Understanding a LUCI build failure

2 out of 3 aggregated steps failed: Step('\n\n, errno = 32)\n03:40 +11: test/integration.shard/debug_adapter/flutter_adapter_test.dart: launch sends progress notifications during hot restart\nFailed to delete C:\\b\\s\\w\\ir\\x\\t\\flutter_flutter_adapter_test.2b335b26: PathAccessException: Deletion failed, path = 'C:\\b\\s\\w\\ir\\x\\t\\flutter_flutter_adapter_test.2b335b26' (OS Error: The process cannot access the file because it is being used by another process.\n, errno = 32)\n04:03 +12: test/integration.shard/debug_adapter/flutter_adapter_test.dart: launch correctly outputs exceptions in noDebug mode\nFailed to delete C:\\b\\s\\w\\ir\\x\\t\\flutter_flutter_adapter_test.739f8ade: PathAccessException: Deletion failed, path = 'C:\\b\\s\\w\\ir\\x\\t\\flutter_flutter_adapter_test.739f8ade' (OS Error: The process cannot access the file because it is being used by another process.\n, errno = 32)\n04:25 +13: test/integration.shard/debug_adapter/flutter_adapter_test.dart: launch can run and terminate a Flutter app in noDebug mode\n04:47 +14: test/integration.shard/debug_adapter/flutter_adapter_test.dart: launch provides appStarted events to the client\nFailed to delete C:\\b\\s\\w\\ir\\x\\t\\flutter_flutter_adapter_test.58beeed7: PathAccessException: Deletion failed, path = 'C:\\b\\s\\w\\ir\\x\\t\\flutter_flutter_adapter_test.58beeed7' (OS Error: The process cannot access the file because it is being used by another process.\n, errno = 32)\n05:10 +15: test/integration.shard/debug_adapter/flutter_adapter_test.dart: launch outputs useful message on invalid DAP protocol messages\n05:12 +16: test/integration.shard/debug_adapter/flutter_adapter_test.dart: attach resumes and removes breakpoints on detach\nFailed to delete C:\\b\\s\\w\\ir\\x\\t\\flutter_flutter_adapter_test.b71c08c3: PathAccessException: Deletion failed, path = 'C:\\b\\s\\w\\ir\\x\\t\\flutter_flutter_adapter_test.b71c08c3' (OS Error: The process cannot access the file because it is being used by another process.\n, errno = 32)\n05:51 +17: test/integration.shard/debug_adapter/flutter_adapter_test.dart: attach can attach to an already-running Flutter app and hit breakpoints\nFailed to delete C:\\b\\s\\w\\ir\\x\\t\\flutter_flutter_adapter_test.d72e3c6d: PathAccessException: Deletion failed, path = 'C:\\b\\s\\w\\ir\\x\\t\\flutter_flutter_adapter_test.d72e3c6d' (OS Error: The process cannot access the file because it is being used by another process.\n, errno = 32)\n06:31 +18: test/integration.shard/debug_adapter/flutter_adapter_test.dart: attach can attach to an already-running Flutter app and reload\nFailed to delete C:\\b\\s\\w\\ir\\x\\t\\flutter_flutter_adapter_test.17c76e7c: PathAccessException: Deletion failed, path = 'C:\\b\\s\\w\\ir\\x\\t\\flutter_flutter_adapter_test.17c76e7c' (OS Error: The process cannot access the file because it is being used by another process.\n, errno = 32)\n07:10 +19: test/integration.shard/debug_adapter/flutter_adapter_test.dart: (tearDownAll)\n07:10 +19: test/integration.shard/debug_adapter/test_adapter_test.dart: (setUpAll)\n07:10 +19: test/integration.shard/debug_adapter/test_adapter_test.dart: widget tests can run a single test\nFailed to delete C:\\b\\s\\w\\ir\\x\\t\\flutter_flutter_test_adapter_test.f3e8bb9e: PathAccessException: Deletion failed, path = 'C:\\b\\s\\w\\ir\\x\\t\\flutter_flutter_test_adapter_test.f3e8bb9e' (OS Error: The process cannot access the file because it is being used by another process.\n, errno = 32)\n07:33 +20: test/integration.shard/debug_adapter/test_adapter_test.dart: widget tests can run in noDebug mode\nTerminate batch job (Y/N)? \n') (canceled) (retcode: 3221225786), Infra Failure: Step('Killing Processes.stop gradle daemon') (canceled) (retcode: None)
Pull request merged