if err != nil {
			return toObjectErr(err, bucket, object)
		}
	}
	traceFn := globalLifecycleSys.trace(fi.ToObjectInfo(bucket, object, opts.Versioned || opts.VersionSuspended))

	destObj, err := genTransitionObjName(bucket)
	if err != nil {
		traceFn(ILMTransition, nil, err)
		return err
	}

	pr, pw := xioutil.WaitPipe()
	go func() {