Build Information
Failed to build OpenCombineJS, reference main (e393e6), with Swift 6.3 for tvOS using Xcode 26.4 on 12 Apr 2026 22:30:44 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 generic/platform=tvOSBuild 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: tvOS
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/swiftwasm/JavaScriptKit.git
Fetching from https://github.com/OpenCombine/OpenCombine.git
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 ‘OpenCombine’
Checking out 0.14.0 of package ‘OpenCombine’
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:
OpenCombineJS: /Users/admin/builder/spi-builder-workspace
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
resolved source packages: OpenCombineJS, OpenCombine, JavaScriptKit, swift-syntax
2026-04-12 18:30:09.858 xcodebuild[529:3079] [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 18:30:23.610 xcodebuild[796:4733] [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 generic/platform=tvOS
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 generic/platform=tvOS
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
OpenCombineJS: /Users/admin/builder/spi-builder-workspace
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
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/AppleTVOS.platform/Developer/SDKs/AppleTVOS26.4.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/AppleTVOS.platform/Developer/SDKs/AppleTVOS26.4.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/AppleTVOS.platform/Developer/SDKs/AppleTVOS26.4.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: 024ee670f5f284d702d93c3f44d0645f
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/024ee670f5f284d702d93c3f44d0645f.xcbuilddata
error: The package product 'JavaScriptKit' requires minimum platform version 13.0 for the tvOS platform, but this target supports 12.0 (in target 'OpenCombineJS' from project 'OpenCombineJS')
error: The package product 'JavaScriptKit' requires minimum platform version 13.0 for the tvOS platform, but this target supports 12.0 (in target 'OpenCombineJSExample' from project 'OpenCombineJS')
2026-04-12 18:30:29.387 xcodebuild[818:4921] [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 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:
swift-syntax: https://github.com/swiftlang/swift-syntax @ 603.0.0
JavaScriptKit: https://github.com/swiftwasm/JavaScriptKit.git @ 0.50.2
OpenCombine: https://github.com/OpenCombine/OpenCombine.git @ 0.14.0
OpenCombineJS: /Users/admin/builder/spi-builder-workspace
resolved source packages: swift-syntax, JavaScriptKit, OpenCombine, OpenCombineJS
2026-04-12 18:30:36.377 xcodebuild[893:5363] [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 18:30:39.793 xcodebuild[917:5524] [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 generic/platform=tvOS
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 generic/platform=tvOS
Resolve Package Graph
Resolved source packages:
OpenCombineJS: /Users/admin/builder/spi-builder-workspace
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
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/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/AppleTVOS.platform/Developer/SDKs/AppleTVOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS26.4.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/AppleTVOS.platform/Developer/SDKs/AppleTVOS26.4.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: 024ee670f5f284d702d93c3f44d0645f
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/024ee670f5f284d702d93c3f44d0645f.xcbuilddata
error: The package product 'JavaScriptKit' requires minimum platform version 13.0 for the tvOS platform, but this target supports 12.0 (in target 'OpenCombineJS' from project 'OpenCombineJS')
error: The package product 'JavaScriptKit' requires minimum platform version 13.0 for the tvOS platform, but this target supports 12.0 (in target 'OpenCombineJSExample' from project 'OpenCombineJS')
2026-04-12 18:30:43.153 xcodebuild[934:5646] [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 OpenCombineJS-Package
(1 failure)
BUILD FAILURE 6.3 tvOS