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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 2.0.0 (33dd87), with Swift 6.0 for Linux on 19 Mar 2025 00:02:03 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: 4.60.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Filozoff/XCTestExtension.git
Reference: 2.0.0
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
 * tag               2.0.0      -> FETCH_HEAD
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 2.0.0
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
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-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats 2>&1
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:081dcf4fb829aea9d08447f4790431afbdfbcc335bfeed728ca69c6f181ae2aa
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-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 (2.62s)
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] Compiling Difference Difference.swift
[5/5] Emitting module Difference
[7/17] 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 |
[8/17] 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 |
[9/17] 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 |
[10/18] 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 |
[11/18] 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 |
[12/18] 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 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[13/18] 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 |
[14/18] 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 |
[15/18] 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 |
[16/18] 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 |
[17/18] 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 |
[18/18] 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 |
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: sha256:081dcf4fb829aea9d08447f4790431afbdfbcc335bfeed728ca69c6f181ae2aa
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/3] Compiling Difference Difference.swift
[3/3] Emitting module Difference
[5/15] 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 |
[6/15] 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 |
[7/16] 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 |
[8/16] 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 |
[9/16] 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 |
[10/16] 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 |
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 6.0 linux