Swift Package Index

Build Information

Failed to build swift-platform-core, reference main (b9eb8d), with Swift 6.4 for iOS using Xcode 27.0 on 23 Sep 2026 06:10:59 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 swift-platform-core-Package -destination generic/platform=iOS

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/compnerd/swift-platform-core.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/compnerd/swift-platform-core
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at b9eb8dd POSIX: remove support for swift[<6.2]
Cloned https://github.com/compnerd/swift-platform-core.git
Revision (git rev-parse @):
b9eb8ddc0920256479ccc878b69bfe0b02b4e0a2
SUCCESS checkout https://github.com/compnerd/swift-platform-core.git at main
========================================
Build
========================================
Selected platform:         iOS
Swift version:             6.4
Building package at path:  $PWD
https://github.com/compnerd/swift-platform-core.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:
  swift-platform-core: /Users/admin/builder/spi-builder-workspace
resolved source packages: swift-platform-core
2026-09-23 02:10:20.709 xcodebuild[524:2998] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "swift-platform-core",
  "name" : "swift-platform-core",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "26.0"
    }
  ],
  "products" : [
    {
      "name" : "WindowsCore",
      "targets" : [
        "WindowsCore"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "POSIXCore",
      "targets" : [
        "POSIXCore"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "WindowsCore",
      "module_type" : "SwiftTarget",
      "name" : "WindowsCore",
      "path" : "Sources/WindowsCore",
      "product_memberships" : [
        "WindowsCore"
      ],
      "sources" : [
        "NTAPI.swift",
        "SystemInfo+Windows.swift",
        "WinSDK+Overlay.swift",
        "WindowsError.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "POSIXCore",
      "module_type" : "SwiftTarget",
      "name" : "POSIXCore",
      "path" : "Sources/POSIXCore",
      "product_memberships" : [
        "POSIXCore"
      ],
      "sources" : [
        "Darwin+Overlay.swift",
        "GNU+Overlay.swift",
        "POSIXError.swift",
        "SignalHandler.swift",
        "SystemInfo+POSIX.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.2"
}
{
  "workspace" : {
    "name" : "swift-platform-core",
    "schemes" : [
      "POSIXCore",
      "swift-platform-core-Package",
      "WindowsCore"
    ]
  }
}
2026-09-23 02:10:52.731 xcodebuild[622:3775] [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 swift-platform-core-Package -destination generic/platform=iOS
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 swift-platform-core-Package -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
  swift-platform-core: /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 'POSIXCore-product' in project 'swift-platform-core'
        ➜ Explicit dependency on target 'POSIXCore' in project 'swift-platform-core'
    Target 'POSIXCore' in project 'swift-platform-core' (no dependencies)
    Target 'WindowsCore-product' in project 'swift-platform-core'
        ➜ Explicit dependency on target 'WindowsCore' in project 'swift-platform-core'
    Target 'WindowsCore' in project 'swift-platform-core' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
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/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.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/ld -version_details
Build description signature: 79102af33dacee764f917792fd3446a5
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/79102af33dacee764f917792fd3446a5.xcbuilddata
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/CompilationCache.noindex
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/CompilationCache.noindex
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
ClangStatCache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PrecompiledHeaders
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PrecompiledHeaders
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-iphoneos
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-iphoneos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/PackageFrameworks
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/WindowsCore.DependencyStaticMetadataFileList (in target 'WindowsCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/WindowsCore.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/WindowsCore.modulemap (in target 'WindowsCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/WindowsCore.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/WindowsCore.DependencyMetadataFileList (in target 'WindowsCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/WindowsCore.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/Objects-normal/arm64/WindowsCore.LinkFileList (in target 'WindowsCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/Objects-normal/arm64/WindowsCore.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/Objects-normal/arm64/WindowsCore-OutputFileMap.json (in target 'WindowsCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/Objects-normal/arm64/WindowsCore-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/Objects-normal/arm64/WindowsCore_const_extract_protocols.json (in target 'WindowsCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/Objects-normal/arm64/WindowsCore_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/Objects-normal/arm64/WindowsCore.SwiftConstValuesFileList (in target 'WindowsCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/Objects-normal/arm64/WindowsCore.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/Objects-normal/arm64/WindowsCore.SwiftFileList (in target 'WindowsCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/Objects-normal/arm64/WindowsCore.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/POSIXCore.modulemap (in target 'POSIXCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/POSIXCore.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/POSIXCore.DependencyStaticMetadataFileList (in target 'POSIXCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/POSIXCore.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/POSIXCore.DependencyMetadataFileList (in target 'POSIXCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/POSIXCore.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore.SwiftConstValuesFileList (in target 'POSIXCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore.SwiftFileList (in target 'POSIXCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore.LinkFileList (in target 'POSIXCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore-OutputFileMap.json (in target 'POSIXCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore_const_extract_protocols.json (in target 'POSIXCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore_const_extract_protocols.json
