HeterogeneousBoxPackage – Build Information

Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build HeterogeneousBoxPackage, reference v1.0.8 (cb751f), with Swift 6.1 for iOS using Xcode 16.3 on 1 May 2025 07:04:39 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme HeterogeneousBoxPackage-Package -destination generic/platform=iOS

Build Log

========================================
RunAll
========================================
Builder version: 4.61.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/brunogama/HeterogeneousBox.git
Reference: v1.0.8
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/brunogama/HeterogeneousBox
 * tag               v1.0.8     -> FETCH_HEAD
HEAD is now at cb751f1 chore: added LICENSE.md
Cloned https://github.com/brunogama/HeterogeneousBox.git
Revision (git rev-parse @):
cb751f151e7d9ec31c95313a7924e0167e868e57
SUCCESS checkout https://github.com/brunogama/HeterogeneousBox.git at v1.0.8
========================================
Build
========================================
Selected platform:         iOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/brunogama/HeterogeneousBox.git
https://github.com/brunogama/HeterogeneousBox.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "HeterogeneousBoxPackage",
  "name" : "HeterogeneousBoxPackage",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "14.0"
    },
    {
      "name" : "ios",
      "version" : "15.0"
    }
  ],
  "products" : [
    {
      "name" : "HeterogeneousBox",
      "targets" : [
        "HeterogeneousBox"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "HeterogeneousBoxClient",
      "targets" : [
        "HeterogeneousBoxClient"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "HeterogeneousBoxTests",
      "module_type" : "SwiftTarget",
      "name" : "HeterogeneousBoxTests",
      "path" : "Tests/HeterogeneousBoxTests",
      "sources" : [
        "HeterogeneousBoxTests.swift"
      ],
      "target_dependencies" : [
        "HeterogeneousBox"
      ],
      "type" : "test"
    },
    {
      "c99name" : "HeterogeneousBoxClient",
      "module_type" : "SwiftTarget",
      "name" : "HeterogeneousBoxClient",
      "path" : "Sources/HeterogeneousBoxClient",
      "product_memberships" : [
        "HeterogeneousBoxClient"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "HeterogeneousBox"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "HeterogeneousBox",
      "module_type" : "SwiftTarget",
      "name" : "HeterogeneousBox",
      "path" : "Sources/HeterogeneousBox",
      "product_memberships" : [
        "HeterogeneousBox",
        "HeterogeneousBoxClient"
      ],
      "sources" : [
        "Extension/CustomProtocols/HeterogeneousBox+Collection.swift",
        "Extension/CustomProtocols/HeterogeneousBox+CustomStringConvertible.swift",
        "Extension/HeterogeneousBox+Equatable.swift",
        "Extension/HeterogeneousBox+Hashable.swift",
        "HeterogeneousBox.swift",
        "Utils/Array+Extensions.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  HeterogeneousBoxPackage: /Users/admin/builder/spi-builder-workspace
resolved source packages: HeterogeneousBoxPackage
{
  "dependencies" : [
  ],
  "manifest_display_name" : "HeterogeneousBoxPackage",
  "name" : "HeterogeneousBoxPackage",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "14.0"
    },
    {
      "name" : "ios",
      "version" : "15.0"
    }
  ],
  "products" : [
    {
      "name" : "HeterogeneousBox",
      "targets" : [
        "HeterogeneousBox"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "HeterogeneousBoxClient",
      "targets" : [
        "HeterogeneousBoxClient"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "HeterogeneousBoxTests",
      "module_type" : "SwiftTarget",
      "name" : "HeterogeneousBoxTests",
      "path" : "Tests/HeterogeneousBoxTests",
      "sources" : [
        "HeterogeneousBoxTests.swift"
      ],
      "target_dependencies" : [
        "HeterogeneousBox"
      ],
      "type" : "test"
    },
    {
      "c99name" : "HeterogeneousBoxClient",
      "module_type" : "SwiftTarget",
      "name" : "HeterogeneousBoxClient",
      "path" : "Sources/HeterogeneousBoxClient",
      "product_memberships" : [
        "HeterogeneousBoxClient"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "HeterogeneousBox"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "HeterogeneousBox",
      "module_type" : "SwiftTarget",
      "name" : "HeterogeneousBox",
      "path" : "Sources/HeterogeneousBox",
      "product_memberships" : [
        "HeterogeneousBox",
        "HeterogeneousBoxClient"
      ],
      "sources" : [
        "Extension/CustomProtocols/HeterogeneousBox+Collection.swift",
        "Extension/CustomProtocols/HeterogeneousBox+CustomStringConvertible.swift",
        "Extension/HeterogeneousBox+Equatable.swift",
        "Extension/HeterogeneousBox+Hashable.swift",
        "HeterogeneousBox.swift",
        "Utils/Array+Extensions.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "HeterogeneousBox",
      "HeterogeneousBoxClient",
      "HeterogeneousBoxPackage",
      "HeterogeneousBoxPackage-Package"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme HeterogeneousBoxPackage-Package -destination generic/platform=iOS OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme HeterogeneousBoxPackage-Package -destination generic/platform=iOS "OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures"
Build settings from command line:
    OTHER_SWIFT_FLAGS = -stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures
Resolve Package Graph
Resolved source packages:
  HeterogeneousBoxPackage: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (3 targets)
    Target 'HeterogeneousBoxClient' in project 'HeterogeneousBoxPackage'
        ➜ Explicit dependency on target 'HeterogeneousBox' in project 'HeterogeneousBoxPackage'
    Target 'HeterogeneousBox' in project 'HeterogeneousBoxPackage'
        ➜ Explicit dependency on target 'HeterogeneousBox' in project 'HeterogeneousBoxPackage'
