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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 ImageZoom, reference main (67807f), with Swift 6.1 for iOS using Xcode 16.3 on 27 Apr 2025 16:19:30 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/markbattistella/image-zoom-publish-plugin.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/markbattistella/image-zoom-publish-plugin
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 67807f5 Update README.md
Cloned https://github.com/markbattistella/image-zoom-publish-plugin.git
Revision (git rev-parse @):
67807f531803c0f3110d0f33a2183101bf98daac
SUCCESS checkout https://github.com/markbattistella/image-zoom-publish-plugin.git at main
========================================
Build
========================================
Selected platform:         iOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/markbattistella/image-zoom-publish-plugin.git
https://github.com/markbattistella/image-zoom-publish-plugin.git
{
  "dependencies" : [
    {
      "identity" : "publish",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.8.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/johnsundell/publish.git"
    }
  ],
  "manifest_display_name" : "ImageZoom",
  "name" : "ImageZoom",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "ImageZoom",
      "targets" : [
        "ImageZoom"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ImageZoom",
      "module_type" : "SwiftTarget",
      "name" : "ImageZoom",
      "path" : "Sources/ImageZoom",
      "product_dependencies" : [
        "Publish"
      ],
      "product_memberships" : [
        "ImageZoom"
      ],
      "sources" : [
        "ImageZoom.swift",
        "Support/Builder.swift",
        "Support/Utilities/Attribute.swift",
        "Support/Utilities/Delimiter+Enum.swift",
        "Support/Utilities/HTMLElements+Ext.swift",
        "Support/Utilities/Substring+Ext.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
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
Fetching from https://github.com/johnsundell/publish.git
Fetching from https://github.com/johnsundell/plot.git
Fetching from https://github.com/johnsundell/ink.git
Fetching from https://github.com/johnsundell/sweep.git
Fetching from https://github.com/johnsundell/files.git
Fetching from https://github.com/johnsundell/shellout.git
Fetching from https://github.com/johnsundell/collectionConcurrencyKit.git
Fetching from https://github.com/johnsundell/codextended.git
Creating working copy of package ‘plot’
Checking out 0.14.0 of package ‘plot’
Creating working copy of package ‘shellout’
Checking out 2.3.0 of package ‘shellout’
Creating working copy of package ‘sweep’
Checking out 0.4.0 of package ‘sweep’
Creating working copy of package ‘collectionConcurrencyKit’
Checking out 0.2.0 of package ‘collectionConcurrencyKit’
Creating working copy of package ‘files’
Checking out 4.2.0 of package ‘files’
Creating working copy of package ‘publish’
Checking out 0.9.0 of package ‘publish’
Creating working copy of package ‘ink’
Checking out 0.6.0 of package ‘ink’
Creating working copy of package ‘codextended’
Checking out 0.3.0 of package ‘codextended’
Resolve Package Graph
Resolved source packages:
  ImageZoom: /Users/admin/builder/spi-builder-workspace
  Plot: https://github.com/johnsundell/plot.git @ 0.14.0
  Files: https://github.com/johnsundell/files.git @ 4.2.0
  Publish: https://github.com/johnsundell/publish.git @ 0.9.0
  Ink: https://github.com/johnsundell/ink.git @ 0.6.0
  CollectionConcurrencyKit: https://github.com/johnsundell/collectionConcurrencyKit.git @ 0.2.0
  Codextended: https://github.com/johnsundell/codextended.git @ 0.3.0
  ShellOut: https://github.com/johnsundell/shellout.git @ 2.3.0
  Sweep: https://github.com/johnsundell/sweep.git @ 0.4.0
resolved source packages: ImageZoom, Plot, Files, Publish, Ink, CollectionConcurrencyKit, Codextended, ShellOut, Sweep
{
  "dependencies" : [
    {
      "identity" : "publish",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.8.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/johnsundell/publish.git"
    }
  ],
  "manifest_display_name" : "ImageZoom",
  "name" : "ImageZoom",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "ImageZoom",
      "targets" : [
        "ImageZoom"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ImageZoom",
      "module_type" : "SwiftTarget",
      "name" : "ImageZoom",
      "path" : "Sources/ImageZoom",
      "product_dependencies" : [
        "Publish"
      ],
      "product_memberships" : [
        "ImageZoom"
      ],
      "sources" : [
        "ImageZoom.swift",
        "Support/Builder.swift",
        "Support/Utilities/Attribute.swift",
        "Support/Utilities/Delimiter+Enum.swift",
        "Support/Utilities/HTMLElements+Ext.swift",