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos/WindowsCore.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/WindowsCore.modulemap (in target 'WindowsCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace
    builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/WindowsCore.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos/POSIXCore.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/POSIXCore.modulemap (in target 'POSIXCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace
    builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/POSIXCore.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos
SwiftDriver WindowsCore normal arm64 com.apple.xcode.tools.swift.compiler (in target 'WindowsCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name WindowsCore -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/Objects-normal/arm64/WindowsCore.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -enable-experimental-feature AccessLevelOnImport -enable-experimental-feature ImportMacroAliases -static -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -target arm64-apple-ios15.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 6 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/Objects-normal/arm64/WindowsCore-OutputFileMap.json -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/Objects-normal/arm64/WindowsCore.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/Objects-normal/arm64/WindowsCore-dependency-scan.dia -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -package-name spi_builder_workspace -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/Objects-normal/arm64/WindowsCore_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/Objects-normal/arm64/WindowsCore-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftDriver POSIXCore normal arm64 com.apple.xcode.tools.swift.compiler (in target 'POSIXCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name POSIXCore -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -target arm64-apple-ios15.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 6 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore-OutputFileMap.json -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore-dependency-scan.dia -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -package-name spi_builder_workspace -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/SwiftShims-2T1JKJY1CNAX17AUPWM2I7WV9.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_SwiftConcurrencyShims-1YQ444MGGYMS6A2AOV77GJGQW.pcm
SwiftEmitModule normal arm64 Emitting\ module\ for\ POSIXCore (in target 'POSIXCore' from project 'swift-platform-core')
SwiftCompile normal arm64 (in target 'POSIXCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/POSIXError.swift:9:30: error: cannot find 'errno' in scope
 7 |   internal let code: CInt
 8 |
 9 |   public init(_ code: CInt = errno) {
   |                              `- error: cannot find 'errno' in scope
10 |     self.code = code
11 |   }
/Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/SignalHandler.swift:22:35: error: cannot find type 'sigaction' in scope
 20 |
 21 |   private var handlers: [CInt:[ObjectIdentifier:Handler]] = [:]
 22 |   private var dispositions: [CInt:sigaction] = [:]
    |                                   `- error: cannot find type 'sigaction' in scope
 23 | #if $InlineArray
 24 |   private nonisolated(unsafe) static var fds = InlineArray<2, CInt>(repeating: -1)
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/Darwin+Overlay.swift /Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/GNU+Overlay.swift /Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/POSIXError.swift /Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/SignalHandler.swift /Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/SystemInfo+POSIX.swift -target arm64-apple-ios15.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 6 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name POSIXCore -package-name spi_builder_workspace -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-ios27.0 -target-sdk-version 27.0 -target-sdk-name iphoneos27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore.abi.json
SwiftCompile normal arm64 Compiling\ SystemInfo+POSIX.swift /Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/SystemInfo+POSIX.swift (in target 'POSIXCore' from project 'swift-platform-core')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/SystemInfo+POSIX.swift (in target 'POSIXCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile SystemInfo+POSIX.swift
/Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/SystemInfo+POSIX.swift:8:16: error: cannot find 'sysconf' in scope
 6 | public enum SystemInfo {
 7 |   public static var PageSize: Int {
 8 |     return Int(sysconf(_SC_PAGESIZE))
   |                `- error: cannot find 'sysconf' in scope
 9 |   }
10 | }
SwiftCompile normal arm64 Compiling\ SignalHandler.swift /Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/SignalHandler.swift (in target 'POSIXCore' from project 'swift-platform-core')
/Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/SignalHandler.swift:22:35: error: cannot find type 'sigaction' in scope
 20 |
 21 |   private var handlers: [CInt:[ObjectIdentifier:Handler]] = [:]
 22 |   private var dispositions: [CInt:sigaction] = [:]
    |                                   `- error: cannot find type 'sigaction' in scope
 23 | #if $InlineArray
 24 |   private nonisolated(unsafe) static var fds = InlineArray<2, CInt>(repeating: -1)
/Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/SignalHandler.swift:40:11: error: cannot find 'close' in scope
 38 |     // Close channel.
