c:\Ruby200-x64\devkit>gem install rbtc_arbitrage
Fetching: rake-10.1.1.gem (100%)
rake's executable "rake" conflicts with C:/Ruby200-x64/bin/rake
Overwrite the executable? [yN]  y
Successfully installed rake-10.1.1
Fetching: coinbase-1.3.0.gem (100%)
Successfully installed coinbase-1.3.0
Fetching: rbtc_arbitrage-2.3.0.gem (100%)
Successfully installed rbtc_arbitrage-2.3.0
Parsing documentation for rake-10.1.1
Installing ri documentation for rake-10.1.1
Parsing documentation for coinbase-1.3.0
Installing ri documentation for coinbase-1.3.0
Parsing documentation for rbtc_arbitrage-2.3.0
Installing ri documentation for rbtc_arbitrage-2.3.0
3 gems installed

c:\Ruby200-x64\devkit>rbtc_simple
fatal: Not a git repository (or any of the parent directories): .git
fatal: Not a git repository (or any of the parent directories): .git
C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/bundler-1.6.3/lib/bundler/spec_set.rb:92
:in `block in materialize': Could not find minitest-4.7.5 in any of the sources
(Bundler::GemNotFound)
        from C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/bundler-1.6.3/lib/bundler/s
pec_set.rb:85:in `map!'
        from C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/bundler-1.6.3/lib/bundler/s
pec_set.rb:85:in `materialize'
        from C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/bundler-1.6.3/lib/bundler/d
efinition.rb:133:in `specs'
        from C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/bundler-1.6.3/lib/bundler/d
efinition.rb:178:in `specs_for'
        from C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/bundler-1.6.3/lib/bundler/r
untime.rb:13:in `setup'
        from C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/bundler-1.6.3/lib/bundler.r
b:127:in `setup'
        from C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/bundler-1.6.3/lib/bundler.r
b:132:in `require'
        from C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/rbtc_arbitrage_simple-2.1.1
/lib/rbtc_arbitrage.rb:3:in `block in <top (required)>'
        from C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/rbtc_arbitrage_simple-2.1.1
/lib/rbtc_arbitrage.rb:2:in `chdir'
        from C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/rbtc_arbitrage_simple-2.1.1
/lib/rbtc_arbitrage.rb:2:in `<top (required)>'
        from C:/Ruby200-x64/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:5
5:in `require'
        from C:/Ruby200-x64/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:5
5:in `require'
        from C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/rbtc_arbitrage_simple-2.1.1
/bin/rbtc_simple:4:in `<top (required)>'
        from C:/Ruby200-x64/bin/rbtc_simple:23:in `load'
        from C:/Ruby200-x64/bin/rbtc_simple:23:in `<main>'

c:\Ruby200-x64\devkit>