- Make sure we log when an exception occurs in the squashing code

- Have queue file always try to return any remaining data in the buffer
- Remove the raise of the exception when we get an empty tar file

util/tarlayerformat.py

@@ -13,7 +13,6 @@ class TarLayerFormat(object):
       try:
         tar_file = tarfile.open(mode='r|*', fileobj=current_tar)
       except tarfile.ReadError as re:
-        raise re
         continue
 
       # For each of the tar entries, yield them IF and ONLY IF we have not