See 
<https://builds.apache.org/job/beam_PostCommit_Python_VR_Flink/115/display/redirect>

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[grpc-default-executor-0] INFO sdk_worker.run - No more requests from control 
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channels.
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[grpc-default-executor-1] INFO sdk_worker_main.main - Python sdk harness 
exiting.
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WARN org.apache.beam.sdk.fn.data.BeamFnDataGrpcMultiplexer - Hanged up for 
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[assert_that/Group/GroupByKey -> 
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WARN org.apache.beam.runners.fnexecution.control.JobBundleFactoryBase - Error 
cleaning up environment url: 
"jenkins-docker-apache.bintray.io/beam/python:latest"
urn: "beam:env:docker:v1"
payload: "\n3jenkins-docker-apache.bintray.io/beam/python:latest"

java.lang.IllegalStateException: call already closed
        at 
org.apache.beam.vendor.guava.v20.com.google.common.base.Preconditions.checkState(Preconditions.java:444)
        at 
org.apache.beam.vendor.grpc.v1.io.grpc.internal.ServerCallImpl.close(ServerCallImpl.java:172)
        at 
org.apache.beam.vendor.grpc.v1.io.grpc.stub.ServerCalls$ServerCallStreamObserverImpl.onCompleted(ServerCalls.java:358)
        at 
org.apache.beam.runners.fnexecution.state.GrpcStateService.close(GrpcStateService.java:54)
        at 
org.apache.beam.runners.fnexecution.GrpcFnServer.close(GrpcFnServer.java:83)
        at 
org.apache.beam.runners.fnexecution.control.JobBundleFactoryBase$WrappedSdkHarnessClient.$closeResource(JobBundleFactoryBase.java:327)
        at 
org.apache.beam.runners.fnexecution.control.JobBundleFactoryBase$WrappedSdkHarnessClient.close(JobBundleFactoryBase.java:327)
        at 
org.apache.beam.runners.fnexecution.control.JobBundleFactoryBase.lambda$createEnvironmentCache$0(JobBundleFactoryBase.java:147)
        at 
org.apache.beam.repackaged.beam_runners_java_fn_execution.com.google.common.cache.LocalCache.processPendingNotifications(LocalCache.java:1963)
        at 
org.apache.beam.repackaged.beam_runners_java_fn_execution.com.google.common.cache.LocalCache$Segment.runUnlockedCleanup(LocalCache.java:3562)
        at 
org.apache.beam.repackaged.beam_runners_java_fn_execution.com.google.common.cache.LocalCache$Segment.postWriteCleanup(LocalCache.java:3538)
        at 
org.apache.beam.repackaged.beam_runners_java_fn_execution.com.google.common.cache.LocalCache$Segment.clear(LocalCache.java:3309)
        at 
org.apache.beam.repackaged.beam_runners_java_fn_execution.com.google.common.cache.LocalCache.clear(LocalCache.java:4322)
        at 
org.apache.beam.repackaged.beam_runners_java_fn_execution.com.google.common.cache.LocalCache$LocalManualCache.invalidateAll(LocalCache.java:4937)
        at 
org.apache.beam.runners.fnexecution.control.JobBundleFactoryBase.close(JobBundleFactoryBase.java:185)
        at 
org.apache.beam.runners.flink.translation.functions.FlinkDefaultExecutableStageContext.close(FlinkDefaultExecutableStageContext.java:46)
        at 
org.apache.beam.runners.flink.translation.functions.ReferenceCountingFlinkExecutableStageContextFactory$WrappedContext.closeActual(ReferenceCountingFlinkExecutableStageContextFactory.java:185)
        at 
org.apache.beam.runners.flink.translation.functions.ReferenceCountingFlinkExecutableStageContextFactory$WrappedContext.access$200(ReferenceCountingFlinkExecutableStageContextFactory.java:161)
        at 
org.apache.beam.runners.flink.translation.functions.ReferenceCountingFlinkExecutableStageContextFactory.release(ReferenceCountingFlinkExecutableStageContextFactory.java:149)
        at 
org.apache.beam.runners.flink.translation.functions.ReferenceCountingFlinkExecutableStageContextFactory.scheduleRelease(ReferenceCountingFlinkExecutableStageContextFactory.java:109)
        at 
org.apache.beam.runners.flink.translation.functions.ReferenceCountingFlinkExecutableStageContextFactory.access$300(ReferenceCountingFlinkExecutableStageContextFactory.java:40)
        at 
org.apache.beam.runners.flink.translation.functions.ReferenceCountingFlinkExecutableStageContextFactory$WrappedContext.close(ReferenceCountingFlinkExecutableStageContextFactory.java:181)
        at 
