Log output of docker/distribution registries instead of sending it to /dev/null
Log output of docker/distribution registries instead of sending it to /dev/null

This is useful for diagnosing failures which are logged locally but not
reported to the clients.

jwhonce/skopeo,projectatomic/skopeo,mtrmac/skopeo,mtrmac/skopeo,jwhonce/skopeo,projectatomic/skopeo,mtrmac/skopeo