Heroku does not deploy

[airbornelamb]

Build fails on Heroku.

Log file below:

-----> Ruby app detected -----> Compiling Ruby/Rails ! ! An error occurred while installing ruby-2.1.2 !
! Heroku recommends you use the latest supported Ruby version listed here: ! https://devcenter.heroku.com/articles/ruby-support#supported-runtimes !
! For more information on syntax for declaring a Ruby version see: ! https://devcenter.heroku.com/articles/ruby-versions !
!
! Debug InformationCommand: 'set -o pipefail; curl -L --fail --retry 5 --retry-delay 1 --connect-timeout 3 --max-time 30 https://s3-external-1.amazonaws.com/heroku-buildpack-ruby/heroku-16/ruby-2.1.2.tgz -s -o - | tar zxf - ' failed unexpectedly: !
! gzip: stdin: unexpected end of file ! tar: Child returned status 1 ! tar: Error is not recoverable: exiting now ! ! Push rejected, failed to compile Ruby app. ! Push failed