Temporary change to see what is in the build directory.
diff --git a/appveyor.yml b/appveyor.yml
index d86785b..40e2eb7 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -10,6 +10,7 @@
 
 build_script:
   - 'nmake'
+  - 'dir build'
 
 test_script:
   - 'nmake test'