message: Back to clang6
diff: @@ -17,7 +17,7 @@ RUN apt-key add /tmp/llvm.key
  # Install clang and everything needed to build core
  RUN apt-get update \
  - && apt-get install -y clang-8.0 \
  + && apt-get install -y clang-6.0 \
  cmake \
  libprocps4-dev \
  libssl-dev \
  @@ -25,5 +25,5 @@ RUN apt-get update \
  && rm -rf /var/lib/apt/lists/*
  # Make clang the default compiler
  -ENV CC /usr/bin/clang-8.0
  -ENV CXX /usr/bin/clang++-8.0
  \ No newline at end of file
  +ENV CC /usr/bin/clang-6.0
  +ENV CXX /usr/bin/clang++-6.0
  \ No newline at end of file
  