added reports log to diag

Change-Id: Ic0fa9aa141b6ef015f1763558d6f45f2e1bc4962
Reviewed-on: http://review.couchbase.org/35274
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Reviewed-by: Aliaksey Artamonau <aliaksiej.artamonau@gmail.com>