Allow Rubinius builds to fail
Allow Rubinius builds to fail

The interpreter randomly crashes on Travis

Galeria-Kaufhof/cequel,maxpospischil/cequel,edpaget/cequel,antek-drzewiecki/cequel,lesliev/cequel,visfleet/cequel,cequel/cequel,shaqonline/cequel,AdStage/cequel,elgalu/cequel,shaqonline/cequel,Galeria-Kaufhof/cequel,jhannus/cequel,lesliev/cequelb,devnut/cequel,lesliev/cequel,antek-drzewiecki/cequel,maxpospischil/cequel,edpaget/cequel,elgalu/cequel,bobbrez/cequel,orenmazor/cequel,zenonas/cequel,bobbrez/cequel,visfleet/cequel,jhannus/cequel,AdStage/cequel,orenmazor/cequel,devnut/cequel,lesliev/cequelb,cequel/cequel,zenonas/cequel