Couldn't build file <target>-descriptor-set.proto.bin: Generating Descriptor Set proto_library <target> failed due to unexpected I/O exception: /private/var/tmp/_bazel_<user>/b6b989c6d3681c6cb6a4a268dfbe97f5/execroot/__main__/bazel-out/<cpu>/bin/<package>/_virtual_imports/<target name>/<relative .proto path with stripped prefix> (Not a directory)
--
  | java.io.IOException: /private/var/tmp/_bazel_<user>/b6b989c6d3681c6cb6a4a268dfbe97f5/execroot/__main__/bazel-out/<cpu>/bin/<package>/_virtual_imports/<target name>/<relative .proto path with stripped prefix> (Not a directory)
  | at com.google.devtools.build.lib.unix.NativePosixFiles.readdir(Native Method)
  | at com.google.devtools.build.lib.unix.NativePosixFiles.readdir(NativePosixFiles.java:283)
  | at com.google.devtools.build.lib.unix.UnixFileSystem.readdir(UnixFileSystem.java:160)
  | at com.google.devtools.build.lib.vfs.Path.readdir(Path.java:384)
  | at com.google.devtools.build.lib.remote.merkletree.DirectoryTreeBuilder.explodeDirectory(DirectoryTreeBuilder.java:135)
  | at com.google.devtools.build.lib.remote.merkletree.DirectoryTreeBuilder.explodeDirectory(DirectoryTreeBuilder.java:128)
  | at com.google.devtools.build.lib.remote.merkletree.DirectoryTreeBuilder.fromActionInputs(DirectoryTreeBuilder.java:99)
  | at com.google.devtools.build.lib.remote.merkletree.DirectoryTreeBuilder.fromActionInputs(DirectoryTreeBuilder.java:47)
  | at com.google.devtools.build.lib.remote.merkletree.MerkleTree.build(MerkleTree.java:123)
  | at com.google.devtools.build.lib.remote.RemoteSpawnCache.lookup(RemoteSpawnCache.java:130)
  | at com.google.devtools.build.lib.exec.AbstractSpawnStrategy.exec(AbstractSpawnStrategy.java:117)
  | at com.google.devtools.build.lib.exec.AbstractSpawnStrategy.exec(AbstractSpawnStrategy.java:87)
  | at com.google.devtools.build.lib.actions.SpawnActionContext.beginExecution(SpawnActionContext.java:41)
  | at com.google.devtools.build.lib.exec.ProxySpawnActionContext.beginExecution(ProxySpawnActionContext.java:60)
  | at com.google.devtools.build.lib.analysis.actions.SpawnAction.beginExecution(SpawnAction.java:332)
  | at com.google.devtools.build.lib.actions.Action.execute(Action.java:123)
  | at com.google.devtools.build.lib.skyframe.SkyframeActionExecutor$4.execute(SkyframeActionExecutor.java:905)
  | at com.google.devtools.build.lib.skyframe.SkyframeActionExecutor$ActionRunner.continueAction(SkyframeActionExecutor.java:1040)
  | at com.google.devtools.build.lib.skyframe.SkyframeActionExecutor$ActionRunner.run(SkyframeActionExecutor.java:1011)
  | at com.google.devtools.build.lib.skyframe.ActionExecutionState.runStateMachine(ActionExecutionState.java:116)
  | at com.google.devtools.build.lib.skyframe.ActionExecutionState.getResultOrDependOnFuture(ActionExecutionState.java:77)
  | at com.google.devtools.build.lib.skyframe.SkyframeActionExecutor.executeAction(SkyframeActionExecutor.java:589)
  | at com.google.devtools.build.lib.skyframe.ActionExecutionFunction.checkCacheAndExecuteIfNeeded(ActionExecutionFunction.java:902)
  | at com.google.devtools.build.lib.skyframe.ActionExecutionFunction.compute(ActionExecutionFunction.java:292)
  | at com.google.devtools.build.skyframe.AbstractParallelEvaluator$Evaluate.run(AbstractParallelEvaluator.java:454)
  | at com.google.devtools.build.lib.concurrent.AbstractQueueVisitor$WrappedRunnable.run(AbstractQueueVisitor.java:399)
  | at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
  | at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
  | at java.base/java.lang.Thread.run(Unknown Source)