The use enom, so their domain is in holding atm, so only the owner can renew it. They will mostlikely have to pay ~135$ is it is considered in a redemption period.
Enom does offer an auto renewal option, but its an option, not a default.
Domain Name:RUBYONRAILS.ORG
Created On:19-Apr-2004 22:40:29 UTC
Last Updated On:23-Apr-2009 00:07:53 UTC
Expiration Date:19-Apr-2010 22:40:29 UTC
Sponsoring Registrar:eNom, Inc. (R39-LROR)
Status:CLIENT TRANSFER PROHIBITED
Status:AUTORENEWPERIOD