rbx -v
rubinius 0.8.0 (ruby 1.8.6 compatible) (023880481) (04/02/2008) [x86_64-unknown-linux-gnu]

irb(main):001:0> puts "Hello"
An exception has occurred:
    wrong number of arguments (got 1, required -1) (ArgumentError)

Backtrace:
               IRB::ReadlineInputMethod#gets at /usr/local/lib/rubinius/0.8/irb/input-method.rb:98
    IRB::Irb(IRB::IrbRubinius)#eval_input {} at /usr/local/lib/rubinius/0.8/irb.rb:138
    IRB::Irb(IRB::IrbRubinius)#signal_status at /usr/local/lib/rubinius/0.8/irb.rb:271
    IRB::Irb(IRB::IrbRubinius)#eval_input {} at /usr/local/lib/rubinius/0.8/irb.rb:137
                                   Proc#call at kernel/core/proc.rb:84
                           RubyLex#buf_input at /usr/local/lib/rubinius/0.8/irb/ruby-lex.rb:189
                                RubyLex#getc at /usr/local/lib/rubinius/0.8/irb/ruby-lex.rb:104
                    IRB::SLex::Node#match_io at /usr/local/lib/rubinius/0.8/irb/slex.rb:206
                             IRB::SLex#match at /usr/local/lib/rubinius/0.8/irb/slex.rb:74
                               RubyLex#token at /usr/local/lib/rubinius/0.8/irb/ruby-lex.rb:291
                                 RubyLex#lex at /usr/local/lib/rubinius/0.8/irb/ruby-lex.rb:263
         RubyLex#each_top_level_statement {} at /usr/local/lib/rubinius/0.8/irb/ruby-lex.rb:256
                    Kernel(RubyLex)#catch {} at kernel/core/throw_catch.rb:63
                        ThrownValue.register at kernel/core/throw_catch.rb:48
                       Kernel(RubyLex)#catch at kernel/core/throw_catch.rb:67
            RubyLex#each_top_level_statement at /usr/local/lib/rubinius/0.8/irb/ruby-lex.rb:229
         IRB::IrbRubinius#process_statements at /usr/local/lib/rubinius/0.8/irb/rubinius.rb:4
       IRB::Irb(IRB::IrbRubinius)#eval_input at /usr/local/lib/rubinius/0.8/irb.rb:152
                                IRB.start {} at /usr/local/lib/rubinius/0.8/irb.rb:76
                     Kernel(Module)#catch {} at kernel/core/throw_catch.rb:63
                        ThrownValue.register at kernel/core/throw_catch.rb:48
                        Kernel(Module)#catch at kernel/core/throw_catch.rb:67
                                   IRB.start at /usr/local/lib/rubinius/0.8/irb.rb:75
                           Object#__script__ at /usr/local/lib/rubinius/0.8/bin/irb.rb:13
                    CompiledMethod#as_script at kernel/core/compiled_method.rb:323
                         Compile.single_load at kernel/core/compile.rb:238
                     Compile.unified_load {} at kernel/core/compile.rb:149
                                  Array#each at kernel/core/array.rb:573
                        Compile.unified_load at kernel/core/compile.rb:120
                      Kernel(Object)#require at kernel/core/compile.rb:450
                           Object#__script__ at kernel/loader.rb:226