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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 LaunchDarkly, reference v9 (082430), with Swift 5.10 for Linux on 21 Apr 2025 19:16:36 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-5.10-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.60.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/launchdarkly/ios-client-sdk.git
Reference: v9
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/launchdarkly/ios-client-sdk
 * branch            v9         -> FETCH_HEAD
 * [new branch]      v9         -> origin/v9
HEAD is now at 082430f chore(v9): release 9.13.0 (#436)
Cloned https://github.com/launchdarkly/ios-client-sdk.git
Revision (git rev-parse @):
082430ff008d76d503327c52b27e3b2af99c3ef2
SUCCESS checkout https://github.com/launchdarkly/ios-client-sdk.git at v9
========================================
Build
========================================
Selected platform:         linux
Swift version:             5.10
Building package at path:  $PWD
https://github.com/launchdarkly/ios-client-sdk.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-5.10-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-5.10-latest: Pulling from finestructure/spi-images
Digest: sha256:616ef225d0085997f26355ad9695b1159b91f6187a43f9ff135cb59d096bc97d
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-5.10-latest
Fetching https://github.com/LaunchDarkly/swift-eventsource.git
Fetching https://github.com/mw99/DataCompression
Fetching https://github.com/mattgallagher/CwlPreconditionTesting
Fetching https://github.com/Quick/Nimble.git
Fetching https://github.com/Quick/Quick.git
Fetching https://github.com/AliSoftware/OHHTTPStubs.git
[1/1257] Fetching cwlpreconditiontesting
[190/2830] Fetching cwlpreconditiontesting, swift-eventsource
[1203/3024] Fetching cwlpreconditiontesting, swift-eventsource, datacompression
[2837/17779] Fetching cwlpreconditiontesting, swift-eventsource, datacompression, quick
[4944/25679] Fetching cwlpreconditiontesting, swift-eventsource, datacompression, quick, ohhttpstubs
[10518/45246] Fetching cwlpreconditiontesting, swift-eventsource, datacompression, quick, ohhttpstubs, nimble
Fetched https://github.com/AliSoftware/OHHTTPStubs.git from cache (0.60s)
[29520/37346] Fetching cwlpreconditiontesting, swift-eventsource, datacompression, quick, nimble
Fetched https://github.com/mw99/DataCompression from cache (1.45s)
Fetched https://github.com/mattgallagher/CwlPreconditionTesting from cache (1.45s)
Fetched https://github.com/LaunchDarkly/swift-eventsource.git from cache (1.46s)
Fetched https://github.com/Quick/Quick.git from cache (1.46s)
Fetched https://github.com/Quick/Nimble.git from cache (1.48s)
Computing version for https://github.com/mw99/DataCompression
Computed https://github.com/mw99/DataCompression at 3.8.0 (0.40s)
Computing version for https://github.com/LaunchDarkly/swift-eventsource.git
Computed https://github.com/LaunchDarkly/swift-eventsource.git at 3.3.0 (0.40s)
Computing version for https://github.com/mattgallagher/CwlPreconditionTesting
Computed https://github.com/mattgallagher/CwlPreconditionTesting at 2.1.2 (0.40s)
Fetching https://github.com/mattgallagher/CwlCatchException.git
[1/455] Fetching cwlcatchexception
Fetched https://github.com/mattgallagher/CwlCatchException.git from cache (0.19s)
Computing version for https://github.com/Quick/Nimble.git
Computed https://github.com/Quick/Nimble.git at 9.2.1 (0.44s)
Computing version for https://github.com/Quick/Quick.git
Computed https://github.com/Quick/Quick.git at 4.0.0 (0.44s)
Computing version for https://github.com/AliSoftware/OHHTTPStubs.git
Computed https://github.com/AliSoftware/OHHTTPStubs.git at 9.1.0 (1.19s)
Computing version for https://github.com/mattgallagher/CwlCatchException.git
Computed https://github.com/mattgallagher/CwlCatchException.git at 2.2.1 (0.45s)
Creating working copy for https://github.com/Quick/Nimble.git
Working copy of https://github.com/Quick/Nimble.git resolved at 9.2.1
Creating working copy for https://github.com/mattgallagher/CwlCatchException.git
Working copy of https://github.com/mattgallagher/CwlCatchException.git resolved at 2.2.1
Creating working copy for https://github.com/AliSoftware/OHHTTPStubs.git
Working copy of https://github.com/AliSoftware/OHHTTPStubs.git resolved at 9.1.0
Creating working copy for https://github.com/Quick/Quick.git
Working copy of https://github.com/Quick/Quick.git resolved at 4.0.0
Creating working copy for https://github.com/LaunchDarkly/swift-eventsource.git
Working copy of https://github.com/LaunchDarkly/swift-eventsource.git resolved at 3.3.0
Creating working copy for https://github.com/mw99/DataCompression
Working copy of https://github.com/mw99/DataCompression resolved at 3.8.0
Creating working copy for https://github.com/mattgallagher/CwlPreconditionTesting
Working copy of https://github.com/mattgallagher/CwlPreconditionTesting resolved at 2.1.2
warning: 'spi-builder-workspace': found 71 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ServiceObjects/FlagStore.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/Extensions/Thread.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/Models/FeatureFlag/LDEvaluationDetail.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/Models/FeatureFlag/FlagRequestTracker.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/Models/Context/LDContext.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ServiceObjects/FlagSynchronizer.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ServiceObjects/FlagChangeNotifier.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ServiceObjects/EnvironmentReporting/EnvironmentReporterChainBase.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ObjectiveC/ObjcLDConfig.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ServiceObjects/EnvironmentReporting/TVOSEnvironmentReporter.