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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 MarkWalkthrough, reference main (71b6e8), with Swift 6.1 for iOS using Xcode 16.3 on 28 Apr 2025 02:06:37 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/icanzilb/MarkWalkthrough.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/icanzilb/MarkWalkthrough
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 71b6e85 Merge pull request #1 from DivineDominion/ctietze/screenshot-background
Cloned https://github.com/icanzilb/MarkWalkthrough.git
Revision (git rev-parse @):
71b6e8518af2d7f61793f415aee5f9d015335f43
SUCCESS checkout https://github.com/icanzilb/MarkWalkthrough.git at main
========================================
Build
========================================
Selected platform:         iOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/icanzilb/MarkWalkthrough.git
https://github.com/icanzilb/MarkWalkthrough.git
{
  "dependencies" : [
    {
      "identity" : "markcodable",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.6.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/MarkCodable/MarkCodable"
    },
    {
      "identity" : "pow",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/EmergeTools/Pow"
    }
  ],
  "manifest_display_name" : "MarkWalkthrough",
  "name" : "MarkWalkthrough",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "MarkWalkthrough",
      "targets" : [
        "MarkWalkthrough"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "MarkWalkthrough",
      "module_type" : "SwiftTarget",
      "name" : "MarkWalkthrough",
      "path" : "Sources/MarkWalkthrough",
      "product_dependencies" : [
        "MarkCodable",
        "Pow"
      ],
      "product_memberships" : [
        "MarkWalkthrough"
      ],
      "sources" : [
        "AnyTransitionExt.swift",
        "MarkWalkthroughModel.swift",
        "MarkWalkthroughWindow.swift",
        "WalkthroughImageStyle.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
Fetching from https://github.com/EmergeTools/Pow
Fetching from https://github.com/MarkCodable/MarkCodable
Fetching from https://github.com/markcodable/swift-markdown.git
Fetching from https://github.com/markcodable/swift-cmark.git
Creating working copy of package ‘swift-cmark’
Checking out 0.100.1 of package ‘swift-cmark’
Creating working copy of package ‘MarkCodable’
Checking out 0.6.9 of package ‘MarkCodable’
Creating working copy of package ‘Pow’
Checking out 1.0.5 of package ‘Pow’
Creating working copy of package ‘swift-markdown’
Checking out 0.100.1 of package ‘swift-markdown’
Resolve Package Graph
Resolved source packages:
  swift-markdown: https://github.com/markcodable/swift-markdown.git @ 0.100.1
  MarkWalkthrough: /Users/admin/builder/spi-builder-workspace
  MarkCodable: https://github.com/MarkCodable/MarkCodable @ 0.6.9
  cmark-gfm: https://github.com/markcodable/swift-cmark.git @ 0.100.1
  Pow: https://github.com/EmergeTools/Pow @ 1.0.5
resolved source packages: swift-markdown, MarkWalkthrough, MarkCodable, cmark-gfm, Pow
{
  "dependencies" : [
    {
      "identity" : "markcodable",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.6.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/MarkCodable/MarkCodable"
    },
    {
      "identity" : "pow",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/EmergeTools/Pow"
    }
  ],
  "manifest_display_name" : "MarkWalkthrough",
  "name" : "MarkWalkthrough",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "MarkWalkthrough",
      "targets" : [
        "MarkWalkthrough"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "MarkWalkthrough",
      "module_type" : "SwiftTarget",
      "name" : "MarkWalkthrough",
      "path" : "Sources/MarkWalkthrough",
      "product_dependencies" : [
        "MarkCodable",
        "Pow"
      ],
      "product_memberships" : [
        "MarkWalkthrough"
      ],
      "sources" : [
        "AnyTransitionExt.swift",
        "MarkWalkthroughModel.swift",
        "MarkWalkthroughWindow.swift",
        "WalkthroughImageStyle.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "MarkWalkthrough"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme MarkWalkthrough -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 MarkWalkthrough -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:
  Pow: https://github.com/EmergeTools/Pow @ 1.0.5
  cmark-gfm: https://github.com/markcodable/swift-cmark.git @ 0.100.1
