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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 Donut, reference master (0b9064), with Swift 6.1 for macOS (SPM) on 24 Apr 2025 21:42:02 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/natmark/donut.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/natmark/donut
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 0b90644 Bump version
Cloned https://github.com/natmark/donut.git
Revision (git rev-parse @):
0b90644b5635f1f988a311c93b297ac0a44f6495
SUCCESS checkout https://github.com/natmark/donut.git at master
Fetching https://github.com/Carthage/Commandant.git
Fetching https://github.com/yutailang0119/ProgressSpinnerKit
Fetching https://github.com/thoughtbot/Curry.git
Fetching https://github.com/Quick/Nimble.git
Fetching https://github.com/Carthage/ReactiveTask.git
Fetching https://github.com/apple/swift-package-manager.git
Fetching https://github.com/antitypical/Result.git
[1/1925] Fetching reactivetask
[78/4254] Fetching reactivetask, commandant
[79/6787] Fetching reactivetask, commandant, result
[130/7362] Fetching reactivetask, commandant, result, progressspinnerkit
[274/7959] Fetching reactivetask, commandant, result, progressspinnerkit, curry
Fetched https://github.com/thoughtbot/Curry.git from cache (0.80s)
Fetching https://github.com/ReactiveCocoa/ReactiveSwift.git
[3432/7362] Fetching reactivetask, commandant, result, progressspinnerkit
Fetched https://github.com/Carthage/Commandant.git from cache (0.91s)
Fetched https://github.com/yutailang0119/ProgressSpinnerKit from cache (0.91s)
Fetching https://github.com/Quick/Quick.git
[1/19567] Fetching nimble
[3132/72055] Fetching nimble, reactiveswift
[20948/86810] Fetching nimble, reactiveswift, quick
Fetched https://github.com/Quick/Quick.git from cache (1.34s)
[55259/72055] Fetching nimble, reactiveswift
[59459/223162] Fetching nimble, reactiveswift, swift-package-manager
Fetched https://github.com/ReactiveCocoa/ReactiveSwift.git from cache (2.06s)
[31656/170674] Fetching nimble, swift-package-manager
Fetched https://github.com/apple/swift-package-manager.git from cache (18.10s)
Fetched https://github.com/Carthage/ReactiveTask.git from cache (18.10s)
Fetched https://github.com/antitypical/Result.git from cache (18.10s)
Computing version for https://github.com/yutailang0119/ProgressSpinnerKit
Fetched https://github.com/Quick/Nimble.git from cache (18.10s)
Computed https://github.com/yutailang0119/ProgressSpinnerKit at 0.1.0 (18.67s)
Computing version for https://github.com/thoughtbot/Curry.git
error: package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.1' to specify the current tools version
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/natmark/donut.git
https://github.com/natmark/donut.git
{
  "dependencies" : [
    {
      "identity" : "reactivetask",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.14.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Carthage/ReactiveTask.git"
    },
    {
      "identity" : "commandant",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.13.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Carthage/Commandant.git"
    },
    {
      "identity" : "curry",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "4.0.1",
            "upper_bound" : "5.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/thoughtbot/Curry.git"
    },
    {
      "identity" : "progressspinnerkit",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.1.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/yutailang0119/ProgressSpinnerKit"
    }
  ],
  "manifest_display_name" : "Donut",
  "name" : "Donut",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "donut",
      "targets" : [
        "Donut"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "DonutKit",
      "targets" : [
        "DonutKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "DonutTests",
      "module_type" : "SwiftTarget",
      "name" : "DonutTests",
      "path" : "Tests",
      "sources" : [
        "TemplateDirectoryTests.swift"
      ],
      "target_dependencies" : [
        "Donut"
      ],
      "type" : "test"
    },
    {
      "c99name" : "DonutKit",
      "module_type" : "SwiftTarget",
      "name" : "DonutKit",
      "path" : "Sources/DonutKit",
      "product_dependencies" : [
        "ReactiveTask",
        "ProgressSpinnerKit"
      ],
      "product_memberships" : [
        "donut",
        "DonutKit"
      ],
      "sources" : [
        "DonutErrors.swift",
        "Git.swift",
        "SemanticVersion.swift",
        "Template.swift",
        "TemplateDirectory.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Donut",
      "module_type" : "SwiftTarget",
      "name" : "Donut",
      "path" : "Sources/Donut",
