The Swift Package Index logo.Swift Package Index

Has it really been five years since Swift Package Index launched? Read our anniversary blog post!

Build Information

Failed to build SwiftUtils, reference main (67d8a9), with Swift 6.2 (beta) for iOS using Xcode 26.0 on 24 Jun 2025 05:16:55 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SwiftUtils -destination generic/platform=iOS

Build Log

========================================
RunAll
========================================
Builder version: 4.64.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Genaro-Chris/SwiftUtils.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Genaro-Chris/SwiftUtils
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 67d8a95 0.1.0
Cloned https://github.com/Genaro-Chris/SwiftUtils.git
Revision (git rev-parse @):
67d8a953087181ef302d552729205da7de42a492
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/Genaro-Chris/SwiftUtils.git at main
========================================
Build
========================================
Selected platform:         iOS
Swift version:             6.2
Building package at path:  $PWD
https://github.com/Genaro-Chris/SwiftUtils.git
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  SwiftUtils: /Users/admin/builder/spi-builder-workspace
resolved source packages: SwiftUtils
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SwiftUtils",
  "name" : "SwiftUtils",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "15.0"
    }
  ],
  "products" : [
    {
      "name" : "Utilities",
      "targets" : [
        "Utilities"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "Utilities",
      "module_type" : "SwiftTarget",
      "name" : "Utilities",
      "path" : "Sources",
      "product_memberships" : [
        "Utilities"
      ],
      "sources" : [
        "SwiftUtils/AsyncFunction.swift",
        "SwiftUtils/AsyncThrowingFunction.swift",
        "SwiftUtils/Function.swift",
        "SwiftUtils/MaybeUninit.swift",
        "SwiftUtils/SwiftUtils.swift",
        "SwiftUtils/ThrowingFunction.swift",
        "SwiftUtils/Tuple.swift",
        "SwiftUtils/Utils.swift",
        "SwiftUtils/Variant+Error.swift",
        "SwiftUtils/Variant.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "SwiftUtilsTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftUtilsTests",
      "path" : "Tests/SwiftUtilsTests",
      "sources" : [
        "Declarations.swift",
        "FunctionTests.swift",
        "MaybeUninitTests.swift",
        "SwiftUtilsTests.swift",
        "TupleTests.swift",
        "VariantTests.swift"
      ],
      "target_dependencies" : [
        "Utilities"
      ],
      "type" : "test"
    }
  ],
  "tools_version" : "6.0"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "SwiftUtils"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SwiftUtils -destination generic/platform=iOS
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.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 SwiftUtils -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
  SwiftUtils: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (2 targets)
    Target 'Utilities' in project 'SwiftUtils'
        ➜ Explicit dependency on target 'Utilities' in project 'SwiftUtils'
    Target 'Utilities' in project 'SwiftUtils' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 45ce40c20471af4aad0b9b1f102c6f8b
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/45ce40c20471af4aad0b9b1f102c6f8b.xcbuilddata
ClangStatCache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.0-23A5260k-89c966b05cf48e6d712dffa532762295.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.0-23A5260k-89c966b05cf48e6d712dffa532762295.sdkstatcache
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
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/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/SwiftUtils.build/Debug-iphoneos/Utilities.build/Utilities.DependencyStaticMetadataFileList (in target 'Utilities' from project 'SwiftUtils')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Utilities.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Utilities.DependencyMetadataFileList (in target 'Utilities' from project 'SwiftUtils')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Utilities.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Utilities.modulemap (in target 'Utilities' from project 'SwiftUtils')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Utilities.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities-OutputFileMap.json (in target 'Utilities' from project 'SwiftUtils')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities_const_extract_protocols.json (in target 'Utilities' from project 'SwiftUtils')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities.SwiftConstValuesFileList (in target 'Utilities' from project 'SwiftUtils')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities.LinkFileList (in target 'Utilities' from project 'SwiftUtils')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities.SwiftFileList (in target 'Utilities' from project 'SwiftUtils')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities.SwiftFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos/Utilities.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Utilities.modulemap (in target 'Utilities' from project 'SwiftUtils')
    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/SwiftUtils.build/Debug-iphoneos/Utilities.build/Utilities.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos
