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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 show, reference 0.0.2 (c4012c), with Swift 6.0 for macOS (Xcode) using Xcode 16.0 on 8 Oct 2024 06:19:56 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.0.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme show -destination platform=macOS,arch=arm64 OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.55.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/erica/show.git
Reference: 0.0.2
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/erica/show
 * tag               0.0.2      -> FETCH_HEAD
HEAD is now at c4012c6 Roll back tools to 5.1
Cloned https://github.com/erica/show.git
Revision (git rev-parse @):
c4012c64fa522b2277e535c114cdb605b6fca228
SUCCESS checkout https://github.com/erica/show.git at 0.0.2
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             6.0
Building package at path:  $PWD
https://github.com/erica/show.git
Command line invocation:
    /Applications/Xcode-16.0.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
Fetching from https://github.com/apple/swift-argument-parser
Creating working copy of package ‘swift-argument-parser’
Checking out 0.5.0 of package ‘swift-argument-parser’
Resolved source packages:
  swift-argument-parser: https://github.com/apple/swift-argument-parser @ 0.5.0
resolved source packages: swift-argument-parser
{
  "dependencies" : [
    {
      "identity" : "swift-argument-parser",
      "requirement" : {
        "exact" : [
          "0.0.6"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-argument-parser"
    }
  ],
  "manifest_display_name" : "show",
  "name" : "show",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.12"
    }
  ],
  "products" : [
    {
      "name" : "show",
      "targets" : [
        "show"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "show",
      "module_type" : "SwiftTarget",
      "name" : "show",
      "path" : "show",
      "product_dependencies" : [
        "ArgumentParser"
      ],
      "product_memberships" : [
        "show"
      ],
      "sources" : [
        "Execute.swift",
        "RuntimeError.swift",
        "StringUtility.swift",
        "Utility.swift",
        "main.swift"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "5.1"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "show",
    "schemes" : [
      "show"
    ],
    "targets" : [
      "show"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.0.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme show -destination platform=macOS,arch=arm64 OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete
Command line invocation:
    /Applications/Xcode-16.0.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme show -destination platform=macOS,arch=arm64 "OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete"
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
    IDEDerivedDataPathOverride = /Users/admin/builder/spi-builder-workspace/.derivedData
    IDEPackageSupportUseBuiltinSCM = YES
Build settings from command line:
    OTHER_SWIFT_FLAGS = -stats-output-dir .stats -strict-concurrency=complete
Resolve Package Graph
Resolved source packages:
  swift-argument-parser: https://github.com/apple/swift-argument-parser @ 0.5.0
Prepare packages
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (4 targets)
    Target 'show' in project 'show'
        ➜ Explicit dependency on target 'ArgumentParser' in project 'swift-argument-parser'
    Target 'ArgumentParser' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'ArgumentParser' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'ArgumentParserToolInfo' in project 'swift-argument-parser'
    Target 'ArgumentParser' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'ArgumentParserToolInfo' in project 'swift-argument-parser'
    Target 'ArgumentParserToolInfo' in project 'swift-argument-parser' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.0.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 688e1317eac8c9111c3ec836b758d864
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/688e1317eac8c9111c3ec836b758d864.xcbuilddata
/Users/admin/builder/spi-builder-workspace/show.xcodeproj: error: No signing certificate "Mac Development" found: No "Mac Development" signing certificate matching team ID "2W4DVPEQ39" with a private key was found. (in target 'show' from project 'show')
** BUILD FAILED **
The following build commands failed:
	Building project show with scheme show
(1 failure)
Command line invocation:
    /Applications/Xcode-16.0.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme show -destination platform=macOS,arch=arm64 "OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete"
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
    IDEDerivedDataPathOverride = /Users/admin/builder/spi-builder-workspace/.derivedData
    IDEPackageSupportUseBuiltinSCM = YES
Build settings from command line:
    OTHER_SWIFT_FLAGS = -stats-output-dir .stats -strict-concurrency=complete
Resolve Package Graph
Resolved source packages:
  swift-argument-parser: https://github.com/apple/swift-argument-parser @ 0.5.0
Prepare packages
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (4 targets)
    Target 'show' in project 'show'
        ➜ Explicit dependency on target 'ArgumentParser' in project 'swift-argument-parser'
    Target 'ArgumentParser' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'ArgumentParser' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'ArgumentParserToolInfo' in project 'swift-argument-parser'
    Target 'ArgumentParser' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'ArgumentParserToolInfo' in project 'swift-argument-parser'
    Target 'ArgumentParserToolInfo' in project 'swift-argument-parser' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
/Users/admin/builder/spi-builder-workspace/show.xcodeproj: error: No signing certificate "Mac Development" found: No "Mac Development" signing certificate matching team ID "2W4DVPEQ39" with a private key was found. (in target 'show' from project 'show')
** BUILD FAILED **
The following build commands failed:
	Building project show with scheme show
(1 failure)
BUILD FAILURE 6.0 macosXcodebuild