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ServiceObjects/EnvironmentReporting/WatchOSEnvironmentReporter.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/Extensions/Data.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/Models/IdentifyTypes.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ObjectiveC/ObjcLDValue.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ServiceObjects/ClientServiceFactory.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/Models/LDConfig.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ObjectiveC/ObjcLDApplicationInfo.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/Networking/HTTPHeaders.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/Models/Context/Kind.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/Models/FeatureFlag/FlagChange/ConnectionModeChangeObserver.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/Models/FeatureFlag/FeatureFlag.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ServiceObjects/Cache/ConnectionInformationStore.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/Models/Event.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/LDClientVariation.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ServiceObjects/EventReporter.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/Models/FeatureFlag/FlagChange/FlagsUnchangedObserver.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/Models/Hooks/Metadata.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/LDClient.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ServiceObjects/CwlSysctl.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ServiceObjects/EnvironmentReporting/MacOSEnvironmentReporter.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ServiceObjects/EnvironmentReporting/SDKEnvironmentReporter.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ServiceObjects/Cache/KeyedValueCache.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/Networking/HTTPURLRequest.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/Networking/URLResponse.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ObjectiveC/ObjcLDReference.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ServiceObjects/DiagnosticReporter.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ServiceObjects/EnvironmentReporting/IOSEnvironmentReporter.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ServiceObjects/Throttler.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ServiceObjects/Cache/CacheConverter.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/Models/Hooks/Hook.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/LDValueDecoder.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ObjectiveC/ObjcLDClient.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ServiceObjects/SheddingQueue.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/Extensions/DateFormatter.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/Util.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ServiceObjects/NetworkReporter.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/LDCommon.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/Models/FeatureFlag/FlagChange/LDChangedFlag.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ServiceObjects/EnvironmentReporting/ApplicationInfoEnvironmentReporter.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ServiceObjects/EnvironmentReporting/SystemCapabilities.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/Models/DiagnosticEvent.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ServiceObjects/EnvironmentReporting/EnvironmentReporterBuilder.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/Models/Hooks/EvaluationSeriesContext.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/Models/FeatureFlag/FlagChange/FlagChangeObserver.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ObjectiveC/ObjcLDChangedFlag.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/Networking/HTTPURLResponse.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/PrivacyInfo.xcprivacy
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/Extensions/Date.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ServiceObjects/EnvironmentReporter.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ServiceObjects/Cache/FeatureFlagCache.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/Models/ConnectionInformation.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/Networking/DarklyService.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ObjectiveC/ObjcLDEvaluationDetail.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/Support/Info.plist
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ServiceObjects/Cache/DiagnosticCache.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ServiceObjects/Log.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/Models/Context/Modifier.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ServiceObjects/EnvironmentReporting/ReportingConsts.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ServiceObjects/LDTimer.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/Models/Context/Reference.swift
    /host/spi-builder-workspace/LaunchDarkly/LaunchDarkly/ObjectiveC/ObjcLDContext.swift
Building for debugging...
[0/5] Write sources
[2/5] Copying PrivacyInfo.xcprivacy
[3/5] Write sources
[4/5] Write swift-version-24593BA9C3E375BF.txt
[6/13] Compiling DataCompression DataCompression.swift
/host/spi-builder-workspace/.build/checkouts/DataCompression/Sources/DataCompression/DataCompression.swift:31:8: error: no such module 'Compression'
import Compression
       ^
error: emit-module command failed with exit code 1 (use -v to see invocation)
[7/13] Emitting module DataCompression
/host/spi-builder-workspace/.build/checkouts/DataCompression/Sources/DataCompression/DataCompression.swift:31:8: error: no such module 'Compression'
import Compression
       ^
[8/13] Compiling LDSwiftEventSource Logs.swift
error: fatalError
BUILD FAILURE 5.10 linux