message: travis: add 'set -e' in order to fail job if error
diff: @@ -14,6 +14,7 @@ matrix:
  env: BUILD_TARGET=docker_build
  before_script:
  +- set -e
  - if [[ "${BUILD_TARGET}" = "trusty_build" ]]; then
  sudo wget -O /usr/bin/astyle https://github.com/PX4/astyle/releases/download/2.05.1/astyle-linux;
  sudo chmod +x /usr/bin/astyle;
  