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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 swift-package-api-diff, reference main (d9947b), with Swift 6.1 for Linux on 26 Apr 2025 22:42:39 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/eugenebokhan/swift-package-api-diff.git
Reference: main
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/eugenebokhan/swift-package-api-diff
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at d9947b5 update tests
Cloned https://github.com/eugenebokhan/swift-package-api-diff.git
Revision (git rev-parse @):
d9947b59c1e736c2f0e32cd4a6cca3ffc5f70eb9
SUCCESS checkout https://github.com/eugenebokhan/swift-package-api-diff.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/eugenebokhan/swift-package-api-diff.git
https://github.com/eugenebokhan/swift-package-api-diff.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "swift-argument-parser",
      "requirement" : {
        "exact" : [
          "0.3.2"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-argument-parser.git"
    },
    {
      "identity" : "swift-package-manager",
      "requirement" : {
        "revision" : [
          "swift-5.4.2-RELEASE"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-package-manager.git"
    },
    {
      "identity" : "files",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "4.0.2",
            "upper_bound" : "5.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/JohnSundell/Files"
    }
  ],
  "manifest_display_name" : "swift-package-api-diff",
  "name" : "swift-package-api-diff",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    }
  ],
  "products" : [
    {
      "name" : "swift-package-api-diff",
      "targets" : [
        "swift-package-api-diff"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "swift_package_api_diff_tests",
      "module_type" : "SwiftTarget",
      "name" : "swift-package-api-diff-tests",
      "path" : "Tests/swift-package-api-diff-tests",
      "product_dependencies" : [
        "Files",
        "SwiftPM-auto"
      ],
      "sources" : [
        "Tests.swift"
      ],
      "target_dependencies" : [
        "swift-package-api-diff"
      ],
      "type" : "test"
    },
    {
      "c99name" : "swift_package_api_diff",
      "module_type" : "SwiftTarget",
      "name" : "swift-package-api-diff",
      "path" : "Sources/swift-package-api-diff",
      "product_dependencies" : [
        "ArgumentParser",
        "Files",
        "SwiftPM-auto"
      ],
      "product_memberships" : [
        "swift-package-api-diff"
      ],
      "sources" : [
        "CLI Commands/APIChangesDescription.swift",
        "CLI Commands/APIChangesType.swift",
        "CLI Commands/SwiftPackageAPIDiff.swift",
        "Extensions/String+Extensions.swift",
        "main.swift"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "5.3"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -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 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/apple/swift-package-manager.git
[1/151230] Fetching swift-package-manager
Fetched https://github.com/apple/swift-package-manager.git from cache (17.28s)
Fetching https://github.com/apple/swift-llbuild.git
[1/28914] Fetching swift-llbuild
Fetched https://github.com/apple/swift-llbuild.git from cache (2.44s)
Fetching https://github.com/apple/swift-tools-support-core.git
[1/6718] Fetching swift-tools-support-core
Fetched https://github.com/apple/swift-tools-support-core.git from cache (0.65s)
Fetching https://github.com/apple/swift-driver.git
[1/34212] Fetching swift-driver
Fetched https://github.com/apple/swift-driver.git from cache (1.71s)
Fetching https://github.com/apple/swift-argument-parser.git
Fetching https://github.com/jpsim/Yams.git
Fetching https://github.com/JohnSundell/Files
[1/1236] Fetching files
[1237/11525] Fetching files, yams
[7514/26475] Fetching files, yams, swift-argument-parser
Fetched https://github.com/JohnSundell/Files from cache (1.10s)
Fetched https://github.com/apple/swift-argument-parser.git from cache (1.11s)
Fetched https://github.com/jpsim/Yams.git from cache (1.14s)
Computing version for https://github.com/apple/swift-argument-parser.git
Computed https://github.com/apple/swift-argument-parser.git at 0.3.2 (1.72s)
Computing version for https://github.com/JohnSundell/Files
Computed https://github.com/JohnSundell/Files at 4.2.0 (0.56s)
Computing version for https://github.com/jpsim/Yams.git
Computed https://github.com/jpsim/Yams.git at 4.0.6 (0.56s)
Creating working copy for https://github.com/apple/swift-tools-support-core.git
Working copy of https://github.com/apple/swift-tools-support-core.git resolved at release/5.4 (d7bd437)
Creating working copy for https://github.com/JohnSundell/Files
Working copy of https://github.com/JohnSundell/Files resolved at 4.2.0
Creating working copy for https://github.com/jpsim/Yams.git
Working copy of https://github.com/jpsim/Yams.git resolved at 4.0.6
Creating working copy for https://github.com/apple/swift-llbuild.git
Working copy of https://github.com/apple/swift-llbuild.git resolved at release/5.4 (eb56a00)
Creating working copy for https://github.com/apple/swift-package-manager.git
Working copy of https://github.com/apple/swift-package-manager.git resolved at swift-5.4.2-RELEASE (374cdb4)
Creating working copy for https://github.com/apple/swift-argument-parser.git
Working copy of https://github.com/apple/swift-argument-parser.git resolved at 0.3.2
Creating working copy for https://github.com/apple/swift-driver.git
Working copy of https://github.com/apple/swift-driver.git resolved at release/5.4 (93e8b92)
Building for debugging...
