Swift Package Index

Build Information

Failed to build XCTest, reference main (de1522), with Swift 6.3 for macOS (SPM) on 20 Apr 2026 13:29:51 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/swiftlang/swift-corelibs-xctest.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swiftlang/swift-corelibs-xctest
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at de15221 Send interop event if XCTest is not the active test library (#542)
Cloned https://github.com/swiftlang/swift-corelibs-xctest.git
Revision (git rev-parse @):
de1522154ad1c3e78e389a04f0f7723988c7e24e
SUCCESS checkout https://github.com/swiftlang/swift-corelibs-xctest.git at main
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "traits": [
    "default"
  ],
  "dependencies": [
    {
      "identity": "swift-corelibs-xctest",
      "name": "XCTest",
      "url": "https://github.com/swiftlang/swift-corelibs-xctest.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-corelibs-xctest",
      "traits": [
        "default"
      ],
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/swiftlang/swift-corelibs-xctest.git
[1/8439] Fetching swift-corelibs-xctest
Fetched https://github.com/swiftlang/swift-corelibs-xctest.git from cache (1.45s)
Creating working copy for https://github.com/swiftlang/swift-corelibs-xctest.git
Working copy of https://github.com/swiftlang/swift-corelibs-xctest.git resolved at main (de15221)
warning: '.resolve-product-dependencies': dependency 'swift-corelibs-xctest' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/swiftlang/swift-corelibs-xctest.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/4] Write sources
[1/4] Write swift-version--6988338F2F200930.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/36] Emitting module XCTest
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
[4/39] Compiling XCTest XCTestRun.swift
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
[5/39] Compiling XCTest XCTestSuite.swift
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
[6/39] Compiling XCTest XCTestSuiteRun.swift
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
[7/39] Compiling XCTest XCTestCase.swift
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
[8/39] Compiling XCTest XCTestCaseRun.swift
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
[9/39] Compiling XCTest XCTestErrors.swift
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
[10/39] Compiling XCTest XCTestCase+Asynchronous.swift
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
[11/39] Compiling XCTest XCTestExpectation.swift
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
[12/39] Compiling XCTest XCAbstractTest.swift
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
[13/39] Compiling XCTest XCTestCase.TearDownBlocksState.swift
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
[14/39] Compiling XCTest XCTestCaseSuite.swift
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
[15/39] Compiling XCTest XCTestInternalObservation.swift
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
[16/39] Compiling XCTest XCTNSNotificationExpectation.swift
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
[17/39] Compiling XCTest ArgumentParser.swift
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
[18/39] Compiling XCTest IgnoredErrors.swift
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
[19/39] Compiling XCTest InteropHandler.swift
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
[20/39] Compiling XCTest InteropRecord.swift
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
[21/39] Compiling XCTest XCTestMain.swift
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
[22/39] Compiling XCTest XCTestObservation.swift
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
[23/39] Compiling XCTest XCTestObservationCenter.swift
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
[24/39] Compiling XCTest XCTNSPredicateExpectation.swift
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
[25/39] Compiling XCTest XCTWaiter+Validation.swift
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
[26/39] Compiling XCTest XCTWaiter.swift
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
[27/39] Compiling XCTest XCTAssert.swift
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
[28/39] Compiling XCTest XCTSkip.swift
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
[29/39] Compiling XCTest XCTestCase+Performance.swift
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
[30/39] Compiling XCTest TestFiltering.swift
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
[31/39] Compiling XCTest TestListing.swift
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
[32/39] Compiling XCTest WaiterManager.swift
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
[33/39] Compiling XCTest WallClockTimeMetric.swift
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
[34/39] Compiling XCTest ObjectWrapper.swift
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
[35/39] Compiling XCTest PerformanceMeter.swift
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
[36/39] Compiling XCTest PrintObserver.swift
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
[37/39] Compiling XCTest SourceLocation.swift
/Users/admin/builder/spi-builder-workspace/Sources/XCTest/Private/Interop/InteropHandler.swift:17:12: error: no such module 'SwiftFoundation'
 15 |     import Foundation
 16 |     #else
 17 |     import SwiftFoundation
    |            `- error: no such module 'SwiftFoundation'
 18 |     #endif
 19 | #else
BUILD FAILURE 6.3 macosSpm