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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 macOS (SPM) on 26 Apr 2025 21:04:24 UTC.

Swift 6 data race errors: 0

Build Command

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

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 /Users/admin/builder/spi-builder-workspace/.git/
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
Fetching https://github.com/pointfreeco/swift-custom-dump from cache
Fetching https://github.com/pointfreeco/xctest-dynamic-overlay from cache
Fetching https://github.com/apple/swift-argument-parser from cache
Fetched https://github.com/pointfreeco/swift-custom-dump from cache (0.67s)
Fetched https://github.com/pointfreeco/xctest-dynamic-overlay from cache (0.68s)
Fetched https://github.com/apple/swift-argument-parser from cache (0.68s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.0.3 (1.33s)
Computing version for https://github.com/pointfreeco/swift-custom-dump
Computed https://github.com/pointfreeco/swift-custom-dump at 0.3.0 (0.60s)
Computing version for https://github.com/pointfreeco/xctest-dynamic-overlay
Computed https://github.com/pointfreeco/xctest-dynamic-overlay at 0.2.1 (0.60s)
Creating working copy for https://github.com/pointfreeco/swift-custom-dump
Working copy of https://github.com/pointfreeco/swift-custom-dump resolved at 0.3.0
Creating working copy for https://github.com/pointfreeco/xctest-dynamic-overlay
Working copy of https://github.com/pointfreeco/xctest-dynamic-overlay resolved at 0.2.1
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.0.3
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
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  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "assertswiftcli",
      "name": "AssertSwiftCLI",
      "url": "https://github.com/KS1019/AssertSwiftCLI.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/AssertSwiftCLI",
      "dependencies": [
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          "dependencies": [
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              "identity": "xctest-dynamic-overlay",
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              "url": "https://github.com/pointfreeco/xctest-dynamic-overlay",
              "version": "0.9.0",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/xctest-dynamic-overlay",
              "dependencies": [
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        },
        {
          "identity": "swift-argument-parser",
          "name": "swift-argument-parser",
          "url": "https://github.com/apple/swift-argument-parser",
          "version": "1.5.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-argument-parser",
          "dependencies": [
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Fetching https://github.com/KS1019/AssertSwiftCLI.git
[1/61] Fetching assertswiftcli
Fetched https://github.com/KS1019/AssertSwiftCLI.git from cache (0.59s)
Fetching https://github.com/pointfreeco/swift-custom-dump from cache
Fetching https://github.com/apple/swift-argument-parser from cache
Fetched https://github.com/pointfreeco/swift-custom-dump from cache (0.43s)
Fetched https://github.com/apple/swift-argument-parser from cache (0.52s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.5.0 (1.06s)
Computing version for https://github.com/pointfreeco/swift-custom-dump
Computed https://github.com/pointfreeco/swift-custom-dump at 0.11.2 (0.03s)
Fetching https://github.com/pointfreeco/xctest-dynamic-overlay from cache
Fetched https://github.com/pointfreeco/xctest-dynamic-overlay from cache (0.45s)
Computing version for https://github.com/pointfreeco/xctest-dynamic-overlay
Computed https://github.com/pointfreeco/xctest-dynamic-overlay at 0.9.0 (1.05s)
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
Creating working copy for https://github.com/KS1019/AssertSwiftCLI.git
Working copy of https://github.com/KS1019/AssertSwiftCLI.git resolved at main (596665a)
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
warning: '.resolve-product-dependencies': dependency 'assertswiftcli' is not used by any target
Found 2 product dependencies
  - swift-custom-dump
  - swift-argument-parser
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/KS1019/AssertSwiftCLI.git
https://github.com/KS1019/AssertSwiftCLI.git
