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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 ProgressLine, reference 0.2.4 (3bf0ac), with Swift 6.1 for watchOS using Xcode 16.3 on 30 Apr 2025 07:40:23 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/kattouf/ProgressLine.git
Reference: 0.2.4
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/kattouf/ProgressLine
 * tag               0.2.4      -> FETCH_HEAD
HEAD is now at 3bf0ac6 chore(release): Bump version to 0.2.4
Cloned https://github.com/kattouf/ProgressLine.git
Revision (git rev-parse @):
3bf0ac693493d6a682243a42238f4e9061e38fb2
SUCCESS checkout https://github.com/kattouf/ProgressLine.git at 0.2.4
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/kattouf/ProgressLine.git
https://github.com/kattouf/ProgressLine.git
{
  "dependencies" : [
    {
      "identity" : "swift-argument-parser",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.4.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-argument-parser.git"
    },
    {
      "identity" : "swift-tagged",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.10.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/pointfreeco/swift-tagged.git"
    },
    {
      "identity" : "swift-concurrency-extras",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.1.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/pointfreeco/swift-concurrency-extras.git"
    }
  ],
  "manifest_display_name" : "ProgressLine",
  "name" : "ProgressLine",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    }
  ],
  "products" : [
    {
      "name" : "progressline",
      "targets" : [
        "progressline"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "progressline",
      "module_type" : "SwiftTarget",
      "name" : "progressline",
      "path" : "Sources",
      "product_dependencies" : [
        "ArgumentParser",
        "TaggedTime",
        "ConcurrencyExtras"
      ],
      "product_memberships" : [
        "progressline"
      ],
      "sources" : [
        "ANSI.swift",
        "ActivityIndicator+CommandArgument.swift",
        "ActivityIndicator.swift",
        "ErrorMessage.swift",
        "FileHandler+AsyncStream.swift",
        "LogAllController.swift",
        "MatchesController.swift",
        "OriginalLogController.swift",
        "Printer.swift",
        "PrintersHolder.swift",
        "ProgressLine.swift",
        "ProgressLineController.swift",
        "ProgressLineFormatter.swift",
        "ProgressTracker.swift",
        "String+ANSI.swift",
        "Task+Periodic.swift",
        "UnderProgressLineLogger.swift",
        "Version.swift",
        "WindowSizeObserver.swift",
        "isTTY.swift"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "5.10"
}
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/pointfreeco/swift-tagged.git
Fetching from https://github.com/pointfreeco/swift-concurrency-extras.git (cached)
Fetching from https://github.com/apple/swift-argument-parser.git (cached)
Creating working copy of package ‘swift-argument-parser’
Checking out 1.5.0 of package ‘swift-argument-parser’
Creating working copy of package ‘swift-tagged’
Checking out 0.10.0 of package ‘swift-tagged’
Creating working copy of package ‘swift-concurrency-extras’
Checking out 1.3.1 of package ‘swift-concurrency-extras’
Resolve Package Graph
Resolved source packages:
  swift-concurrency-extras: https://github.com/pointfreeco/swift-concurrency-extras.git @ 1.3.1
  ProgressLine: /Users/admin/builder/spi-builder-workspace
  swift-argument-parser: https://github.com/apple/swift-argument-parser.git @ 1.5.0
  swift-tagged: https://github.com/pointfreeco/swift-tagged.git @ 0.10.0
resolved source packages: swift-concurrency-extras, ProgressLine, swift-argument-parser, swift-tagged
{
  "dependencies" : [
    {
      "identity" : "swift-argument-parser",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.4.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-argument-parser.git"
    },
    {
      "identity" : "swift-tagged",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.10.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/pointfreeco/swift-tagged.git"
    },
    {
      "identity" : "swift-concurrency-extras",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.1.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/pointfreeco/swift-concurrency-extras.git"
    }
  ],
  "manifest_display_name" : "ProgressLine",
