Microsoft (R) Program Maintenance Utility Version 14.44.35222.0
Copyright (C) Microsoft Corporation.  All rights reserved.

Already on 'branch-8-6'
error: RPC failed; HTTP 500 curl 22 The requested URL returned error: 500
fatal: expected flush after ref listing
NMAKE : fatal error U1077: 'git pull origin branch-8-6' : return code '0x1'
Stop.