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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

Successful build of Compatibility, reference v1.10.7 (81dab6), with Swift 6.0 for Linux on 5 May 2025 06:47:45 UTC.

Swift 6 data race errors: 0

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.3
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/kudit/Compatibility.git
Reference: v1.10.7
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/kudit/Compatibility
 * tag               v1.10.7    -> FETCH_HEAD
HEAD is now at 81dab6a v1.10.7
Cloned https://github.com/kudit/Compatibility.git
Revision (git rev-parse @):
81dab6a8972241bcf432e93c2ad20217d72d6a28
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/kudit/Compatibility.git at v1.10.7
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/kudit/Compatibility.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:9029076bb687edc160a3d5201c89e92dd9fa7309f33f090c4234365c83366c31
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/43] Emitting module Compatibility
[4/48] Compiling Compatibility ClearableTextField.swift
[5/48] Compiling Compatibility Embossed.swift
[6/48] Compiling Compatibility Menu.swift
[7/48] Compiling Compatibility OverlappingStack.swift
[8/48] Compiling Compatibility Pasteboard.swift
[9/48] Compiling Compatibility Shell.swift
[10/48] Compiling Compatibility Test.swift
[11/48] Compiling Compatibility UserDefaultsBacked.swift
[12/48] Compiling Compatibility Array.swift
[13/48] Compiling Compatibility Codable.swift
[14/48] Compiling Compatibility CodingFoundation.swift
[15/48] Compiling Compatibility RadialLayout.swift
[16/48] Compiling Compatibility Placard.swift
[17/48] Compiling Compatibility Triangle.swift
[18/48] Compiling Compatibility SwiftUI.swift
[19/48] Compiling Compatibility TestUI.swift
[20/48] Compiling Compatibility DataStore.swift
[21/48] Compiling Compatibility Debug.swift
[22/48] Compiling Compatibility FileManager.swift
[23/48] Compiling Compatibility Graphics.swift
[24/48] Compiling Compatibility Network.swift
[25/48] Compiling Compatibility ObservableObject.swift
[26/48] Compiling Compatibility Threading.swift
[27/48] Compiling Compatibility URL.swift
[28/48] Compiling Compatibility Version.swift
[29/48] Compiling Compatibility Backport.swift
[30/48] Compiling Compatibility BytesView.swift
[31/48] Compiling Compatibility Enum.swift
[32/48] Compiling Compatibility Int.swift
[33/48] Compiling Compatibility Introspection.swift
[34/48] Compiling Compatibility OrderedDictionary.swift
[35/48] Compiling Compatibility OrderedSet.swift
[36/48] Compiling Compatibility String.swift
[37/48] Compiling Compatibility CodingJSON.swift
[38/48] Compiling Compatibility CodingParameters.swift
[39/48] Compiling Compatibility Date.swift
[40/48] Compiling Compatibility DateString.swift
[41/48] Compiling Compatibility Dictionary.swift
[42/48] Compiling Compatibility Double.swift
[43/48] Compiling Compatibility Compatibility.swift
/host/spi-builder-workspace/Sources/Core/Application.swift:224:13: warning: variable 'allVersionsString' was never mutated; consider changing to 'let' constant
222 |
223 |         // join all versions run (the beauty of this is it doesn't matter if legacyLastRunVersion is a comma-separated list or a single value - both will work)
224 |         var allVersionsString = "\(legacyLastRunVersion ?? ""),\(kuditPreviouslyRunVersions?.joined(separator: ",") ?? ""),\(version)"
    |             `- warning: variable 'allVersionsString' was never mutated; consider changing to 'let' constant
225 | #if compiler(>=5.9) && canImport(Combine)
226 |         if #available(watchOS 9, *) {
[44/48] Compiling Compatibility Application.swift
/host/spi-builder-workspace/Sources/Core/Application.swift:224:13: warning: variable 'allVersionsString' was never mutated; consider changing to 'let' constant
222 |
223 |         // join all versions run (the beauty of this is it doesn't matter if legacyLastRunVersion is a comma-separated list or a single value - both will work)
224 |         var allVersionsString = "\(legacyLastRunVersion ?? ""),\(kuditPreviouslyRunVersions?.joined(separator: ",") ?? ""),\(version)"
    |             `- warning: variable 'allVersionsString' was never mutated; consider changing to 'let' constant
225 | #if compiler(>=5.9) && canImport(Combine)
226 |         if #available(watchOS 9, *) {
[45/48] Compiling Compatibility Bundle.swift
/host/spi-builder-workspace/Sources/Core/Application.swift:224:13: warning: variable 'allVersionsString' was never mutated; consider changing to 'let' constant
222 |
223 |         // join all versions run (the beauty of this is it doesn't matter if legacyLastRunVersion is a comma-separated list or a single value - both will work)
224 |         var allVersionsString = "\(legacyLastRunVersion ?? ""),\(kuditPreviouslyRunVersions?.joined(separator: ",") ?? ""),\(version)"
