Build Information
Failed to build DataSource, reference master (921f9b), with Swift 6.3 for watchOS using Xcode 26.4 on 14 Apr 2026 13:52:54 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme DataSource -destination generic/platform=watchOSBuild Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/allaboutapps/DataSource.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/allaboutapps/DataSource
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 921f9b9 Fixed crash when scrolling tableView with VoiceOver enabled (#42)
Cloned https://github.com/allaboutapps/DataSource.git
Revision (git rev-parse @):
921f9b92afb587b5a99361f631d41838ad261501
SUCCESS checkout https://github.com/allaboutapps/DataSource.git at master
========================================
Build
========================================
Selected platform: watchOS
Swift version: 6.3
Building package at path: $PWD
https://github.com/allaboutapps/DataSource.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/tonyarnold/Differ
Creating working copy of package ‘Differ’
Checking out 1.4.5 of package ‘Differ’
Resolved source packages:
Differ: https://github.com/tonyarnold/Differ @ 1.4.5
resolved source packages: Differ
{
"dependencies" : [
{
"identity" : "differ",
"requirement" : {
"range" : [
{
"lower_bound" : "1.4.3",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/tonyarnold/Differ.git"
}
],
"manifest_display_name" : "DataSource",
"name" : "DataSource",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "10.12"
},
{
"name" : "ios",
"version" : "11.0"
},
{
"name" : "tvos",
"version" : "11.0"
},
{
"name" : "watchos",
"version" : "3.0"
}
],
"products" : [
{
"name" : "DataSource",
"targets" : [
"DataSource"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"swift_languages_versions" : [
"5"
],
"targets" : [
{
"c99name" : "DataSourceTests",
"module_type" : "SwiftTarget",
"name" : "DataSourceTests",
"path" : "DataSourceTests",
"sources" : [
"ConcurrentReloadSelectTest.swift"
],
"target_dependencies" : [
"DataSource"
],
"type" : "test"
},
{
"c99name" : "DataSource",
"module_type" : "SwiftTarget",
"name" : "DataSource",
"path" : "DataSource",
"product_dependencies" : [
"Differ"
],
"product_memberships" : [
"DataSource"
],
"sources" : [
"AutoRegisterCell.swift",
"CellDescriptor.swift",
"DataSource+Diff.swift",
"DataSource+UITableViewDataSource.swift",
"DataSource+UITableViewDataSourcePrefetching.swift",
"DataSource+UITableViewDelegate.swift",
"DataSource.swift",
"Diffable.swift",
"Row.swift",
"Section.swift",
"SectionDescriptor.swift",
"SeparatedSection/SeparatedSection.swift",
"SeparatedSection/SeparatorCustomViewViewModel.swift",
"SeparatedSection/SeparatorLineCell.swift",
"SeparatedSection/SeparatorLineViewModel.swift",
"UITableViewExtensions.swift",
"Utilities/UIView+AutoLayout.swift"
],
"type" : "library"
}
],
"tools_version" : "5.0"
}
{
"project" : {
"configurations" : [
"Debug",
"Release"
],
"name" : "DataSource",
"schemes" : [
"DataSource",
"DataSourceTests",
"Example"
],
"targets" : [
"Example",
"DataSource",
"DataSourceTests"
]
}
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"DataSource"
]
}
}
2026-04-14 09:52:46.760 xcodebuild[659:3974] [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 DataSource -destination generic/platform=watchOS
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 DataSource -destination generic/platform=watchOS
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
Differ: https://github.com/tonyarnold/Differ @ 1.4.5
DataSource: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (4 targets)
Target 'DataSource' in project 'DataSource'
➜ Explicit dependency on target 'DataSource' in project 'DataSource'
➜ Explicit dependency on target 'Differ' in project 'Differ'
Target 'DataSource' in project 'DataSource'
➜ Explicit dependency on target 'Differ' in project 'Differ'
Target 'Differ' in project 'Differ'
➜ Explicit dependency on target 'Differ' in project 'Differ'
Target 'Differ' in project 'Differ' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