[0/140] Write sources
[1/140] Compiling reader.c
[2/140] Compiling parser.c
[3/140] Compiling scanner.c
[4/140] Compiling api.c
[5/140] Compiling llvmSupport Valgrind.cpp
[6/140] Compiling llvmSupport UnicodeCaseFold.cpp
[7/140] Compiling emitter.c
[8/140] Compiling writer.c
[8/140] Write swift-version-24593BA9C3E375BF.txt
[10/140] Compiling llvmSupport Threading.cpp
[11/140] Compiling llvmSupport circular_raw_ostream.cpp
[12/140] Compiling llvmSupport Unicode.cpp
[13/140] Compiling llvmSupport Twine.cpp
[14/140] Compiling llvmSupport raw_ostream.cpp
[15/140] Compiling llvmSupport TargetParser.cpp
[16/140] Compiling llvmSupport Triple.cpp
[17/140] Compiling llvmSupport StringSaver.cpp
[18/140] Compiling llvmSupport YAMLParser.cpp
[19/140] Compiling llvmSupport StringExtras.cpp
[20/140] Compiling llvmSupport StringMap.cpp
[21/140] Compiling llvmSupport SmallVector.cpp
[21/140] Compiling llvmSupport StringRef.cpp
[23/140] Compiling llvmSupport SmallPtrSet.cpp
[24/140] Compiling llvmSupport Program.cpp
[25/140] Compiling llvmSupport SourceMgr.cpp
[26/140] Compiling llvmSupport NativeFormatting.cpp
[27/140] Compiling llvmSupport Mutex.cpp
[28/140] Compiling llvmSupport Process.cpp
[29/140] Compiling llvmSupport Options.cpp
[30/140] Compiling llvmSupport MathExtras.cpp
[31/140] Compiling llvmSupport Signals.cpp
[32/140] Compiling llvmSupport MemoryBuffer.cpp
[33/140] Compiling llvmSupport ManagedStatic.cpp
[34/140] Compiling llvmSupport Memory.cpp
[35/140] Compiling llvmSupport Path.cpp
[36/140] Compiling llvmSupport FormatVariadic.cpp
[37/140] Compiling llvmSupport Locale.cpp
[38/140] Compiling llvmSupport MD5.cpp
[39/140] Compiling llvmSupport Hashing.cpp
[40/140] Compiling llvmSupport FoldingSet.cpp
[41/140] Compiling llvmSupport Error.cpp
[42/140] Compiling llvmSupport Host.cpp
[43/140] Compiling llvmSupport FileUtilities.cpp
[44/140] Compiling llvmSupport ConvertUTF.cpp
[45/140] Compiling llvmSupport Debug.cpp
[46/140] Compiling llvmSupport Atomic.cpp
[47/140] Compiling llvmSupport DJB.cpp
[48/140] Compiling llvmSupport Errno.cpp
[49/140] Compiling llvmSupport ConvertUTFWrapper.cpp
[50/140] Compiling llvmSupport Allocator.cpp
[51/140] Compiling llvmSupport ErrorHandling.cpp
[52/140] Write sources
[53/140] Compiling llvmSupport APInt.cpp
[54/140] Compiling llvmSupport Chrono.cpp
[55/140] Compiling llvmSupport APSInt.cpp
[56/140] Compiling llvmDemangle MicrosoftDemangle.cpp
[57/140] Compiling llbuildCore MakefileDepsParser.cpp
[58/140] Compiling llbuildCore BuildDB.cpp
[59/140] Compiling llbuildCore DependencyInfoParser.cpp
[60/140] Compiling llvmSupport APFloat.cpp
[61/140] Compiling llvmDemangle ItaniumDemangle.cpp
[62/140] Compiling llbuildCore SQLiteBuildDB.cpp
[63/140] Compiling llbuildCore BuildEngineTrace.cpp
[64/140] Compiling llbuildBuildSystem BuildSystemFrontend.cpp
[65/140] Compiling llvmSupport CommandLine.cpp
[66/140] Compiling llbuildBuildSystem BuildValue.cpp
[67/140] Compiling llbuildBuildSystem BuildSystemExtensionManager.cpp
[68/140] Compiling llbuildBuildSystem ExternalCommand.cpp
[69/140] Compiling llbuildBuildSystem ShellCommand.cpp
[70/140] Compiling llbuildCore BuildEngine.cpp
[71/140] Compiling llbuildBuildSystem BuildKey.cpp
[72/140] Compiling llbuildBuildSystem BuildNode.cpp
[73/140] Compiling llbuildBasic Version.cpp
[74/140] Compiling llbuildBasic Tracing.cpp
[75/140] Compiling llbuildBuildSystem BuildDescription.cpp
[76/140] Compiling llbuildBasic ShellUtility.cpp
[77/140] Compiling llbuildBasic Subprocess.cpp
