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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 ConfigCat, reference master (757182), with Swift 5.10 for Linux on 22 Apr 2025 09:44:37 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/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: 4.60.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/configcat/swift-sdk.git
Reference: master
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/configcat/swift-sdk
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 757182b Remove keepalive workflow (#48)
Cloned https://github.com/configcat/swift-sdk.git
Revision (git rev-parse @):
757182b68514389c95a2c6706a264e4728c5da8d
SUCCESS checkout https://github.com/configcat/swift-sdk.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             5.10
Building package at path:  $PWD
https://github.com/configcat/swift-sdk.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$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
Building for debugging...
[0/4] Write sources
[1/4] Copying PrivacyInfo.xcprivacy
[3/4] Write swift-version-24593BA9C3E375BF.txt
[5/6] Emitting module Version
[6/6] Compiling Version Version.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[8/31] Emitting module ConfigCat
/host/spi-builder-workspace/Sources/ConfigCat/ConfigCatClient.swift:2:8: error: no such module 'os.log'
import os.log
       ^
[9/34] Compiling ConfigCat ConfigService.swift
/host/spi-builder-workspace/Sources/ConfigCat/ConfigCatClient.swift:2:8: error: no such module 'os.log'
import os.log
       ^
[10/34] Compiling ConfigCat EvaluationDetails.swift
/host/spi-builder-workspace/Sources/ConfigCat/ConfigCatClient.swift:2:8: error: no such module 'os.log'
import os.log
       ^
[11/34] Compiling ConfigCat EvaluationLogger.swift
/host/spi-builder-workspace/Sources/ConfigCat/ConfigCatClient.swift:2:8: error: no such module 'os.log'
import os.log
       ^
[12/34] Compiling ConfigCat LocalDictionaryDataSource.swift
/host/spi-builder-workspace/Sources/ConfigCat/ConfigCatClient.swift:2:8: error: no such module 'os.log'
import os.log
       ^
[13/34] Compiling ConfigCat Log.swift
/host/spi-builder-workspace/Sources/ConfigCat/ConfigCatClient.swift:2:8: error: no such module 'os.log'
import os.log
       ^
[14/34] Compiling ConfigCat MutableQueue.swift
/host/spi-builder-workspace/Sources/ConfigCat/ConfigCatClient.swift:2:8: error: no such module 'os.log'
import os.log
       ^
[15/34] Compiling ConfigCat Extensions.swift
/host/spi-builder-workspace/Sources/ConfigCat/ConfigCatClient.swift:2:8: error: no such module 'os.log'
import os.log
       ^
[16/34] Compiling ConfigCat FlagEvaluator.swift
/host/spi-builder-workspace/Sources/ConfigCat/ConfigCatClient.swift:2:8: error: no such module 'os.log'
import os.log
       ^
[17/34] Compiling ConfigCat KeyValue.swift
/host/spi-builder-workspace/Sources/ConfigCat/ConfigCatClient.swift:2:8: error: no such module 'os.log'
import os.log
       ^
[18/34] Compiling ConfigCat PollingMode.swift
/host/spi-builder-workspace/Sources/ConfigCat/ConfigCatClient.swift:2:8: error: no such module 'os.log'
import os.log
       ^
[19/34] Compiling ConfigCat PollingModes.swift
/host/spi-builder-workspace/Sources/ConfigCat/ConfigCatClient.swift:2:8: error: no such module 'os.log'
import os.log
       ^
[20/34] Compiling ConfigCat RolloutEvaluator.swift
/host/spi-builder-workspace/Sources/ConfigCat/ConfigCatClient.swift:2:8: error: no such module 'os.log'
import os.log
       ^
[21/34] Compiling ConfigCat Synced.swift
/host/spi-builder-workspace/Sources/ConfigCat/ConfigCatClient.swift:2:8: error: no such module 'os.log'
import os.log
       ^
[22/34] Compiling ConfigCat Utils.swift
/host/spi-builder-workspace/Sources/ConfigCat/ConfigCatClient.swift:2:8: error: no such module 'os.log'
import os.log
       ^
[23/34] Compiling ConfigCat resource_bundle_accessor.swift
/host/spi-builder-workspace/Sources/ConfigCat/ConfigCatClient.swift:2:8: error: no such module 'os.log'
import os.log
       ^
[24/34] Compiling ConfigCat Config.swift
/host/spi-builder-workspace/Sources/ConfigCat/ConfigCatClient.swift:2:8: error: no such module 'os.log'
import os.log
       ^
[25/34] Compiling ConfigCat ConfigCache.swift
/host/spi-builder-workspace/Sources/ConfigCat/ConfigCatClient.swift:2:8: error: no such module 'os.log'
import os.log
       ^
[26/34] Compiling ConfigCat ConfigCatClient.swift
/host/spi-builder-workspace/Sources/ConfigCat/ConfigCatClient.swift:2:8: error: no such module 'os.log'
import os.log
       ^
[27/34] Compiling ConfigCat ConfigCatClientProtocol.swift
/host/spi-builder-workspace/Sources/ConfigCat/ConfigCatClient.swift:2:8: error: no such module 'os.log'
import os.log
       ^
[28/34] Compiling ConfigCat ConfigCatOptions.swift
/host/spi-builder-workspace/Sources/ConfigCat/ConfigCatClient.swift:2:8: error: no such module 'os.log'
import os.log
       ^
[29/34] Compiling ConfigCat ConfigCatSnapshot.swift
/host/spi-builder-workspace/Sources/ConfigCat/ConfigCatClient.swift:2:8: error: no such module 'os.log'
import os.log
       ^
[30/34] Compiling ConfigCat ConfigCatUser.swift
/host/spi-builder-workspace/Sources/ConfigCat/ConfigCatClient.swift:2:8: error: no such module 'os.log'
import os.log
       ^
[31/34] Compiling ConfigCat ConfigFetcher.swift
/host/spi-builder-workspace/Sources/ConfigCat/ConfigCatClient.swift:2:8: error: no such module 'os.log'
import os.log
       ^
[32/34] Compiling ConfigCat Mutex.swift
/host/spi-builder-workspace/Sources/ConfigCat/ConfigCatClient.swift:2:8: error: no such module 'os.log'
import os.log
       ^
[33/34] Compiling ConfigCat OverrideBehaviour.swift
/host/spi-builder-workspace/Sources/ConfigCat/ConfigCatClient.swift:2:8: error: no such module 'os.log'
import os.log
       ^
[34/34] Compiling ConfigCat OverrideDataSource.swift
/host/spi-builder-workspace/Sources/ConfigCat/ConfigCatClient.swift:2:8: error: no such module 'os.log'
import os.log
       ^
error: fatalError
BUILD FAILURE 5.10 linux