    Target 'HeterogeneousBox' in project 'HeterogeneousBoxPackage' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 55cd33eb68e0bd66897d8848a2cabb03
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/55cd33eb68e0bd66897d8848a2cabb03.xcbuilddata
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
ClangStatCache /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos18.4-22E235-339d34bc69d7fc736c3220795c36f340.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos18.4-22E235-339d34bc69d7fc736c3220795c36f340.sdkstatcache
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/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBoxClient.build/Objects-normal/arm64/HeterogeneousBoxClient_const_extract_protocols.json (in target 'HeterogeneousBoxClient' from project 'HeterogeneousBoxPackage')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBoxClient.build/Objects-normal/arm64/HeterogeneousBoxClient_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBoxClient.build/HeterogeneousBoxClient.DependencyStaticMetadataFileList (in target 'HeterogeneousBoxClient' from project 'HeterogeneousBoxPackage')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBoxClient.build/HeterogeneousBoxClient.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBoxClient.build/HeterogeneousBoxClient.DependencyMetadataFileList (in target 'HeterogeneousBoxClient' from project 'HeterogeneousBoxPackage')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBoxClient.build/HeterogeneousBoxClient.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBoxClient.build/Objects-normal/arm64/HeterogeneousBoxClient.SwiftFileList (in target 'HeterogeneousBoxClient' from project 'HeterogeneousBoxPackage')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBoxClient.build/Objects-normal/arm64/HeterogeneousBoxClient.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBoxClient.build/Objects-normal/arm64/HeterogeneousBoxClient.LinkFileList (in target 'HeterogeneousBoxClient' from project 'HeterogeneousBoxPackage')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBoxClient.build/Objects-normal/arm64/HeterogeneousBoxClient.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBoxClient.build/Objects-normal/arm64/HeterogeneousBoxClient-OutputFileMap.json (in target 'HeterogeneousBoxClient' from project 'HeterogeneousBoxPackage')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBoxClient.build/Objects-normal/arm64/HeterogeneousBoxClient-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox.SwiftFileList (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox.SwiftConstValuesFileList (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox_const_extract_protocols.json (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox.LinkFileList (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox-OutputFileMap.json (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/HeterogeneousBox.modulemap (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/HeterogeneousBox.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/HeterogeneousBox.DependencyStaticMetadataFileList (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/HeterogeneousBox.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/HeterogeneousBox.DependencyMetadataFileList (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/HeterogeneousBox.DependencyMetadataFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos/HeterogeneousBox.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/HeterogeneousBox.modulemap (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
    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/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/HeterogeneousBox.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos
SwiftDriver HeterogeneousBox normal arm64 com.apple.xcode.tools.swift.compiler (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name HeterogeneousBox -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -stats-output-dir .stats -strict-concurrency\=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk -target arm64-apple-ios15.0 -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 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos18.4-22E235-339d34bc69d7fc736c3220795c36f340.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox.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/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox_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/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.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/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftEmitModule normal arm64 Emitting\ module\ for\ HeterogeneousBox (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
EmitSwiftModule normal arm64 (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/HeterogeneousBox.swift:4:32: error: parameter packs in generic types are only available in iOS 17.0.0 or newer
public struct HeterogeneousBox<each Value> {
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/HeterogeneousBox.swift:4:15: note: add @available attribute to enclosing generic struct
public struct HeterogeneousBox<each Value> {
              ^
Failed frontend command:
