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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 Ifrit, reference v3.0.0 (9b9556), with Swift 5.10 for Linux on 20 Apr 2025 22:52:53 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: 4.60.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ukushu/Ifrit.git
Reference: v3.0.0
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/ukushu/Ifrit
 * tag               v3.0.0     -> FETCH_HEAD
HEAD is now at 9b9556e improve documentation
Cloned https://github.com/ukushu/Ifrit.git
Revision (git rev-parse @):
9b9556e14cee24ad16b19d0eb099283cf79a7d94
SUCCESS checkout https://github.com/ukushu/Ifrit.git at v3.0.0
========================================
Build
========================================
Selected platform:         linux
Swift version:             5.10
Building package at path:  $PWD
https://github.com/ukushu/Ifrit.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$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
warning: 'spi-builder-workspace': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /host/spi-builder-workspace/Sources/Ifrit/Classes/Fuse_LICENSE
Building for debugging...
[0/7] Write sources
[1/7] Write swift-version-24593BA9C3E375BF.txt
[3/23] Emitting module Ifrit
[4/25] Compiling Ifrit Fuzzy.swift
[5/25] Compiling Ifrit FuzzyResult.swift
[6/25] Compiling Ifrit FuzzyResultSegment.swift
[7/25] Compiling Ifrit Score.swift
[8/25] Compiling Ifrit String+Fuse.swift
[9/25] Compiling Ifrit Alignment.swift
[10/25] Compiling Ifrit Fuse+String.swift
[11/25] Compiling Ifrit Fuse.swift
[12/25] Compiling Ifrit Searchable.swift
[13/25] Compiling Ifrit Array+.swift
[14/25] Compiling Ifrit FuseProp.swift
[15/25] Compiling Ifrit FuseUtilities.swift
[16/25] Compiling Ifrit Fuse+ArrObjects.swift
/host/spi-builder-workspace/Sources/Ifrit/Classes/Fuse+/Fuse+FuseProps.swift:124:25: error: mutation of captured var 'collectionResult' in concurrently-executing code
                        collectionResult.append((
                        ^
[17/25] Compiling Ifrit Fuse+ArrStrings.swift
/host/spi-builder-workspace/Sources/Ifrit/Classes/Fuse+/Fuse+FuseProps.swift:124:25: error: mutation of captured var 'collectionResult' in concurrently-executing code
                        collectionResult.append((
                        ^
[18/25] Compiling Ifrit Fuse+FuseProps.swift
/host/spi-builder-workspace/Sources/Ifrit/Classes/Fuse+/Fuse+FuseProps.swift:124:25: error: mutation of captured var 'collectionResult' in concurrently-executing code
                        collectionResult.append((
                        ^
[19/25] Compiling Ifrit Levenstain.swift
[20/25] Compiling Ifrit String+.swift
error: fatalError
BUILD FAILURE 5.10 linux