Swift Package IndexBuild Information
Failed to build UnifiedLogHandler, reference master (7b4bfa), with Swift 6.3 for watchOS using Xcode 26.4 on 10 Apr 2026 17:53:28 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme UnifiedLogHandler -destination generic/platform=watchOSBuild Log
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RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/gonzalezreal/UnifiedLogging.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/gonzalezreal/UnifiedLogging
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 7b4bfa2 Add LICENSE
Cloned https://github.com/gonzalezreal/UnifiedLogging.git
Revision (git rev-parse @):
7b4bfa24ba7af8ff819d777cf7acc22450ca68b6
SUCCESS checkout https://github.com/gonzalezreal/UnifiedLogging.git at master
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Build
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Selected platform: watchOS
Swift version: 6.3
Building package at path: $PWD
https://github.com/gonzalezreal/UnifiedLogging.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/apple/swift-log
Creating working copy of package ‘swift-log’
Checking out 1.11.0 of package ‘swift-log’
Resolve Package Graph
Resolved source packages:
swift-log: https://github.com/apple/swift-log @ 1.11.0
UnifiedLogHandler: /Users/admin/builder/spi-builder-workspace
resolved source packages: swift-log, UnifiedLogHandler
2026-04-10 13:53:13.094 xcodebuild[525:3029] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
{
"identity" : "swift-log",
"requirement" : {
"range" : [
{
"lower_bound" : "1.2.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-log"
}
],
"manifest_display_name" : "UnifiedLogHandler",
"name" : "UnifiedLogHandler",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "10.12"
},
{
"name" : "ios",
"version" : "10.0"
},
{
"name" : "tvos",
"version" : "10.0"
},
{
"name" : "watchos",
"version" : "3.0"
}
],
"products" : [
{
"name" : "UnifiedLogHandler",
"targets" : [
"UnifiedLogHandler"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "UnifiedLogHandlerTests",
"module_type" : "SwiftTarget",
"name" : "UnifiedLogHandlerTests",
"path" : "Tests/UnifiedLogHandlerTests",
"sources" : [
"LogFormatterTest.swift",
"XCTestManifests.swift"
],
"target_dependencies" : [
"UnifiedLogHandler"
],
"type" : "test"
},
{
"c99name" : "UnifiedLogHandler",
"module_type" : "SwiftTarget",
"name" : "UnifiedLogHandler",
"path" : "Sources/UnifiedLogHandler",
"product_dependencies" : [
"Logging"
],
"product_memberships" : [
"UnifiedLogHandler"
],
"sources" : [
"LogFormatter.swift",
"UnifiedLogHandler.swift"
],
"type" : "library"
}
],
"tools_version" : "5.1"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"UnifiedLogHandler"
]
}
}
2026-04-10 13:53:20.743 xcodebuild[659:3957] [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 UnifiedLogHandler -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 UnifiedLogHandler -destination generic/platform=watchOS
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
UnifiedLogHandler: /Users/admin/builder/spi-builder-workspace
swift-log: https://github.com/apple/swift-log @ 1.11.0
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (4 targets)
Target 'UnifiedLogHandler' in project 'UnifiedLogHandler'
➜ Explicit dependency on target 'UnifiedLogHandler' in project 'UnifiedLogHandler'
➜ Explicit dependency on target 'Logging' in project 'swift-log'
Target 'UnifiedLogHandler' in project 'UnifiedLogHandler'
➜ Explicit dependency on target 'Logging' in project 'swift-log'
Target 'Logging' in project 'swift-log'
➜ Explicit dependency on target 'Logging' in project 'swift-log'
Target 'Logging' in project 'swift-log' (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
ReadFileContents /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
Build description signature: 4a87e782814ce498c7f7c8658b7bdb28
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/4a87e782814ce498c7f7c8658b7bdb28.xcbuilddata
error: The package product 'Logging' requires minimum platform version 5.0 for the watchOS platform, but this target supports 4.0 (in target 'UnifiedLogHandler' from project 'UnifiedLogHandler')
2026-04-10 13:53:22.938 xcodebuild[663:4012] [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 UnifiedLogHandler
(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-log: https://github.com/apple/swift-log @ 1.11.0
UnifiedLogHandler: /Users/admin/builder/spi-builder-workspace
resolved source packages: swift-log, UnifiedLogHandler
2026-04-10 13:53:25.201 xcodebuild[686:4162] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
{
"identity" : "swift-log",
"requirement" : {
"range" : [
{
"lower_bound" : "1.2.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-log"
}
],
"manifest_display_name" : "UnifiedLogHandler",
"name" : "UnifiedLogHandler",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "10.12"
},
{
"name" : "ios",
"version" : "10.0"
},
{
"name" : "tvos",
"version" : "10.0"
},
{
"name" : "watchos",
"version" : "3.0"
}
],
"products" : [
{
"name" : "UnifiedLogHandler",
"targets" : [
"UnifiedLogHandler"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "UnifiedLogHandlerTests",
"module_type" : "SwiftTarget",
"name" : "UnifiedLogHandlerTests",
"path" : "Tests/UnifiedLogHandlerTests",
"sources" : [
"LogFormatterTest.swift",
"XCTestManifests.swift"
],
"target_dependencies" : [
"UnifiedLogHandler"
],
"type" : "test"
},
{
"c99name" : "UnifiedLogHandler",
"module_type" : "SwiftTarget",
"name" : "UnifiedLogHandler",
"path" : "Sources/UnifiedLogHandler",
"product_dependencies" : [
"Logging"
],
"product_memberships" : [
"UnifiedLogHandler"
],
"sources" : [
"LogFormatter.swift",
"UnifiedLogHandler.swift"
],
"type" : "library"
}
],
"tools_version" : "5.1"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"UnifiedLogHandler"
]
}
}
2026-04-10 13:53:26.464 xcodebuild[695:4230] [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 UnifiedLogHandler -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 UnifiedLogHandler -destination generic/platform=watchOS
Resolve Package Graph
Resolved source packages:
swift-log: https://github.com/apple/swift-log @ 1.11.0
UnifiedLogHandler: /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 'UnifiedLogHandler' in project 'UnifiedLogHandler'
➜ Explicit dependency on target 'UnifiedLogHandler' in project 'UnifiedLogHandler'
➜ Explicit dependency on target 'Logging' in project 'swift-log'
Target 'UnifiedLogHandler' in project 'UnifiedLogHandler'
➜ Explicit dependency on target 'Logging' in project 'swift-log'
Target 'Logging' in project 'swift-log'
➜ Explicit dependency on target 'Logging' in project 'swift-log'
Target 'Logging' in project 'swift-log' (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
ReadFileContents /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
Build description signature: 4a87e782814ce498c7f7c8658b7bdb28
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/4a87e782814ce498c7f7c8658b7bdb28.xcbuilddata
error: The package product 'Logging' requires minimum platform version 5.0 for the watchOS platform, but this target supports 4.0 (in target 'UnifiedLogHandler' from project 'UnifiedLogHandler')
2026-04-10 13:53:27.386 xcodebuild[697:4261] [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 UnifiedLogHandler
(1 failure)
BUILD FAILURE 6.3 watchOS