SERVER-34371: log errors from rmtree

(cherry picked from commit 85d4c70b894b3f2ebc19115a573bf01b27ac89e1)

1 files changed, 8 insertions, 2 deletions

diff --git a/buildscripts/resmokelib/testing/fixtures/standalone.py b/buildscripts/resmokelib/testing/fixtures/standalone.py
index 7aaa34fa3de..9e7c7ff6e3a 100644
--- a/buildscripts/resmokelib/testing/fixtures/standalone.py
+++ b/buildscripts/resmokelib/testing/fixtures/standalone.py
@@ -48,8 +48,14 @@ class MongoDFixture(interface.Fixture):
 
     def setup(self):
         """Set up the mongod."""
-        if not self.preserve_dbpath:
-            utils.rmtree(self._dbpath, ignore_errors=True)
+        if not self.preserve_dbpath and os.path.lexists(self._dbpath):
+
+            def handle_rmtree_failure(fn, path, excinfo):
+                """Handle a failure from rmtree."""
+                self.logger.warning("'%s' threw an exception trying to act on '%s'."
+                                    " excinfo: %s.", fn, path, excinfo[:2])
+
+            utils.rmtree(self._dbpath, ignore_errors=False, onerror=handle_rmtree_failure)
 
         try:
             os.makedirs(self._dbpath)