SwiftDriver Utilities normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Utilities' from project 'SwiftUtils')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name Utilities -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -enable-experimental-feature BuiltinModule -enable-experimental-feature RawLayout -enable-experimental-feature NoncopyableGenerics -enable-experimental-feature NoncopyableGenerics2 -enable-experimental-feature BitwiseCopyable -enable-experimental-feature BitwiseCopyable2 -enable-experimental-feature BuiltinAddressOfRawLayout -enable-experimental-feature BuiltinStoreRaw -enable-builtin-module -plugin-path /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.0.sdk -target arm64-apple-ios12.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -swift-version 6 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -I /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.0-23A5260k-89c966b05cf48e6d712dffa532762295.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities-OutputFileMap.json -use-frontend-parseable-output -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/ModuleCache.noindex -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -package-name spi_builder_workspace -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities_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/SwiftUtils.build/Debug-iphoneos/Utilities.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.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/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities-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/ModuleCache.noindex/SwiftShims-27ZYHZYTIP3MTU94JPDNAKTQA.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_SwiftConcurrencyShims-8WVKIO1H6LYFS2OWFMKFHN6I7.pcm
SwiftEmitModule normal arm64 Emitting\ module\ for\ Utilities (in target 'Utilities' from project 'SwiftUtils')
EmitSwiftModule normal arm64 (in target 'Utilities' from project 'SwiftUtils')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncFunction.swift:5:29: error: parameter packs in generic types are only available in iOS 17.0.0 or newer
public struct AsyncFunction<each Input, Output> {
                            ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncFunction.swift:5:15: note: add @available attribute to enclosing generic struct
public struct AsyncFunction<each Input, Output> {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncFunction.swift:23:61: error: concurrency is only available in iOS 13.0.0 or newer
    public func callAsFunction(_ inputs: repeat each Input) async -> Output {
                                                            ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncFunction.swift:23:17: note: add @available attribute to enclosing instance method
    public func callAsFunction(_ inputs: repeat each Input) async -> Output {
                ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncFunction.swift:5:15: note: add @available attribute to enclosing generic struct
public struct AsyncFunction<each Input, Output> {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncFunction.swift:32:63: error: concurrency is only available in iOS 13.0.0 or newer
    public func callAsFunction(_ inputs: (repeat each Input)) async -> Output {
                                                              ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncFunction.swift:32:17: note: add @available attribute to enclosing instance method
    public func callAsFunction(_ inputs: (repeat each Input)) async -> Output {
                ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncFunction.swift:5:15: note: add @available attribute to enclosing generic struct
public struct AsyncFunction<each Input, Output> {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncThrowingFunction.swift:7:41: error: parameter packs in generic types are only available in iOS 17.0.0 or newer
    public struct AsyncThrowingFunction<each Input, Error: Swift.Error, Output> {
                                        ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncThrowingFunction.swift:7:19: note: add @available attribute to enclosing generic struct
    public struct AsyncThrowingFunction<each Input, Error: Swift.Error, Output> {
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncThrowingFunction.swift:26:65: error: concurrency is only available in iOS 13.0.0 or newer
        public func callAsFunction(_ inputs: repeat each Input) async throws(Error) -> Output {
                                                                ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncThrowingFunction.swift:26:21: note: add @available attribute to enclosing instance method
        public func callAsFunction(_ inputs: repeat each Input) async throws(Error) -> Output {
                    ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncThrowingFunction.swift:7:19: note: add @available attribute to enclosing generic struct
    public struct AsyncThrowingFunction<each Input, Error: Swift.Error, Output> {
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncThrowingFunction.swift:36:67: error: concurrency is only available in iOS 13.0.0 or newer
        public func callAsFunction(_ inputs: (repeat each Input)) async throws(Error) -> Output {
                                                                  ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncThrowingFunction.swift:36:21: note: add @available attribute to enclosing instance method
        public func callAsFunction(_ inputs: (repeat each Input)) async throws(Error) -> Output {
                    ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncThrowingFunction.swift:7:19: note: add @available attribute to enclosing generic struct
    public struct AsyncThrowingFunction<each Input, Error: Swift.Error, Output> {
