실행이 안되네요.

구름IDE에서 github에서 소스를 Clone 해서 하고 있습니다.

그런데 하라는 데로 다 했는데 실행이 안되네요.

아래처럼 메시지가 나오는데, 어떻게 해야 하나요?
루비나 레일즈 이런것들이 버전이 안맞아서 그런가요?

root@goorm:/workspace/inflearn-rorproject-# cd /workspace/inflearn-rorproject- && rails s -b 0.0.0.0 -p 3000 /usr/local/rvm/gems/ruby-2.4.0/gems/thread_safe-0.3.5/lib/thread_safe/cache.rb:155: warning: constant ::Fixnum is deprecated => Booting WEBrick => Rails 4.2.5 application starting in development on http://0.0.0.0:3000 => Run`rails server -h`for more startup options => Ctrl-C to shutdown server /usr/local/rvm/gems/ruby-2.4.0/gems/thread_safe-0.3.5/lib/thread_safe/cache.rb:155: warning: constant ::Fixnum is deprecated /usr/local/rvm/gems/ruby-2.4.0/gems/thread_safe-0.3.5/lib/thread_safe/cache.rb:155: warning: constant ::Fixnum is deprecated /usr/local/rvm/gems/ruby-2.4.0/gems/activesupport-4.2.5/lib/active_support/core_ext/numeric/conversions.rb:121: warning: constant ::Fixnum is deprecated /usr/local/rvm/gems/ruby-2.4.0/gems/activesupport-4.2.5/lib/active_support/core_ext/numeric/conversions.rb:121: warning: constant ::Bignum is deprecated Exiting /usr/local/rvm/gems/ruby-2.4.0/gems/activesupport-4.2.5/lib/active_support/core_ext/numeric/conversions.rb:124:in`block (2 levels) in ': stack level too deep (SystemStackError)

from /usr/local/rvm/gems/ruby-2.4.0/gems/activesupport-4.2.5/lib/active_support/core_ext/numeric/conversions.rb:131:in `block (2 levels) in <class:Numeric>' from /usr/local/rvm/gems/ruby-2.4.0/gems/activesupport-4.2.5/lib/active_support/core_ext/numeric/conversions.rb:131:in`block (2 levels) in '

from /usr/local/rvm/gems/ruby-2.4.0/gems/activesupport-4.2.5/lib/active_support/core_ext/numeric/conversions.rb:131:in `block (2 levels) in <class:Numeric>' from /usr/local/rvm/gems/ruby-2.4.0/gems/activesupport-4.2.5/lib/active_support/core_ext/numeric/conversions.rb:131:in`block (2 levels) in '

from /usr/local/rvm/gems/ruby-2.4.0/gems/activesupport-4.2.5/lib/active_support/core_ext/numeric/conversions.rb:131:in `block (2 levels) in <class:Numeric>' from /usr/local/rvm/gems/ruby-2.4.0/gems/activesupport-4.2.5/lib/active_support/core_ext/numeric/conversions.rb:131:in`block (2 levels) in '

from /usr/local/rvm/gems/ruby-2.4.0/gems/activesupport-4.2.5/lib/active_support/core_ext/numeric/conversions.rb:131:in `block (2 levels) in <class:Numeric>' from /usr/local/rvm/gems/ruby-2.4.0/gems/activesupport-4.2.5/lib/active_support/core_ext/numeric/conversions.rb:131:in`block (2 levels) in '

... 5013 levels...

from /workspace/inflearn-rorproject-/bin/spring:15:in `require' from /workspace/inflearn-rorproject-/bin/spring:15:in`<top (required)>'

from bin/rails:3:in `load' from bin/rails:3:in`'