Build Information
Failed to build SwiftSensors, reference main (f80560), with Swift 6.4 for watchOS using Xcode 27.0 on 22 Sep 2026 12:53:50 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SwiftSensors -destination generic/platform=watchOSBuild Log
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/trymirai/swift-sensors.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/trymirai/swift-sensors
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at f805608 add sources
Cloned https://github.com/trymirai/swift-sensors.git
Revision (git rev-parse @):
f805608cedad5e05ca1a95cf28ffd6c899497adc
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/trymirai/swift-sensors.git at main
========================================
Build
========================================
Selected platform: watchOS
Swift version: 6.4
Building package at path: $PWD
https://github.com/trymirai/swift-sensors.git
Command line invocation:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
SwiftSensors: /Users/admin/builder/spi-builder-workspace
resolved source packages: SwiftSensors
2026-09-22 08:53:12.548 xcodebuild[529:3042] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
],
"manifest_display_name" : "SwiftSensors",
"name" : "SwiftSensors",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "16.0"
}
],
"products" : [
{
"name" : "SwiftSensors",
"targets" : [
"SwiftSensors"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "SwiftSensors",
"module_type" : "SwiftTarget",
"name" : "SwiftSensors",
"path" : "Sources/SwiftSensors",
"product_memberships" : [
"SwiftSensors"
],
"sources" : [
"PowerSensors.swift",
"SensorBase.swift",
"SensorFormatter.swift",
"SwiftSensors.swift",
"SystemStats.swift",
"ThermalSensors.swift"
],
"target_dependencies" : [
"PrivateAPI"
],
"type" : "library"
},
{
"c99name" : "PrivateAPI",
"module_type" : "ClangTarget",
"name" : "PrivateAPI",
"path" : "Sources/PrivateAPI",
"product_memberships" : [
"SwiftSensors"
],
"sources" : [
"PrivateAPI.m"
],
"target_dependencies" : [
"IOKit"
],
"type" : "library"
},
{
"c99name" : "IOKit",
"module_type" : "BinaryTarget",
"name" : "IOKit",
"path" : "Frameworks/IOKit.xcframework",
"product_memberships" : [
"SwiftSensors"
],
"sources" : [
],
"type" : "binary"
}
],
"tools_version" : "6.0"
}
{
"workspace" : {
"name" : "SwiftSensors",
"schemes" : [
"SwiftSensors"
]
}
}
2026-09-22 08:53:44.422 xcodebuild[626:3851] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SwiftSensors -destination generic/platform=watchOS
Command line invocation:
/Applications/Xcode-27.0.0-Release.Candidate.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 SwiftSensors -destination generic/platform=watchOS
Resolve Package Graph
Resolved source packages:
SwiftSensors: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (3 targets)
Target 'SwiftSensors-product' in project 'SwiftSensors'
➜ Explicit dependency on target 'SwiftSensors' in project 'SwiftSensors'
➜ Explicit dependency on target 'PrivateAPI' in project 'SwiftSensors'
Target 'SwiftSensors' in project 'SwiftSensors'
➜ Explicit dependency on target 'PrivateAPI' in project 'SwiftSensors'
Target 'PrivateAPI' in project 'SwiftSensors' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -x objective-c -c /dev/null
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64_32 -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -x objective-c -c /dev/null
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64_32 -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -x c -c /dev/null
ReadFileContents /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
Build description signature: 7f6050cee33c17b359754f00f7ed2008
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/7f6050cee33c17b359754f00f7ed2008.xcbuilddata
/Users/admin/builder/spi-builder-workspace/Frameworks/IOKit.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/Frameworks/IOKit.xcframework'. (in target 'SwiftSensors-product' from project 'SwiftSensors')
/Users/admin/builder/spi-builder-workspace/Frameworks/IOKit.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/Frameworks/IOKit.xcframework'. (in target 'PrivateAPI' from project 'SwiftSensors')
/Users/admin/builder/spi-builder-workspace/Frameworks/IOKit.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/Frameworks/IOKit.xcframework'. (in target 'SwiftSensors' from project 'SwiftSensors')
2026-09-22 08:53:46.040 xcodebuild[627:3897] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
Building workspace SwiftSensors with scheme SwiftSensors
(1 failure)
Command line invocation:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
SwiftSensors: /Users/admin/builder/spi-builder-workspace
resolved source packages: SwiftSensors
2026-09-22 08:53:47.897 xcodebuild[649:4006] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
],
"manifest_display_name" : "SwiftSensors",
"name" : "SwiftSensors",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "16.0"
}
],
"products" : [
{
"name" : "SwiftSensors",
"targets" : [
"SwiftSensors"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "SwiftSensors",
"module_type" : "SwiftTarget",
"name" : "SwiftSensors",
"path" : "Sources/SwiftSensors",
"product_memberships" : [
"SwiftSensors"
],
"sources" : [
"PowerSensors.swift",
"SensorBase.swift",
"SensorFormatter.swift",
"SwiftSensors.swift",
"SystemStats.swift",
"ThermalSensors.swift"
],
"target_dependencies" : [
"PrivateAPI"
],
"type" : "library"
},
{
"c99name" : "PrivateAPI",
"module_type" : "ClangTarget",
"name" : "PrivateAPI",
"path" : "Sources/PrivateAPI",
"product_memberships" : [
"SwiftSensors"
],
"sources" : [
"PrivateAPI.m"
],
"target_dependencies" : [
"IOKit"
],
"type" : "library"
},
{
"c99name" : "IOKit",
"module_type" : "BinaryTarget",
"name" : "IOKit",
"path" : "Frameworks/IOKit.xcframework",
"product_memberships" : [
"SwiftSensors"
],
"sources" : [
],
"type" : "binary"
}
],
"tools_version" : "6.0"
}
{
"workspace" : {
"name" : "SwiftSensors",
"schemes" : [
"SwiftSensors"
]
}
}
2026-09-22 08:53:49.286 xcodebuild[658:4085] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SwiftSensors -destination generic/platform=watchOS
Command line invocation:
/Applications/Xcode-27.0.0-Release.Candidate.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 SwiftSensors -destination generic/platform=watchOS
Resolve Package Graph
Resolved source packages:
SwiftSensors: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (3 targets)
Target 'SwiftSensors-product' in project 'SwiftSensors'
➜ Explicit dependency on target 'SwiftSensors' in project 'SwiftSensors'
➜ Explicit dependency on target 'PrivateAPI' in project 'SwiftSensors'
Target 'SwiftSensors' in project 'SwiftSensors'
➜ Explicit dependency on target 'PrivateAPI' in project 'SwiftSensors'
Target 'PrivateAPI' in project 'SwiftSensors' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
/Users/admin/builder/spi-builder-workspace/Frameworks/IOKit.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/Frameworks/IOKit.xcframework'. (in target 'SwiftSensors-product' from project 'SwiftSensors')
/Users/admin/builder/spi-builder-workspace/Frameworks/IOKit.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/Frameworks/IOKit.xcframework'. (in target 'SwiftSensors' from project 'SwiftSensors')
/Users/admin/builder/spi-builder-workspace/Frameworks/IOKit.xcframework:1:1: error: While building for watchOS, no library for this platform was found in '/Users/admin/builder/spi-builder-workspace/Frameworks/IOKit.xcframework'. (in target 'PrivateAPI' from project 'SwiftSensors')
2026-09-22 08:53:50.277 xcodebuild[683:4296] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
Building workspace SwiftSensors with scheme SwiftSensors
(1 failure)
BUILD FAILURE 6.4 watchOS