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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 XCTestExtension, reference master (33dd87), with Swift 6.1 for Linux on 1 May 2025 00:33:52 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Filozoff/XCTestExtension.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/Filozoff/XCTestExtension
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 33dd874 Update for Swift 6
Cloned https://github.com/Filozoff/XCTestExtension.git
Revision (git rev-parse @):
33dd874a1bb765c08aeb38eada7937d198a06431
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/Filozoff/XCTestExtension.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/Filozoff/XCTestExtension.git
https://github.com/Filozoff/XCTestExtension.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "difference",
      "requirement" : {
        "exact" : [
          "1.0.2"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/krzysztofzablocki/Difference"
    }
  ],
  "manifest_display_name" : "XCTestExtension",
  "name" : "XCTestExtension",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "XCTestExtension",
      "targets" : [
        "XCTestExtension"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "XCTestExtensionTests",
      "module_type" : "SwiftTarget",
      "name" : "XCTestExtensionTests",
      "path" : "Tests/XCTestExtensionTests",
      "sources" : [
        "AssertionsTests/XCTAssertNoDiffTests.swift",
        "AssertionsTests/XCTAssertNoThrowTest.swift",
        "AssertionsTests/XCTAssertThrowsErrorEqualTests.swift",
        "AssertionsTests/XCTAssertThrowsErrorTests.swift",
        "AssertionsTests/XCTAssertThrowsErrorTypeTests.swift",
        "AssertionsTests/XCTTimeoutTests.swift",
        "ExpectationTests/PublisherExpectationTests.swift",
        "TestDoubles/Stubs/EquatableError.swift",
        "TestDoubles/Stubs/EquatableStub.swift",
        "TestDoubles/Stubs/MethodStub.swift",
        "TestDoubles/Stubs/SimpleEnumError.swift"
      ],
      "target_dependencies" : [
        "XCTestExtension"
      ],
      "type" : "test"
    },
    {
      "c99name" : "XCTestExtension",
      "module_type" : "SwiftTarget",
      "name" : "XCTestExtension",
      "path" : "Sources/XCTestExtension",
      "product_dependencies" : [
        "Difference"
      ],
      "product_memberships" : [
        "XCTestExtension"
      ],
      "sources" : [
        "Assertions/XCTAssertNoDiff.swift",
        "Assertions/XCTAssertNoThrow.swift",
        "Assertions/XCTAssertThrowsError.swift",
        "Assertions/XCTAssertThrowsErrorEqual.swift",
        "Assertions/XCTAssertThrowsErrorType.swift",
        "Assertions/XCTTimeout.swift",
        "Common/Concurrency/Task+Sleep.swift",
        "Common/Concurrency/Task+Timeout.swift",
        "Common/Result.swift",
        "Expectations/PublisherExpectation.swift",
        "Helpers/StringExtension.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Fetching https://github.com/krzysztofzablocki/Difference
[1/471] Fetching difference
Fetched https://github.com/krzysztofzablocki/Difference from cache (0.29s)
Computing version for https://github.com/krzysztofzablocki/Difference
Computed https://github.com/krzysztofzablocki/Difference at 1.0.2 (2.10s)
Creating working copy for https://github.com/krzysztofzablocki/Difference
Working copy of https://github.com/krzysztofzablocki/Difference resolved at 1.0.2
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version-24593BA9C3E375BF.txt
[4/5] Emitting module Difference
[5/5] Compiling Difference Difference.swift
[7/17] Compiling XCTestExtension Result.swift
/host/spi-builder-workspace/Sources/XCTestExtension/Expectations/PublisherExpectation.swift:1:8: error: no such module 'Combine'
 1 | import Combine
   |        `- error: no such module 'Combine'
 2 | import XCTest
 3 |
[8/18] Compiling XCTestExtension XCTAssertThrowsErrorType.swift
/host/spi-builder-workspace/Sources/XCTestExtension/Expectations/PublisherExpectation.swift:1:8: error: no such module 'Combine'
 1 | import Combine
   |        `- error: no such module 'Combine'
 2 | import XCTest
 3 |
[9/18] Compiling XCTestExtension XCTTimeout.swift
/host/spi-builder-workspace/Sources/XCTestExtension/Expectations/PublisherExpectation.swift:1:8: error: no such module 'Combine'
 1 | import Combine
   |        `- error: no such module 'Combine'
 2 | import XCTest
 3 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[10/18] Emitting module XCTestExtension
/host/spi-builder-workspace/Sources/XCTestExtension/Expectations/PublisherExpectation.swift:1:8: error: no such module 'Combine'
 1 | import Combine
   |        `- error: no such module 'Combine'
 2 | import XCTest
 3 |
[11/18] Compiling XCTestExtension XCTAssertNoDiff.swift
/host/spi-builder-workspace/Sources/XCTestExtension/Expectations/PublisherExpectation.swift:1:8: error: no such module 'Combine'
 1 | import Combine
   |        `- error: no such module 'Combine'
 2 | import XCTest
 3 |
[12/18] Compiling XCTestExtension XCTAssertNoThrow.swift
/host/spi-builder-workspace/Sources/XCTestExtension/Expectations/PublisherExpectation.swift:1:8: error: no such module 'Combine'
 1 | import Combine
   |        `- error: no such module 'Combine'