        "Support/Utilities/Substring+Ext.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "ImageZoom"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme ImageZoom -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 ImageZoom -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
Resolve Package Graph
Resolved source packages:
  Publish: https://github.com/johnsundell/publish.git @ 0.9.0
  ShellOut: https://github.com/johnsundell/shellout.git @ 2.3.0
  Files: https://github.com/johnsundell/files.git @ 4.2.0
  Ink: https://github.com/johnsundell/ink.git @ 0.6.0
  CollectionConcurrencyKit: https://github.com/johnsundell/collectionConcurrencyKit.git @ 0.2.0
  Plot: https://github.com/johnsundell/plot.git @ 0.14.0
  Sweep: https://github.com/johnsundell/sweep.git @ 0.4.0
  ImageZoom: /Users/admin/builder/spi-builder-workspace
  Codextended: https://github.com/johnsundell/codextended.git @ 0.3.0
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (18 targets)
    Target 'ImageZoom' in project 'ImageZoom'
        ➜ Explicit dependency on target 'ImageZoom' in project 'ImageZoom'
        ➜ Explicit dependency on target 'Publish' in project 'Publish'
    Target 'ImageZoom' in project 'ImageZoom'
        ➜ Explicit dependency on target 'Publish' in project 'Publish'
    Target 'Publish' in project 'Publish'
        ➜ Explicit dependency on target 'Publish' in project 'Publish'
        ➜ Explicit dependency on target 'Ink' in project 'Ink'
        ➜ Explicit dependency on target 'Plot' in project 'Plot'
        ➜ Explicit dependency on target 'Files' in project 'Files'
        ➜ Explicit dependency on target 'Codextended' in project 'Codextended'
        ➜ Explicit dependency on target 'ShellOut' in project 'ShellOut'
        ➜ Explicit dependency on target 'Sweep' in project 'Sweep'
        ➜ Explicit dependency on target 'CollectionConcurrencyKit' in project 'CollectionConcurrencyKit'
    Target 'Publish' in project 'Publish'
        ➜ Explicit dependency on target 'Ink' in project 'Ink'
        ➜ Explicit dependency on target 'Plot' in project 'Plot'
        ➜ Explicit dependency on target 'Files' in project 'Files'
        ➜ Explicit dependency on target 'Codextended' in project 'Codextended'
        ➜ Explicit dependency on target 'ShellOut' in project 'ShellOut'
        ➜ Explicit dependency on target 'Sweep' in project 'Sweep'
        ➜ Explicit dependency on target 'CollectionConcurrencyKit' in project 'CollectionConcurrencyKit'
    Target 'CollectionConcurrencyKit' in project 'CollectionConcurrencyKit'
        ➜ Explicit dependency on target 'CollectionConcurrencyKit' in project 'CollectionConcurrencyKit'
    Target 'CollectionConcurrencyKit' in project 'CollectionConcurrencyKit' (no dependencies)
    Target 'Sweep' in project 'Sweep'
        ➜ Explicit dependency on target 'Sweep' in project 'Sweep'
    Target 'Sweep' in project 'Sweep' (no dependencies)
    Target 'ShellOut' in project 'ShellOut'
        ➜ Explicit dependency on target 'ShellOut' in project 'ShellOut'
    Target 'ShellOut' in project 'ShellOut' (no dependencies)
    Target 'Codextended' in project 'Codextended'
        ➜ Explicit dependency on target 'Codextended' in project 'Codextended'
    Target 'Codextended' in project 'Codextended' (no dependencies)
    Target 'Files' in project 'Files'
        ➜ Explicit dependency on target 'Files' in project 'Files'
    Target 'Files' in project 'Files' (no dependencies)
    Target 'Plot' in project 'Plot'
        ➜ Explicit dependency on target 'Plot' in project 'Plot'
    Target 'Plot' in project 'Plot' (no dependencies)
    Target 'Ink' in project 'Ink'
        ➜ Explicit dependency on target 'Ink' in project 'Ink'
    Target 'Ink' in project 'Ink' (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: dd32fdcc5ef192898dc12303230cb1b2
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/dd32fdcc5ef192898dc12303230cb1b2.xcbuilddata
error: The package product 'CollectionConcurrencyKit' requires minimum platform version 13.0 for the iOS platform, but this target supports 12.0 (in target 'Publish' from project 'Publish')
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme ImageZoom
(1 failure)
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:
  CollectionConcurrencyKit: https://github.com/johnsundell/collectionConcurrencyKit.git @ 0.2.0
  Plot: https://github.com/johnsundell/plot.git @ 0.14.0
  ShellOut: https://github.com/johnsundell/shellout.git @ 2.3.0
  Publish: https://github.com/johnsundell/publish.git @ 0.9.0
  Files: https://github.com/johnsundell/files.git @ 4.2.0
  Codextended: https://github.com/johnsundell/codextended.git @ 0.3.0
  Ink: https://github.com/johnsundell/ink.git @ 0.6.0
  ImageZoom: /Users/admin/builder/spi-builder-workspace
  Sweep: https://github.com/johnsundell/sweep.git @ 0.4.0
resolved source packages: CollectionConcurrencyKit, Plot, ShellOut, Publish, Files, Codextended, Ink, ImageZoom, Sweep
{
  "dependencies" : [
    {
      "identity" : "publish",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.8.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/johnsundell/publish.git"
