error: jobFailedWithNonzeroExitCode(6, "Assertion failed: (!Running && \"Cannot start a running timer\"), function startTimer, file /Users/buildnode/jenkins/workspace/oss-swift-package-macos/llvm-project/llvm/lib/Support/Timer.cpp, line 139.

Please submit a bug report (https://swift.org/contributing/#reporting-bugs) and include the project and the crash backtrace.\nStack dump:\n0.\tProgram arguments: /Library/Developer/Toolchains/swift-DEVELOPMENT-SNAPSHOT-2021-01-19-a.xctoolchain/usr/bin/swiftc -frontend -scan-dependencies -target x86_64-apple-macosx10.10 -enable-objc-interop -sdk /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk -I /Users/schuett/Work/swift-for-bazel-re/.build/x86_64-apple-macosx/debug -I /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -I /Users/schuett/Work/swift-for-bazel-re/.build/checkouts/swift-nio/Sources/CNIOAtomics/include -F /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -color-diagnostics -enable-testing -g -module-cache-path /Users/schuett/Work/swift-for-bazel-re/.build/x86_64-apple-macosx/debug/ModuleCache -swift-version 5 -stats-output-dir stats -Onone -D SWIFT_PACKAGE -D DEBUG -resource-dir /Library/Developer/Toolchains/swift-DEVELOPMENT-SNAPSHOT-2021-01-19-a.xctoolchain/usr/lib/swift -enable-anonymous-context-mangled-names -Xcc -fmodule-map-file=/Users/schuett/Work/swift-for-bazel-re/.build/x86_64-apple-macosx/debug/CNIOAtomics.build/module.modulemap -module-name NIOConcurrencyHelpers -target-sdk-version 11.1.0 -batch-scan-input-file /var/folders/y0/n29lr9g94s12d892pb6yg3l40000gn/T/TemporaryDirectory.d7EawE/NIOConcurrencyHelpers-batch-module-scan.json /Users/schuett/Work/swift-for-bazel-re/.build/checkouts/swift-nio/Sources/NIOConcurrencyHelpers/NIOAtomic.swift \n1.\tApple Swift version 5.4-dev (LLVM a9b8270702a974a, Swift 1d7d28206555caf)\n0 swiftc 0x00000001137b69b5 llvm::sys::PrintStackTrace(llvm::raw_ostream&) + 37\n1 swiftc 0x00000001137b5c15 llvm::sys::RunSignalHandlers() + 85\n2 swiftc 0x00000001137b6f86 SignalHandler(int) + 262\n3 libsystem_platform.dylib 0x00007fff20393d7d sigtramp + 29\n4 swiftc 0x0000000116384e92 cmark_strbufinitbuf + 204605\n5 libsystem_c.dylib 0x00007fff202a2720 abort + 120\n6 libsystem_c.dylib 0x00007fff202a19d6 err + 0\n7 swiftc 0x0000000114cacbd3 llvm::Timer::startTimer() (.cold.1) + 35\n8 swiftc 0x000000011376e2f3 llvm::Timer::startTimer() + 227\n9 swiftc 0x000000011032d6bc swift::UnifiedStatsReporter::UnifiedStatsReporter(llvm::StringRef, llvm::StringRef, llvm::StringRef, swift::SourceManager*, clang::SourceManager*, bool, bool, bool) + 604\n10 swiftc 0x000000011032db74 swift::UnifiedStatsReporter::UnifiedStatsReporter(llvm::StringRef, llvm::StringRef, llvm::StringRef, llvm::StringRef, llvm::StringRef, llvm::StringRef, llvm::StringRef, swift::SourceManager*, clang::SourceManager*, bool, bool, bool) + 180\n11 swiftc 0x000000010f1138d0 swift::CompilerInstance::setupStatsReporter() + 752\n12 swiftc 0x000000010f113bf6 swift::CompilerInstance::setup(swift::CompilerInvocation const&) + 134\n13 swiftc 0x000000010f02e5bf (anonymous namespace)::forEachBatchEntry(swift::CompilerInstance&, swift::ModuleDependenciesCache&, llvm::StringMap<std::1::pair<std::1::unique_ptr<swift::CompilerInstance, std::1::default_delete<swift::CompilerInstance> >, std::1::unique_ptr<swift::ModuleDependenciesCache, std::1::default_delete<swift::ModuleDependenciesCache> > >, llvm::MallocAllocator>, llvm::StringSaver&, std::1::vector<swift::dependencies::BatchScanInput, std::_1::allocator<swift::dependencies::BatchScanInput> > const&, llvm::function_ref<void (swift::dependencies::BatchScanInput, swift::CompilerInstance&, swift::ModuleDependenciesCache&)>) + 1071\n14 swiftc 0x000000010f02b23b swift::dependencies::batchScanDependencies(swift::CompilerInstance&, llvm::StringRef) + 459\n15 swiftc 0x000000010eff1eb2 swift::performFrontend(llvm::ArrayRef<char const>, char const*, void*, swift::FrontendObserver*) + 10658\n16 swiftc 0x000000010ef8cc32 main + 866\n17 libdyld.dylib 0x00007fff2036a621 start + 1\n18 libdyld.dylib 0x000000000000002a start + 18446603339975711242\n")