[78/140] Compiling llbuildBasic Hashing.cpp
[79/140] Compiling llbuildBuildSystem BuildFile.cpp
[80/140] Compiling llbuildBasic PlatformUtility.cpp
[81/140] Compiling llbuildBasic SerialQueue.cpp
[82/140] Compiling llbuildBasic ExecutionQueue.cpp
[83/140] Compiling llbuildBasic LaneBasedExecutionQueue.cpp
[84/140] Compiling llbuildBasic FileSystem.cpp
[85/140] Compiling libllbuild C-API.cpp
[86/140] Compiling llbuildBasic FileInfo.cpp
[87/140] Write sources
[88/140] Compiling _CSwiftDriver _CSwiftDriverImpl.c
[89/140] Write sources
/host/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCclibc/process.c:10:12: error: call to undeclared function 'posix_spawn_file_actions_addchdir_np'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
   10 |     return posix_spawn_file_actions_addchdir_np(file_actions, path);
      |            ^
/host/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCclibc/process.c:10:12: note: did you mean 'SPM_posix_spawn_file_actions_addchdir_np'?
/host/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCclibc/process.c:7:5: note: 'SPM_posix_spawn_file_actions_addchdir_np' declared here
    7 | int SPM_posix_spawn_file_actions_addchdir_np(posix_spawn_file_actions_t *restrict file_actions, const char *restrict path) {
      |     ^
    8 | #if defined(__GLIBC__)
    9 | #  if __GLIBC_PREREQ(2, 29)
   10 |     return posix_spawn_file_actions_addchdir_np(file_actions, path);
      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |            SPM_posix_spawn_file_actions_addchdir_np
1 error generated.
[91/140] Compiling TSCclibc process.c
[91/140] Compiling libllbuild BuildSystem-C-API.cpp
[91/140] Compiling libllbuild BuildValue-C-API.cpp
[91/140] Compiling libllbuild Core-C-API.cpp
[91/140] Compiling libllbuild BuildKey-C-API.cpp
[91/140] Compiling libllbuild BuildDB-C-API.cpp
[91/140] Compiling llbuildBuildSystem BuildSystem.cpp
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/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...
[0/49] Write sources
[17/50] Compiling TSCclibc libc.c
/host/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCclibc/process.c:10:12: error: call to undeclared function 'posix_spawn_file_actions_addchdir_np'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
   10 |     return posix_spawn_file_actions_addchdir_np(file_actions, path);
      |            ^
/host/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCclibc/process.c:10:12: note: did you mean 'SPM_posix_spawn_file_actions_addchdir_np'?
/host/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCclibc/process.c:7:5: note: 'SPM_posix_spawn_file_actions_addchdir_np' declared here
    7 | int SPM_posix_spawn_file_actions_addchdir_np(posix_spawn_file_actions_t *restrict file_actions, const char *restrict path) {
      |     ^
    8 | #if defined(__GLIBC__)
    9 | #  if __GLIBC_PREREQ(2, 29)
   10 |     return posix_spawn_file_actions_addchdir_np(file_actions, path);
      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |            SPM_posix_spawn_file_actions_addchdir_np
1 error generated.
[18/50] Compiling TSCclibc process.c
[18/50] Compiling llbuildBuildSystem BuildSystem.cpp
[18/50] Compiling libllbuild BuildSystem-C-API.cpp
[18/50] Compiling libllbuild BuildKey-C-API.cpp
[18/50] Compiling libllbuild BuildValue-C-API.cpp
[18/50] Compiling libllbuild Core-C-API.cpp
[18/50] Compiling libllbuild BuildDB-C-API.cpp
[18/50] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.1 linux