Handle case when custom class for the job does not support the #to_h …

…method

lib/bugsnag/delayed_job.rb

@@ -33,7 +33,12 @@ def error(job, error)
               p[:id]           = payload.id           if payload.respond_to?(:id)
               p[:display_name] = payload.display_name if payload.respond_to?(:display_name)
               p[:method_name]  = payload.method_name  if payload.respond_to?(:method_name)
-              p[:args]         = payload.respond_to?(:args) ? payload.args : payload.to_h
+
+              if payload.respond_to?(:args)
+                p[:args] = payload.args
+              elsif payload.respond_to?(:to_h)
+                p[:args] = payload.to_h
+              end
 
               if payload.is_a?(::Delayed::PerformableMethod) && (object = payload.object)
                 p[:object] = {