With bundler 1.10.3 the following error is coming up
This prevents bundler from installing bins or native extensions, but that may not affect its functionality.
The validation message from Rubygems was:
duplicate dependency on rails (= 3.0.11, development), (>= 3.0.0) use:
add_runtime_dependency 'rails', '= 3.0.11', '>= 3.0.0'
With bundler 1.10.3 the following error is coming up