message: [travis] Restore ownership before caching
diff: @@ -38,3 +38,5 @@ before_install:
  script:
  - docker run -v $HOME/.ccache:/root/.ccache -v $HOME/.stack:/root/.stack -v `pwd`:/root/bond bond-xenial $HOME $FLAVOR $BOOST $COMPILER
  + # docker runs as root and may leave files in the following directories that are not readable by the travis user
  + - sudo chown -R travis:travis $HOME/.ccache $HOME/.stack `pwd`
  