/Applications/Xcode-16.3.0.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/HeterogeneousBox/Extension/CustomProtocols/HeterogeneousBox+Collection.swift /Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/Extension/CustomProtocols/HeterogeneousBox+CustomStringConvertible.swift /Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/Extension/HeterogeneousBox+Equatable.swift /Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/Extension/HeterogeneousBox+Hashable.swift /Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/HeterogeneousBox.swift /Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/Utils/Array+Extensions.swift -target arm64-apple-ios15.0 -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk/Developer/Library/Frameworks -no-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -profile-generate -profile-coverage-mapping -swift-version 5 -enforce-exclusivity\=checked -stats-output-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode/.stats -Onone -D SWIFT_PACKAGE -D DEBUG -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox_const_extract_protocols.json -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures -enable-experimental-feature DebugDescriptionMacro -strict-concurrency\=complete -empty-abi-descriptor -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -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 -resource-dir /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift -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/iphoneos18.4-22E235-339d34bc69d7fc736c3220795c36f340.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.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/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name HeterogeneousBox -package-name spi_builder_workspace -frontend-parseable-output -disable-clang-spi -target-sdk-version 18.4 -target-sdk-name iphoneos18.4 -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox-master-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox-master-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox.abi.json
SwiftCompile normal arm64 Compiling\ HeterogeneousBox+Equatable.swift /Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/Extension/HeterogeneousBox+Equatable.swift (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/Extension/HeterogeneousBox+Equatable.swift (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ Array+Extensions.swift /Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/Utils/Array+Extensions.swift (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/Utils/Array+Extensions.swift (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ HeterogeneousBox+Collection.swift /Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/Extension/CustomProtocols/HeterogeneousBox+Collection.swift (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/Extension/CustomProtocols/HeterogeneousBox+Collection.swift (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ HeterogeneousBox+Hashable.swift /Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/Extension/HeterogeneousBox+Hashable.swift (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/Extension/HeterogeneousBox+Hashable.swift (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

SwiftCompile normal arm64 Compiling\ HeterogeneousBox+CustomStringConvertible.swift /Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/Extension/CustomProtocols/HeterogeneousBox+CustomStringConvertible.swift (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/Extension/CustomProtocols/HeterogeneousBox+CustomStringConvertible.swift (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

** BUILD FAILED **
The following build commands failed:
	EmitSwiftModule normal arm64 (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
	SwiftEmitModule normal arm64 Emitting\ module\ for\ HeterogeneousBox (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
	Building workspace spi-builder-workspace with scheme HeterogeneousBoxPackage-Package
(3 failures)
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  HeterogeneousBoxPackage: /Users/admin/builder/spi-builder-workspace
resolved source packages: HeterogeneousBoxPackage
{
  "dependencies" : [
  ],
  "manifest_display_name" : "HeterogeneousBoxPackage",
  "name" : "HeterogeneousBoxPackage",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "14.0"
    },
    {
      "name" : "ios",
      "version" : "15.0"
    }
  ],
  "products" : [
    {
      "name" : "HeterogeneousBox",
      "targets" : [
        "HeterogeneousBox"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "HeterogeneousBoxClient",
      "targets" : [
        "HeterogeneousBoxClient"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "HeterogeneousBoxTests",
      "module_type" : "SwiftTarget",
      "name" : "HeterogeneousBoxTests",
      "path" : "Tests/HeterogeneousBoxTests",
      "sources" : [
        "HeterogeneousBoxTests.swift"
      ],
      "target_dependencies" : [
        "HeterogeneousBox"
      ],
      "type" : "test"
    },
    {
      "c99name" : "HeterogeneousBoxClient",
      "module_type" : "SwiftTarget",
      "name" : "HeterogeneousBoxClient",
      "path" : "Sources/HeterogeneousBoxClient",
      "product_memberships" : [
        "HeterogeneousBoxClient"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "HeterogeneousBox"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "HeterogeneousBox",
      "module_type" : "SwiftTarget",
      "name" : "HeterogeneousBox",
      "path" : "Sources/HeterogeneousBox",
      "product_memberships" : [
        "HeterogeneousBox",
        "HeterogeneousBoxClient"
      ],
      "sources" : [
        "Extension/CustomProtocols/HeterogeneousBox+Collection.swift",
        "Extension/CustomProtocols/HeterogeneousBox+CustomStringConvertible.swift",
        "Extension/HeterogeneousBox+Equatable.swift",
        "Extension/HeterogeneousBox+Hashable.swift",
        "HeterogeneousBox.swift",
        "Utils/Array+Extensions.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "HeterogeneousBox",
      "HeterogeneousBoxClient",
      "HeterogeneousBoxPackage",
      "HeterogeneousBoxPackage-Package"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme HeterogeneousBoxPackage-Package -destination generic/platform=iOS
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme HeterogeneousBoxPackage-Package -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
  HeterogeneousBoxPackage: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (3 targets)
    Target 'HeterogeneousBoxClient' in project 'HeterogeneousBoxPackage'
        ➜ Explicit dependency on target 'HeterogeneousBox' in project 'HeterogeneousBoxPackage'
    Target 'HeterogeneousBox' in project 'HeterogeneousBoxPackage'
