Running sstableloader on old counters (2.1.x) fails, but exit code 0

[fruch]

I guess it might be same as #37
dtest load_migrated_table_with_old_counter_default can be run to show the issue.

2019-02-12 12:04:09.367735 === sstableloader stderr ===
2019-02-12 12:04:09.368267 WARN  12:04:08,894 dclocal_read_repair_chance and read_repair_chance table options have been deprecated and will be removed in version 4.0
java.lang.RuntimeException: Local counter shard found. Data loss may occur
	at com.scylladb.tools.SSTableToCQL$RowBuilder$SetCounterEntry.apply(SSTableToCQL.java:300)
	at com.scylladb.tools.SSTableToCQL$RowBuilder.finish(SSTableToCQL.java:496)
	at com.scylladb.tools.SSTableToCQL$RowBuilder.process(SSTableToCQL.java:691)
	at com.scylladb.tools.SSTableToCQL$RowBuilder.process(SSTableToCQL.java:802)
	at com.scylladb.tools.SSTableToCQL$RowBuilder.access$500(SSTableToCQL.java:136)
	at com.scylladb.tools.SSTableToCQL.run(SSTableToCQL.java:937)
	at com.scylladb.tools.BulkLoader.process(BulkLoader.java:1498)
	at com.scylladb.tools.BulkLoader.lambda$main$1(BulkLoader.java:1336)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)

2019-02-12 12:04:09.369911 ====