 39 |     if Registry.fds[0] != -1 {
 40 |       _ = close(Registry.fds[0])
    |           `- error: cannot find 'close' in scope
 41 |     }
 42 |
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/SignalHandler.swift (in target 'POSIXCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile SignalHandler.swift
SwiftCompile normal arm64 Compiling\ Darwin+Overlay.swift /Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/Darwin+Overlay.swift (in target 'POSIXCore' from project 'swift-platform-core')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/Darwin+Overlay.swift (in target 'POSIXCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile Darwin+Overlay.swift
SwiftEmitModule normal arm64 Emitting\ module\ for\ WindowsCore (in target 'WindowsCore' from project 'swift-platform-core')
SwiftCompile normal arm64 (in target 'WindowsCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ WindowsError.swift /Users/admin/builder/spi-builder-workspace/Sources/WindowsCore/WindowsError.swift (in target 'WindowsCore' from project 'swift-platform-core')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/WindowsCore/WindowsError.swift (in target 'WindowsCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile WindowsError.swift
SwiftCompile normal arm64 Compiling\ SystemInfo+Windows.swift /Users/admin/builder/spi-builder-workspace/Sources/WindowsCore/SystemInfo+Windows.swift (in target 'WindowsCore' from project 'swift-platform-core')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/WindowsCore/SystemInfo+Windows.swift (in target 'WindowsCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile SystemInfo+Windows.swift
SwiftCompile normal arm64 Compiling\ NTAPI.swift /Users/admin/builder/spi-builder-workspace/Sources/WindowsCore/NTAPI.swift (in target 'WindowsCore' from project 'swift-platform-core')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/WindowsCore/NTAPI.swift (in target 'WindowsCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile NTAPI.swift
SwiftCompile normal arm64 Compiling\ GNU+Overlay.swift /Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/GNU+Overlay.swift (in target 'POSIXCore' from project 'swift-platform-core')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/GNU+Overlay.swift (in target 'POSIXCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile GNU+Overlay.swift
SwiftCompile normal arm64 Compiling\ WinSDK+Overlay.swift /Users/admin/builder/spi-builder-workspace/Sources/WindowsCore/WinSDK+Overlay.swift (in target 'WindowsCore' from project 'swift-platform-core')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/WindowsCore/WinSDK+Overlay.swift (in target 'WindowsCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile WinSDK+Overlay.swift
SwiftCompile normal arm64 Compiling\ POSIXError.swift /Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/POSIXError.swift (in target 'POSIXCore' from project 'swift-platform-core')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/POSIXError.swift (in target 'POSIXCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile POSIXError.swift
SwiftDriverJobDiscovery normal arm64 Emitting module for WindowsCore (in target 'WindowsCore' from project 'swift-platform-core')
SwiftDriver\ Compilation\ Requirements WindowsCore normal arm64 com.apple.xcode.tools.swift.compiler (in target 'WindowsCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-Swift-Compilation-Requirements -- /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name WindowsCore -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/Objects-normal/arm64/WindowsCore.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -enable-experimental-feature AccessLevelOnImport -enable-experimental-feature ImportMacroAliases -static -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -target arm64-apple-ios15.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 6 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/Objects-normal/arm64/WindowsCore-OutputFileMap.json -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/Objects-normal/arm64/WindowsCore.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/Objects-normal/arm64/WindowsCore-dependency-scan.dia -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -package-name spi_builder_workspace -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/Objects-normal/arm64/WindowsCore_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/Objects-normal/arm64/WindowsCore-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
2026-09-23 02:10:54.294 xcodebuild[623:3819] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	SwiftCompile normal arm64 (in target 'POSIXCore' from project 'swift-platform-core')
	SwiftEmitModule normal arm64 Emitting\ module\ for\ POSIXCore (in target 'POSIXCore' from project 'swift-platform-core')
	Building workspace swift-platform-core with scheme swift-platform-core-Package
(3 failures)
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:
  swift-platform-core: /Users/admin/builder/spi-builder-workspace
resolved source packages: swift-platform-core
2026-09-23 02:10:57.069 xcodebuild[651:3985] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "swift-platform-core",
  "name" : "swift-platform-core",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "26.0"
    }
  ],
  "products" : [
    {
      "name" : "WindowsCore",
      "targets" : [
        "WindowsCore"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "POSIXCore",
      "targets" : [
        "POSIXCore"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "WindowsCore",
      "module_type" : "SwiftTarget",
      "name" : "WindowsCore",
