Traceur fails when using retry

TraceurRetryFailureShowcase.kt

class TraceurRetryFailureShowcase {

    @Test
    fun usingRetryWithTraceurFails() {

        Traceur.enableLogging()

        val publishSubject = PublishSubject.create<Int>()
        val errors = mutableListOf<Throwable>()

        publishSubject
                .flatMap { Observable.error<Any>(RuntimeException()) }
                .doOnError { errors.add(it) }
                .retry()
                .subscribe()

        publishSubject.onNext(1)
        publishSubject.onNext(2)

        Assert.assertEquals(2, errors.size)
    }

    @Test
    fun usingRetryWithoutTraceurPasses() {

//        Traceur.enableLogging()

        val publishSubject = PublishSubject.create<Int>()
        val errors = mutableListOf<Throwable>()

        publishSubject
                .flatMap { Observable.error<Any>(RuntimeException()) }
                .doOnError { errors.add(it) }
                .retry()
                .subscribe()

        publishSubject.onNext(1)
        publishSubject.onNext(2)

        Assert.assertEquals(2, errors.size)
    }
}