bazel-remote: Exception thrown with bazel 6.0.0

Does not prevent a build succeeding.

java.io.IOException: io.grpc.StatusRuntimeException: CANCELLED: Cancelled by user
	at com.google.devtools.build.lib.remote.GrpcCacheClient.lambda$uploadActionResult$10(GrpcCacheClient.java:295)
	at com.google.common.util.concurrent.AbstractCatchingFuture$AsyncCatchingFuture.doFallback(AbstractCatchingFuture.java:203)
	at com.google.common.util.concurrent.AbstractCatchingFuture$AsyncCatchingFuture.doFallback(AbstractCatchingFuture.java:190)
	at com.google.common.util.concurrent.AbstractCatchingFuture.run(AbstractCatchingFuture.java:133)
	at com.google.common.util.concurrent.DirectExecutor.execute(DirectExecutor.java:31)
	at com.google.common.util.concurrent.AbstractFuture.executeListener(AbstractFuture.java:1270)
	at com.google.common.util.concurrent.AbstractFuture.complete(AbstractFuture.java:1038)
	at com.google.common.util.concurrent.AbstractFuture.setException(AbstractFuture.java:808)
	at com.google.common.util.concurrent.SettableFuture.setException(SettableFuture.java:55)
	at com.google.devtools.build.lib.remote.util.RxFutures$2.onError(RxFutures.java:257)
	at io.reactivex.rxjava3.internal.operators.single.SingleFlatMap$SingleFlatMapCallback$FlatMapSingleObserver.onError(SingleFlatMap.java:117)
	at io.reactivex.rxjava3.internal.operators.single.SingleUsing$UsingSingleObserver.onError(SingleUsing.java:180)
	at io.reactivex.rxjava3.internal.operators.single.SingleCreate$Emitter.tryOnError(SingleCreate.java:95)
	at io.reactivex.rxjava3.internal.operators.single.SingleCreate$Emitter.onError(SingleCreate.java:81)
	at com.google.devtools.build.lib.remote.util.RxFutures$OnceSingleOnSubscribe$1.onFailure(RxFutures.java:172)
	at com.google.common.util.concurrent.Futures$CallbackListener.run(Futures.java:1132)
	at com.google.common.util.concurrent.DirectExecutor.execute(DirectExecutor.java:31)
	at com.google.common.util.concurrent.AbstractFuture.executeListener(AbstractFuture.java:1270)
	at com.google.common.util.concurrent.AbstractFuture.complete(AbstractFuture.java:1038)
	at com.google.common.util.concurrent.AbstractFuture.setException(AbstractFuture.java:808)
	at io.grpc.stub.ClientCalls$GrpcFuture.setException(ClientCalls.java:563)
	at io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:533)
	at io.grpc.PartialForwardingClientCallListener.onClose(PartialForwardingClientCallListener.java:39)
	at io.grpc.ForwardingClientCallListener.onClose(ForwardingClientCallListener.java:23)
	at io.grpc.ForwardingClientCallListener$SimpleForwardingClientCallListener.onClose(ForwardingClientCallListener.java:40)
	at com.google.devtools.build.lib.remote.NetworkTimeInterceptor$NetworkTimeCall$1.onClose(NetworkTimeInterceptor.java:81)
	at io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:562)
	at io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70)
	at io.grpc.internal.ClientCallImpl$1ClosedByContext.runInContext(ClientCallImpl.java:215)
	at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37)
	at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: io.grpc.StatusRuntimeException: CANCELLED: Cancelled by user
	at io.grpc.Status.asRuntimeException(Status.java:535)
	... 13 more
Caused by: io.grpc.StatusRuntimeException: CANCELLED: Cancelled by user
	at io.grpc.Status.asRuntimeException(Status.java:526)
	at com.google.devtools.build.lib.remote.ByteStreamUploader$AsyncUpload.cancel(ByteStreamUploader.java:408)
	at com.google.devtools.build.lib.remote.ByteStreamUploader.lambda$startAsyncUpload$1(ByteStreamUploader.java:234)