org.apache.beam.runners.flink.translation.wrappers.streaming.ExecutableStageDoFnOperator.$closeResource(ExecutableStageDoFnOperator.java:187)
        at 
org.apache.beam.runners.flink.translation.wrappers.streaming.ExecutableStageDoFnOperator.close(ExecutableStageDoFnOperator.java:202)
        at 
org.apache.flink.streaming.runtime.tasks.StreamTask.closeAllOperators(StreamTask.java:438)
        at 
org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:323)
        at org.apache.flink.runtime.taskmanager.Task.run(Task.java:712)
        at java.lang.Thread.run(Thread.java:748)
[assert_that/Group/GroupByKey -> 
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INFO org.apache.flink.runtime.taskmanager.Task - assert_that/Group/GroupByKey 
-> 42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 
(2/16) (a832b5f952aa360194137840157068dc) switched from RUNNING to FINISHED.
[assert_that/Group/GroupByKey -> 
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INFO org.apache.flink.runtime.taskmanager.Task - Freeing task resources for 
assert_that/Group/GroupByKey -> 
42assert_that/Group/GroupByKey/GroupByWindow.None/beam:env:docker:v1:0 (2/16) 
(a832b5f952aa360194137840157068dc).
[assert_that/Group/GroupByKey -> 
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INFO org.apache.flink.runtime.taskmanager.Task - Ensuring all FileSystem 
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(a832b5f952aa360194137840157068dc) [FINISHED]
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a832b5f952aa360194137840157068dc.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - 
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[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.executiongraph.ExecutionGraph - Job 
test_windowing_1537747871.72 (0e16d376025cb7707eaf9b1e2d1e4390) switched from 
state RUNNING to FINISHED.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.checkpoint.CheckpointCoordinator - Stopping checkpoint 
coordinator for job 0e16d376025cb7707eaf9b1e2d1e4390.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.checkpoint.StandaloneCompletedCheckpointStore - 
Shutting down
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Job 
0e16d376025cb7707eaf9b1e2d1e4390 reached globally terminal state FINISHED.
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.jobmaster.JobMaster - Stopping the JobMaster for job 
test_windowing_1537747871.72(0e16d376025cb7707eaf9b1e2d1e4390).
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Close JobManager 
connection for job 0e16d376025cb7707eaf9b1e2d1e4390.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Suspending SlotPool.
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.jobmaster.JobMaster - Close ResourceManager connection 
316656b60787a61d30086b7561c25061: JobManager is shutting down..
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Disconnect 
job manager a1547dfe984306053b81f71775804186@akka://flink/user/jobmanager_39 
for job 0e16d376025cb7707eaf9b1e2d1e4390 from the resource manager.
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.rpc.akka.AkkaRpcActor - The rpc endpoint 
org.apache.flink.runtime.jobmaster.slotpool.SlotPool has not been started yet. 
Discarding message org.apache.flink.runtime.rpc.messages.LocalRpcInvocation 
until processing is started.
[flink-runner-job-server] INFO org.apache.flink.runtime.minicluster.MiniCluster 
- Shutting down Flink Mini Cluster
[flink-akka.actor.default-dispatcher-3] INFO 
org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Stopping SlotPool.
[flink-runner-job-server] INFO 
org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Shutting down rest 
endpoint.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopping dispatcher 
akka://flink/user/dispatcher976fb03f-5c79-4eae-bf8e-44c7d2e0b836.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopping all 
currently running jobs of dispatcher 
akka://flink/user/dispatcher976fb03f-5c79-4eae-bf8e-44c7d2e0b836.
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - JobManager for job 
0e16d376025cb7707eaf9b1e2d1e4390 with leader id 
a1547dfe984306053b81f71775804186 lost leadership.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Closing the 
SlotManager.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Suspending 
the SlotManager.