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  "targets" : [
    {
      "c99name" : "AssertSwiftCLITests",
      "module_type" : "SwiftTarget",
      "name" : "AssertSwiftCLITests",
      "path" : "Tests/AssertSwiftCLITests",
      "sources" : [
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      "target_dependencies" : [
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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...
[0/7] Write sources
[6/7] Write swift-version-2F0A5646E1D333AE.txt
[8/11] Compiling ArgumentParserToolInfo ToolInfo.swift
[9/11] Emitting module ArgumentParserToolInfo
[10/46] Compiling ArgumentParser ArgumentSet.swift
[11/46] Compiling ArgumentParser CommandParser.swift
[12/46] Compiling ArgumentParser InputOrigin.swift
[13/46] Compiling ArgumentParser Name.swift
[14/49] Compiling ArgumentParser ParsableArgumentsValidation.swift
[15/49] Compiling ArgumentParser ParsableCommand.swift
[16/49] Compiling ArgumentParser ArgumentDecoder.swift
[17/49] Compiling ArgumentParser ArgumentDefinition.swift
[18/49] Compiling ArgumentParser Argument.swift
[19/49] Compiling ArgumentParser ArgumentHelp.swift
[20/49] Compiling ArgumentParser CompletionKind.swift
[21/49] Compiling ArgumentParser Errors.swift
[22/49] Emitting module ArgumentParser
[23/49] Compiling ArgumentParser CommandConfiguration.swift
[24/49] Compiling ArgumentParser EnumerableFlag.swift
[25/49] Compiling ArgumentParser ExpressibleByArgument.swift
[26/49] Compiling ArgumentParser ParsableArguments.swift
[27/49] Compiling ArgumentParser Parsed.swift
[28/49] Compiling ArgumentParser ParsedValues.swift
[29/49] Compiling ArgumentParser ParserError.swift
[30/49] Compiling ArgumentParser SplitArguments.swift
[31/49] Compiling ArgumentParser BashCompletionsGenerator.swift
[32/49] Compiling ArgumentParser CompletionsGenerator.swift
[33/49] Compiling ArgumentParser FishCompletionsGenerator.swift
[34/49] Compiling ArgumentParser ZshCompletionsGenerator.swift
[35/49] Compiling ArgumentParser SequenceExtensions.swift
[36/49] Compiling ArgumentParser StringExtensions.swift
[37/49] Compiling ArgumentParser Tree.swift
[38/49] Compiling XCTestDynamicOverlay XCTFail.swift
[39/49] Emitting module XCTestDynamicOverlay
[40/49] Compiling ArgumentParser DumpHelpGenerator.swift
[41/49] Compiling ArgumentParser HelpCommand.swift
[42/49] Compiling ArgumentParser HelpGenerator.swift
[43/49] Compiling ArgumentParser Flag.swift
[44/49] Compiling ArgumentParser NameSpecification.swift
[45/49] Compiling ArgumentParser Option.swift
[46/49] Compiling ArgumentParser OptionGroup.swift
[47/49] Compiling ArgumentParser MessageInfo.swift
[48/49] Compiling ArgumentParser UsageGenerator.swift
[49/49] Compiling ArgumentParser CollectionExtensions.swift
[50/76] Compiling ArgumentParserTestHelpers TestHelpers.swift
[51/76] Compiling ArgumentParserTestHelpers StringHelpers.swift
[52/76] Emitting module ArgumentParserTestHelpers
[53/76] Compiling CustomDump CustomDumpRepresentable.swift
[54/76] Compiling CustomDump CustomDumpStringConvertible.swift
[55/78] Emitting module CustomDump
[56/78] Compiling CustomDump String.swift
[57/78] Compiling CustomDump XCTAssertNoDifference.swift
[58/78] Compiling CustomDump UserNotifications.swift
[59/78] Compiling CustomDump UserNotificationsUI.swift
[60/78] Compiling CustomDump CustomDumpReflectable.swift
[61/78] Compiling CustomDump CoreImage.swift
[62/78] Compiling CustomDump CoreLocation.swift
[63/78] Compiling CustomDump CoreMotion.swift
[64/78] Compiling CustomDump AnyType.swift
[65/78] Compiling CustomDump Box.swift
[66/78] Compiling CustomDump Diff.swift
[67/78] Compiling CustomDump Dump.swift
[68/78] Compiling CustomDump Photos.swift
[69/78] Compiling CustomDump Speech.swift
[70/78] Compiling CustomDump StoreKit.swift
[71/78] Compiling CustomDump Swift.swift
[72/78] Compiling CustomDump SwiftUI.swift
[73/78] Compiling CustomDump UIKit.swift
[74/78] Compiling CustomDump CollectionDifference.swift
[75/78] Compiling CustomDump Mirror.swift
[76/78] Compiling CustomDump Foundation.swift
[77/78] Compiling CustomDump GameKit.swift
[78/78] Compiling CustomDump KeyPath.swift
[79/80] Emitting module AssertSwiftCLI
[80/80] Compiling AssertSwiftCLI AssertSwiftCLI.swift
Build complete! (14.38s)
Build complete.
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Done.