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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 CollisionHash, reference main (b12bee), with Swift 6.1 for iOS using Xcode 16.3 on 28 Apr 2025 00:43:15 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/bastie/CollisionHash.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/bastie/CollisionHash
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at b12bee1 Update README.md
Cloned https://github.com/bastie/CollisionHash.git
Revision (git rev-parse @):
b12bee1940029157248bc8c073ef234532396fba
SUCCESS checkout https://github.com/bastie/CollisionHash.git at main
========================================
Build
========================================
Selected platform:         iOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/bastie/CollisionHash.git
https://github.com/bastie/CollisionHash.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "CollisionHash",
  "name" : "CollisionHash",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "CollisionHash",
      "targets" : [
        "CollisionHash"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "CollisionHashExample",
      "targets" : [
        "CollisionHashExample"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CollisionHashTests",
      "module_type" : "SwiftTarget",
      "name" : "CollisionHashTests",
      "path" : "Tests/CollisionHashTests",
      "sources" : [
        "CollisionHashTests.swift"
      ],
      "target_dependencies" : [
        "CollisionHash"
      ],
      "type" : "test"
    },
    {
      "c99name" : "CollisionHashExample",
      "module_type" : "SwiftTarget",
      "name" : "CollisionHashExample",
      "path" : "Sources/CollisionHashExample",
      "product_memberships" : [
        "CollisionHashExample"
      ],
      "sources" : [
        "CollisionHashExample.swift"
      ],
      "target_dependencies" : [
        "CollisionHash"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "CollisionHash",
      "module_type" : "SwiftTarget",
      "name" : "CollisionHash",
      "path" : "Sources/CollisionHash",
      "product_memberships" : [
        "CollisionHash",
        "CollisionHashExample"
      ],
      "sources" : [
        "CollisionHash.swift",
        "PearsonHash.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:
  CollisionHash: /Users/admin/builder/spi-builder-workspace
resolved source packages: CollisionHash
{
  "dependencies" : [
  ],
  "manifest_display_name" : "CollisionHash",
  "name" : "CollisionHash",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "CollisionHash",
      "targets" : [
        "CollisionHash"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "CollisionHashExample",
      "targets" : [
        "CollisionHashExample"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CollisionHashTests",
      "module_type" : "SwiftTarget",
      "name" : "CollisionHashTests",
      "path" : "Tests/CollisionHashTests",
      "sources" : [
        "CollisionHashTests.swift"
      ],
      "target_dependencies" : [
        "CollisionHash"
      ],
      "type" : "test"
    },
    {
      "c99name" : "CollisionHashExample",
      "module_type" : "SwiftTarget",
      "name" : "CollisionHashExample",
      "path" : "Sources/CollisionHashExample",
      "product_memberships" : [
        "CollisionHashExample"
      ],
      "sources" : [
        "CollisionHashExample.swift"
      ],
      "target_dependencies" : [
        "CollisionHash"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "CollisionHash",
      "module_type" : "SwiftTarget",
      "name" : "CollisionHash",
      "path" : "Sources/CollisionHash",
      "product_memberships" : [
        "CollisionHash",
        "CollisionHashExample"
      ],
      "sources" : [
        "CollisionHash.swift",
        "PearsonHash.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "CollisionHash",
      "CollisionHash-Package",
      "CollisionHashExample"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme CollisionHash-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 CollisionHash-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:
  CollisionHash: /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 'CollisionHashExample' in project 'CollisionHash'
        ➜ Explicit dependency on target 'CollisionHash' in project 'CollisionHash'
    Target 'CollisionHash' in project 'CollisionHash'
        ➜ Explicit dependency on target 'CollisionHash' in project 'CollisionHash'
    Target 'CollisionHash' in project 'CollisionHash' (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: 982497fa394c8cd7a89c4dadb84be14f
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/982497fa394c8cd7a89c4dadb84be14f.xcbuilddata
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
ClangStatCache /Applications/Xcode-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/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
    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/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/CollisionHash.build/Debug-iphoneos/CollisionHashExample.build/CollisionHashExample.DependencyStaticMetadataFileList (in target 'CollisionHashExample' from project 'CollisionHash')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHashExample.build/CollisionHashExample.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHashExample.build/CollisionHashExample.DependencyMetadataFileList (in target 'CollisionHashExample' from project 'CollisionHash')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHashExample.build/CollisionHashExample.