delayed_job_config.rb

module Delayed
  class Worker
    alias_method :original_handle_failed_job, :handle_failed_job

    protected
    def handle_failed_job(job, error)
      say "Error Intercepted by Hoptoad..."
      HoptoadNotifier.notify(error)
      original_handle_failed_job(job,error)
    end
  end
end