Not able to run oc adm top pod from non cluster-admin user.

Issue

• The command oc adm top pods is not displaying the memory resources.
• The user is not a cluster-admin but a project-admin of the application namespace.
• The below error is observed when trying to view the top output for pods.

W0514 <time>   26453 top_pod.go:192] Metrics not available for pod <pod-name>, age: 1234
error: Metrics not available for pod <pod-name>, age: 1234