 2 | import XCTest
 3 |
[13/18] Compiling XCTestExtension XCTAssertThrowsError.swift
/host/spi-builder-workspace/Sources/XCTestExtension/Expectations/PublisherExpectation.swift:1:8: error: no such module 'Combine'
 1 | import Combine
   |        `- error: no such module 'Combine'
 2 | import XCTest
 3 |
[14/18] Compiling XCTestExtension XCTAssertThrowsErrorEqual.swift
/host/spi-builder-workspace/Sources/XCTestExtension/Expectations/PublisherExpectation.swift:1:8: error: no such module 'Combine'
 1 | import Combine
   |        `- error: no such module 'Combine'
 2 | import XCTest
 3 |
[15/18] Compiling XCTestExtension PublisherExpectation.swift
/host/spi-builder-workspace/Sources/XCTestExtension/Expectations/PublisherExpectation.swift:1:8: error: no such module 'Combine'
 1 | import Combine
   |        `- error: no such module 'Combine'
 2 | import XCTest
 3 |
[16/18] Compiling XCTestExtension StringExtension.swift
/host/spi-builder-workspace/Sources/XCTestExtension/Expectations/PublisherExpectation.swift:1:8: error: no such module 'Combine'
 1 | import Combine
   |        `- error: no such module 'Combine'
 2 | import XCTest
 3 |
[17/18] Compiling XCTestExtension Task+Sleep.swift
/host/spi-builder-workspace/Sources/XCTestExtension/Expectations/PublisherExpectation.swift:1:8: error: no such module 'Combine'
 1 | import Combine
   |        `- error: no such module 'Combine'
 2 | import XCTest
 3 |
[18/18] Compiling XCTestExtension Task+Timeout.swift
/host/spi-builder-workspace/Sources/XCTestExtension/Expectations/PublisherExpectation.swift:1:8: error: no such module 'Combine'
 1 | import Combine
   |        `- error: no such module 'Combine'
 2 | import XCTest
 3 |
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/3] Emitting module Difference
[3/3] Compiling Difference Difference.swift
[5/15] Compiling XCTestExtension PublisherExpectation.swift
/host/spi-builder-workspace/Sources/XCTestExtension/Expectations/PublisherExpectation.swift:1:8: error: no such module 'Combine'
 1 | import Combine
   |        `- error: no such module 'Combine'
 2 | import XCTest
 3 |
[6/15] Compiling XCTestExtension Result.swift
/host/spi-builder-workspace/Sources/XCTestExtension/Expectations/PublisherExpectation.swift:1:8: error: no such module 'Combine'
 1 | import Combine
   |        `- error: no such module 'Combine'
 2 | import XCTest
 3 |
[7/15] Compiling XCTestExtension Task+Timeout.swift
/host/spi-builder-workspace/Sources/XCTestExtension/Expectations/PublisherExpectation.swift:1:8: error: no such module 'Combine'
 1 | import Combine
   |        `- error: no such module 'Combine'
 2 | import XCTest
 3 |
[8/16] Compiling XCTestExtension Task+Sleep.swift
/host/spi-builder-workspace/Sources/XCTestExtension/Expectations/PublisherExpectation.swift:1:8: error: no such module 'Combine'
 1 | import Combine
   |        `- error: no such module 'Combine'
 2 | import XCTest
 3 |
[9/16] Compiling XCTestExtension XCTAssertThrowsErrorType.swift
/host/spi-builder-workspace/Sources/XCTestExtension/Expectations/PublisherExpectation.swift:1:8: error: no such module 'Combine'
 1 | import Combine
   |        `- error: no such module 'Combine'
 2 | import XCTest
 3 |
[10/16] Compiling XCTestExtension XCTTimeout.swift
/host/spi-builder-workspace/Sources/XCTestExtension/Expectations/PublisherExpectation.swift:1:8: error: no such module 'Combine'
 1 | import Combine
   |        `- error: no such module 'Combine'
 2 | import XCTest
 3 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[11/16] Emitting module XCTestExtension
/host/spi-builder-workspace/Sources/XCTestExtension/Expectations/PublisherExpectation.swift:1:8: error: no such module 'Combine'
 1 | import Combine
   |        `- error: no such module 'Combine'
 2 | import XCTest
 3 |
[12/16] Compiling XCTestExtension XCTAssertThrowsError.swift
/host/spi-builder-workspace/Sources/XCTestExtension/Expectations/PublisherExpectation.swift:1:8: error: no such module 'Combine'
 1 | import Combine
   |        `- error: no such module 'Combine'
 2 | import XCTest
 3 |
[13/16] Compiling XCTestExtension XCTAssertThrowsErrorEqual.swift
/host/spi-builder-workspace/Sources/XCTestExtension/Expectations/PublisherExpectation.swift:1:8: error: no such module 'Combine'
 1 | import Combine
   |        `- error: no such module 'Combine'
 2 | import XCTest
 3 |
[14/16] Compiling XCTestExtension XCTAssertNoDiff.swift
/host/spi-builder-workspace/Sources/XCTestExtension/Expectations/PublisherExpectation.swift:1:8: error: no such module 'Combine'
 1 | import Combine
   |        `- error: no such module 'Combine'
 2 | import XCTest
 3 |
[15/16] Compiling XCTestExtension XCTAssertNoThrow.swift
/host/spi-builder-workspace/Sources/XCTestExtension/Expectations/PublisherExpectation.swift:1:8: error: no such module 'Combine'
 1 | import Combine
   |        `- error: no such module 'Combine'
 2 | import XCTest
 3 |
[16/16] Compiling XCTestExtension StringExtension.swift
/host/spi-builder-workspace/Sources/XCTestExtension/Expectations/PublisherExpectation.swift:1:8: error: no such module 'Combine'
 1 | import Combine
   |        `- error: no such module 'Combine'
 2 | import XCTest
 3 |
BUILD FAILURE 6.1 linux