    }
  ],
  "manifest_display_name" : "ImageZoom",
  "name" : "ImageZoom",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "ImageZoom",
      "targets" : [
        "ImageZoom"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ImageZoom",
      "module_type" : "SwiftTarget",
      "name" : "ImageZoom",
      "path" : "Sources/ImageZoom",
      "product_dependencies" : [
        "Publish"
      ],
      "product_memberships" : [
        "ImageZoom"
      ],
      "sources" : [
        "ImageZoom.swift",
        "Support/Builder.swift",
        "Support/Utilities/Attribute.swift",
        "Support/Utilities/Delimiter+Enum.swift",
        "Support/Utilities/HTMLElements+Ext.swift",
        "Support/Utilities/Substring+Ext.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "ImageZoom"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme ImageZoom -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 ImageZoom -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
  Publish: https://github.com/johnsundell/publish.git @ 0.9.0
  Plot: https://github.com/johnsundell/plot.git @ 0.14.0
  ImageZoom: /Users/admin/builder/spi-builder-workspace
  Files: https://github.com/johnsundell/files.git @ 4.2.0
  CollectionConcurrencyKit: https://github.com/johnsundell/collectionConcurrencyKit.git @ 0.2.0
  ShellOut: https://github.com/johnsundell/shellout.git @ 2.3.0
  Codextended: https://github.com/johnsundell/codextended.git @ 0.3.0
  Ink: https://github.com/johnsundell/ink.git @ 0.6.0
  Sweep: https://github.com/johnsundell/sweep.git @ 0.4.0
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (18 targets)
    Target 'ImageZoom' in project 'ImageZoom'
        ➜ Explicit dependency on target 'ImageZoom' in project 'ImageZoom'
        ➜ Explicit dependency on target 'Publish' in project 'Publish'
    Target 'ImageZoom' in project 'ImageZoom'
        ➜ Explicit dependency on target 'Publish' in project 'Publish'
    Target 'Publish' in project 'Publish'
        ➜ Explicit dependency on target 'Publish' in project 'Publish'
        ➜ Explicit dependency on target 'Ink' in project 'Ink'
        ➜ Explicit dependency on target 'Plot' in project 'Plot'
        ➜ Explicit dependency on target 'Files' in project 'Files'
        ➜ Explicit dependency on target 'Codextended' in project 'Codextended'
        ➜ Explicit dependency on target 'ShellOut' in project 'ShellOut'
        ➜ Explicit dependency on target 'Sweep' in project 'Sweep'
        ➜ Explicit dependency on target 'CollectionConcurrencyKit' in project 'CollectionConcurrencyKit'
    Target 'Publish' in project 'Publish'
        ➜ Explicit dependency on target 'Ink' in project 'Ink'
        ➜ Explicit dependency on target 'Plot' in project 'Plot'
        ➜ Explicit dependency on target 'Files' in project 'Files'
        ➜ Explicit dependency on target 'Codextended' in project 'Codextended'
        ➜ Explicit dependency on target 'ShellOut' in project 'ShellOut'
        ➜ Explicit dependency on target 'Sweep' in project 'Sweep'
        ➜ Explicit dependency on target 'CollectionConcurrencyKit' in project 'CollectionConcurrencyKit'
    Target 'CollectionConcurrencyKit' in project 'CollectionConcurrencyKit'
        ➜ Explicit dependency on target 'CollectionConcurrencyKit' in project 'CollectionConcurrencyKit'
    Target 'CollectionConcurrencyKit' in project 'CollectionConcurrencyKit' (no dependencies)
    Target 'Sweep' in project 'Sweep'
        ➜ Explicit dependency on target 'Sweep' in project 'Sweep'
    Target 'Sweep' in project 'Sweep' (no dependencies)
    Target 'ShellOut' in project 'ShellOut'
        ➜ Explicit dependency on target 'ShellOut' in project 'ShellOut'
    Target 'ShellOut' in project 'ShellOut' (no dependencies)
    Target 'Codextended' in project 'Codextended'
        ➜ Explicit dependency on target 'Codextended' in project 'Codextended'
    Target 'Codextended' in project 'Codextended' (no dependencies)
    Target 'Files' in project 'Files'
        ➜ Explicit dependency on target 'Files' in project 'Files'
    Target 'Files' in project 'Files' (no dependencies)
    Target 'Plot' in project 'Plot'
        ➜ Explicit dependency on target 'Plot' in project 'Plot'
    Target 'Plot' in project 'Plot' (no dependencies)
    Target 'Ink' in project 'Ink'
        ➜ Explicit dependency on target 'Ink' in project 'Ink'
    Target 'Ink' in project 'Ink' (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: 63e35b3f28a542b9c8fd2d057dd665fa
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/63e35b3f28a542b9c8fd2d057dd665fa.xcbuilddata
error: The package product 'CollectionConcurrencyKit' requires minimum platform version 13.0 for the iOS platform, but this target supports 12.0 (in target 'Publish' from project 'Publish')
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme ImageZoom
(1 failure)
BUILD FAILURE 6.1 iOS