diff --git a/misc/cgo/testcshared/test.bash b/misc/cgo/testcshared/test.bash
index ac852a007a..4446402ad9 100755
--- a/misc/cgo/testcshared/test.bash
+++ b/misc/cgo/testcshared/test.bash
@@ -19,6 +19,8 @@ goarch=$(go env GOARCH)
 goroot=$(go env GOROOT)
 if [ ! -d "$goroot" ]; then
 	echo 'misc/cgo/testcshared/test.bash cannnot find GOROOT' 1>&2
+	echo '$GOROOT:' "$GOROOT" 1>&2
+	echo 'go env GOROOT:' "$goroot" 1>&2
 	exit 1
 fi