cap deploy error for a 3.0.9 app

gistfile1.txt

jw@eagle:/projects/some-client/lexicon$ bundle exec cap production deploy
  * executing `production'
    triggering start callbacks for `deploy'
  * executing `multistage:ensure'
  * executing `deploy'
  * executing `deploy:update'
 ** transaction: start
  * executing `deploy:update_code'
    executing locally: "git ls-remote git@some-client.unfuddle.com:some-client/lexicon.git master"
    command finished in 1695ms
  * executing "git clone -q git@some-client.unfuddle.com:some-client/lexicon.git /home/production/lexicon.some-client.com/releases/20120322204431 && cd /home/production/lexicon.some-client.com/releases/20120322204431 && git checkout -q -b deploy 2f07558d323b58077d1afd98b2bc3037eaf8950e && (echo 2f07558d323b58077d1afd98b2bc3037eaf8950e > /home/production/lexicon.some-client.com/releases/20120322204431/REVISION)"
    servers: ["lexicon.some-client.com"]
Password:
*** [deploy:update_code] rolling back
  * executing "rm -rf /home/production/lexicon.some-client.com/releases/20120322204431; true"
    servers: ["lexicon.some-client.com"]
 ** [deploy:update_code] exception while rolling back: Net::SSH::Exception, corrupted mac detected
An exception occurred running /projects/some-client/lexicon/vendor/bundle/bin/cap
    Tried to use non-reference value 0x1a as type Bignum (10) (TypeError)

Backtrace:
                    Zlib.inflateInit2 at /projects/eagle/rvm/rubies/rbx-head/lib
                                         /zlib.rb:557