fix incorrect output
@@ -181,7 +181,7 @@ if [ ${#RUNTIME_VERSION_DIFFS[@]} -ne 0 ]; then
fi
RUNTIME_CARGO_VERSIONS=( $(printf '%s\n' "${RUNTIME_CARGO_VERSIONS[@]}" | sort -u) )
-if [ ${#RUNTIME_CARGO_VERSIONS} -gt 1 ]; then
+if [ ${#RUNTIME_CARGO_VERSIONS[@]} -gt 1 ]; then
echo "Runtime versions don't match."
echo
fi
