An error occurred while installing linecache19 (0.5.12), and Bundler cannot continue.
Make sure that `gem install linecache19 -v ‘0.5.12’` succeeds before bundling.
sudo gem install linecache19 -v '0.5.12'
Building native extensions. This could take a while…
Successfully installed linecache19-0.5.12
1 gem installed
This will really take time (almost 10-15 minutes). So be patient. Do some other tasks meanwhile.