Show any unexpected failures

def failures():
    """Show any unexpected failures"""
    if not HAVE_BIN_LIBS:
        click.echo("missing required binary libs (lz4, msgpack)")
        return

    q = Queue('failed', connection=worker.connection)
    for i in q.get_job_ids():
        j = q.job_class.fetch(i, connection=q.connection)
        click.echo("%s on %s" % (j.func_name, j.origin))
        if not j.func_name.endswith('process_keyset'):
            click.echo("params %s %s" % (j._args, j._kwargs))
        click.echo(j.exc_info)