Swift Package Index

Build Information

Failed to build SwiftWebGPU, reference main (df2bc6), with Swift 6.3 for iOS using Xcode 26.4 on 18 Apr 2026 21:48:49 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SwiftWebGPU -destination generic/platform=iOS

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/1amageek/swift-webgpu.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/1amageek/swift-webgpu
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at df2bc6a Update macOS platform requirement to v13 for JavaScriptKit 0.46.4
Cloned https://github.com/1amageek/swift-webgpu.git
Revision (git rev-parse @):
df2bc6ad734c96bfe8ea03f313776233bb1c97b0
SUCCESS checkout https://github.com/1amageek/swift-webgpu.git at main
========================================
Build
========================================
Selected platform:         iOS
Swift version:             6.3
Building package at path:  $PWD
https://github.com/1amageek/swift-webgpu.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/swiftwasm/JavaScriptKit
Fetching from https://github.com/swiftlang/swift-syntax
Creating working copy of package ‘JavaScriptKit’
Checking out 0.50.2 of package ‘JavaScriptKit’
Creating working copy of package ‘swift-syntax’
Checking out 603.0.0 of package ‘swift-syntax’
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 @ 0.50.2
  SwiftWebGPU: /Users/admin/builder/spi-builder-workspace
  swift-syntax: https://github.com/swiftlang/swift-syntax @ 603.0.0
resolved source packages: JavaScriptKit, SwiftWebGPU, swift-syntax
2026-04-18 17:48:14.804 xcodebuild[528:3069] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
    {
      "identity" : "javascriptkit",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.37.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/swiftwasm/JavaScriptKit"
    }
  ],
  "manifest_display_name" : "SwiftWebGPU",
  "name" : "SwiftWebGPU",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "SwiftWebGPU",
      "targets" : [
        "SwiftWebGPU"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftWebGPUTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftWebGPUTests",
      "path" : "Tests/SwiftWebGPUTests",
      "sources" : [
        "SwiftWebGPUTests.swift"
      ],
      "target_dependencies" : [
        "SwiftWebGPU"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftWebGPU",
      "module_type" : "SwiftTarget",
      "name" : "SwiftWebGPU",
      "path" : "Sources/SwiftWebGPU",
      "product_dependencies" : [
        "JavaScriptKit",
        "JavaScriptEventLoop"
      ],
      "product_memberships" : [
        "SwiftWebGPU"
      ],
      "sources" : [
        "GPU.swift",
        "GPUAdapter.swift",
        "GPUBindGroup.swift",
        "GPUBuffer.swift",
        "GPUCanvasContext.swift",
        "GPUCommandEncoder.swift",
        "GPUDevice.swift",
        "GPUEnums.swift",
        "GPUErrors.swift",
        "GPUFlags.swift",
        "GPUQueue.swift",
        "GPURenderPassEncoder.swift",
        "GPURenderPipeline.swift",
        "GPUSampler.swift",
        "GPUShaderModule.swift",
        "GPUTexture.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.2"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "SwiftWebGPU"
    ]
  }
}
2026-04-18 17:48:29.169 xcodebuild[739:4409] [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 SwiftWebGPU -destination generic/platform=iOS
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 SwiftWebGPU -destination generic/platform=iOS
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  SwiftWebGPU: /Users/admin/builder/spi-builder-workspace
  JavaScriptKit: https://github.com/swiftwasm/JavaScriptKit @ 0.50.2
  swift-syntax: https://github.com/swiftlang/swift-syntax @ 603.0.0
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (9 targets)
    Target 'SwiftWebGPU' in project 'SwiftWebGPU'
        ➜ Explicit dependency on target 'SwiftWebGPU' in project 'SwiftWebGPU'
        ➜ Explicit dependency on target 'JavaScriptKit' in project 'JavaScriptKit'
        ➜ Explicit dependency on target 'JavaScriptEventLoop' in project 'JavaScriptKit'
    Target 'SwiftWebGPU' in project 'SwiftWebGPU'
        ➜ Explicit dependency on target 'JavaScriptKit' in project 'JavaScriptKit'
        ➜ Explicit dependency on target 'JavaScriptEventLoop' in project 'JavaScriptKit'
    Target 'JavaScriptEventLoop' in project 'JavaScriptKit'
        ➜ Explicit dependency on target 'JavaScriptEventLoop' in project 'JavaScriptKit'
        ➜ Explicit dependency on target '_CJavaScriptKit' in project 'JavaScriptKit'
        ➜ Explicit dependency on target 'BridgeJSMacros' in project 'JavaScriptKit'
        ➜ Explicit dependency on target 'JavaScriptKit' in project 'JavaScriptKit'
        ➜ Explicit dependency on target '_CJavaScriptEventLoop' in project 'JavaScriptKit'
    Target 'JavaScriptEventLoop' in project 'JavaScriptKit'
        ➜ Explicit dependency on target '_CJavaScriptKit' in project 'JavaScriptKit'
        ➜ Explicit dependency on target 'BridgeJSMacros' in project 'JavaScriptKit'
        ➜ Explicit dependency on target 'JavaScriptKit' in project 'JavaScriptKit'
        ➜ Explicit dependency on target '_CJavaScriptEventLoop' in project 'JavaScriptKit'
    Target '_CJavaScriptEventLoop' in project 'JavaScriptKit' (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/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.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 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.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: ad5ed8e7957dea20e36a5e0ed50753f7