  "name" : "ProgressLine",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    }
  ],
  "products" : [
    {
      "name" : "progressline",
      "targets" : [
        "progressline"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "progressline",
      "module_type" : "SwiftTarget",
      "name" : "progressline",
      "path" : "Sources",
      "product_dependencies" : [
        "ArgumentParser",
        "TaggedTime",
        "ConcurrencyExtras"
      ],
      "product_memberships" : [
        "progressline"
      ],
      "sources" : [
        "ANSI.swift",
        "ActivityIndicator+CommandArgument.swift",
        "ActivityIndicator.swift",
        "ErrorMessage.swift",
        "FileHandler+AsyncStream.swift",
        "LogAllController.swift",
        "MatchesController.swift",
        "OriginalLogController.swift",
        "Printer.swift",
        "PrintersHolder.swift",
        "ProgressLine.swift",
        "ProgressLineController.swift",
        "ProgressLineFormatter.swift",
        "ProgressTracker.swift",
        "String+ANSI.swift",
        "Task+Periodic.swift",
        "UnderProgressLineLogger.swift",
        "Version.swift",
        "WindowSizeObserver.swift",
        "isTTY.swift"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "5.10"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "ProgressLine"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme ProgressLine -destination generic/platform=watchOS 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 ProgressLine -destination generic/platform=watchOS "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:
  swift-argument-parser: https://github.com/apple/swift-argument-parser.git @ 1.5.0
  swift-tagged: https://github.com/pointfreeco/swift-tagged.git @ 0.10.0
  swift-concurrency-extras: https://github.com/pointfreeco/swift-concurrency-extras.git @ 1.3.1
  ProgressLine: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (9 targets)
    Target 'progressline' in project 'ProgressLine'
        ➜ Explicit dependency on target 'ArgumentParser' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'TaggedTime' in project 'swift-tagged'
        ➜ Explicit dependency on target 'ConcurrencyExtras' in project 'swift-concurrency-extras'
    Target 'ConcurrencyExtras' in project 'swift-concurrency-extras'
        ➜ Explicit dependency on target 'ConcurrencyExtras' in project 'swift-concurrency-extras'
    Target 'ConcurrencyExtras' in project 'swift-concurrency-extras' (no dependencies)
    Target 'TaggedTime' in project 'swift-tagged'
        ➜ Explicit dependency on target 'TaggedTime' in project 'swift-tagged'
        ➜ Explicit dependency on target 'Tagged' in project 'swift-tagged'
    Target 'TaggedTime' in project 'swift-tagged'
        ➜ Explicit dependency on target 'Tagged' in project 'swift-tagged'
    Target 'Tagged' in project 'swift-tagged' (no dependencies)
    Target 'ArgumentParser' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'ArgumentParser' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'ArgumentParserToolInfo' in project 'swift-argument-parser'
    Target 'ArgumentParser' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'ArgumentParserToolInfo' in project 'swift-argument-parser'
    Target 'ArgumentParserToolInfo' in project 'swift-argument-parser' (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/WatchOS.platform/Developer/SDKs/WatchOS11.4.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: b650bc946aa95ad26206ae567f82b930
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/b650bc946aa95ad26206ae567f82b930.xcbuilddata
error: The package product 'ConcurrencyExtras' requires minimum platform version 6.0 for the watchOS platform, but this target supports 5.0 (in target 'progressline' from project 'ProgressLine')
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme ProgressLine
(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:
  ProgressLine: /Users/admin/builder/spi-builder-workspace
  swift-tagged: https://github.com/pointfreeco/swift-tagged.git @ 0.10.0
  swift-concurrency-extras: https://github.com/pointfreeco/swift-concurrency-extras.git @ 1.3.1
  swift-argument-parser: https://github.com/apple/swift-argument-parser.git @ 1.5.0
resolved source packages: ProgressLine, swift-tagged, swift-concurrency-extras, swift-argument-parser
{
  "dependencies" : [
    {
      "identity" : "swift-argument-parser",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.4.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-argument-parser.git"
