Resuming Externalized Checkpoint (file, async, no parallelism change) E2E test fails on Travis

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Running 'Resuming Externalized Checkpoint (file, async, no parallelism change) end-to-end test'
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TEST_DATA_DIR: /home/travis/build/apache/flink/flink-end-to-end-tests/test-scripts/temp-test-directory-08680387784
Flink dist directory: /home/travis/build/apache/flink/build-target
Starting cluster.
Starting standalonesession daemon on host travis-job-9b06ae82-c259-4d51-895c-c3439137e999.
Starting taskexecutor daemon on host travis-job-9b06ae82-c259-4d51-895c-c3439137e999.
Waiting for dispatcher REST endpoint to come up...
Waiting for dispatcher REST endpoint to come up...
Waiting for dispatcher REST endpoint to come up...
Waiting for dispatcher REST endpoint to come up...
Waiting for dispatcher REST endpoint to come up...
Dispatcher REST endpoint is up.
Running externalized checkpoints test, with ORIGINAL_DOP=2 NEW_DOP=2 and STATE_BACKEND_TYPE=file STATE_BACKEND_FILE_ASYNC=true STATE_BACKEND_ROCKSDB_INCREMENTAL=true SIMULATE_FAILURE=false ...
Job (6eb020e02667feb4fd69b2b29be2a9ec) is running.
Waiting for job (6eb020e02667feb4fd69b2b29be2a9ec) to have at least 1 completed checkpoints ...
Waiting for job to process up to 200 records, current progress: 93 records ...
Waiting for job to process up to 200 records, current progress: 146 records ...
Cancelling job 6eb020e02667feb4fd69b2b29be2a9ec.
Cancelled job 6eb020e02667feb4fd69b2b29be2a9ec.
Restoring job with externalized checkpoint at /home/travis/build/apache/flink/flink-end-to-end-tests/test-scripts/temp-test-directory-08680387784/externalized-chckpt-e2e-backend-dir/6eb020e02667feb4fd69b2b29be2a9ec/chk-9 ...
Job (7604e7773d1f7b54b8b1c8655704aa86) is running.
Waiting for job to process up to 200 records, current progress: 195 records ...
Checking for errors...
Found error in log files:

2019-12-16 11:51:30,518 WARN  org.apache.flink.streaming.runtime.tasks.StreamTask           - Error while canceling task.
java.lang.IllegalStateException: Released
	at org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.getNextBufferOrEvent(SingleInputGate.java:483)
	at org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate.pollNext(SingleInputGate.java:474)
	at org.apache.flink.runtime.taskmanager.InputGateWithMetrics.pollNext(InputGateWithMetrics.java:75)
	at org.apache.flink.streaming.runtime.io.CheckpointedInputGate.pollNext(CheckpointedInputGate.java:125)
	at org.apache.flink.streaming.runtime.io.StreamTaskNetworkInput.emitNext(StreamTaskNetworkInput.java:133)
	at org.apache.flink.streaming.runtime.io.StreamOneInputProcessor.processInput(StreamOneInputProcessor.java:69)
	at org.apache.flink.streaming.runtime.tasks.StreamTask.processInput(StreamTask.java:311)
	at org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:187)
	at org.apache.flink.streaming.runtime.tasks.StreamTask.runMailboxLoop(StreamTask.java:488)
	at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:470)
	at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:702)
	at org.apache.flink.runtime.taskmanager.Task.run(Task.java:527)
	at java.lang.Thread.run(Thread.java:748)