Crashes github_api

githubcrash.rb

require 'github_api'
@user = "rubinius"
@repo = "rubinius"
@github = Github.new(oauth_token: "redacted")
begin
  @github.repos.commits.get(@user, @repo, "ceb66b61264657898cd6608c7e9ed78072169664")
rescue Github::Error::NotFound
end
begin
  @github.repos.commits.get(@user, @repo, "1754bd9b208e8d9207c226d1ffb3cee490856a78")
rescue Github::Error::NotFound
end


/home/aaron/.rvm/gems/ruby-2.0.0-rc2/gems/github_api-0.9.2/lib/github_api/api.rb:144: stack level too deep (SystemStackError)