      "product_dependencies" : [
        "ReactiveTask",
        "Commandant",
        "Curry"
      ],
      "product_memberships" : [
        "donut"
      ],
      "sources" : [
        "Commands/InstallCommand.swift",
        "Commands/ListCommand.swift",
        "Commands/RemoveCommand.swift",
        "Commands/VersionCommand.swift",
        "main.swift"
      ],
      "target_dependencies" : [
        "DonutKit"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "4.0"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
Updating https://github.com/thoughtbot/Curry.git
Updating https://github.com/yutailang0119/ProgressSpinnerKit
Updating https://github.com/Carthage/Commandant.git
Updating https://github.com/Carthage/ReactiveTask.git
Updated https://github.com/thoughtbot/Curry.git (0.44s)
Updated https://github.com/Carthage/ReactiveTask.git (0.45s)
Updated https://github.com/Carthage/Commandant.git (0.45s)
Updated https://github.com/yutailang0119/ProgressSpinnerKit (0.45s)
Computing version for https://github.com/thoughtbot/Curry.git
Computed https://github.com/thoughtbot/Curry.git at 4.0.2 (3.23s)
Computing version for https://github.com/Carthage/ReactiveTask.git
Computed https://github.com/Carthage/ReactiveTask.git at 0.16.0 (0.54s)
Updating https://github.com/Quick/Nimble.git
Updating https://github.com/ReactiveCocoa/ReactiveSwift.git
Updating https://github.com/antitypical/Result.git
Updating https://github.com/Quick/Quick.git
Updated https://github.com/Quick/Quick.git (0.58s)
Updated https://github.com/antitypical/Result.git (0.58s)
Updated https://github.com/ReactiveCocoa/ReactiveSwift.git (0.59s)
Updated https://github.com/Quick/Nimble.git (0.59s)
Computing version for https://github.com/antitypical/Result.git
Computed https://github.com/antitypical/Result.git at 4.1.0 (1.25s)
Computing version for https://github.com/ReactiveCocoa/ReactiveSwift.git
Computed https://github.com/ReactiveCocoa/ReactiveSwift.git at 5.0.1 (0.55s)
Computing version for https://github.com/Quick/Quick.git
Computed https://github.com/Quick/Quick.git at 2.2.1 (0.56s)
Computing version for https://github.com/yutailang0119/ProgressSpinnerKit
Computed https://github.com/yutailang0119/ProgressSpinnerKit at 0.5.0 (0.53s)
Fetching https://github.com/apple/swift-tools-support-core from cache
Fetched https://github.com/apple/swift-tools-support-core from cache (0.86s)
Computing version for https://github.com/apple/swift-tools-support-core
Computed https://github.com/apple/swift-tools-support-core at 0.7.2 (1.49s)
Computing version for https://github.com/Carthage/Commandant.git
Computed https://github.com/Carthage/Commandant.git at 0.18.0 (0.53s)
Computing version for https://github.com/Quick/Nimble.git
Computed https://github.com/Quick/Nimble.git at 8.1.2 (0.55s)
Creating working copy for https://github.com/ReactiveCocoa/ReactiveSwift.git
Working copy of https://github.com/ReactiveCocoa/ReactiveSwift.git resolved at 5.0.1
Creating working copy for https://github.com/Carthage/ReactiveTask.git
Working copy of https://github.com/Carthage/ReactiveTask.git resolved at 0.16.0
Creating working copy for https://github.com/Quick/Nimble.git
Working copy of https://github.com/Quick/Nimble.git resolved at 8.1.2
Creating working copy for https://github.com/antitypical/Result.git
Working copy of https://github.com/antitypical/Result.git resolved at 4.1.0
Creating working copy for https://github.com/Quick/Quick.git
Working copy of https://github.com/Quick/Quick.git resolved at 2.2.1
Creating working copy for https://github.com/apple/swift-tools-support-core
Working copy of https://github.com/apple/swift-tools-support-core resolved at 0.7.2
Creating working copy for https://github.com/yutailang0119/ProgressSpinnerKit
Working copy of https://github.com/yutailang0119/ProgressSpinnerKit resolved at 0.5.0
Creating working copy for https://github.com/thoughtbot/Curry.git
Working copy of https://github.com/thoughtbot/Curry.git resolved at 4.0.2
Creating working copy for https://github.com/Carthage/Commandant.git
Working copy of https://github.com/Carthage/Commandant.git resolved at 0.18.0
error: the library 'DonutKit' requires macos 10.13, but depends on the product 'ProgressSpinnerKit' which requires macos 10.15; consider changing the library 'DonutKit' to require macos 10.15 or later, or the product 'ProgressSpinnerKit' to require macos 10.13 or earlier.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
error: the library 'DonutKit' requires macos 10.13, but depends on the product 'ProgressSpinnerKit' which requires macos 10.15; consider changing the library 'DonutKit' to require macos 10.15 or later, or the product 'ProgressSpinnerKit' to require macos 10.13 or earlier.
BUILD FAILURE 6.1 macosSpm