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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 WindowKit, reference 2.6.1 (2e689d), with Swift 6.0 for macOS (SPM) on 22 Feb 2025 12:53:50 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.60.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/divadretlaw/WindowKit.git
Reference: 2.6.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/divadretlaw/WindowKit
 * tag               2.6.1      -> FETCH_HEAD
HEAD is now at 2e689d5 Add PassthroughWindow workaround
Cloned https://github.com/divadretlaw/WindowKit.git
Revision (git rev-parse @):
2e689d5ebf019ed3e7abffa4e6ddb06287f231e9
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/divadretlaw/WindowKit.git at 2.6.1
Fetching https://github.com/divadretlaw/WindowReader
Fetching https://github.com/divadretlaw/WindowSceneReader
[1/131] Fetching windowreader
[132/262] Fetching windowreader, windowscenereader
Fetched https://github.com/divadretlaw/WindowSceneReader from cache (0.68s)
Fetched https://github.com/divadretlaw/WindowReader from cache (0.68s)
Computing version for https://github.com/divadretlaw/WindowSceneReader
Computed https://github.com/divadretlaw/WindowSceneReader at 3.2.0 (0.48s)
Computing version for https://github.com/divadretlaw/WindowReader
Computed https://github.com/divadretlaw/WindowReader at 3.0.0 (0.42s)
Creating working copy for https://github.com/divadretlaw/WindowReader
Working copy of https://github.com/divadretlaw/WindowReader resolved at 3.0.0
Creating working copy for https://github.com/divadretlaw/WindowSceneReader
Working copy of https://github.com/divadretlaw/WindowSceneReader resolved at 3.2.0
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "windowkit",
      "name": "WindowKit",
      "url": "https://github.com/divadretlaw/WindowKit.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/WindowKit",
      "dependencies": [
        {
          "identity": "windowreader",
          "name": "WindowReader",
          "url": "https://github.com/divadretlaw/WindowReader",
          "version": "3.0.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/WindowReader",
          "dependencies": [
          ]
        },
        {
          "identity": "windowscenereader",
          "name": "WindowSceneReader",
          "url": "https://github.com/divadretlaw/WindowSceneReader",
          "version": "3.2.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/WindowSceneReader",
          "dependencies": [
            {
              "identity": "windowreader",
              "name": "WindowReader",
              "url": "https://github.com/divadretlaw/WindowReader",
              "version": "3.0.0",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/WindowReader",
              "dependencies": [
              ]
            }
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/divadretlaw/WindowKit.git
[1/483] Fetching windowkit
Fetched https://github.com/divadretlaw/WindowKit.git from cache (0.74s)
Fetching https://github.com/divadretlaw/WindowSceneReader from cache
Fetching https://github.com/divadretlaw/WindowReader from cache
Fetched https://github.com/divadretlaw/WindowSceneReader from cache (0.53s)
Fetched https://github.com/divadretlaw/WindowReader from cache (0.53s)
Computing version for https://github.com/divadretlaw/WindowSceneReader
Computed https://github.com/divadretlaw/WindowSceneReader at 3.2.0 (0.02s)
Computing version for https://github.com/divadretlaw/WindowReader
Computed https://github.com/divadretlaw/WindowReader at 3.0.0 (0.02s)
Creating working copy for https://github.com/divadretlaw/WindowSceneReader
Working copy of https://github.com/divadretlaw/WindowSceneReader resolved at 3.2.0
Creating working copy for https://github.com/divadretlaw/WindowKit.git
Working copy of https://github.com/divadretlaw/WindowKit.git resolved at 2.6.1 (2e689d5)
Creating working copy for https://github.com/divadretlaw/WindowReader
Working copy of https://github.com/divadretlaw/WindowReader resolved at 3.0.0
warning: '.resolve-product-dependencies': dependency 'windowkit' is not used by any target
Found 2 product dependencies
  - WindowReader
  - WindowSceneReader
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/divadretlaw/WindowKit.git
https://github.com/divadretlaw/WindowKit.git
{
  "dependencies" : [
    {
      "identity" : "windowreader",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "3.0.0",
            "upper_bound" : "4.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/divadretlaw/WindowReader"
    },
    {
      "identity" : "windowscenereader",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "3.2.0",
            "upper_bound" : "4.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/divadretlaw/WindowSceneReader"
    }
  ],
  "manifest_display_name" : "WindowKit",
  "name" : "WindowKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "14.0"
    },
    {
      "name" : "tvos",
      "version" : "14.0"
    },
    {
      "name" : "visionos",
      "version" : "1.0"
    }
  ],
  "products" : [
    {
      "name" : "WindowKit",
      "targets" : [
        "WindowKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "WindowKit",
      "module_type" : "SwiftTarget",
      "name" : "WindowKit",
      "path" : "Sources/WindowKit",
      "product_dependencies" : [
        "WindowReader",
        "WindowSceneReader"
      ],
      "product_memberships" : [
        "WindowKit"
      ],
      "sources" : [
        "API.swift",
        "DynamicWindowKey.swift",
        "Environment/EnvironmentValuesHolder.swift",
        "Environment/WindowCoverDismissAction.swift",
        "Extensions/MainActor+Extensions.swift",
        "Extensions/UIViewController+Extensions.swift",
        "Logger.swift",
        "ViewModifier/TintApplier.swift",
        "WindowCover/WindowCover.swift",
        "WindowCover/WindowCoverConfiguration.swift",
        "WindowCover/WindowCoverHelper.swift",
        "WindowCover/WindowCoverHostingController.swift",
        "WindowCover/WindowItemCover.swift",
        "WindowCover/WindowItemCoverHelper.swift",
        "WindowKey.swift",
        "WindowManager.swift",
        "WindowOverlay/PassthroughWindow.swift",
        "WindowOverlay/WindowOverlay.swift",
        "WindowOverlay/WindowOverlayConfiguration.swift",
        "WindowOverlay/WindowOverlayHelper.swift",
        "WindowOverlay/WindowOverlayHostingController.swift",
        "WindowView.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.2.0.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
error: the library 'WindowKit' requires macos 10.13, but depends on the product 'WindowReader' which requires macos 10.15; consider changing the library 'WindowKit' to require macos 10.15 or later, or the product 'WindowReader' to require macos 10.13 or earlier.
error: the library 'WindowKit' requires macos 10.13, but depends on the product 'WindowSceneReader' which requires macos 10.15; consider changing the library 'WindowKit' to require macos 10.15 or later, or the product 'WindowSceneReader' to require macos 10.13 or earlier.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun swift build --arch arm64
error: the library 'WindowKit' requires macos 10.13, but depends on the product 'WindowReader' which requires macos 10.15; consider changing the library 'WindowKit' to require macos 10.15 or later, or the product 'WindowReader' to require macos 10.13 or earlier.
error: the library 'WindowKit' requires macos 10.13, but depends on the product 'WindowSceneReader' which requires macos 10.15; consider changing the library 'WindowKit' to require macos 10.15 or later, or the product 'WindowSceneReader' to require macos 10.13 or earlier.
BUILD FAILURE 6.0 macosSpm