better error message

diff --git a/crates/rust-analyzer/tests/slow-tests/testdir.rs b/crates/rust-analyzer/tests/slow-tests/testdir.rs
index c7e5c21806451e647feebbe13b429bfbb944a061..3bec23a911750fdf703eb246e7a538775367a133 100644 (file)
--- a/crates/rust-analyzer/tests/slow-tests/testdir.rs
+++ b/crates/rust-analyzer/tests/slow-tests/testdir.rs
@@ -52,7 +52,9 @@ fn drop(&mut self) {
         if self.keep {
             return;
         }
-        remove_dir_all(&self.path).unwrap()
+        remove_dir_all(&self.path).unwrap_or_else(|err| {
+            panic!("failed to remove temporary directory {}: {}", self.path.display(), err)
+        })
     }
 }