  swift-markdown: https://github.com/markcodable/swift-markdown.git @ 0.100.1
  MarkWalkthrough: /Users/admin/builder/spi-builder-workspace
  MarkCodable: https://github.com/MarkCodable/MarkCodable @ 0.6.9
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (14 targets)
    Target 'MarkWalkthrough' in project 'MarkWalkthrough'
        ➜ Explicit dependency on target 'MarkWalkthrough' in project 'MarkWalkthrough'
        ➜ Explicit dependency on target 'MarkCodable' in project 'MarkCodable'
        ➜ Explicit dependency on target 'Pow' in project 'Pow'
    Target 'MarkWalkthrough' in project 'MarkWalkthrough'
        ➜ Explicit dependency on target 'MarkCodable' in project 'MarkCodable'
        ➜ Explicit dependency on target 'Pow' in project 'Pow'
    Target 'Pow' in project 'Pow'
        ➜ Explicit dependency on target 'Pow' in project 'Pow'
        ➜ Explicit dependency on target 'Pow_Pow' in project 'Pow'
    Target 'Pow' in project 'Pow'
        ➜ Explicit dependency on target 'Pow_Pow' in project 'Pow'
    Target 'Pow_Pow' in project 'Pow' (no dependencies)
    Target 'MarkCodable' in project 'MarkCodable'
        ➜ Explicit dependency on target 'MarkCodable' in project 'MarkCodable'
        ➜ Explicit dependency on target 'Markdown' in project 'swift-markdown'
    Target 'MarkCodable' in project 'MarkCodable'
        ➜ Explicit dependency on target 'Markdown' in project 'swift-markdown'
    Target 'Markdown' in project 'swift-markdown'
        ➜ Explicit dependency on target 'Markdown' in project 'swift-markdown'
        ➜ Explicit dependency on target 'CAtomic' in project 'swift-markdown'
        ➜ Explicit dependency on target 'cmark-gfm' in project 'cmark-gfm'
        ➜ Explicit dependency on target 'cmark-gfm-extensions' in project 'cmark-gfm'
    Target 'Markdown' in project 'swift-markdown'
        ➜ Explicit dependency on target 'CAtomic' in project 'swift-markdown'
        ➜ Explicit dependency on target 'cmark-gfm' in project 'cmark-gfm'
        ➜ Explicit dependency on target 'cmark-gfm-extensions' in project 'cmark-gfm'
    Target 'cmark-gfm-extensions' in project 'cmark-gfm'
        ➜ Explicit dependency on target 'cmark-gfm-extensions' in project 'cmark-gfm'
        ➜ Explicit dependency on target 'cmark-gfm' in project 'cmark-gfm'
    Target 'cmark-gfm-extensions' in project 'cmark-gfm'
        ➜ Explicit dependency on target 'cmark-gfm' in project 'cmark-gfm'
    Target 'cmark-gfm' in project 'cmark-gfm'
        ➜ Explicit dependency on target 'cmark-gfm' in project 'cmark-gfm'
    Target 'cmark-gfm' in project 'cmark-gfm' (no dependencies)
    Target 'CAtomic' in project 'swift-markdown' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -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/usr/bin/actool --version --output-format xml1
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
ReadFileContents /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
Build description signature: bb4ed90a3828af41e44c5051774805e2
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/bb4ed90a3828af41e44c5051774805e2.xcbuilddata
error: The package product 'MarkCodable' requires minimum platform version 13.0 for the iOS platform, but this target supports 12.0 (in target 'MarkWalkthrough' from project 'MarkWalkthrough')
error: The package product 'Pow' requires minimum platform version 15.0 for the iOS platform, but this target supports 12.0 (in target 'MarkWalkthrough' from project 'MarkWalkthrough')
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme MarkWalkthrough
(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:
  MarkWalkthrough: /Users/admin/builder/spi-builder-workspace
  cmark-gfm: https://github.com/markcodable/swift-cmark.git @ 0.100.1
  Pow: https://github.com/EmergeTools/Pow @ 1.0.5
  MarkCodable: https://github.com/MarkCodable/MarkCodable @ 0.6.9
  swift-markdown: https://github.com/markcodable/swift-markdown.git @ 0.100.1
resolved source packages: MarkWalkthrough, cmark-gfm, Pow, MarkCodable, swift-markdown
{
  "dependencies" : [
    {
      "identity" : "markcodable",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.6.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/MarkCodable/MarkCodable"
    },
    {
      "identity" : "pow",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/EmergeTools/Pow"
    }
  ],
  "manifest_display_name" : "MarkWalkthrough",
  "name" : "MarkWalkthrough",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "MarkWalkthrough",
      "targets" : [
