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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 ReleaseRadar, reference v0.2.2 (657783), with Swift 6.1 for Linux on 25 Apr 2025 09:31:02 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/halcyonmobile/ReleaseRadar.git
Reference: v0.2.2
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/halcyonmobile/ReleaseRadar
 * tag               v0.2.2     -> FETCH_HEAD
HEAD is now at 6577833 Move mark read to different method
Cloned https://github.com/halcyonmobile/ReleaseRadar.git
Revision (git rev-parse @):
6577833441a0af50bfc98e6b8d52a35c464dae07
SUCCESS checkout https://github.com/halcyonmobile/ReleaseRadar.git at v0.2.2
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/halcyonmobile/ReleaseRadar.git
https://github.com/halcyonmobile/ReleaseRadar.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "ReleaseRadar",
  "name" : "ReleaseRadar",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "ReleaseRadar",
      "targets" : [
        "ReleaseRadar"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "Example",
      "targets" : [
        "Example"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ReleaseRadarTests",
      "module_type" : "SwiftTarget",
      "name" : "ReleaseRadarTests",
      "path" : "Tests/ReleaseRadarTests",
      "sources" : [
        "CheckPolicyTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "ReleaseRadar"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ReleaseRadar",
      "module_type" : "SwiftTarget",
      "name" : "ReleaseRadar",
      "path" : "Sources/ReleaseRadar",
      "product_memberships" : [
        "ReleaseRadar",
        "Example"
      ],
      "sources" : [
        "Config.swift",
        "Models/CheckingResult.swift",
        "Models/Result.swift",
        "ReleaseRadar.swift",
        "Utilities/Bundle+Version.swift",
        "Utilities/CheckPolicy.swift",
        "Utilities/Collection+Padded.swift",
        "iTunes Search/AppInfo.swift",
        "iTunes Search/ITunesChecker.swift",
        "iTunes Search/SearchResult.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Example",
      "module_type" : "SwiftTarget",
      "name" : "Example",
      "path" : "Sources/Example",
      "product_memberships" : [
        "Example"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "ReleaseRadar"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "4.2"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -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 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Building for debugging...
[0/7] Write sources
[2/7] Write swift-version-24593BA9C3E375BF.txt
[4/17] Compiling ReleaseRadar CheckPolicy.swift
[5/18] Compiling ReleaseRadar ITunesChecker.swift
/host/spi-builder-workspace/Sources/ReleaseRadar/iTunes Search/ITunesChecker.swift:29:20: error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
27 |         }
28 |
29 |         URLSession.shared.dataTask(with: lookUpURL) { (data, response, error) in
   |                    `- error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
30 |             if let data = data {
31 |                 do {
[6/18] Compiling ReleaseRadar AppInfo.swift
[7/18] Compiling ReleaseRadar SearchResult.swift
[8/18] Compiling ReleaseRadar Result.swift
[9/18] Compiling ReleaseRadar ReleaseRadar.swift
[10/18] Compiling ReleaseRadar Config.swift
[11/18] Compiling ReleaseRadar CheckingResult.swift
[12/18] Emitting module ReleaseRadar
[13/18] Compiling ReleaseRadar Bundle+Version.swift
[14/18] Compiling ReleaseRadar Collection+Padded.swift
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
[0/1] Planning build
Building for debugging...
[0/5] Write swift-version-24593BA9C3E375BF.txt
[2/15] Compiling ReleaseRadar Collection+Padded.swift
[3/16] Compiling ReleaseRadar AppInfo.swift
[4/16] Compiling ReleaseRadar ITunesChecker.swift
/host/spi-builder-workspace/Sources/ReleaseRadar/iTunes Search/ITunesChecker.swift:29:20: error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
27 |         }
28 |
29 |         URLSession.shared.dataTask(with: lookUpURL) { (data, response, error) in
   |                    `- error: type 'URLSession' (aka 'AnyObject') has no member 'shared'
30 |             if let data = data {
31 |                 do {
[5/16] Compiling ReleaseRadar CheckPolicy.swift
[6/16] Compiling ReleaseRadar Bundle+Version.swift
[7/16] Compiling ReleaseRadar Result.swift
[8/16] Compiling ReleaseRadar ReleaseRadar.swift
[9/16] Emitting module ReleaseRadar
[10/16] Compiling ReleaseRadar Config.swift
[11/16] Compiling ReleaseRadar CheckingResult.swift
[12/16] Compiling ReleaseRadar SearchResult.swift
BUILD FAILURE 6.1 linux