XCTest – Build Information – Swift Package Index

Build Information

Failed to build XCTest, reference main (de1522), with Swift 6.1 for macOS (SPM) on 20 Apr 2026 13:21:12 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.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
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/swiftlang/swift-corelibs-xctest.git
https://github.com/swiftlang/swift-corelibs-xctest.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "XCTest",
  "name" : "XCTest",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "XCTest",
      "targets" : [
        "XCTest"
      ],
      "type" : {
        "library" : [
          "dynamic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "XCTest",
      "module_type" : "SwiftTarget",
      "name" : "XCTest",
      "path" : "Sources",
      "product_memberships" : [
        "XCTest"
      ],
      "sources" : [
        "XCTest/Private/ArgumentParser.swift",
        "XCTest/Private/IgnoredErrors.swift",
        "XCTest/Private/Interop/InteropHandler.swift",
        "XCTest/Private/Interop/InteropRecord.swift",
        "XCTest/Private/ObjectWrapper.swift",
        "XCTest/Private/PerformanceMeter.swift",
        "XCTest/Private/PrintObserver.swift",
        "XCTest/Private/SourceLocation.swift",
        "XCTest/Private/TestFiltering.swift",
        "XCTest/Private/TestListing.swift",
        "XCTest/Private/WaiterManager.swift",
        "XCTest/Private/WallClockTimeMetric.swift",
        "XCTest/Private/XCTestCase.TearDownBlocksState.swift",
        "XCTest/Private/XCTestCaseSuite.swift",
        "XCTest/Private/XCTestInternalObservation.swift",
        "XCTest/Public/Asynchronous/XCTNSNotificationExpectation.swift",
        "XCTest/Public/Asynchronous/XCTNSPredicateExpectation.swift",
        "XCTest/Public/Asynchronous/XCTWaiter+Validation.swift",
        "XCTest/Public/Asynchronous/XCTWaiter.swift",
        "XCTest/Public/Asynchronous/XCTestCase+Asynchronous.swift",
        "XCTest/Public/Asynchronous/XCTestExpectation.swift",
        "XCTest/Public/XCAbstractTest.swift",
        "XCTest/Public/XCTAssert.swift",
        "XCTest/Public/XCTSkip.swift",
        "XCTest/Public/XCTestCase+Performance.swift",
        "XCTest/Public/XCTestCase.swift",
        "XCTest/Public/XCTestCaseRun.swift",
        "XCTest/Public/XCTestErrors.swift",
        "XCTest/Public/XCTestMain.swift",
        "XCTest/Public/XCTestObservation.swift",
        "XCTest/Public/XCTestObservationCenter.swift",
        "XCTest/Public/XCTestRun.swift",
        "XCTest/Public/XCTestSuite.swift",
        "XCTest/Public/XCTestSuiteRun.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
Building for debugging...
[0/4] Write sources
[1/4] Write swift-version-2F0A5646E1D333AE.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 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
[5/39] 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
[6/39] 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
[7/39] 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
[8/39] 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
[9/39] 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
[10/39] 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
[11/39] 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
[12/39] 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
[13/39] 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
[14/39] 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
[15/39] 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
[16/39] 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
[17/39] 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
[18/39] 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
[19/39] 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
[20/39] 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
[21/39] 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
[22/39] 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
[23/39] 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
[24/39] 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
[25/39] 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
[26/39] 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
[27/39] 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
[28/39] 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
[29/39] 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
[30/39] 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
[31/39] 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
[32/39] 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
[33/39] 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
[34/39] 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
[35/39] 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
[36/39] 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
[37/39] 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
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
[0/1] Planning build
Building for debugging...
[0/3] Write swift-version-2F0A5646E1D333AE.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[2/35] 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
[3/38] 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
[4/38] 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
[5/38] 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
[6/38] 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
[7/38] 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
[8/38] 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
[9/38] 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
[10/38] 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
[11/38] 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
[12/38] 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
[13/38] 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
[14/38] 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
[15/38] 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
[16/38] 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
[17/38] 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
[18/38] 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
[19/38] 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
[20/38] 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
[21/38] 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
[22/38] 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
[23/38] 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
[24/38] 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
[25/38] 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
[26/38] 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
[27/38] 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
[28/38] 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
[29/38] 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
[30/38] 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
[31/38] 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
[32/38] 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
[33/38] 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
[34/38] 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
[35/38] 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
[36/38] 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
BUILD FAILURE 6.1 macosSpm