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Build Information

Failed to build XCTAssertCrash, reference master (4b414b), with Swift 6.2 (beta) for Linux on 18 Jun 2025 02:42:11 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.2-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.64.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/norio-nomura/xctassertcrash.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/norio-nomura/xctassertcrash
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 4b414b3 [GitHub Actions] Update action-swiftlint to 3.0.1
Cloned https://github.com/norio-nomura/xctassertcrash.git
Revision (git rev-parse @):
4b414b3b865299332b4b0c185c530fe3ea681867
SUCCESS checkout https://github.com/norio-nomura/xctassertcrash.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.2
Building package at path:  $PWD
https://github.com/norio-nomura/xctassertcrash.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.2-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.2-latest: Pulling from finestructure/spi-images
Digest: sha256:f81a7bd7aa87a0f81848d48c5bcc03f5f78deebd37fa5f9be9913077205d3687
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.2-latest
Building for debugging...
[0/4] Write sources
[1/4] Compiling CMachExceptionHandler CMachExceptionHandler.c
[2/4] Compiling CMachExceptionHandler mach_excServer.c
[2/4] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[5/10] Compiling XCTAssertCrash MachException.swift
[6/10] Emitting module XCTAssertCrash
/host/spi-builder-workspace/Sources/XCTAssertCrash/XCTAssertCrash.swift:101:21: error: cannot inherit from class 'Thread' (compiled with Swift 6.2) because it has overridable members that could not be loaded in Swift 5.10
 99 | }
100 |
101 | private final class _Thread: Thread {
    |                     `- error: cannot inherit from class 'Thread' (compiled with Swift 6.2) because it has overridable members that could not be loaded in Swift 5.10
102 |     private let block: () -> Void
103 |
[7/10] Compiling XCTAssertCrash SwiftReportFatalErrorsToDebugger.swift
[8/10] Compiling XCTAssertCrash ThreadState.swift
[9/10] Compiling XCTAssertCrash XCTAssertCrash.swift
/host/spi-builder-workspace/Sources/XCTAssertCrash/XCTAssertCrash.swift:101:21: error: cannot inherit from class 'Thread' (compiled with Swift 6.2) because it has overridable members that could not be loaded in Swift 5.10
 99 | }
100 |
101 | private final class _Thread: Thread {
    |                     `- error: cannot inherit from class 'Thread' (compiled with Swift 6.2) because it has overridable members that could not be loaded in Swift 5.10
102 |     private let block: () -> Void
103 |
/host/spi-builder-workspace/Sources/XCTAssertCrash/XCTAssertCrash.swift:82:40: warning: converting non-Sendable function value to '@Sendable () -> Void' may introduce data races
 80 |             }
 81 |             if #available(macOS 12, iOS 10, tvOS 10, watchOS 3, *) {
 82 |                 thread = Thread(block: block)
    |                                        `- warning: converting non-Sendable function value to '@Sendable () -> Void' may introduce data races
 83 |             } else {
 84 |                 thread = _Thread(block: block)
[10/10] Compiling XCTAssertCrash PosixSignal.swift
BUILD FAILURE 6.2 linux