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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

Successful build of AssertSwiftCLI, reference main (596665), with Swift 6.1 for Linux on 26 Apr 2025 20:58:12 UTC.

Swift 6 data race errors: 0

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 -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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/KS1019/AssertSwiftCLI.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/KS1019/AssertSwiftCLI
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 596665a Update .gitignore
Cloned https://github.com/KS1019/AssertSwiftCLI.git
Revision (git rev-parse @):
596665ab63843545dc327ec6571be566e952ea5a
SUCCESS checkout https://github.com/KS1019/AssertSwiftCLI.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/KS1019/AssertSwiftCLI.git
https://github.com/KS1019/AssertSwiftCLI.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
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            "upper_bound" : "1.0.0"
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      "type" : "sourceControl",
      "url" : "https://github.com/pointfreeco/swift-custom-dump"
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  "manifest_display_name" : "AssertSwiftCLI",
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  "path" : "/host/spi-builder-workspace",
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      "type" : {
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      }
    }
  ],
  "targets" : [
    {
      "c99name" : "AssertSwiftCLITests",
      "module_type" : "SwiftTarget",
      "name" : "AssertSwiftCLITests",
      "path" : "Tests/AssertSwiftCLITests",
      "sources" : [
        "AssertSwiftCLITests.swift"
      ],
      "target_dependencies" : [
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    },
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      "type" : "library"
    },
    {
      "c99name" : "ArgumentParserTestHelpers",
      "module_type" : "SwiftTarget",
      "name" : "ArgumentParserTestHelpers",
      "path" : "Sources/ArgumentParserTestHelpers",
      "product_dependencies" : [
        "ArgumentParser"
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      "product_memberships" : [
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        "StringHelpers.swift",
        "TestHelpers.swift"
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      "type" : "library"
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}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$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/pointfreeco/swift-custom-dump
Fetching https://github.com/apple/swift-argument-parser
[1/4581] Fetching swift-custom-dump
[4582/19531] Fetching swift-custom-dump, swift-argument-parser
Fetched https://github.com/pointfreeco/swift-custom-dump from cache (1.04s)
Fetched https://github.com/apple/swift-argument-parser from cache (1.05s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.5.0 (1.60s)
Computing version for https://github.com/pointfreeco/swift-custom-dump
Computed https://github.com/pointfreeco/swift-custom-dump at 0.11.2 (0.58s)
Fetching https://github.com/pointfreeco/xctest-dynamic-overlay
[1/5388] Fetching xctest-dynamic-overlay
Fetched https://github.com/pointfreeco/xctest-dynamic-overlay from cache (0.63s)
Computing version for https://github.com/pointfreeco/xctest-dynamic-overlay
Computed https://github.com/pointfreeco/xctest-dynamic-overlay at 0.9.0 (1.21s)
Creating working copy for https://github.com/pointfreeco/swift-custom-dump
Working copy of https://github.com/pointfreeco/swift-custom-dump resolved at 0.11.2
Creating working copy for https://github.com/pointfreeco/xctest-dynamic-overlay
Working copy of https://github.com/pointfreeco/xctest-dynamic-overlay resolved at 0.9.0
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.5.0
[1/1] Compiling plugin GenerateManual
Building for debugging...
[1/8] Write sources
[7/8] Write swift-version-24593BA9C3E375BF.txt
[9/18] Emitting module ArgumentParserToolInfo
[10/18] Compiling ArgumentParserToolInfo ToolInfo.swift
[12/57] Compiling ArgumentParser OptionGroup.swift
[13/57] Compiling ArgumentParser AsyncParsableCommand.swift
[14/57] Compiling ArgumentParser CommandConfiguration.swift