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/ad5ed8e7957dea20e36a5e0ed50753f7.xcbuilddata
error: The package product 'JavaScriptKit' requires minimum platform version 13.0 for the iOS platform, but this target supports 12.0 (in target 'SwiftWebGPU' from project 'SwiftWebGPU')
error: The package product 'JavaScriptEventLoop' requires minimum platform version 13.0 for the iOS platform, but this target supports 12.0 (in target 'SwiftWebGPU' from project 'SwiftWebGPU')
2026-04-18 17:48:35.150 xcodebuild[791:4806] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme SwiftWebGPU
(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:
  swift-syntax: https://github.com/swiftlang/swift-syntax @ 603.0.0
  SwiftWebGPU: /Users/admin/builder/spi-builder-workspace
  JavaScriptKit: https://github.com/swiftwasm/JavaScriptKit @ 0.50.2
resolved source packages: swift-syntax, SwiftWebGPU, JavaScriptKit
2026-04-18 17:48:41.518 xcodebuild[869:5251] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
    {
      "identity" : "javascriptkit",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.37.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/swiftwasm/JavaScriptKit"
    }
  ],
  "manifest_display_name" : "SwiftWebGPU",
  "name" : "SwiftWebGPU",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "SwiftWebGPU",
      "targets" : [
        "SwiftWebGPU"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftWebGPUTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftWebGPUTests",
      "path" : "Tests/SwiftWebGPUTests",
      "sources" : [
        "SwiftWebGPUTests.swift"
      ],
      "target_dependencies" : [
        "SwiftWebGPU"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftWebGPU",
      "module_type" : "SwiftTarget",
      "name" : "SwiftWebGPU",
      "path" : "Sources/SwiftWebGPU",
      "product_dependencies" : [
        "JavaScriptKit",
        "JavaScriptEventLoop"
      ],
      "product_memberships" : [
        "SwiftWebGPU"
      ],
      "sources" : [
        "GPU.swift",
        "GPUAdapter.swift",
        "GPUBindGroup.swift",
        "GPUBuffer.swift",
        "GPUCanvasContext.swift",
        "GPUCommandEncoder.swift",
        "GPUDevice.swift",
        "GPUEnums.swift",
        "GPUErrors.swift",
        "GPUFlags.swift",
        "GPUQueue.swift",
        "GPURenderPassEncoder.swift",
        "GPURenderPipeline.swift",
        "GPUSampler.swift",
        "GPUShaderModule.swift",
        "GPUTexture.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.2"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "SwiftWebGPU"
    ]
  }
}
2026-04-18 17:48:44.950 xcodebuild[899:5434] [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 SwiftWebGPU -destination generic/platform=iOS
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 SwiftWebGPU -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
  JavaScriptKit: https://github.com/swiftwasm/JavaScriptKit @ 0.50.2
  SwiftWebGPU: /Users/admin/builder/spi-builder-workspace
  swift-syntax: https://github.com/swiftlang/swift-syntax @ 603.0.0
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (9 targets)
    Target 'SwiftWebGPU' in project 'SwiftWebGPU'
        ➜ Explicit dependency on target 'SwiftWebGPU' in project 'SwiftWebGPU'
        ➜ Explicit dependency on target 'JavaScriptKit' in project 'JavaScriptKit'
        ➜ Explicit dependency on target 'JavaScriptEventLoop' in project 'JavaScriptKit'
    Target 'SwiftWebGPU' in project 'SwiftWebGPU'
        ➜ Explicit dependency on target 'JavaScriptKit' in project 'JavaScriptKit'
        ➜ Explicit dependency on target 'JavaScriptEventLoop' in project 'JavaScriptKit'
    Target 'JavaScriptEventLoop' in project 'JavaScriptKit'
        ➜ Explicit dependency on target 'JavaScriptEventLoop' in project 'JavaScriptKit'
        ➜ Explicit dependency on target '_CJavaScriptKit' in project 'JavaScriptKit'
        ➜ Explicit dependency on target 'BridgeJSMacros' in project 'JavaScriptKit'
        ➜ Explicit dependency on target 'JavaScriptKit' in project 'JavaScriptKit'
        ➜ Explicit dependency on target '_CJavaScriptEventLoop' in project 'JavaScriptKit'
    Target 'JavaScriptEventLoop' in project 'JavaScriptKit'
        ➜ Explicit dependency on target '_CJavaScriptKit' in project 'JavaScriptKit'
        ➜ Explicit dependency on target 'BridgeJSMacros' in project 'JavaScriptKit'
        ➜ Explicit dependency on target 'JavaScriptKit' in project 'JavaScriptKit'
        ➜ Explicit dependency on target '_CJavaScriptEventLoop' in project 'JavaScriptKit'
    Target '_CJavaScriptEventLoop' in project 'JavaScriptKit' (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/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.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 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.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: ad5ed8e7957dea20e36a5e0ed50753f7
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/ad5ed8e7957dea20e36a5e0ed50753f7.xcbuilddata
error: The package product 'JavaScriptKit' requires minimum platform version 13.0 for the iOS platform, but this target supports 12.0 (in target 'SwiftWebGPU' from project 'SwiftWebGPU')
error: The package product 'JavaScriptEventLoop' requires minimum platform version 13.0 for the iOS platform, but this target supports 12.0 (in target 'SwiftWebGPU' from project 'SwiftWebGPU')
2026-04-18 17:48:48.281 xcodebuild[922:5573] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme SwiftWebGPU
(1 failure)
BUILD FAILURE 6.3 iOS