	at com.google.common.util.concurrent.DirectExecutor.execute(DirectExecutor.java:31)
	at com.google.common.util.concurrent.AbstractFuture.executeListener(AbstractFuture.java:1270)
	at com.google.common.util.concurrent.AbstractFuture.complete(AbstractFuture.java:1038)
	at com.google.common.util.concurrent.AbstractFuture.setFuture(AbstractFuture.java:851)
	at com.google.common.util.concurrent.AbstractTransformFuture$AsyncTransformFuture.setResult(AbstractTransformFuture.java:232)
	at com.google.common.util.concurrent.AbstractTransformFuture$AsyncTransformFuture.setResult(AbstractTransformFuture.java:208)
	at com.google.common.util.concurrent.AbstractTransformFuture.run(AbstractTransformFuture.java:167)
	at com.google.common.util.concurrent.DirectExecutor.execute(DirectExecutor.java:31)
	at com.google.common.util.concurrent.AbstractFuture.executeListener(AbstractFuture.java:1270)
	at com.google.common.util.concurrent.AbstractFuture.complete(AbstractFuture.java:1038)
	at com.google.common.util.concurrent.AbstractFuture.set(AbstractFuture.java:783)
	at com.google.common.util.concurrent.AbstractCatchingFuture.run(AbstractCatchingFuture.java:119)
	at com.google.common.util.concurrent.DirectExecutor.execute(DirectExecutor.java:31)
	at com.google.common.util.concurrent.AbstractFuture.executeListener(AbstractFuture.java:1270)
	at com.google.common.util.concurrent.AbstractFuture.complete(AbstractFuture.java:1038)
	at com.google.common.util.concurrent.AbstractFuture.set(AbstractFuture.java:783)
	at com.google.common.util.concurrent.AbstractCatchingFuture.run(AbstractCatchingFuture.java:119)
	at com.google.common.util.concurrent.DirectExecutor.execute(DirectExecutor.java:31)
	at com.google.common.util.concurrent.AbstractFuture.executeListener(AbstractFuture.java:1270)
	at com.google.common.util.concurrent.AbstractFuture.complete(AbstractFuture.java:1038)
	at com.google.common.util.concurrent.AbstractFuture.set(AbstractFuture.java:783)
	at com.google.common.util.concurrent.SettableFuture.set(SettableFuture.java:49)
	at com.google.devtools.build.lib.remote.util.RxFutures$2.onSuccess(RxFutures.java:249)
	at io.reactivex.rxjava3.internal.operators.single.SingleFlatMap$SingleFlatMapCallback$FlatMapSingleObserver.onSuccess(SingleFlatMap.java:112)
	at io.reactivex.rxjava3.internal.operators.single.SingleUsing$UsingSingleObserver.onSuccess(SingleUsing.java:154)
	at io.reactivex.rxjava3.internal.operators.single.SingleCreate$Emitter.onSuccess(SingleCreate.java:68)
	at com.google.devtools.build.lib.remote.util.RxFutures$OnceSingleOnSubscribe$1.onSuccess(RxFutures.java:155)
	at com.google.common.util.concurrent.Futures$CallbackListener.run(Futures.java:1138)
	at com.google.common.util.concurrent.DirectExecutor.execute(DirectExecutor.java:31)
	at com.google.common.util.concurrent.AbstractFuture.executeListener(AbstractFuture.java:1270)
	at com.google.common.util.concurrent.AbstractFuture.complete(AbstractFuture.java:1038)
	at com.google.common.util.concurrent.AbstractFuture.set(AbstractFuture.java:783)
	at com.google.common.util.concurrent.SettableFuture.set(SettableFuture.java:49)
	at com.google.devtools.build.lib.remote.ByteStreamUploader$Writer.onCompleted(ByteStreamUploader.java:506)
	at io.grpc.stub.ClientCalls$StreamObserverToCallListenerAdapter.onClose(ClientCalls.java:476)
	at io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:562)
	at io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70)
	at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:743)
	at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:722)
	... 5 more