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Function.swift:5:24: error: parameter packs in generic types are only available in iOS 17.0.0 or newer
public struct Function<each Input, Output> {
                       ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Function.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Function<each Input, Output> {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/ThrowingFunction.swift:6:36: error: parameter packs in generic types are only available in iOS 17.0.0 or newer
    public struct ThrowingFunction<each Input, Error: Swift.Error, Output> {
                                   ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/ThrowingFunction.swift:6:19: note: add @available attribute to enclosing generic struct
    public struct ThrowingFunction<each Input, Error: Swift.Error, Output> {
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Tuple.swift:6:21: error: parameter packs in generic types are only available in iOS 17.0.0 or newer
public struct Tuple<each Value> {
                    ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Tuple.swift:6:15: note: add @available attribute to enclosing generic struct
public struct Tuple<each Value> {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Variant.swift:12:23: error: parameter packs in generic types are only available in iOS 17.0.0 or newer
public struct Variant<each Item>: ~Copyable {
                      ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Variant.swift:12:15: note: add @available attribute to enclosing generic struct
public struct Variant<each Item>: ~Copyable {
              ^
Failed frontend command:
/Applications/Xcode-26.0.0-Beta.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/SwiftUtils/AsyncFunction.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncThrowingFunction.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Function.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/MaybeUninit.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/SwiftUtils.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/ThrowingFunction.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Tuple.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Utils.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Variant+Error.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Variant.swift -target arm64-apple-ios12.0 -load-resolved-plugin /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-26.0.0-Beta.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/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -I /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.0.sdk/Developer/Library/Frameworks -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -profile-generate -profile-coverage-mapping -swift-version 6 -enforce-exclusivity\=checked -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities_const_extract_protocols.json -enable-experimental-feature BuiltinModule -enable-experimental-feature RawLayout -enable-experimental-feature NoncopyableGenerics -enable-experimental-feature NoncopyableGenerics2 -enable-experimental-feature BitwiseCopyable -enable-experimental-feature BitwiseCopyable2 -enable-experimental-feature BuiltinAddressOfRawLayout -enable-experimental-feature BuiltinStoreRaw -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 -enable-builtin-module -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 -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.0-23A5260k-89c966b05cf48e6d712dffa532762295.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/swift-overrides.hmap -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/SwiftUtils.build/Debug-iphoneos/Utilities.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Utilities -package-name spi_builder_workspace -frontend-parseable-output -disable-clang-spi -target-sdk-version 26.0 -target-sdk-name iphoneos26.0 -clang-target arm64-apple-ios26.0 -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities-master-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities-master-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities.abi.json
SwiftCompile normal arm64 Compiling\ Variant.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Variant.swift (in target 'Utilities' from project 'SwiftUtils')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Variant.swift (in target 'Utilities' from project 'SwiftUtils')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ Utils.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Utils.swift (in target 'Utilities' from project 'SwiftUtils')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Utils.swift (in target 'Utilities' from project 'SwiftUtils')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ Tuple.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Tuple.swift (in target 'Utilities' from project 'SwiftUtils')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Tuple.swift (in target 'Utilities' from project 'SwiftUtils')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ ThrowingFunction.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/ThrowingFunction.swift (in target 'Utilities' from project 'SwiftUtils')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/ThrowingFunction.swift (in target 'Utilities' from project 'SwiftUtils')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ MaybeUninit.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/MaybeUninit.swift (in target 'Utilities' from project 'SwiftUtils')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/MaybeUninit.swift (in target 'Utilities' from project 'SwiftUtils')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ Variant+Error.