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Build Information

Failed to build OpenCombineJS, reference main (e393e6), with Swift 6.3 for macOS (Xcode) using Xcode 26.4 on 12 Apr 2026 22:30:50 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme OpenCombineJS-Package -destination platform=macOS,arch=arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/swiftwasm/OpenCombineJS.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swiftwasm/OpenCombineJS
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at e393e6d Update to v2 of Contributor Covenant in shared GitHub repo (#7)
Cloned https://github.com/swiftwasm/OpenCombineJS.git
Revision (git rev-parse @):
e393e6d449511615ea5445b04f4b97dc6e5fb141
SUCCESS checkout https://github.com/swiftwasm/OpenCombineJS.git at main
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             6.3
Building package at path:  $PWD
https://github.com/swiftwasm/OpenCombineJS.git
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/OpenCombine/OpenCombine.git
Fetching from https://github.com/swiftwasm/JavaScriptKit.git
Fetching from https://github.com/swiftlang/swift-syntax
Creating working copy of package ‘swift-syntax’
Checking out 603.0.0 of package ‘swift-syntax’
Creating working copy of package ‘OpenCombine’
Checking out 0.14.0 of package ‘OpenCombine’
Creating working copy of package ‘JavaScriptKit’
Checking out 0.50.2 of package ‘JavaScriptKit’
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/603.0.0/swiftlang-6.3.0.123.5-macosx26.4-MacroSupport.zip
Resolve Package Graph
Resolved source packages:
  JavaScriptKit: https://github.com/swiftwasm/JavaScriptKit.git @ 0.50.2
  OpenCombine: https://github.com/OpenCombine/OpenCombine.git @ 0.14.0
  swift-syntax: https://github.com/swiftlang/swift-syntax @ 603.0.0
  OpenCombineJS: /Users/admin/builder/spi-builder-workspace
resolved source packages: JavaScriptKit, OpenCombine, swift-syntax, OpenCombineJS
2026-04-12 18:30:17.464 xcodebuild[529:3068] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
    {
      "identity" : "javascriptkit",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.13.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/swiftwasm/JavaScriptKit.git"
    },
    {
      "identity" : "opencombine",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.13.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/OpenCombine/OpenCombine.git"
    }
  ],
  "manifest_display_name" : "OpenCombineJS",
  "name" : "OpenCombineJS",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "OpenCombineJSExample",
      "targets" : [
        "OpenCombineJSExample"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "OpenCombineJS",
      "targets" : [
        "OpenCombineJS"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "OpenCombineJSExample",
      "module_type" : "SwiftTarget",
      "name" : "OpenCombineJSExample",
      "path" : "Sources/OpenCombineJSExample",
      "product_memberships" : [
        "OpenCombineJSExample"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "OpenCombineJS"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "OpenCombineJS",
      "module_type" : "SwiftTarget",
      "name" : "OpenCombineJS",
      "path" : "Sources/OpenCombineJS",
      "product_dependencies" : [
        "JavaScriptKit",
        "OpenCombine"
      ],
      "product_memberships" : [
        "OpenCombineJSExample",
        "OpenCombineJS"
      ],
      "sources" : [
        "JSPromise.swift",
        "JSScheduler.swift",
        "JSValueDecoder.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "OpenCombineJS",
      "OpenCombineJS-Package",
      "OpenCombineJSExample"
    ]
  }
}
2026-04-12 18:30:30.397 xcodebuild[799:4806] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme OpenCombineJS-Package -destination platform=macOS,arch=arm64
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme OpenCombineJS-Package -destination platform=macOS,arch=arm64
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  OpenCombineJS: /Users/admin/builder/spi-builder-workspace
  JavaScriptKit: https://github.com/swiftwasm/JavaScriptKit.git @ 0.50.2
  swift-syntax: https://github.com/swiftlang/swift-syntax @ 603.0.0
  OpenCombine: https://github.com/OpenCombine/OpenCombine.git @ 0.14.0
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (10 targets)
    Target 'OpenCombineJSExample' in project 'OpenCombineJS'
        ➜ Explicit dependency on target 'OpenCombineJS' in project 'OpenCombineJS'
