[EXPERIMENTAL] what failed on loongarch

src/bootstrap/src/utils/helpers.rs

@@ -547,6 +547,19 @@ pub fn get_closest_merge_base_commit(
 
 /// Sets the file times for a given file at `path`.
 pub fn set_file_times<P: AsRef<Path>>(path: P, times: fs::FileTimes) -> io::Result<()> {
-    let f = fs::File::options().write(true).open(path)?;
-    f.set_times(times)
+    let path = path.as_ref();
+    let f = match fs::File::options().write(true).open(&path) {
+        Ok(fd) => fd,
+        Err(e) => {
+            eprintln!("could not open {} as writable file", path.display());
+            panic!("{e}");
+        }
+    };
+    match f.set_times(times) {
+        Ok(()) => Ok(()),
+        Err(e) => {
+            eprintln!("could not set file times for {}", path.display());
+            panic!("{e}");
+        }
+    }
 }