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHashExample.build/Objects-normal/arm64/CollisionHashExample_const_extract_protocols.json (in target 'CollisionHashExample' from project 'CollisionHash')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHashExample.build/Objects-normal/arm64/CollisionHashExample_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHashExample.build/Objects-normal/arm64/CollisionHashExample.SwiftFileList (in target 'CollisionHashExample' from project 'CollisionHash')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHashExample.build/Objects-normal/arm64/CollisionHashExample.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash.SwiftConstValuesFileList (in target 'CollisionHash' from project 'CollisionHash')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHashExample.build/Objects-normal/arm64/CollisionHashExample-OutputFileMap.json (in target 'CollisionHashExample' from project 'CollisionHash')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHashExample.build/Objects-normal/arm64/CollisionHashExample-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash.SwiftFileList (in target 'CollisionHash' from project 'CollisionHash')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHashExample.build/Objects-normal/arm64/CollisionHashExample.LinkFileList (in target 'CollisionHashExample' from project 'CollisionHash')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHashExample.build/Objects-normal/arm64/CollisionHashExample.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash_const_extract_protocols.json (in target 'CollisionHash' from project 'CollisionHash')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash.LinkFileList (in target 'CollisionHash' from project 'CollisionHash')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash-OutputFileMap.json (in target 'CollisionHash' from project 'CollisionHash')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/CollisionHash.modulemap (in target 'CollisionHash' from project 'CollisionHash')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/CollisionHash.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/CollisionHash.DependencyStaticMetadataFileList (in target 'CollisionHash' from project 'CollisionHash')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/CollisionHash.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/CollisionHash.DependencyMetadataFileList (in target 'CollisionHash' from project 'CollisionHash')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/CollisionHash.DependencyMetadataFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos/CollisionHash.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/CollisionHash.modulemap (in target 'CollisionHash' from project 'CollisionHash')
    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/CollisionHash.build/Debug-iphoneos/CollisionHash.build/CollisionHash.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos
SwiftDriver CollisionHash normal arm64 com.apple.xcode.tools.swift.compiler (in target 'CollisionHash' from project 'CollisionHash')
    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 CollisionHash -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash.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-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 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/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash-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/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash.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/CollisionHash.build/Debug-iphoneos/CollisionHash.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash_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/CollisionHash.build/Debug-iphoneos/CollisionHash.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.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/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftEmitModule normal arm64 Emitting\ module\ for\ CollisionHash (in target 'CollisionHash' from project 'CollisionHash')
EmitSwiftModule normal arm64 (in target 'CollisionHash' from project 'CollisionHash')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/CollisionHash/CollisionHash.swift:38:11: error: 'Insecure' is only available in iOS 13.0 or newer
extension Insecure {
          ^
/Users/admin/builder/spi-builder-workspace/Sources/CollisionHash/CollisionHash.swift:38:1: note: add @available attribute to enclosing extension
extension Insecure {
^
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/CollisionHash/CollisionHash.swift /Users/admin/builder/spi-builder-workspace/Sources/CollisionHash/PearsonHash.swift -target arm64-apple-ios12.0 -Xllvm -aarch64-use-tbi -enable-objc-interop -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/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash_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/CollisionHash.build/Debug-iphoneos/CollisionHash.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/CollisionHash.build/Debug-iphoneos/CollisionHash.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name CollisionHash -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/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash-master-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash-master-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash.abi.json
SwiftCompile normal arm64 Compiling\ CollisionHash.swift /Users/admin/builder/spi-builder-workspace/Sources/CollisionHash/CollisionHash.swift (in target 'CollisionHash' from project 'CollisionHash')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CollisionHash/CollisionHash.swift (in target 'CollisionHash' from project 'CollisionHash')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

** BUILD FAILED **
The following build commands failed:
	EmitSwiftModule normal arm64 (in target 'CollisionHash' from project 'CollisionHash')
	SwiftEmitModule normal arm64 Emitting\ module\ for\ CollisionHash (in target 'CollisionHash' from project 'CollisionHash')
