IOBE in shell-sentry

[ZacSweers]

java.lang.IndexOutOfBoundsException: Element index -2 must be in range [0..34].
	at kotlin.collections.CollectionsKt__ReversedViewsKt.reverseElementIndex$CollectionsKt__ReversedViewsKt(ReversedViews.kt:65)
	at kotlin.collections.CollectionsKt__ReversedViewsKt.access$reverseElementIndex(ReversedViews.kt:1)
	at kotlin.collections.ReversedListReadOnly.get(ReversedViews.kt:13)
	at slack.cli.shellsentry.ResultProcessorKt.parseBuildScan(ResultProcessor.kt:205)
	at slack.cli.shellsentry.ResultProcessor.process$lambda$3$lambda$2(ResultProcessor.kt:71)
	at com.bugsnag.Bugsnag.notify(Bugsnag.java:471)
	at com.bugsnag.Bugsnag.notify(Bugsnag.java:395)
	at slack.cli.shellsentry.ResultProcessor.process(ResultProcessor.kt:67)
	at slack.cli.shellsentry.ShellSentry.exec(ShellSentry.kt:109)
	at slack.cli.shellsentry.ShellSentryCli.run(ShellSentryCli.kt:79)