What are the errors that occur when deploying the Rails app to Heroku?

When you deploy the Rails app you are currently developing to Heroku,

$git push heroku master

The following error occurs:

remote:----->Ruby app detected
remote —----- > Compiling Ruby/Rails
remote :!
remote — !An error occurred while installing ruby-2.1.0-p0
remote :!
remote: !Heroku recommendations you use the latest supported Ruby version listed here: (URL)
remote :!     
remote :!
remote: !For more information on syntax for decoding a Ruby version see:
remote: !https://devcenter.heroku.com/articles/ruby-versions
remote :!
remote: !Note: Only the most recent version of Ruby 2.1 is supported on Cedar-14
remote :!
remote: !Debug InformationCommand: 'set-opipefail; curl-L --fail --retry5 --retry-delay1 --connect-timeout3 --max-time30 https://s3-external-1.amazonaws.com/heroku-buildpack-ruby/cedar-14/ruby-2.1.0-p0.tgz-s-o-|tar zxf-'failed unexpected:
remote :!
remote:!gzip:stdin:unexpected end of file
remote : !tar : Child returned status 1
remote: !tar: Error is not recoverable:exiting now
remote :!
remote: !Push rejected, failed to compile Ruby app.
remote:
remote: ! Push failed
remote —Verifying deploy...

I don't know if this is just an error caused by an older Ruby version, a corrupt tar file, or either.

Please let me know why the error is occurring and how I can successfully deploy it.Thank you for your cooperation.

The development environment is as follows.
host:macOS
guest —CentOS 6.5 (managed by Vagrant)
Ruby:2.1.0
Rails:4.1.0

ruby-on-rails ruby centos heroku

2022-09-30 21:19