The problem here is the debian/rules clean is run using sudo on the failing buildd's, yet your package creates files and directories in clean target. Please don't do that, clean is meant to _clean_ the build directories, not to regenerate autotools files...
-- "rm -rf" only sounds scary if you don't have backups -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]