[15/57] Compiling ArgumentParser CommandGroup.swift
[16/57] Compiling ArgumentParser EnumerableFlag.swift
[17/62] Emitting module ArgumentParser
[18/62] Compiling ArgumentParser CollectionExtensions.swift
[19/62] Compiling ArgumentParser Platform.swift
[20/62] Compiling ArgumentParser SequenceExtensions.swift
[21/62] Compiling ArgumentParser StringExtensions.swift
[22/62] Compiling ArgumentParser Tree.swift
[23/62] Compiling XCTestDynamicOverlay RuntimeWarnings.swift
[24/62] Compiling XCTestDynamicOverlay Unimplemented.swift
[25/62] Compiling XCTestDynamicOverlay XCTCurrentTestCase.swift
[26/62] Compiling XCTestDynamicOverlay XCTFail.swift
[27/62] Compiling XCTestDynamicOverlay GeneratePlaceholder.swift
[28/63] Compiling XCTestDynamicOverlay Deprecations.swift
[29/63] Emitting module XCTestDynamicOverlay
[30/63] Compiling XCTestDynamicOverlay DefaultInitializable.swift
[31/63] Compiling XCTestDynamicOverlay XCTIsTesting.swift
[32/64] Compiling ArgumentParser ArgumentDefinition.swift
[33/64] Compiling ArgumentParser ArgumentSet.swift
[34/64] Compiling ArgumentParser CommandParser.swift
[35/64] Compiling ArgumentParser InputKey.swift
[36/64] Compiling ArgumentParser InputOrigin.swift
[37/64] Compiling ArgumentParser DumpHelpGenerator.swift
[38/64] Compiling ArgumentParser HelpCommand.swift
[39/64] Compiling ArgumentParser HelpGenerator.swift
[40/64] Compiling ArgumentParser MessageInfo.swift
[41/64] Compiling ArgumentParser UsageGenerator.swift
[42/64] Compiling ArgumentParser Name.swift
[43/64] Compiling ArgumentParser Parsed.swift
[44/64] Compiling ArgumentParser ParsedValues.swift
[45/64] Compiling ArgumentParser ParserError.swift
[46/64] Compiling ArgumentParser SplitArguments.swift
[47/64] Compiling ArgumentParser BashCompletionsGenerator.swift
[48/64] Compiling ArgumentParser CompletionsGenerator.swift
[49/64] Compiling ArgumentParser FishCompletionsGenerator.swift
[50/64] Compiling ArgumentParser ZshCompletionsGenerator.swift
[51/64] Compiling ArgumentParser Argument.swift
[52/64] Compiling ArgumentParser ArgumentHelp.swift
[53/64] Compiling ArgumentParser ArgumentVisibility.swift
[54/64] Compiling ArgumentParser CompletionKind.swift
[55/64] Compiling ArgumentParser Errors.swift
[56/64] Compiling ArgumentParser Flag.swift
[57/64] Compiling ArgumentParser NameSpecification.swift
[58/64] Compiling ArgumentParser Option.swift
[59/64] Compiling ArgumentParser ExpressibleByArgument.swift
[60/64] Compiling ArgumentParser ParsableArguments.swift
[61/64] Compiling ArgumentParser ParsableArgumentsValidation.swift
[62/64] Compiling ArgumentParser ParsableCommand.swift
[63/64] Compiling ArgumentParser ArgumentDecoder.swift
[66/92] Compiling CustomDump Box.swift
[67/92] Compiling CustomDump CollectionDifference.swift
[68/92] Compiling CustomDump Mirror.swift
[69/95] Emitting module ArgumentParserTestHelpers
[70/95] Emitting module CustomDump
[71/95] Compiling CustomDump GameKit.swift
[72/95] Compiling CustomDump KeyPath.swift
[73/95] Compiling CustomDump Photos.swift
[74/95] Compiling CustomDump Speech.swift
[75/95] Compiling CustomDump CoreImage.swift
[76/95] Compiling CustomDump CoreLocation.swift
[77/95] Compiling CustomDump CoreMotion.swift
[78/95] Compiling CustomDump Foundation.swift
[79/95] Compiling CustomDump String.swift
[80/95] Compiling CustomDump Unordered.swift
[81/95] Compiling CustomDump XCTAssertNoDifference.swift
[82/95] Compiling ArgumentParserTestHelpers StringHelpers.swift
[83/95] Compiling ArgumentParserTestHelpers TestHelpers.swift
[85/96] Compiling CustomDump UIKit.swift
[86/96] Compiling CustomDump UserNotifications.swift
[87/96] Compiling CustomDump UserNotificationsUI.swift
[88/96] Compiling CustomDump StoreKit.swift
[89/96] Compiling CustomDump Swift.swift
[90/96] Compiling CustomDump SwiftUI.swift
[91/96] Compiling CustomDump CustomDumpReflectable.swift
[92/96] Compiling CustomDump CustomDumpRepresentable.swift
[93/96] Compiling CustomDump CustomDumpStringConvertible.swift
[94/96] Compiling CustomDump Diff.swift
[95/96] Compiling CustomDump Dump.swift
[96/96] Compiling CustomDump AnyType.swift
[98/99] Compiling AssertSwiftCLI AssertSwiftCLI.swift
[99/99] Emitting module AssertSwiftCLI
Build complete! (17.24s)
Build complete.
{
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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
Done.