    |             `- warning: variable 'allVersionsString' was never mutated; consider changing to 'let' constant
225 | #if compiler(>=5.9) && canImport(Combine)
226 |         if #available(watchOS 9, *) {
[46/48] Compiling Compatibility CloudStatus.swift
/host/spi-builder-workspace/Sources/Core/Application.swift:224:13: warning: variable 'allVersionsString' was never mutated; consider changing to 'let' constant
222 |
223 |         // join all versions run (the beauty of this is it doesn't matter if legacyLastRunVersion is a comma-separated list or a single value - both will work)
224 |         var allVersionsString = "\(legacyLastRunVersion ?? ""),\(kuditPreviouslyRunVersions?.joined(separator: ",") ?? ""),\(version)"
    |             `- warning: variable 'allVersionsString' was never mutated; consider changing to 'let' constant
225 | #if compiler(>=5.9) && canImport(Combine)
226 |         if #available(watchOS 9, *) {
[47/48] Compiling Compatibility CloudStorage.swift
/host/spi-builder-workspace/Sources/Core/Application.swift:224:13: warning: variable 'allVersionsString' was never mutated; consider changing to 'let' constant
222 |
223 |         // join all versions run (the beauty of this is it doesn't matter if legacyLastRunVersion is a comma-separated list or a single value - both will work)
224 |         var allVersionsString = "\(legacyLastRunVersion ?? ""),\(kuditPreviouslyRunVersions?.joined(separator: ",") ?? ""),\(version)"
    |             `- warning: variable 'allVersionsString' was never mutated; consider changing to 'let' constant
225 | #if compiler(>=5.9) && canImport(Combine)
226 |         if #available(watchOS 9, *) {
[48/48] Compiling Compatibility CloudStorageSync.swift
/host/spi-builder-workspace/Sources/Core/Application.swift:224:13: warning: variable 'allVersionsString' was never mutated; consider changing to 'let' constant
222 |
223 |         // join all versions run (the beauty of this is it doesn't matter if legacyLastRunVersion is a comma-separated list or a single value - both will work)
224 |         var allVersionsString = "\(legacyLastRunVersion ?? ""),\(kuditPreviouslyRunVersions?.joined(separator: ",") ?? ""),\(version)"
    |             `- warning: variable 'allVersionsString' was never mutated; consider changing to 'let' constant
225 | #if compiler(>=5.9) && canImport(Combine)
226 |         if #available(watchOS 9, *) {
Build complete! (5.94s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Compatibility",
  "name" : "Compatibility",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "tvos",
      "version" : "11"
    },
    {
      "name" : "watchos",
      "version" : "4"
    },
    {
      "name" : "ios",
      "version" : "11"
    }
  ],
  "products" : [
    {
      "name" : "Compatibility Library",
      "targets" : [
        "Compatibility"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "Compatibility",
      "module_type" : "SwiftTarget",
      "name" : "Compatibility",
      "path" : "Sources",
      "product_memberships" : [
        "Compatibility Library"
      ],
      "sources" : [
        "Compatibility.swift",
        "Core/Application.swift",
        "Core/Bundle.swift",
        "Core/CloudStatus.swift",
        "Core/CloudStorage.swift",
        "Core/CloudStorageSync.swift",
        "Core/DataStore.swift",
        "Core/Debug.swift",
        "Core/FileManager.swift",
        "Core/Graphics.swift",
        "Core/Network.swift",
        "Core/ObservableObject.swift",
        "Core/Shell.swift",
        "Core/Test.swift",
        "Core/UserDefaultsBacked.swift",
        "Foundation/Array.swift",
        "Foundation/Codable.swift",
        "Foundation/CodingFoundation.swift",
        "Foundation/CodingJSON.swift",
        "Foundation/CodingParameters.swift",
        "Foundation/Date.swift",
        "Foundation/DateString.swift",
        "Foundation/Dictionary.swift",
        "Foundation/Double.swift",
        "Foundation/Enum.swift",
        "Foundation/Int.swift",
        "Foundation/Introspection.swift",
        "Foundation/OrderedDictionary.swift",
        "Foundation/OrderedSet.swift",
        "Foundation/String.swift",
        "Foundation/Threading.swift",
        "Foundation/URL.swift",
        "Foundation/Version.swift",
        "UI/Backport.swift",
        "UI/BytesView.swift",
        "UI/ClearableTextField.swift",
        "UI/Embossed.swift",
        "UI/Menu.swift",
        "UI/OverlappingStack.swift",
        "UI/Pasteboard.swift",
        "UI/RadialLayout.swift",
        "UI/Shapes/Placard.swift",
        "UI/Shapes/Triangle.swift",
        "UI/SwiftUI.swift",
        "UI/TestUI.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.8"
}
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:9029076bb687edc160a3d5201c89e92dd9fa7309f33f090c4234365c83366c31
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Done.