I have 4 identical EC2 instances...with s3cmd baked into the instance so I know they are identical.
Two of my instances are suddenly failing with this error message.

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
    An unexpected error has occurred.
  Please report the following lines to:
   s3tools-bugs@lists.sourceforge.net
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Problem: KeyError: 'elapsed'
S3cmd:   1.1.0-beta3

Traceback (most recent call last):
  File "/usr/bin/s3cmd", line 1800, in <module>
    main()
  File "/usr/bin/s3cmd", line 1741, in main
    cmd_func(args)
  File "/usr/bin/s3cmd", line 309, in cmd_object_put
    (unicodise(full_name_orig), uri_final, response["size"], response["elapsed"],
KeyError: 'elapsed'

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
    An unexpected error has occurred.
    Please report the above lines to:
   s3tools-bugs@lists.sourceforge.net
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!