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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 Firefly, reference main (0235d2), with Swift 6.1 for iOS using Xcode 16.3 on 27 Apr 2025 23:12:05 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ActuallyTaylor/Firefly.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ActuallyTaylor/Firefly
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 0235d2e Merge pull request #19 from ActuallyTaylor/ActuallyTaylor-patch-1
Cloned https://github.com/ActuallyTaylor/Firefly.git
Revision (git rev-parse @):
0235d2e82686a2db6acf5b00cbc8dc6331c97f03
SUCCESS checkout https://github.com/ActuallyTaylor/Firefly.git at main
========================================
Build
========================================
Selected platform:         iOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/ActuallyTaylor/Firefly.git
https://github.com/ActuallyTaylor/Firefly.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Firefly",
  "name" : "Firefly",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "10.15"
    }
  ],
  "products" : [
    {
      "name" : "Firefly",
      "targets" : [
        "Firefly"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "FireflyTests",
      "module_type" : "SwiftTarget",
      "name" : "FireflyTests",
      "path" : "Tests",
      "sources" : [
        "FireflyTests/FireflyTextViewTests.swift"
      ],
      "target_dependencies" : [
        "Firefly"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Firefly",
      "module_type" : "SwiftTarget",
      "name" : "Firefly",
      "path" : "Sources",
      "product_memberships" : [
        "Firefly"
      ],
      "sources" : [
        "Extensions/AttributedType.swift",
        "Extensions/Comparable + Clamped.swift",
        "Extensions/Dispatch.swift",
        "Extensions/NSTextView + Bounding Rect.swift",
        "Extensions/Range+Encompasses.swift",
        "Extensions/Safe Array.swift",
        "Extensions/String+NSRange.swift",
        "Extensions/UIColor+HexInit.swift",
        "Highlighter/Data/Languages.swift",
        "Highlighter/Data/Themes.swift",
        "Highlighter/Markdown.swift",
        "Highlighter/Syntax/Definition.swift",
        "Highlighter/Syntax/Syntax.swift",
        "Highlighter/Syntax/Theme.swift",
        "Highlighter/SyntaxAttributedString.swift",
        "Highlighter/Tokens/Token.swift",
        "Utility/KeyCommand.swift",
        "Views/FireflySyntaxView + TextDelegate.swift",
        "Views/FireflySyntaxView.swift",
        "Views/FireflyTextView.swift",
        "Views/FireflyTextViewDelegate.swift",
        "Views/Line Numbers/LineNumberLayoutManager.swift",
        "Views/Line Numbers/LineNumberRulerView.swift",
        "Views/Swift UI/FireflySyntaxEditor.swift",
        "Views/UIAppKitBirdge.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Firefly",
  "name" : "Firefly",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "10.15"
    }
  ],
  "products" : [
    {
      "name" : "Firefly",
      "targets" : [
        "Firefly"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "FireflyTests",
      "module_type" : "SwiftTarget",
      "name" : "FireflyTests",
      "path" : "Tests",
      "sources" : [
        "FireflyTests/FireflyTextViewTests.swift"
      ],
      "target_dependencies" : [
        "Firefly"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Firefly",
      "module_type" : "SwiftTarget",
      "name" : "Firefly",
      "path" : "Sources",
      "product_memberships" : [
        "Firefly"
      ],
      "sources" : [
        "Extensions/AttributedType.swift",
        "Extensions/Comparable + Clamped.swift",
        "Extensions/Dispatch.swift",
        "Extensions/NSTextView + Bounding Rect.swift",
        "Extensions/Range+Encompasses.swift",
        "Extensions/Safe Array.swift",
        "Extensions/String+NSRange.swift",
        "Extensions/UIColor+HexInit.swift",
        "Highlighter/Data/Languages.swift",
        "Highlighter/Data/Themes.swift",
        "Highlighter/Markdown.swift",
        "Highlighter/Syntax/Definition.swift",
        "Highlighter/Syntax/Syntax.swift",
        "Highlighter/Syntax/Theme.swift",
        "Highlighter/SyntaxAttributedString.swift",
        "Highlighter/Tokens/Token.swift",
        "Utility/KeyCommand.swift",
        "Views/FireflySyntaxView + TextDelegate.swift",
        "Views/FireflySyntaxView.swift",
