Bundler 1.4.0.pre.1, set parallel install to 2
Bundler 1.4.0.pre.1, set parallel install to 2

Scalingo/ruby-buildpack,teodor-pripoae/heroku-buildpack-ruby,dieze/heroku-buildpack-ruby-hooks,electricobjects/heroku-buildpack-ruby,erintherad/heroku-buildpack-ruby,pietrop/heroku-buildpack-ruby,takii/db2rubybuildpack,awebneck/heroku-buildpack-canvas,CPPWind/ruby-buildpack,cloudControl/buildpack-ruby,aarongray/heroku-buildpack-ruby,takii/db2rubybuildpack,bskyb-commerce/help-heroku-buildpack,ruby/heroku-buildpack-www-ruby-lang,Git-Host/prelang-buildpack,instacart/heroku-buildpack-ruby,gbenedict/heroku-buildpack-ruby,ndbroadbent/heroku-buildpack-turbo-sprockets,jumptvs/BP_Ruby,cordata/heroku-buildpack-ruby,leonardykris/mos-ruby-buildpack,gls1/heroku-buildpack-ruby-pdftk,blueapron/heroku-buildpack-ruby,redhotvengeance/heroku-buildpack-deep-thought,zidekmat/buildpack-ruby,Scalingo/ruby-buildpack,0x00evil/heroku-buildpack-ruby,Jonty/ruby-buildpack,dtao/deft-buildpack-ruby,shuber/heroku-buildpack-ruby,barakav/heroku-buildpack-ruby,righi/instacart-heroku-buildpack,iamjarvo/ruby-buildpack,recursecenter/heroku-buildpack-ruby,dlorson/gentle-buildpack,gls1/heroku-buildpack-ruby-pdftk,vhx/heroku-buildpack,lyoshenka/heroku-buildpack-ruby-jekyll,Micka33/heroku-buildpack-ruby-liblua,ekaranto/rails4-bluemix-buildpack,CPPWind/ruby-buildpack,sky-uk/help-heroku-buildpack,instacart/heroku-buildpack-ruby,bskyb-commerce/ruby-buildpack,bskyb-commerce/ruby-buildpack,Jonty/ruby-buildpack,orlando/heroku-buildpack-ruby,Altoros/ruby-buildpack,dleavitt/heroku-buildpack-ruby,mattmanning/heroku-buildpack-ruby-jekyll,tenjikinc/heroku-buildpack-ruby,hixi/heroku-buildpack-ruby,mattwalters/heroku-buildpack-ruby,sstelfox/buildpack-ruby,DigitalInnovation/heroku-buildpack-mslabs,Git-Host/prelang-buildpack,dtao/teeny-buildpack,bellycard/heroku-buildpack-ruby,mperejda/heroku-buildpack-ruby,mintybit/heroku-buildpack-ruby,hatofmonkeys/ruby-testing-buildpack,DigitalInnovation/heroku-buildpack-mslabs,zoomer/heroku-buildpack-ruby-bower,dlorson/gentle-buildpack,mperejda/heroku-buildpack-ruby,ndbroadbent/heroku-buildpack-turbo-sprockets,gls1/heroku-buildpack-ruby-pdftk-new,orenyk/heroku-buildpack-ruby,hpcloud/ruby-buildpack,jumptvs/BP_Ruby,engineyard/heroku-buildpack-ruby,bskyb-commerce/help-heroku-buildpack,sky-uk/ruby-buildpack,redhotvengeance/heroku-buildpack-deep-thought,stefansundin/heroku-buildpack-ruby,cloudfoundry/ruby-buildpack,erintherad/heroku-buildpack-ruby,cloudn/buildpack-ruby,hatofmonkeys/ruby-testing-buildpack,ibmdb/db2rubybuildpack,tenjikinc/heroku-buildpack-ruby,mrhenry/heroku-buildpack-ruby,tpope/heroku-buildpack-ruby-tpope,amaltson/heroku-buildpack-ruby,fcruxen/ruby-buildpack,CPPWind/ruby-buildpack,ericboehs/heroku-buildpack-ruby,stolt45/heroku-buildpack-ruby-with-sqlite3,pkgr/heroku-buildpack-ruby,0x00evil/heroku-buildpack-ruby,fcruxen/ruby-buildpack,guidance-guarantee-programme/heroku-buildpack-princexml-old,ilpoldo/heroku-buildpack-ruby,tomwolfe/heroku-buildpack-gsl-ruby,catalyzeio/buildpack-ruby,donnykurnia/heroku-buildpack-ruby,daltonrenaldo/heroku-buildpack-ruby,heroku/heroku-buildpack-ruby,iamjarvo/ruby-buildpack,jasonlevens/heroku-buildpack-ruby,takii/db2rubybuildpack,pkgr/heroku-buildpack-ruby,makifund/heroku-buildpack-ruby,heroku/heroku-buildpack-ruby,d-reinhold/cf-buildpack-ruby,Altoros/ruby-buildpack,pietrop/heroku-buildpack-ruby,diasks2/heroku-buildpack-mecab,anay/buildpack-ruby-with-oracle-jdk,jgable/buildpack-ruby-rack-setup-tasks,donnykurnia/heroku-buildpack-ruby,cloudControl/buildpack-ruby,mattwalters/heroku-buildpack-ruby,vhx/heroku-buildpack,scottatron/moc-buildpack,codykrieger/heroku-buildpack-jekyll,cloudfoundry/ruby-buildpack,cloudfoundry/ruby-buildpack,derrek/heroku-buildpack-ruby,dieze/heroku-buildpack-ruby-hooks,derrek/heroku-buildpack-ruby,andycroll/heroku-buildpack-jekyll,d-reinhold/cf-buildpack-ruby,samfrench/heroku-buildpack-ruby,teodor-pripoae/heroku-buildpack-ruby,rowanoulton/heroku-buildpack-ruby,righi/instacart-heroku-buildpack,takii/heroku-buildpack-ruby,ablease/custom-buildpack,Jonty/ruby-buildpack,packetmonkey/heroku-buildpack-ruby,jgable/buildpack-ruby-rack-setup-tasks,icelab/heroku-buildpack-ruby,hellojustin/heroku-buildpack-custom-ruby,sky-uk/ruby-buildpack,swipesense/heroku-buildpack-ruby,swipesense/heroku-buildpack-ruby,dleavitt/heroku-buildpack-ruby,musicglue/heroku-buildpack-ruby,wakermahmud/heroku-buildpack-jekyll,tdenovan/heroku-buildpack-ruby,hellojustin/heroku-buildpack-custom-ruby,beydogan/ruby-buildpack,DouglasAllen/heroku-buildpack-ruby,guidance-guarantee-programme/heroku-buildpack-princexml-old,schu/heroku-buildpack-ruby,markaschneider/heroku-buildpack-ruby-ffmpeg-sox,zunda/heroku-buildpack-ruby,Nedomas/heroku-buildpack-ruby-minus-node-with-node-paths,markaschneider/heroku-buildpack-ruby-ffmpeg-sox,reesio/heroku-buildpack-ruby,sstelfox/buildpack-ruby,jonseaberg/heroku-buildpack-turbo-sprockets,cloudn/buildpack-ruby,bskyb-commerce/ruby-buildpack,hixi/heroku-buildpack-ruby,zoomer/heroku-buildpack-ruby-bower,stolt45/heroku-buildpack-ruby-with-sqlite3,ericboehs/heroku-buildpack-ruby,d-reinhold/cf-buildpack-ruby,cloudn/buildpack-ruby,ablease/custom-buildpack,codykrieger/heroku-buildpack-jekyll,HYPERHYPER/heroku-buildpack-ruby,zidekmat/buildpack-ruby,bwaite-jaroop/heroku-buildpack-ruby,ekaranto/rails4-bluemix-buildpack,jumptvs/BP_Ruby,Altoros/ruby-buildpack,ericroberts/heroku-buildpack-ruby,allomov/fat-free-heroku-buildpack-ruby,ascot21/heroku-buildpack-turbo-sprockets,jonseaberg/heroku-buildpack-turbo-sprockets,ascot21/heroku-buildpack-turbo-sprockets,bwaite-jaroop/heroku-buildpack-ruby,orlando/heroku-buildpack-ruby,hpcloud/ruby-buildpack,simonnordberg/heroku-buildpack-ruby,wakermahmud/heroku-buildpack-jekyll,daltonrenaldo/heroku-buildpack-ruby,rvizza/heroku-buildpack-gsl-ruby,brightbytes/heroku-buildpack-ruby-without-assets-precompile,stefansundin/heroku-buildpack-ruby,fgbreel/heroku-buildpack-ruby,iamjarvo/ruby-buildpack,anay/buildpack-ruby-with-oracle-jdk,qstream/heroku-buildpack-ruby,jumptvs/BP_Ruby,electricobjects/heroku-buildpack-ruby,sky-uk/help-heroku-buildpack,DyegoCosta/heroku-buildpack-ruby,hpcloud/ruby-buildpack,ibmdb/db2rubybuildpack,DyegoCosta/heroku-buildpack-ruby,ChefSteps/heroku-buildpack-ruby,leonardykris/mos-ruby-buildpack,cordata/heroku-buildpack-ruby,fcruxen/ruby-buildpack,ablease/custom-buildpack,ilpoldo/heroku-buildpack-ruby,samfrench/heroku-buildpack-ruby,scottatron/moc-buildpack,Altoros/ruby-buildpack,cloudn/buildpack-ruby,blueapron/heroku-buildpack-ruby,ibmdb/db2rubybuildpack,fgbreel/heroku-buildpack-ruby,engineyard/heroku-buildpack-ruby,moneyadviceservice/heroku-buildpack-ruby-bowndler,bellycard/heroku-buildpack-ruby,cloudfoundry/ruby-buildpack,shuber/heroku-buildpack-ruby,HYPERHYPER/heroku-buildpack-ruby,fcruxen/ruby-buildpack,icelab/heroku-buildpack-ruby,pilotcreative/heroku-buildpack-ruby,sky-uk/ruby-buildpack,hatofmonkeys/ruby-testing-buildpack,dtao/teeny-buildpack,ekaranto/rails4-bluemix-buildpack,michaelphines/alexa-nest,space150/heroku-buildpack-ruby,CPPWind/ruby-buildpack,barakav/heroku-buildpack-ruby,ltrademark/heroku-buildpack-ruby,gls1/heroku-buildpack-ruby-pdftk-new,zunda/heroku-buildpack-ruby,qnyp/heroku-buildpack-ruby-bower,cmaggard/heroku-buildpack-turbo-sprockets,simonnordberg/heroku-buildpack-ruby,qnyp/heroku-buildpack-ruby-bower,allomov/fat-free-heroku-buildpack-ruby,trumaker/heroku-buildpack-turbo-sprockets,space150/heroku-buildpack-ruby,jonasoberschweiber/heroku-buildpack-ruby,cmaggard/heroku-buildpack-turbo-sprockets,catalyzeio/buildpack-ruby,ekaranto/rails4-bluemix-buildpack,michaelphines/alexa-nest,packetmonkey/heroku-buildpack-ruby,orenyk/heroku-buildpack-ruby,Jonty/ruby-buildpack,Genius/heroku-buildpack-ruby,cloudfoundry/ruby-buildpack,iamjarvo/ruby-buildpack,schu/buildpack-testing,mintybit/heroku-buildpack-ruby,tomwolfe/heroku-buildpack-gsl-ruby,jasonlevens/heroku-buildpack-ruby,Micka33/heroku-buildpack-ruby-liblua,jayshreeanand/heroku-buildpack-ruby,rvizza/heroku-buildpack-gsl-ruby,KoanHealth/heroku-buildpack-marvin-setup,gbenedict/heroku-buildpack-ruby,musicglue/heroku-buildpack-ruby,brightbytes/heroku-buildpack-ruby-without-assets-precompile,ltrademark/heroku-buildpack-ruby,rowanoulton/heroku-buildpack-ruby,takii/db2rubybuildpack,mattmanning/heroku-buildpack-ruby-jekyll,pilotcreative/heroku-buildpack-ruby,schu/heroku-buildpack-ruby,qstream/heroku-buildpack-ruby,diasks2/heroku-buildpack-mecab,tdenovan/heroku-buildpack-ruby,moneyadviceservice/heroku-buildpack-ruby-bowndler,bskyb-commerce/ruby-buildpack,schu/buildpack-testing,KoanHealth/heroku-buildpack-marvin-setup,hpcloud/ruby-buildpack,crdschurch/heroku-buildpack-ruby,tpope/heroku-buildpack-ruby-tpope,lyoshenka/heroku-buildpack-ruby-jekyll,ChefSteps/heroku-buildpack-ruby,Dim25/heroku-buildpack-ruby-GSL,Nedomas/heroku-buildpack-ruby-minus-node-with-node-paths,dtao/deft-buildpack-ruby,Dim25/heroku-buildpack-ruby-GSL,DouglasAllen/heroku-buildpack-ruby,jayshreeanand/heroku-buildpack-ruby,ablease/custom-buildpack,beydogan/ruby-buildpack,awebneck/heroku-buildpack-canvas,sky-uk/ruby-buildpack,andycroll/heroku-buildpack-jekyll,amaltson/heroku-buildpack-ruby,jonasoberschweiber/heroku-buildpack-ruby,takii/heroku-buildpack-ruby,Genius/heroku-buildpack-ruby,mrhenry/heroku-buildpack-ruby,ericroberts/heroku-buildpack-ruby,crdschurch/heroku-buildpack-ruby,recursecenter/heroku-buildpack-ruby,trumaker/heroku-buildpack-turbo-sprockets,makifund/heroku-buildpack-ruby,aarongray/heroku-buildpack-ruby,reesio/heroku-buildpack-ruby