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Variant+Error.swift (in target 'Utilities' from project 'SwiftUtils')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Variant+Error.swift (in target 'Utilities' from project 'SwiftUtils')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ AsyncThrowingFunction.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncThrowingFunction.swift (in target 'Utilities' from project 'SwiftUtils')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncThrowingFunction.swift (in target 'Utilities' from project 'SwiftUtils')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ SwiftUtils.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/SwiftUtils.swift (in target 'Utilities' from project 'SwiftUtils')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/SwiftUtils.swift (in target 'Utilities' from project 'SwiftUtils')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ Function.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Function.swift (in target 'Utilities' from project 'SwiftUtils')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Function.swift (in target 'Utilities' from project 'SwiftUtils')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ AsyncFunction.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncFunction.swift (in target 'Utilities' from project 'SwiftUtils')
** BUILD FAILED **
The following build commands failed:
	EmitSwiftModule normal arm64 (in target 'Utilities' from project 'SwiftUtils')
	SwiftEmitModule normal arm64 Emitting\ module\ for\ Utilities (in target 'Utilities' from project 'SwiftUtils')
	Building workspace spi-builder-workspace with scheme SwiftUtils
(3 failures)
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  SwiftUtils: /Users/admin/builder/spi-builder-workspace
resolved source packages: SwiftUtils
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SwiftUtils",
  "name" : "SwiftUtils",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "15.0"
    }
  ],
  "products" : [
    {
      "name" : "Utilities",
      "targets" : [
        "Utilities"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "Utilities",
      "module_type" : "SwiftTarget",
      "name" : "Utilities",
      "path" : "Sources",
      "product_memberships" : [
        "Utilities"
      ],
      "sources" : [
        "SwiftUtils/AsyncFunction.swift",
        "SwiftUtils/AsyncThrowingFunction.swift",
        "SwiftUtils/Function.swift",
        "SwiftUtils/MaybeUninit.swift",
        "SwiftUtils/SwiftUtils.swift",
        "SwiftUtils/ThrowingFunction.swift",
        "SwiftUtils/Tuple.swift",
        "SwiftUtils/Utils.swift",
        "SwiftUtils/Variant+Error.swift",
        "SwiftUtils/Variant.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "SwiftUtilsTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftUtilsTests",
      "path" : "Tests/SwiftUtilsTests",
      "sources" : [
        "Declarations.swift",
        "FunctionTests.swift",
        "MaybeUninitTests.swift",
        "SwiftUtilsTests.swift",
        "TupleTests.swift",
        "VariantTests.swift"
      ],
      "target_dependencies" : [
        "Utilities"
      ],
      "type" : "test"
    }
  ],
  "tools_version" : "6.0"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "SwiftUtils"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SwiftUtils -destination generic/platform=iOS
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.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 SwiftUtils -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
  SwiftUtils: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (2 targets)
    Target 'Utilities' in project 'SwiftUtils'
        ➜ Explicit dependency on target 'Utilities' in project 'SwiftUtils'
    Target 'Utilities' in project 'SwiftUtils' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ClangStatCache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.0-23A5260k-89c966b05cf48e6d712dffa532762295.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.0-23A5260k-89c966b05cf48e6d712dffa532762295.sdkstatcache
SwiftDriver Utilities normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Utilities' from project 'SwiftUtils')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name Utilities -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -enable-experimental-feature BuiltinModule -enable-experimental-feature RawLayout -enable-experimental-feature NoncopyableGenerics -enable-experimental-feature NoncopyableGenerics2 -enable-experimental-feature BitwiseCopyable -enable-experimental-feature BitwiseCopyable2 -enable-experimental-feature BuiltinAddressOfRawLayout -enable-experimental-feature BuiltinStoreRaw -enable-builtin-module -plugin-path /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.0.sdk -target arm64-apple-ios12.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -swift-version 6 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -I /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.0-23A5260k-89c966b05cf48e6d712dffa532762295.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities-OutputFileMap.json -use-frontend-parseable-output -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/ModuleCache.noindex -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -package-name spi_builder_workspace -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities_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/SwiftUtils.build/Debug-iphoneos/Utilities.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.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/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ MaybeUninit.