      "path" : "Sources/WindowsCore",
      "product_memberships" : [
        "WindowsCore"
      ],
      "sources" : [
        "NTAPI.swift",
        "SystemInfo+Windows.swift",
        "WinSDK+Overlay.swift",
        "WindowsError.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "POSIXCore",
      "module_type" : "SwiftTarget",
      "name" : "POSIXCore",
      "path" : "Sources/POSIXCore",
      "product_memberships" : [
        "POSIXCore"
      ],
      "sources" : [
        "Darwin+Overlay.swift",
        "GNU+Overlay.swift",
        "POSIXError.swift",
        "SignalHandler.swift",
        "SystemInfo+POSIX.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.2"
}
{
  "workspace" : {
    "name" : "swift-platform-core",
    "schemes" : [
      "POSIXCore",
      "swift-platform-core-Package",
      "WindowsCore"
    ]
  }
}
2026-09-23 02:10:58.250 xcodebuild[659:4042] [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 swift-platform-core-Package -destination generic/platform=iOS
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 swift-platform-core-Package -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
  swift-platform-core: /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 'POSIXCore-product' in project 'swift-platform-core'
        ➜ Explicit dependency on target 'POSIXCore' in project 'swift-platform-core'
    Target 'POSIXCore' in project 'swift-platform-core' (no dependencies)
    Target 'WindowsCore-product' in project 'swift-platform-core'
        ➜ Explicit dependency on target 'WindowsCore' in project 'swift-platform-core'
    Target 'WindowsCore' in project 'swift-platform-core' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ClangStatCache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache
SwiftDriver WindowsCore normal arm64 com.apple.xcode.tools.swift.compiler (in target 'WindowsCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name WindowsCore -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/Objects-normal/arm64/WindowsCore.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -enable-experimental-feature AccessLevelOnImport -enable-experimental-feature ImportMacroAliases -static -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -target arm64-apple-ios15.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 6 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/Objects-normal/arm64/WindowsCore-OutputFileMap.json -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/Objects-normal/arm64/WindowsCore.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/Objects-normal/arm64/WindowsCore-dependency-scan.dia -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -package-name spi_builder_workspace -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/Objects-normal/arm64/WindowsCore_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/Objects-normal/arm64/WindowsCore-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftDriver POSIXCore normal arm64 com.apple.xcode.tools.swift.compiler (in target 'POSIXCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name POSIXCore -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -target arm64-apple-ios15.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 6 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore-OutputFileMap.json -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore-dependency-scan.dia -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -package-name spi_builder_workspace -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ GNU+Overlay.swift /Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/GNU+Overlay.swift (in target 'POSIXCore' from project 'swift-platform-core')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/GNU+Overlay.swift (in target 'POSIXCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile GNU+Overlay.swift
SwiftEmitModule normal arm64 Emitting\ module\ for\ POSIXCore (in target 'POSIXCore' from project 'swift-platform-core')
/Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/POSIXError.swift:9:30: error: cannot find 'errno' in scope
 7 |   internal let code: CInt
 8 |
 9 |   public init(_ code: CInt = errno) {
   |                              `- error: cannot find 'errno' in scope
10 |     self.code = code
11 |   }
/Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/SignalHandler.swift:22:35: error: cannot find type 'sigaction' in scope
 20 |
 21 |   private var handlers: [CInt:[ObjectIdentifier:Handler]] = [:]
 22 |   private var dispositions: [CInt:sigaction] = [:]
    |                                   `- error: cannot find type 'sigaction' in scope
 23 | #if $InlineArray
 24 |   private nonisolated(unsafe) static var fds = InlineArray<2, CInt>(repeating: -1)
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/Darwin+Overlay.swift /Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/GNU+Overlay.swift /Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/POSIXError.swift /Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/SignalHandler.swift /Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/SystemInfo+POSIX.swift -target arm64-apple-ios15.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 6 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name POSIXCore -package-name spi_builder_workspace -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-ios27.0 -target-sdk-version 27.0 -target-sdk-name iphoneos27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/POSIXCore-t.build/Objects-normal/arm64/POSIXCore.abi.json
