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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 Doubles, reference 1.4.2 (11874b), with Swift 6.0 for Linux on 14 Sep 2024 08:51:54 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.53.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/mgriebling/Doubles.git
Reference: 1.4.2
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/mgriebling/Doubles
 * tag               1.4.2      -> FETCH_HEAD
HEAD is now at 11874bc Documentation addition
Cloned https://github.com/mgriebling/Doubles.git
Revision (git rev-parse @):
11874bcd84404008d643bc9178bc5671211ef103
SUCCESS checkout https://github.com/mgriebling/Doubles.git at 1.4.2
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/mgriebling/Doubles.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete 2>&1
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:9d7dab235f2b0b46edadd73b1fb0c3b5323df02053420324a4a2f8ca89cb54a5
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
[3/7] Compiling Doubles String+Char.swift
/host/spi-builder-workspace/Sources/Doubles/QDouble.swift:2:8: error: no such module 'simd'
   1 | import Foundation
   2 | import simd                // vector-based math library
     |        `- error: no such module 'simd'
   3 |
   4 | ///  Translated to Swift from an original work called qd-2.3.15
[4/7] Compiling Doubles QDouble.swift
/host/spi-builder-workspace/Sources/Doubles/QDouble.swift:2:8: error: no such module 'simd'
   1 | import Foundation
   2 | import simd                // vector-based math library
     |        `- error: no such module 'simd'
   3 |
   4 | ///  Translated to Swift from an original work called qd-2.3.15
error: emit-module command failed with exit code 1 (use -v to see invocation)
[5/7] Emitting module Doubles
/host/spi-builder-workspace/Sources/Doubles/QDouble.swift:2:8: error: no such module 'simd'
   1 | import Foundation
   2 | import simd                // vector-based math library
     |        `- error: no such module 'simd'
   3 |
   4 | ///  Translated to Swift from an original work called qd-2.3.15
[6/7] Compiling Doubles Common.swift
/host/spi-builder-workspace/Sources/Doubles/QDouble.swift:2:8: error: no such module 'simd'
   1 | import Foundation
   2 | import simd                // vector-based math library
     |        `- error: no such module 'simd'
   3 |
   4 | ///  Translated to Swift from an original work called qd-2.3.15
[7/7] Compiling Doubles DDouble.swift
/host/spi-builder-workspace/Sources/Doubles/QDouble.swift:2:8: error: no such module 'simd'
   1 | import Foundation
   2 | import simd                // vector-based math library
     |        `- error: no such module 'simd'
   3 |
   4 | ///  Translated to Swift from an original work called qd-2.3.15
BUILD FAILURE 6.0 linux