        ➜ Explicit dependency on target 'JavaScriptKit' in project 'JavaScriptKit'
        ➜ Explicit dependency on target 'OpenCombine' in project 'OpenCombine'
    Target 'OpenCombineJS' in project 'OpenCombineJS'
        ➜ Explicit dependency on target 'OpenCombineJS' in project 'OpenCombineJS'
        ➜ Explicit dependency on target 'JavaScriptKit' in project 'JavaScriptKit'
        ➜ Explicit dependency on target 'OpenCombine' in project 'OpenCombine'
    Target 'OpenCombineJS' in project 'OpenCombineJS'
        ➜ Explicit dependency on target 'JavaScriptKit' in project 'JavaScriptKit'
        ➜ Explicit dependency on target 'OpenCombine' in project 'OpenCombine'
    Target 'OpenCombine' in project 'OpenCombine'
        ➜ Explicit dependency on target 'OpenCombine' in project 'OpenCombine'
        ➜ Explicit dependency on target 'COpenCombineHelpers' in project 'OpenCombine'
    Target 'OpenCombine' in project 'OpenCombine'
        ➜ Explicit dependency on target 'COpenCombineHelpers' in project 'OpenCombine'
    Target 'COpenCombineHelpers' in project 'OpenCombine' (no dependencies)
    Target 'JavaScriptKit' in project 'JavaScriptKit'
        ➜ Explicit dependency on target 'JavaScriptKit' in project 'JavaScriptKit'
        ➜ Explicit dependency on target '_CJavaScriptKit' in project 'JavaScriptKit'
        ➜ Explicit dependency on target 'BridgeJSMacros' in project 'JavaScriptKit'
    Target 'JavaScriptKit' in project 'JavaScriptKit'
        ➜ Explicit dependency on target '_CJavaScriptKit' in project 'JavaScriptKit'
        ➜ Explicit dependency on target 'BridgeJSMacros' in project 'JavaScriptKit'
    Target 'BridgeJSMacros' in project 'JavaScriptKit' (no dependencies)
    Target '_CJavaScriptKit' in project 'JavaScriptKit' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.4.sdk -x c++ -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ReadFileContents /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
Build description signature: 15d84034f77c039dfb7d55eea7916745
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/15d84034f77c039dfb7d55eea7916745.xcbuilddata
error: The package product 'JavaScriptKit' requires minimum platform version 13.0 for the macOS platform, but this target supports 10.13 (in target 'OpenCombineJS' from project 'OpenCombineJS')
error: The package product 'JavaScriptKit' requires minimum platform version 13.0 for the macOS platform, but this target supports 10.13 (in target 'OpenCombineJSExample' from project 'OpenCombineJS')
2026-04-12 18:30:35.834 xcodebuild[820:4973] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:a92ad6d24dbdf4058377bea3a57c82d54003512a, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:a92ad6d24dbdf4058377bea3a57c82d54003512a, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:a92ad6d24dbdf4058377bea3a57c82d54003512a, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:a92ad6d24dbdf4058377bea3a57c82d54003512a, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme OpenCombineJS-Package
(1 failure)
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  OpenCombine: https://github.com/OpenCombine/OpenCombine.git @ 0.14.0
  JavaScriptKit: https://github.com/swiftwasm/JavaScriptKit.git @ 0.50.2
  swift-syntax: https://github.com/swiftlang/swift-syntax @ 603.0.0
  OpenCombineJS: /Users/admin/builder/spi-builder-workspace
resolved source packages: OpenCombine, JavaScriptKit, swift-syntax, OpenCombineJS
2026-04-12 18:30:42.674 xcodebuild[891:5398] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
    {
      "identity" : "javascriptkit",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.13.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/swiftwasm/JavaScriptKit.git"
    },
    {
      "identity" : "opencombine",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.13.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/OpenCombine/OpenCombine.git"
    }
  ],
  "manifest_display_name" : "OpenCombineJS",
  "name" : "OpenCombineJS",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "OpenCombineJSExample",
      "targets" : [
        "OpenCombineJSExample"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "OpenCombineJS",
      "targets" : [
        "OpenCombineJS"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "OpenCombineJSExample",
      "module_type" : "SwiftTarget",
      "name" : "OpenCombineJSExample",
      "path" : "Sources/OpenCombineJSExample",
      "product_memberships" : [
