C:\Ruby24-x64>rake --trace
rake aborted!
No Rakefile found (looking for: rakefile, Rakefile, rakefile.rb, Rakefile.rb)
C:/Ruby24-x64/lib/ruby/gems/2.4.0/gems/rake-12.0.0/lib/rake/application.rb:682:in `raw_load_rakefile'
C:/Ruby24-x64/lib/ruby/gems/2.4.0/gems/rake-12.0.0/lib/rake/application.rb:96:in `block in load_rakefile'
C:/Ruby24-x64/lib/ruby/gems/2.4.0/gems/rake-12.0.0/lib/rake/application.rb:178:in `standard_exception_handling'
C:/Ruby24-x64/lib/ruby/gems/2.4.0/gems/rake-12.0.0/lib/rake/application.rb:95:in `load_rakefile'
C:/Ruby24-x64/lib/ruby/gems/2.4.0/gems/rake-12.0.0/lib/rake/application.rb:79:in `block in run'
C:/Ruby24-x64/lib/ruby/gems/2.4.0/gems/rake-12.0.0/lib/rake/application.rb:178:in `standard_exception_handling'
C:/Ruby24-x64/lib/ruby/gems/2.4.0/gems/rake-12.0.0/lib/rake/application.rb:77:in `run'
C:/Ruby24-x64/lib/ruby/gems/2.4.0/gems/rake-12.0.0/exe/rake:27:in `<top (required)>'
C:/Ruby24-x64/bin/rake:23:in `load'
C:/Ruby24-x64/bin/rake:23:in `<main>'