SwiftCompile normal arm64 (in target 'POSIXCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ POSIXError.swift /Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/POSIXError.swift (in target 'POSIXCore' from project 'swift-platform-core')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/POSIXError.swift (in target 'POSIXCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile POSIXError.swift
/Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/POSIXError.swift:9:30: error: cannot find 'errno' in scope
 7 |   internal let code: CInt
 8 |
 9 |   public init(_ code: CInt = errno) {
   |                              `- error: cannot find 'errno' in scope
10 |     self.code = code
11 |   }
SwiftCompile normal arm64 Compiling\ Darwin+Overlay.swift /Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/Darwin+Overlay.swift (in target 'POSIXCore' from project 'swift-platform-core')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/Darwin+Overlay.swift (in target 'POSIXCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile Darwin+Overlay.swift
SwiftCompile normal arm64 Compiling\ SystemInfo+POSIX.swift /Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/SystemInfo+POSIX.swift (in target 'POSIXCore' from project 'swift-platform-core')
/Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/SystemInfo+POSIX.swift:8:16: error: cannot find 'sysconf' in scope
 6 | public enum SystemInfo {
 7 |   public static var PageSize: Int {
 8 |     return Int(sysconf(_SC_PAGESIZE))
   |                `- error: cannot find 'sysconf' in scope
 9 |   }
10 | }
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/SystemInfo+POSIX.swift (in target 'POSIXCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile SystemInfo+POSIX.swift
SwiftCompile normal arm64 Compiling\ SystemInfo+Windows.swift /Users/admin/builder/spi-builder-workspace/Sources/WindowsCore/SystemInfo+Windows.swift (in target 'WindowsCore' from project 'swift-platform-core')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/WindowsCore/SystemInfo+Windows.swift (in target 'WindowsCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile SystemInfo+Windows.swift
SwiftCompile normal arm64 Compiling\ NTAPI.swift /Users/admin/builder/spi-builder-workspace/Sources/WindowsCore/NTAPI.swift (in target 'WindowsCore' from project 'swift-platform-core')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/WindowsCore/NTAPI.swift (in target 'WindowsCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile NTAPI.swift
SwiftCompile normal arm64 Compiling\ SignalHandler.swift /Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/SignalHandler.swift (in target 'POSIXCore' from project 'swift-platform-core')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/POSIXCore/SignalHandler.swift (in target 'POSIXCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile SignalHandler.swift
SwiftEmitModule normal arm64 Emitting\ module\ for\ WindowsCore (in target 'WindowsCore' from project 'swift-platform-core')
SwiftCompile normal arm64 (in target 'WindowsCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ WindowsError.swift /Users/admin/builder/spi-builder-workspace/Sources/WindowsCore/WindowsError.swift (in target 'WindowsCore' from project 'swift-platform-core')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/WindowsCore/WindowsError.swift (in target 'WindowsCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile WindowsError.swift
SwiftCompile normal arm64 Compiling\ WinSDK+Overlay.swift /Users/admin/builder/spi-builder-workspace/Sources/WindowsCore/WinSDK+Overlay.swift (in target 'WindowsCore' from project 'swift-platform-core')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/WindowsCore/WinSDK+Overlay.swift (in target 'WindowsCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile WinSDK+Overlay.swift
SwiftDriverJobDiscovery normal arm64 Emitting module for WindowsCore (in target 'WindowsCore' from project 'swift-platform-core')
SwiftDriver\ Compilation\ Requirements WindowsCore normal arm64 com.apple.xcode.tools.swift.compiler (in target 'WindowsCore' from project 'swift-platform-core')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-Swift-Compilation-Requirements -- /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name WindowsCore -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/Objects-normal/arm64/WindowsCore.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -enable-experimental-feature AccessLevelOnImport -enable-experimental-feature ImportMacroAliases -static -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -target arm64-apple-ios15.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 6 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/Objects-normal/arm64/WindowsCore-OutputFileMap.json -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/Objects-normal/arm64/WindowsCore.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/Objects-normal/arm64/WindowsCore-dependency-scan.dia -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -package-name spi_builder_workspace -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/Objects-normal/arm64/WindowsCore_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swift-platform-core.build/Debug-iphoneos/WindowsCore-t.build/Objects-normal/arm64/WindowsCore-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
2026-09-23 02:10:59.179 xcodebuild[660:4065] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	SwiftEmitModule normal arm64 Emitting\ module\ for\ POSIXCore (in target 'POSIXCore' from project 'swift-platform-core')
	SwiftCompile normal arm64 (in target 'POSIXCore' from project 'swift-platform-core')
	Building workspace swift-platform-core with scheme swift-platform-core-Package
(3 failures)
BUILD FAILURE 6.4 iOS