--- /dev/null
+// run-rustfix
+#![allow(unused_must_use)]
+#![warn(clippy::create_dir)]
+
+use std::fs::create_dir_all;
+
+fn create_dir() {}
+
+fn main() {
+ // Should be warned
+ create_dir_all("foo");
+ create_dir_all("bar").unwrap();
+
+ // Shouldn't be warned
+ create_dir();
+ std::fs::create_dir_all("foobar");
+}