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/MaybeUninit.swift (in target 'Utilities' from project 'SwiftUtils')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/MaybeUninit.swift (in target 'Utilities' from project 'SwiftUtils')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ ThrowingFunction.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/ThrowingFunction.swift (in target 'Utilities' from project 'SwiftUtils')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/ThrowingFunction.swift (in target 'Utilities' from project 'SwiftUtils')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ Tuple.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Tuple.swift (in target 'Utilities' from project 'SwiftUtils')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Tuple.swift (in target 'Utilities' from project 'SwiftUtils')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ Utils.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Utils.swift (in target 'Utilities' from project 'SwiftUtils')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Utils.swift (in target 'Utilities' from project 'SwiftUtils')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftEmitModule normal arm64 Emitting\ module\ for\ Utilities (in target 'Utilities' from project 'SwiftUtils')
Failed frontend command:
/Applications/Xcode-26.0.0-Beta.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/SwiftUtils/AsyncFunction.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncThrowingFunction.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Function.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/MaybeUninit.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/SwiftUtils.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/ThrowingFunction.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Tuple.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Utils.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Variant+Error.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Variant.swift -target arm64-apple-ios12.0 -load-resolved-plugin /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-26.0.0-Beta.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/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -I /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.0.sdk/Developer/Library/Frameworks -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -profile-generate -profile-coverage-mapping -swift-version 6 -enforce-exclusivity\=checked -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities_const_extract_protocols.json -enable-experimental-feature BuiltinModule -enable-experimental-feature RawLayout -enable-experimental-feature NoncopyableGenerics -enable-experimental-feature NoncopyableGenerics2 -enable-experimental-feature BitwiseCopyable -enable-experimental-feature BitwiseCopyable2 -enable-experimental-feature BuiltinAddressOfRawLayout -enable-experimental-feature BuiltinStoreRaw -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 -enable-builtin-module -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 -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.0-23A5260k-89c966b05cf48e6d712dffa532762295.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/swift-overrides.hmap -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/SwiftUtils.build/Debug-iphoneos/Utilities.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Utilities -package-name spi_builder_workspace -frontend-parseable-output -disable-clang-spi -target-sdk-version 26.0 -target-sdk-name iphoneos26.0 -clang-target arm64-apple-ios26.0 -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities-master-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities-master-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftUtils.build/Debug-iphoneos/Utilities.build/Objects-normal/arm64/Utilities.abi.json
EmitSwiftModule normal arm64 (in target 'Utilities' from project 'SwiftUtils')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncFunction.swift:5:29: error: parameter packs in generic types are only available in iOS 17.0.0 or newer
public struct AsyncFunction<each Input, Output> {
                            ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncFunction.swift:5:15: note: add @available attribute to enclosing generic struct
public struct AsyncFunction<each Input, Output> {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncFunction.swift:23:61: error: concurrency is only available in iOS 13.0.0 or newer
    public func callAsFunction(_ inputs: repeat each Input) async -> Output {
                                                            ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncFunction.swift:23:17: note: add @available attribute to enclosing instance method
    public func callAsFunction(_ inputs: repeat each Input) async -> Output {
                ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncFunction.swift:5:15: note: add @available attribute to enclosing generic struct
public struct AsyncFunction<each Input, Output> {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncFunction.swift:32:63: error: concurrency is only available in iOS 13.0.0 or newer
    public func callAsFunction(_ inputs: (repeat each Input)) async -> Output {
                                                              ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncFunction.swift:32:17: note: add @available attribute to enclosing instance method
    public func callAsFunction(_ inputs: (repeat each Input)) async -> Output {
                ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncFunction.swift:5:15: note: add @available attribute to enclosing generic struct
public struct AsyncFunction<each Input, Output> {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncThrowingFunction.swift:7:41: error: parameter packs in generic types are only available in iOS 17.0.0 or newer
