diff --git a/.travis/docker_tests.sh b/.travis/docker_tests.sh
index cc791542b..a51dc1cd2 100755
--- a/.travis/docker_tests.sh
+++ b/.travis/docker_tests.sh
@@ -7,9 +7,12 @@
 # LICENSE file in the root directory of this source tree. An additional grant
 # of patent rights can be found in the PATENTS file in the same directory.
 
+set -e
 
 SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
+set -x
+
 # assumes we are in .travis/
 cd "${SCRIPT_DIR}/../docker"