        "Views/FireflyTextView.swift",
        "Views/FireflyTextViewDelegate.swift",
        "Views/Line Numbers/LineNumberLayoutManager.swift",
        "Views/Line Numbers/LineNumberRulerView.swift",
        "Views/Swift UI/FireflySyntaxEditor.swift",
        "Views/UIAppKitBirdge.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "Firefly",
    "schemes" : [
      "Firefly"
    ],
    "targets" : [
      "Firefly"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Firefly -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 Firefly -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
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (1 target)
    Target 'Firefly' in project 'Firefly' (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/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/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: c03a488fb963d460979a859dbbb676e9
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/c03a488fb963d460979a859dbbb676e9.xcbuilddata
/Users/admin/builder/spi-builder-workspace/Firefly.xcodeproj: error: No signing certificate "iOS Development" found: No "iOS Development" signing certificate matching team ID "TK7Y3X86W7" with a private key was found. (in target 'Firefly' from project 'Firefly')
** BUILD FAILED **
The following build commands failed:
	Building project Firefly with scheme Firefly
(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
resolved source packages:
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Firefly",
  "name" : "Firefly",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "10.15"
    }
  ],
  "products" : [
    {
      "name" : "Firefly",
      "targets" : [
        "Firefly"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "FireflyTests",
      "module_type" : "SwiftTarget",
      "name" : "FireflyTests",
      "path" : "Tests",
      "sources" : [
        "FireflyTests/FireflyTextViewTests.swift"
      ],
      "target_dependencies" : [
        "Firefly"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Firefly",
      "module_type" : "SwiftTarget",
      "name" : "Firefly",
      "path" : "Sources",
      "product_memberships" : [
        "Firefly"
      ],
      "sources" : [
        "Extensions/AttributedType.swift",
        "Extensions/Comparable + Clamped.swift",
        "Extensions/Dispatch.swift",
        "Extensions/NSTextView + Bounding Rect.swift",
        "Extensions/Range+Encompasses.swift",
        "Extensions/Safe Array.swift",
        "Extensions/String+NSRange.swift",
        "Extensions/UIColor+HexInit.swift",
        "Highlighter/Data/Languages.swift",
        "Highlighter/Data/Themes.swift",
        "Highlighter/Markdown.swift",
        "Highlighter/Syntax/Definition.swift",
        "Highlighter/Syntax/Syntax.swift",
        "Highlighter/Syntax/Theme.swift",
        "Highlighter/SyntaxAttributedString.swift",
        "Highlighter/Tokens/Token.swift",
        "Utility/KeyCommand.swift",
        "Views/FireflySyntaxView + TextDelegate.swift",
        "Views/FireflySyntaxView.swift",
        "Views/FireflyTextView.swift",
        "Views/FireflyTextViewDelegate.swift",
        "Views/Line Numbers/LineNumberLayoutManager.swift",
        "Views/Line Numbers/LineNumberRulerView.swift",
        "Views/Swift UI/FireflySyntaxEditor.swift",
        "Views/UIAppKitBirdge.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "Firefly",
    "schemes" : [
      "Firefly"
    ],
    "targets" : [
      "Firefly"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Firefly -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 Firefly -destination generic/platform=iOS
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (1 target)
    Target 'Firefly' in project 'Firefly' (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/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/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 7816db949fb6679beebb88fe4ae94491
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/7816db949fb6679beebb88fe4ae94491.xcbuilddata
/Users/admin/builder/spi-builder-workspace/Firefly.xcodeproj: error: No signing certificate "iOS Development" found: No "iOS Development" signing certificate matching team ID "TK7Y3X86W7" with a private key was found. (in target 'Firefly' from project 'Firefly')
** BUILD FAILED **
The following build commands failed:
	Building project Firefly with scheme Firefly
(1 failure)
BUILD FAILURE 6.1 iOS