diff --git a/ci/integration.sh b/ci/integration.sh
index 6a293d5f80838..f719bc5cc6e4d 100755
--- a/ci/integration.sh
+++ b/ci/integration.sh
@@ -42,8 +42,8 @@ function check_fmt_with_lib_tests {
 
 function check_fmt_base {
     local test_args="$1"
-    cargo test $test_args
-    if [[ $? != 0 ]]; then
+    local build=$(cargo test $test_args 2>&1)
+    if [[ "$build" =~ "build failed" ]]; then
           return 0
     fi
     touch rustfmt.toml