note: Using new build system note: Building targets in parallel note: Planning build note: Constructing build description Build system information error: Multiple commands produce '/Users/omochi/work/swift-source/build/Xcode-ReleaseAssert+swift-DebugAssert/swift-macosx-x86_64/Debug/lib/libBlocksRuntime.dylib': 1) Target 'BlocksRuntimeStub-macosx-arm64' has link command with output '/Users/omochi/work/swift-source/build/Xcode-ReleaseAssert+swift-DebugAssert/swift-macosx-x86_64/Debug/lib/libBlocksRuntime.dylib' 2) Target 'BlocksRuntimeStub-macosx-arm64e' has link command with output '/Users/omochi/work/swift-source/build/Xcode-ReleaseAssert+swift-DebugAssert/swift-macosx-x86_64/Debug/lib/libBlocksRuntime.dylib' 3) Target 'BlocksRuntimeStub-macosx-x86_64' has link command with output '/Users/omochi/work/swift-source/build/Xcode-ReleaseAssert+swift-DebugAssert/swift-macosx-x86_64/Debug/lib/libBlocksRuntime.dylib'