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/WatchOS.platform/Developer/SDKs/WatchOS26.4.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/ld -version_details
Build description signature: 19fef2ace58934b8dfc74db8d3674ee0
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/19fef2ace58934b8dfc74db8d3674ee0.xcbuilddata
error: The package product 'Differ' requires minimum platform version 5.0 for the watchOS platform, but this target supports 4.0 (in target 'DataSource' from project 'DataSource')
2026-04-14 09:52:49.048 xcodebuild[669:4045] [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 DataSource
(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:
Differ: https://github.com/tonyarnold/Differ @ 1.4.5
DataSource: /Users/admin/builder/spi-builder-workspace
resolved source packages: Differ, DataSource
2026-04-14 09:52:51.233 xcodebuild[692:4199] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
{
"identity" : "differ",
"requirement" : {
"range" : [
{
"lower_bound" : "1.4.3",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/tonyarnold/Differ.git"
}
],
"manifest_display_name" : "DataSource",
"name" : "DataSource",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "10.12"
},
{
"name" : "ios",
"version" : "11.0"
},
{
"name" : "tvos",
"version" : "11.0"
},
{
"name" : "watchos",
"version" : "3.0"
}
],
"products" : [
{
"name" : "DataSource",
"targets" : [
"DataSource"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"swift_languages_versions" : [
"5"
],
"targets" : [
{
"c99name" : "DataSourceTests",
"module_type" : "SwiftTarget",
"name" : "DataSourceTests",
"path" : "DataSourceTests",
"sources" : [
"ConcurrentReloadSelectTest.swift"
],
"target_dependencies" : [
"DataSource"
],
"type" : "test"
},
{
"c99name" : "DataSource",
"module_type" : "SwiftTarget",
"name" : "DataSource",
"path" : "DataSource",
"product_dependencies" : [
"Differ"
],
"product_memberships" : [
"DataSource"
],
"sources" : [
"AutoRegisterCell.swift",
"CellDescriptor.swift",
"DataSource+Diff.swift",
"DataSource+UITableViewDataSource.swift",
"DataSource+UITableViewDataSourcePrefetching.swift",
"DataSource+UITableViewDelegate.swift",
"DataSource.swift",
"Diffable.swift",
"Row.swift",
"Section.swift",
"SectionDescriptor.swift",
"SeparatedSection/SeparatedSection.swift",
"SeparatedSection/SeparatorCustomViewViewModel.swift",
"SeparatedSection/SeparatorLineCell.swift",
"SeparatedSection/SeparatorLineViewModel.swift",
"UITableViewExtensions.swift",
"Utilities/UIView+AutoLayout.swift"
],
"type" : "library"
}
],
"tools_version" : "5.0"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"DataSource"
]
}
}
2026-04-14 09:52:52.529 xcodebuild[701:4258] [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 DataSource -destination generic/platform=watchOS
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 DataSource -destination generic/platform=watchOS
Resolve Package Graph
Resolved source packages:
Differ: https://github.com/tonyarnold/Differ @ 1.4.5
DataSource: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (4 targets)
Target 'DataSource' in project 'DataSource'
➜ Explicit dependency on target 'DataSource' in project 'DataSource'
➜ Explicit dependency on target 'Differ' in project 'Differ'
Target 'DataSource' in project 'DataSource'
➜ Explicit dependency on target 'Differ' in project 'Differ'
Target 'Differ' in project 'Differ'
➜ Explicit dependency on target 'Differ' in project 'Differ'
Target 'Differ' in project 'Differ' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
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/WatchOS.platform/Developer/SDKs/WatchOS26.4.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/ld -version_details
Build description signature: 19fef2ace58934b8dfc74db8d3674ee0
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/19fef2ace58934b8dfc74db8d3674ee0.xcbuilddata
error: The package product 'Differ' requires minimum platform version 5.0 for the watchOS platform, but this target supports 4.0 (in target 'DataSource' from project 'DataSource')
2026-04-14 09:52:53.481 xcodebuild[703:4286] [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 DataSource
(1 failure)
BUILD FAILURE 6.3 watchOS