    public struct AsyncThrowingFunction<each Input, Error: Swift.Error, Output> {
                                        ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncThrowingFunction.swift:7:19: note: add @available attribute to enclosing generic struct
    public struct AsyncThrowingFunction<each Input, Error: Swift.Error, Output> {
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncThrowingFunction.swift:26:65: error: concurrency is only available in iOS 13.0.0 or newer
        public func callAsFunction(_ inputs: repeat each Input) async throws(Error) -> Output {
                                                                ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncThrowingFunction.swift:26:21: note: add @available attribute to enclosing instance method
        public func callAsFunction(_ inputs: repeat each Input) async throws(Error) -> Output {
                    ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncThrowingFunction.swift:7:19: note: add @available attribute to enclosing generic struct
    public struct AsyncThrowingFunction<each Input, Error: Swift.Error, Output> {
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncThrowingFunction.swift:36:67: error: concurrency is only available in iOS 13.0.0 or newer
        public func callAsFunction(_ inputs: (repeat each Input)) async throws(Error) -> Output {
                                                                  ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncThrowingFunction.swift:36:21: note: add @available attribute to enclosing instance method
        public func callAsFunction(_ inputs: (repeat each Input)) async throws(Error) -> Output {
                    ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncThrowingFunction.swift:7:19: note: add @available attribute to enclosing generic struct
    public struct AsyncThrowingFunction<each Input, Error: Swift.Error, Output> {
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Function.swift:5:24: error: parameter packs in generic types are only available in iOS 17.0.0 or newer
public struct Function<each Input, Output> {
                       ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Function.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Function<each Input, Output> {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/ThrowingFunction.swift:6:36: error: parameter packs in generic types are only available in iOS 17.0.0 or newer
    public struct ThrowingFunction<each Input, Error: Swift.Error, Output> {
                                   ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/ThrowingFunction.swift:6:19: note: add @available attribute to enclosing generic struct
    public struct ThrowingFunction<each Input, Error: Swift.Error, Output> {
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Tuple.swift:6:21: error: parameter packs in generic types are only available in iOS 17.0.0 or newer
public struct Tuple<each Value> {
                    ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Tuple.swift:6:15: note: add @available attribute to enclosing generic struct
public struct Tuple<each Value> {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Variant.swift:12:23: error: parameter packs in generic types are only available in iOS 17.0.0 or newer
public struct Variant<each Item>: ~Copyable {
                      ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Variant.swift:12:15: note: add @available attribute to enclosing generic struct
public struct Variant<each Item>: ~Copyable {
              ^
SwiftCompile normal arm64 Compiling\ Variant.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Variant.swift (in target 'Utilities' from project 'SwiftUtils')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Variant.swift (in target 'Utilities' from project 'SwiftUtils')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ Variant+Error.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Variant+Error.swift (in target 'Utilities' from project 'SwiftUtils')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Variant+Error.swift (in target 'Utilities' from project 'SwiftUtils')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ AsyncThrowingFunction.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncThrowingFunction.swift (in target 'Utilities' from project 'SwiftUtils')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncThrowingFunction.swift (in target 'Utilities' from project 'SwiftUtils')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ AsyncFunction.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncFunction.swift (in target 'Utilities' from project 'SwiftUtils')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/AsyncFunction.swift (in target 'Utilities' from project 'SwiftUtils')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ SwiftUtils.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/SwiftUtils.swift (in target 'Utilities' from project 'SwiftUtils')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/SwiftUtils.swift (in target 'Utilities' from project 'SwiftUtils')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ Function.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUtils/Function.swift (in target 'Utilities' from project 'SwiftUtils')
** BUILD FAILED **
The following build commands failed:
	SwiftEmitModule normal arm64 Emitting\ module\ for\ Utilities (in target 'Utilities' from project 'SwiftUtils')
	EmitSwiftModule normal arm64 (in target 'Utilities' from project 'SwiftUtils')
	Building workspace spi-builder-workspace with scheme SwiftUtils
(3 failures)
BUILD FAILURE 6.2 iOS