	Building workspace spi-builder-workspace with scheme CollisionHash-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:
  CollisionHash: /Users/admin/builder/spi-builder-workspace
resolved source packages: CollisionHash
{
  "dependencies" : [
  ],
  "manifest_display_name" : "CollisionHash",
  "name" : "CollisionHash",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "CollisionHash",
      "targets" : [
        "CollisionHash"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "CollisionHashExample",
      "targets" : [
        "CollisionHashExample"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CollisionHashTests",
      "module_type" : "SwiftTarget",
      "name" : "CollisionHashTests",
      "path" : "Tests/CollisionHashTests",
      "sources" : [
        "CollisionHashTests.swift"
      ],
      "target_dependencies" : [
        "CollisionHash"
      ],
      "type" : "test"
    },
    {
      "c99name" : "CollisionHashExample",
      "module_type" : "SwiftTarget",
      "name" : "CollisionHashExample",
      "path" : "Sources/CollisionHashExample",
      "product_memberships" : [
        "CollisionHashExample"
      ],
      "sources" : [
        "CollisionHashExample.swift"
      ],
      "target_dependencies" : [
        "CollisionHash"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "CollisionHash",
      "module_type" : "SwiftTarget",
      "name" : "CollisionHash",
      "path" : "Sources/CollisionHash",
      "product_memberships" : [
        "CollisionHash",
        "CollisionHashExample"
      ],
      "sources" : [
        "CollisionHash.swift",
        "PearsonHash.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "CollisionHash",
      "CollisionHash-Package",
      "CollisionHashExample"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme CollisionHash-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 CollisionHash-Package -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
  CollisionHash: /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 'CollisionHashExample' in project 'CollisionHash'
        ➜ Explicit dependency on target 'CollisionHash' in project 'CollisionHash'
    Target 'CollisionHash' in project 'CollisionHash'
        ➜ Explicit dependency on target 'CollisionHash' in project 'CollisionHash'
    Target 'CollisionHash' in project 'CollisionHash' (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: ea071d09cae69bcc787a26616becaf65
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/ea071d09cae69bcc787a26616becaf65.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 CollisionHash normal arm64 com.apple.xcode.tools.swift.compiler (in target 'CollisionHash' from project 'CollisionHash')
    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 CollisionHash -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash.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-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 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/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash-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/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash.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/CollisionHash.build/Debug-iphoneos/CollisionHash.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash_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/CollisionHash.build/Debug-iphoneos/CollisionHash.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.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/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ PearsonHash.swift /Users/admin/builder/spi-builder-workspace/Sources/CollisionHash/PearsonHash.swift (in target 'CollisionHash' from project 'CollisionHash')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CollisionHash/PearsonHash.swift (in target 'CollisionHash' from project 'CollisionHash')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftEmitModule normal arm64 Emitting\ module\ for\ CollisionHash (in target 'CollisionHash' from project 'CollisionHash')
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/CollisionHash/CollisionHash.swift /Users/admin/builder/spi-builder-workspace/Sources/CollisionHash/PearsonHash.swift -target arm64-apple-ios12.0 -Xllvm -aarch64-use-tbi -enable-objc-interop -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/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash_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/CollisionHash.build/Debug-iphoneos/CollisionHash.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/CollisionHash.build/Debug-iphoneos/CollisionHash.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name CollisionHash -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/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash-master-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash-master-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CollisionHash.build/Debug-iphoneos/CollisionHash.build/Objects-normal/arm64/CollisionHash.abi.json
EmitSwiftModule normal arm64 (in target 'CollisionHash' from project 'CollisionHash')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/CollisionHash/CollisionHash.swift:38:11: error: 'Insecure' is only available in iOS 13.0 or newer
extension Insecure {
          ^
/Users/admin/builder/spi-builder-workspace/Sources/CollisionHash/CollisionHash.swift:38:1: note: add @available attribute to enclosing extension
extension Insecure {
^
SwiftCompile normal arm64 Compiling\ CollisionHash.swift /Users/admin/builder/spi-builder-workspace/Sources/CollisionHash/CollisionHash.swift (in target 'CollisionHash' from project 'CollisionHash')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CollisionHash/CollisionHash.swift (in target 'CollisionHash' from project 'CollisionHash')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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