message: Fix clang builds for NCCL error.
diff: @@ -14,6 +14,11 @@ RUN /install/install_bootstrap_deb_packages.sh
  RUN add-apt-repository -y ppa:openjdk-r/ppa && \
  add-apt-repository -y ppa:george-edison55/cmake-3.x
  RUN /install/install_deb_packages.sh
  +
  +# Install NCCL
  +RUN apt-get update && apt-get install -y --no-install-recommends \
  + libnccl2=2.2.13-1+cuda9.0
  +
  RUN /install/install_pip_packages.sh
  RUN /install/install_bazel.sh
  RUN /install/install_golang.sh
  