Ignoring dep-selector-libgecode-1.0.2 because its extensions are not built.  Try: gem pristine dep-selector-libgecode --version 1.0.2
Ignoring dep_selector-1.0.3 because its extensions are not built.  Try: gem pristine dep_selector --version 1.0.3
Ignoring ffi-1.9.5 because its extensions are not built.  Try: gem pristine ffi --version 1.9.5
Ignoring ffi-yajl-1.1.0 because its extensions are not built.  Try: gem pristine ffi-yajl --version 1.1.0
Ignoring gherkin-2.12.2 because its extensions are not built.  Try: gem pristine gherkin --version 2.12.2
Ignoring hitimes-1.2.2 because its extensions are not built.  Try: gem pristine hitimes --version 1.2.2
Ignoring hpricot-0.8.6 because its extensions are not built.  Try: gem pristine hpricot --version 0.8.6
Ignoring http_parser.rb-0.6.0 because its extensions are not built.  Try: gem pristine http_parser.rb --version 0.6.0
Ignoring libyajl2-1.0.1 because its extensions are not built.  Try: gem pristine libyajl2 --version 1.0.1