message: Remove docker login from Travis build
  The bondciimages.azurecr.io has been configured for anonymous read-only
  access, so the `docker login` step is no longer needed.
diff: @@ -49,7 +49,6 @@ script:
  - if [ "$CRON_ONLY" = "true" ] && [ "$TRAVIS_EVENT_TYPE" != "cron" ] ; then echo "Skipping cron-only job"; exit 0; fi
  - CI_BUILD_IMAGE=bondciimages.azurecr.io/ubuntu-1604:build-21070065
  - if [ "$TRAVIS_OS_NAME" == "linux" ]; then echo "Hardware:"; grep model\ name /proc/cpuinfo | uniq -c; free -m; fi
  - - travis_retry docker login -u "$DOCKER_USERNAME" -p "$DOCKER_PASSWORD" bondciimages.azurecr.io
  - time travis_retry docker pull $CI_BUILD_IMAGE
  - docker images # Dump the image ID
  - docker run -v $HOME/.ccache:/root/.ccache -v $HOME/.stack:/root/.stack -v `pwd`:/root/bond $CI_BUILD_IMAGE $HOME $FLAVOR $BOOST $COMPILER
  