    },
    {
      "identity" : "swift-tagged",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.10.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/pointfreeco/swift-tagged.git"
    },
    {
      "identity" : "swift-concurrency-extras",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.1.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/pointfreeco/swift-concurrency-extras.git"
    }
  ],
  "manifest_display_name" : "ProgressLine",
  "name" : "ProgressLine",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    }
  ],
  "products" : [
    {
      "name" : "progressline",
      "targets" : [
        "progressline"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "progressline",
      "module_type" : "SwiftTarget",
      "name" : "progressline",
      "path" : "Sources",
      "product_dependencies" : [
        "ArgumentParser",
        "TaggedTime",
        "ConcurrencyExtras"
      ],
      "product_memberships" : [
        "progressline"
      ],
      "sources" : [
        "ANSI.swift",
        "ActivityIndicator+CommandArgument.swift",
        "ActivityIndicator.swift",
        "ErrorMessage.swift",
        "FileHandler+AsyncStream.swift",
        "LogAllController.swift",
        "MatchesController.swift",
        "OriginalLogController.swift",
        "Printer.swift",
        "PrintersHolder.swift",
        "ProgressLine.swift",
        "ProgressLineController.swift",
        "ProgressLineFormatter.swift",
        "ProgressTracker.swift",
        "String+ANSI.swift",
        "Task+Periodic.swift",
        "UnderProgressLineLogger.swift",
        "Version.swift",
        "WindowSizeObserver.swift",
        "isTTY.swift"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "5.10"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "ProgressLine"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme ProgressLine -destination generic/platform=watchOS
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 ProgressLine -destination generic/platform=watchOS
Resolve Package Graph
Resolved source packages:
  swift-tagged: https://github.com/pointfreeco/swift-tagged.git @ 0.10.0
  swift-concurrency-extras: https://github.com/pointfreeco/swift-concurrency-extras.git @ 1.3.1
  ProgressLine: /Users/admin/builder/spi-builder-workspace
  swift-argument-parser: https://github.com/apple/swift-argument-parser.git @ 1.5.0
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (9 targets)
    Target 'progressline' in project 'ProgressLine'
        ➜ Explicit dependency on target 'ArgumentParser' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'TaggedTime' in project 'swift-tagged'
        ➜ Explicit dependency on target 'ConcurrencyExtras' in project 'swift-concurrency-extras'
    Target 'ConcurrencyExtras' in project 'swift-concurrency-extras'
        ➜ Explicit dependency on target 'ConcurrencyExtras' in project 'swift-concurrency-extras'
    Target 'ConcurrencyExtras' in project 'swift-concurrency-extras' (no dependencies)
    Target 'TaggedTime' in project 'swift-tagged'
        ➜ Explicit dependency on target 'TaggedTime' in project 'swift-tagged'
        ➜ Explicit dependency on target 'Tagged' in project 'swift-tagged'
    Target 'TaggedTime' in project 'swift-tagged'
        ➜ Explicit dependency on target 'Tagged' in project 'swift-tagged'
    Target 'Tagged' in project 'swift-tagged' (no dependencies)
    Target 'ArgumentParser' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'ArgumentParser' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'ArgumentParserToolInfo' in project 'swift-argument-parser'
    Target 'ArgumentParser' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'ArgumentParserToolInfo' in project 'swift-argument-parser'
    Target 'ArgumentParserToolInfo' in project 'swift-argument-parser' (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/WatchOS.platform/Developer/SDKs/WatchOS11.4.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: cb1630f537780c5a15c1b3d9fd7e9269
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/cb1630f537780c5a15c1b3d9fd7e9269.xcbuilddata
error: The package product 'ConcurrencyExtras' requires minimum platform version 6.0 for the watchOS platform, but this target supports 5.0 (in target 'progressline' from project 'ProgressLine')
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme ProgressLine
(1 failure)
BUILD FAILURE 6.1 watchOS