        "OpenCombineJSExample"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "OpenCombineJS"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "OpenCombineJS",
      "module_type" : "SwiftTarget",
      "name" : "OpenCombineJS",
      "path" : "Sources/OpenCombineJS",
      "product_dependencies" : [
        "JavaScriptKit",
        "OpenCombine"
      ],
      "product_memberships" : [
        "OpenCombineJSExample",
        "OpenCombineJS"
      ],
      "sources" : [
        "JSPromise.swift",
        "JSScheduler.swift",
        "JSValueDecoder.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "OpenCombineJS",
      "OpenCombineJS-Package",
      "OpenCombineJSExample"
    ]
  }
}
2026-04-12 18:30:46.176 xcodebuild[915:5564] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme OpenCombineJS-Package -destination platform=macOS,arch=arm64
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme OpenCombineJS-Package -destination platform=macOS,arch=arm64
Resolve Package Graph
Resolved source packages:
  JavaScriptKit: https://github.com/swiftwasm/JavaScriptKit.git @ 0.50.2
  OpenCombineJS: /Users/admin/builder/spi-builder-workspace
  swift-syntax: https://github.com/swiftlang/swift-syntax @ 603.0.0
  OpenCombine: https://github.com/OpenCombine/OpenCombine.git @ 0.14.0
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (10 targets)
    Target 'OpenCombineJSExample' in project 'OpenCombineJS'
        ➜ Explicit dependency on target 'OpenCombineJS' in project 'OpenCombineJS'
        ➜ Explicit dependency on target 'JavaScriptKit' in project 'JavaScriptKit'
        ➜ Explicit dependency on target 'OpenCombine' in project 'OpenCombine'
    Target 'OpenCombineJS' in project 'OpenCombineJS'
        ➜ Explicit dependency on target 'OpenCombineJS' in project 'OpenCombineJS'
        ➜ Explicit dependency on target 'JavaScriptKit' in project 'JavaScriptKit'
        ➜ Explicit dependency on target 'OpenCombine' in project 'OpenCombine'
    Target 'OpenCombineJS' in project 'OpenCombineJS'
        ➜ Explicit dependency on target 'JavaScriptKit' in project 'JavaScriptKit'
        ➜ Explicit dependency on target 'OpenCombine' in project 'OpenCombine'
    Target 'OpenCombine' in project 'OpenCombine'
        ➜ Explicit dependency on target 'OpenCombine' in project 'OpenCombine'
        ➜ Explicit dependency on target 'COpenCombineHelpers' in project 'OpenCombine'
    Target 'OpenCombine' in project 'OpenCombine'
        ➜ Explicit dependency on target 'COpenCombineHelpers' in project 'OpenCombine'
    Target 'COpenCombineHelpers' in project 'OpenCombine' (no dependencies)
    Target 'JavaScriptKit' in project 'JavaScriptKit'
        ➜ Explicit dependency on target 'JavaScriptKit' in project 'JavaScriptKit'
        ➜ Explicit dependency on target '_CJavaScriptKit' in project 'JavaScriptKit'
        ➜ Explicit dependency on target 'BridgeJSMacros' in project 'JavaScriptKit'
    Target 'JavaScriptKit' in project 'JavaScriptKit'
        ➜ Explicit dependency on target '_CJavaScriptKit' in project 'JavaScriptKit'
        ➜ Explicit dependency on target 'BridgeJSMacros' in project 'JavaScriptKit'
    Target 'BridgeJSMacros' in project 'JavaScriptKit' (no dependencies)
    Target '_CJavaScriptKit' in project 'JavaScriptKit' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.4.sdk -x c++ -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ReadFileContents /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
Build description signature: 15d84034f77c039dfb7d55eea7916745
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/15d84034f77c039dfb7d55eea7916745.xcbuilddata
error: The package product 'JavaScriptKit' requires minimum platform version 13.0 for the macOS platform, but this target supports 10.13 (in target 'OpenCombineJS' from project 'OpenCombineJS')
error: The package product 'JavaScriptKit' requires minimum platform version 13.0 for the macOS platform, but this target supports 10.13 (in target 'OpenCombineJSExample' from project 'OpenCombineJS')
2026-04-12 18:30:49.258 xcodebuild[932:5686] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:a92ad6d24dbdf4058377bea3a57c82d54003512a, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:a92ad6d24dbdf4058377bea3a57c82d54003512a, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:a92ad6d24dbdf4058377bea3a57c82d54003512a, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:a92ad6d24dbdf4058377bea3a57c82d54003512a, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme OpenCombineJS-Package
(1 failure)
BUILD FAILURE 6.3 macosXcodebuild