works around the issue by periodically printing something to
  stdout.
  PR Close
diff: @@ -54,7 +54,13 @@ var_7: &post_checkout
  var_8: &yarn_install
  run:
  name: Running Yarn install
  - command: yarn install --frozen-lockfile --non-interactive
  + command: |
  + # Yarn's requests sometimes take more than 10mins to complete.
  + # Print something to stdout, to prevent CircleCI from failing due to not output.
  + while true; do sleep 60; echo "[`date`] Keeping alive..."; done &
  + KEEP_ALIVE_PID=$!
  + yarn install --frozen-lockfile --non-interactive
  + kill $KEEP_ALIVE_PID
  var_9: &setup_circleci_bazel_config
  run:
  