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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 Spezi, reference main (c11cfc), with Swift 6.0 for Linux on 29 Apr 2025 18:43:15 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/StanfordSpezi/Spezi.git
Reference: main
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/StanfordSpezi/Spezi
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at c11cfcc existential any (#123)
Cloned https://github.com/StanfordSpezi/Spezi.git
Revision (git rev-parse @):
c11cfcc903527ff033a7e987594cc3fdc1ef191c
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/StanfordSpezi/Spezi.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/StanfordSpezi/Spezi.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:9029076bb687edc160a3d5201c89e92dd9fa7309f33f090c4234365c83366c31
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Fetching https://github.com/StanfordBDHG/XCTRuntimeAssertions.git
Fetching https://github.com/StanfordSpezi/SpeziFoundation.git
Fetching https://github.com/apple/swift-collections.git
[1/534] Fetching xctruntimeassertions
[535/1304] Fetching xctruntimeassertions, spezifoundation
Fetched https://github.com/StanfordBDHG/XCTRuntimeAssertions.git from cache (0.26s)
[1/16269] Fetching swift-collections
Fetched https://github.com/StanfordSpezi/SpeziFoundation.git from cache (1.10s)
Fetched https://github.com/apple/swift-collections.git from cache (1.12s)
Computing version for https://github.com/StanfordBDHG/XCTRuntimeAssertions.git
Computed https://github.com/StanfordBDHG/XCTRuntimeAssertions.git at 1.1.3 (2.41s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.1.4 (0.91s)
Computing version for https://github.com/StanfordSpezi/SpeziFoundation.git
Computed https://github.com/StanfordSpezi/SpeziFoundation.git at 2.1.5 (0.79s)
Fetching https://github.com/apple/swift-atomics.git
Fetching https://github.com/apple/swift-algorithms.git
[1/5903] Fetching swift-algorithms
[120/7608] Fetching swift-algorithms, swift-atomics
Fetched https://github.com/apple/swift-atomics.git from cache (0.46s)
Fetched https://github.com/apple/swift-algorithms.git from cache (0.46s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.2.0 (0.61s)
Computing version for https://github.com/apple/swift-algorithms.git
Computed https://github.com/apple/swift-algorithms.git at 1.2.1 (0.66s)
Fetching https://github.com/apple/swift-numerics.git
[1/5674] Fetching swift-numerics
Fetched https://github.com/apple/swift-numerics.git from cache (0.41s)
Computing version for https://github.com/apple/swift-numerics.git
Computed https://github.com/apple/swift-numerics.git at 1.0.3 (0.66s)
Creating working copy for https://github.com/StanfordSpezi/SpeziFoundation.git
Working copy of https://github.com/StanfordSpezi/SpeziFoundation.git resolved at 2.1.5
Creating working copy for https://github.com/apple/swift-algorithms.git
Working copy of https://github.com/apple/swift-algorithms.git resolved at 1.2.1
Creating working copy for https://github.com/StanfordBDHG/XCTRuntimeAssertions.git
Working copy of https://github.com/StanfordBDHG/XCTRuntimeAssertions.git resolved at 1.1.3
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.2.0
Creating working copy for https://github.com/apple/swift-numerics.git
Working copy of https://github.com/apple/swift-numerics.git resolved at 1.0.3
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.1.4
Building for debugging...
[0/17] Write sources
[3/17] Copying Localizable.xcstrings
[3/17] Write sources
[3/17] Copying Info.plist
[4/17] Copying Localizable.xcstrings.license
[7/17] Write sources
[13/17] Compiling _NumericsShims _NumericsShims.c
[14/17] Compiling _AtomicsShims.c
In file included from /host/spi-builder-workspace/.build/checkouts/SpeziFoundation/Sources/SpeziFoundationObjC/ObjCExceptionHandling.m:9:
/host/spi-builder-workspace/.build/checkouts/SpeziFoundation/Sources/SpeziFoundationObjC/include/ObjCExceptionHandling.h:12:10: fatal error: 'Foundation/NSObjCRuntime.h' file not found
   12 | #include <Foundation/NSObjCRuntime.h>
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.
[15/17] Compiling SpeziFoundationObjC ObjCExceptionHandling.m
[15/17] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.0 linux