Index: cbindgen/tests/tests.rs
===================================================================
--- cbindgen.orig/tests/tests.rs
+++ cbindgen/tests/tests.rs
@@ -5,6 +5,7 @@ use std::collections::HashSet;
 use std::path::Path;
 use std::process::Command;
 use std::{env, fs, str};
+use tempfile::tempdir;
 
 fn style_str(style: Style) -> &'static str {
     match style {
@@ -156,8 +157,9 @@ fn run_compile_test(
 ) {
     let crate_dir = env::var("CARGO_MANIFEST_DIR").unwrap();
     let tests_path = Path::new(&crate_dir).join("tests");
-    let mut generated_file = tests_path.join("expectations");
-    fs::create_dir_all(&generated_file).unwrap();
+    //let mut generated_file = tests_path.join("expectations");
+    //fs::create_dir_all(&generated_file).unwrap();
+    let tmpdir = tempdir().unwrap();
 
     let style_ext = style
         .map(|style| match style {
@@ -181,7 +183,8 @@ fn run_compile_test(
     let source_file =
         format!("{}{}{}", name, style_ext, lang_ext).replace(SKIP_WARNING_AS_ERROR_SUFFIX, "");
 
-    generated_file.push(source_file);
+    //generated_file.push(source_file);
+    let mut generated_file = tmpdir.path().join(source_file);
 
     let cbindgen_output = run_cbindgen(
         cbindgen_path,