        "MarkWalkthrough"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "MarkWalkthrough",
      "module_type" : "SwiftTarget",
      "name" : "MarkWalkthrough",
      "path" : "Sources/MarkWalkthrough",
      "product_dependencies" : [
        "MarkCodable",
        "Pow"
      ],
      "product_memberships" : [
        "MarkWalkthrough"
      ],
      "sources" : [
        "AnyTransitionExt.swift",
        "MarkWalkthroughModel.swift",
        "MarkWalkthroughWindow.swift",
        "WalkthroughImageStyle.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "MarkWalkthrough"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme MarkWalkthrough -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 MarkWalkthrough -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
  MarkCodable: https://github.com/MarkCodable/MarkCodable @ 0.6.9
  MarkWalkthrough: /Users/admin/builder/spi-builder-workspace
  swift-markdown: https://github.com/markcodable/swift-markdown.git @ 0.100.1
  cmark-gfm: https://github.com/markcodable/swift-cmark.git @ 0.100.1
  Pow: https://github.com/EmergeTools/Pow @ 1.0.5
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (14 targets)
    Target 'MarkWalkthrough' in project 'MarkWalkthrough'
        ➜ Explicit dependency on target 'MarkWalkthrough' in project 'MarkWalkthrough'
        ➜ Explicit dependency on target 'MarkCodable' in project 'MarkCodable'
        ➜ Explicit dependency on target 'Pow' in project 'Pow'
    Target 'MarkWalkthrough' in project 'MarkWalkthrough'
        ➜ Explicit dependency on target 'MarkCodable' in project 'MarkCodable'
        ➜ Explicit dependency on target 'Pow' in project 'Pow'
    Target 'Pow' in project 'Pow'
        ➜ Explicit dependency on target 'Pow' in project 'Pow'
        ➜ Explicit dependency on target 'Pow_Pow' in project 'Pow'
    Target 'Pow' in project 'Pow'
        ➜ Explicit dependency on target 'Pow_Pow' in project 'Pow'
    Target 'Pow_Pow' in project 'Pow' (no dependencies)
    Target 'MarkCodable' in project 'MarkCodable'
        ➜ Explicit dependency on target 'MarkCodable' in project 'MarkCodable'
        ➜ Explicit dependency on target 'Markdown' in project 'swift-markdown'
    Target 'MarkCodable' in project 'MarkCodable'
        ➜ Explicit dependency on target 'Markdown' in project 'swift-markdown'
    Target 'Markdown' in project 'swift-markdown'
        ➜ Explicit dependency on target 'Markdown' in project 'swift-markdown'
        ➜ Explicit dependency on target 'CAtomic' in project 'swift-markdown'
        ➜ Explicit dependency on target 'cmark-gfm' in project 'cmark-gfm'
        ➜ Explicit dependency on target 'cmark-gfm-extensions' in project 'cmark-gfm'
    Target 'Markdown' in project 'swift-markdown'
        ➜ Explicit dependency on target 'CAtomic' in project 'swift-markdown'
        ➜ Explicit dependency on target 'cmark-gfm' in project 'cmark-gfm'
        ➜ Explicit dependency on target 'cmark-gfm-extensions' in project 'cmark-gfm'
    Target 'cmark-gfm-extensions' in project 'cmark-gfm'
        ➜ Explicit dependency on target 'cmark-gfm-extensions' in project 'cmark-gfm'
        ➜ Explicit dependency on target 'cmark-gfm' in project 'cmark-gfm'
    Target 'cmark-gfm-extensions' in project 'cmark-gfm'
        ➜ Explicit dependency on target 'cmark-gfm' in project 'cmark-gfm'
    Target 'cmark-gfm' in project 'cmark-gfm'
        ➜ Explicit dependency on target 'cmark-gfm' in project 'cmark-gfm'
    Target 'cmark-gfm' in project 'cmark-gfm' (no dependencies)
    Target 'CAtomic' in project 'swift-markdown' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -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/usr/bin/actool --version --output-format xml1
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
ReadFileContents /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
Build description signature: 9c697625c50208dc61fdf1ca523b0085
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/9c697625c50208dc61fdf1ca523b0085.xcbuilddata
error: The package product 'MarkCodable' requires minimum platform version 13.0 for the iOS platform, but this target supports 12.0 (in target 'MarkWalkthrough' from project 'MarkWalkthrough')
error: The package product 'Pow' requires minimum platform version 15.0 for the iOS platform, but this target supports 12.0 (in target 'MarkWalkthrough' from project 'MarkWalkthrough')
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme MarkWalkthrough
(1 failure)
BUILD FAILURE 6.1 iOS