        ➜ Explicit dependency on target 'HeterogeneousBox' in project 'HeterogeneousBoxPackage'
    Target 'HeterogeneousBox' in project 'HeterogeneousBoxPackage' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 57c5ad1fb406adef27e653cf143e737d
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/57c5ad1fb406adef27e653cf143e737d.xcbuilddata
ClangStatCache /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos18.4-22E235-339d34bc69d7fc736c3220795c36f340.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos18.4-22E235-339d34bc69d7fc736c3220795c36f340.sdkstatcache
SwiftDriver HeterogeneousBox normal arm64 com.apple.xcode.tools.swift.compiler (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name HeterogeneousBox -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DXcode -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk -target arm64-apple-ios15.0 -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 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos18.4-22E235-339d34bc69d7fc736c3220795c36f340.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox.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/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox_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/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.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/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ HeterogeneousBox+Collection.swift /Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/Extension/CustomProtocols/HeterogeneousBox+Collection.swift (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/Extension/CustomProtocols/HeterogeneousBox+Collection.swift (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ HeterogeneousBox+CustomStringConvertible.swift /Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/Extension/CustomProtocols/HeterogeneousBox+CustomStringConvertible.swift (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/Extension/CustomProtocols/HeterogeneousBox+CustomStringConvertible.swift (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ HeterogeneousBox+Hashable.swift /Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/Extension/HeterogeneousBox+Hashable.swift (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/Extension/HeterogeneousBox+Hashable.swift (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ HeterogeneousBox+Equatable.swift /Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/Extension/HeterogeneousBox+Equatable.swift (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/Extension/HeterogeneousBox+Equatable.swift (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftEmitModule normal arm64 Emitting\ module\ for\ HeterogeneousBox (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
Failed frontend command:
/Applications/Xcode-16.3.0.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/HeterogeneousBox/Extension/CustomProtocols/HeterogeneousBox+Collection.swift /Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/Extension/CustomProtocols/HeterogeneousBox+CustomStringConvertible.swift /Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/Extension/HeterogeneousBox+Equatable.swift /Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/Extension/HeterogeneousBox+Hashable.swift /Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/HeterogeneousBox.swift /Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/Utils/Array+Extensions.swift -target arm64-apple-ios15.0 -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk/Developer/Library/Frameworks -no-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -profile-generate -profile-coverage-mapping -swift-version 5 -enforce-exclusivity\=checked -Onone -D SWIFT_PACKAGE -D DEBUG -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -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 -resource-dir /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift -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/iphoneos18.4-22E235-339d34bc69d7fc736c3220795c36f340.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.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/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name HeterogeneousBox -package-name spi_builder_workspace -frontend-parseable-output -disable-clang-spi -target-sdk-version 18.4 -target-sdk-name iphoneos18.4 -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox-master-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox-master-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/HeterogeneousBoxPackage.build/Debug-iphoneos/HeterogeneousBox.build/Objects-normal/arm64/HeterogeneousBox.abi.json
EmitSwiftModule normal arm64 (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/HeterogeneousBox.swift:4:32: error: parameter packs in generic types are only available in iOS 17.0.0 or newer
public struct HeterogeneousBox<each Value> {
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/HeterogeneousBox.swift:4:15: note: add @available attribute to enclosing generic struct
public struct HeterogeneousBox<each Value> {
              ^
SwiftCompile normal arm64 Compiling\ HeterogeneousBox.swift /Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/HeterogeneousBox.swift (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/HeterogeneousBox.swift (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ Array+Extensions.swift /Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/Utils/Array+Extensions.swift (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/HeterogeneousBox/Utils/Array+Extensions.swift (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

** BUILD FAILED **
The following build commands failed:
	SwiftEmitModule normal arm64 Emitting\ module\ for\ HeterogeneousBox (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
	EmitSwiftModule normal arm64 (in target 'HeterogeneousBox' from project 'HeterogeneousBoxPackage')
	Building workspace spi-builder-workspace with scheme HeterogeneousBoxPackage-Package
(3 failures)
BUILD FAILURE 6.1 iOS