diff --git a/script/cibuild b/script/cibuild
index 11d91415405e..3a8dbd69c6e5 100755
--- a/script/cibuild
+++ b/script/cibuild
@@ -7,7 +7,7 @@ cd "$(dirname "$0")/.."
 
 if [ "$TRAVIS_PYTHON_VERSION" = "3.5" ]; then
   echo "Verifying requirements_all.txt..."
-  python3 setup.py -q develop 2> /dev/null
+  python3 setup.py -q develop
   tput setaf 1
   script/gen_requirements_all.py validate
   VERIFY_REQUIREMENTS_STATUS=$?