[flink-akka.actor.default-dispatcher-4] INFO 
org.apache.flink.runtime.resourcemanager.slotmanager.SlotManager - Unregister 
TaskManager 713216a1491cfd0d5f6186b0f76b3ee6 from the SlotManager.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:1, state:ALLOCATED, resource profile: 
ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, 
nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{b93eca648b5cac7edc55106da27d9d70}, jobId: 
0e16d376025cb7707eaf9b1e2d1e4390).
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:8, state:ALLOCATED, resource profile: 
ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, 
nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{b5a4ef4581fe5cdd7455ec4d328e0fbb}, jobId: 
0e16d376025cb7707eaf9b1e2d1e4390).
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:11, state:ALLOCATED, resource profile: 
ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, 
nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{c45a1fd22af13df0aa5d5905766791e1}, jobId: 
0e16d376025cb7707eaf9b1e2d1e4390).
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:15, state:ALLOCATED, resource profile: 
ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, 
nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{d10368c3d3dbac04f507d9f2ab964980}, jobId: 
0e16d376025cb7707eaf9b1e2d1e4390).
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:14, state:ALLOCATED, resource profile: 
ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, 
nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{3e78a4b08a794b42079d8bd154295272}, jobId: 
0e16d376025cb7707eaf9b1e2d1e4390).
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:7, state:ALLOCATED, resource profile: 
ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, 
nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{aa224276168a8188b34f56ba7a0af344}, jobId: 
0e16d376025cb7707eaf9b1e2d1e4390).
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:12, state:ALLOCATED, resource profile: 
ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, 
nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{db959a5c0bab3c5e0ec574bcd8dc6cfd}, jobId: 
0e16d376025cb7707eaf9b1e2d1e4390).
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:0, state:ALLOCATED, resource profile: 
ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, 
nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{8ef4871642b77cf69926d387e3866716}, jobId: 
0e16d376025cb7707eaf9b1e2d1e4390).
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:10, state:ALLOCATED, resource profile: 
ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, 
nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{18a2856c4eac90c445f5cf7510ad80b1}, jobId: 
0e16d376025cb7707eaf9b1e2d1e4390).
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:9, state:ALLOCATED, resource profile: 
ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, 
nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{b72482f78288f98d19b1c0371e0353c3}, jobId: 
0e16d376025cb7707eaf9b1e2d1e4390).
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:13, state:ALLOCATED, resource profile: 
ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, 
nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{5b718134b834db25f0a8c3585b52d27e}, jobId: 
0e16d376025cb7707eaf9b1e2d1e4390).
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:2, state:ALLOCATED, resource profile: 
ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, 
nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{feb1fd8f65551a9c54e979d20f6c3120}, jobId: 
0e16d376025cb7707eaf9b1e2d1e4390).
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.rest.handler.legacy.backpressure.StackTraceSampleCoordinator
 - Shutting down stack trace sample coordinator.
[flink-akka.actor.default-dispatcher-5] INFO 
org.apache.flink.runtime.dispatcher.StandaloneDispatcher - Stopped dispatcher 
akka://flink/user/dispatcher976fb03f-5c79-4eae-bf8e-44c7d2e0b836.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:4, state:ALLOCATED, resource profile: 
ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, 
nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{1af2b56febaa8e05b0aadbd4b043a5dc}, jobId: 
0e16d376025cb7707eaf9b1e2d1e4390).
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:5, state:ALLOCATED, resource profile: 
ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, 
nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{6703e50ee98f3f50fea50472ccfd0e07}, jobId: 
0e16d376025cb7707eaf9b1e2d1e4390).
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:3, state:ALLOCATED, resource profile: 
ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, 
nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{de1645fb5590c9bbb00cdcd64710c7b2}, jobId: 
0e16d376025cb7707eaf9b1e2d1e4390).
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.slot.TaskSlotTable - Free slot 
TaskSlot(index:6, state:ALLOCATED, resource profile: 
ResourceProfile{cpuCores=1.0, heapMemoryInMB=42, directMemoryInMB=0, 
nativeMemoryInMB=0, networkMemoryInMB=0}, allocationId: 
AllocationID{b48ccb82804ba538f5d8b2ef1384830e}, jobId: 
0e16d376025cb7707eaf9b1e2d1e4390).
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.JobLeaderService - Remove job 
0e16d376025cb7707eaf9b1e2d1e4390 from job leader monitoring.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Close JobManager 
connection for job 0e16d376025cb7707eaf9b1e2d1e4390.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopping TaskExecutor 
akka://flink/user/taskmanager_38.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.state.TaskExecutorLocalStateStoresManager - Shutting 
down TaskExecutorLocalStateStoresManager.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.io.disk.iomanager.IOManager - I/O manager removed 
spill file directory /tmp/flink-io-791afab6-8224-4969-8777-5482c398675a
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.io.network.NetworkEnvironment - Shutting down the 
network environment and its components.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.JobLeaderService - Stop job leader 
service.
[ForkJoinPool.commonPool-worker-9] INFO 
org.apache.flink.runtime.dispatcher.DispatcherRestEndpoint - Removing cache 
directory /tmp/flink-web-ui
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.taskexecutor.TaskExecutor - Stopped TaskExecutor 
akka://flink/user/taskmanager_38.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.rpc.akka.AkkaRpcService - Stopping Akka RPC service.
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.blob.PermanentBlobCache - Shutting down BLOB cache
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.blob.TransientBlobCache - Shutting down BLOB cache
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.blob.BlobServer - Stopped BLOB server at 0.0.0.0:43043
[flink-akka.actor.default-dispatcher-2] INFO 
org.apache.flink.runtime.rpc.akka.AkkaRpcService - Stopped Akka RPC service.
[flink-runner-job-server] INFO org.apache.beam.runners.flink.FlinkRunner - 
Execution finished in 1869 msecs
[flink-runner-job-server] INFO org.apache.beam.runners.flink.FlinkRunner - 
Final accumulator values:
[flink-runner-job-server] INFO org.apache.beam.runners.flink.FlinkRunner - 
__metricscontainers : 
org.apache.beam.runners.core.metrics.MetricsContainerStepMap@a585f6a2
.
----------------------------------------------------------------------
Ran 24 tests in 74.956s

OK (skipped=6)
:beam-sdks-python:flinkCompatibilityMatrixStreaming (Thread[Task worker for ':' 
Thread 10,5,main]) completed. Took 1 mins 17.024 secs.

FAILURE: Build failed with an exception.

* Where:
Build file 
'<https://builds.apache.org/job/beam_PostCommit_Python_VR_Flink/ws/src/sdks/python/build.gradle'>
 line: 340

* What went wrong:
Execution failed for task ':beam-sdks-python:flinkCompatibilityMatrixBatch'.
> Process 'command 'sh'' finished with non-zero exit value 139

* Try:
Run with --stacktrace option to get the stack trace. Run with --debug option to 
get more log output. Run with --scan to get full insights.

* Get more help at https://help.gradle.org

Deprecated Gradle features were used in this build, making it incompatible with 
Gradle 5.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See 
https://docs.gradle.org/4.10.2/userguide/command_line_interface.html#sec:command_line_warnings

BUILD FAILED in 11m 6s
59 actionable tasks: 54 executed, 4 from cache, 1 up-to-date

Publishing build scan...
https://gradle.com/s/z4vevt6ipnyv4

Build step 'Invoke Gradle script' changed build result to FAILURE
Build step 'Invoke Gradle script' marked build as failure

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