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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 SwiftPriorityQueue with Swift 6.0 for iOS using Xcode 16.0.

Build Command

Build command unavailable

Build Log

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RunAll
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Builder version: 4.56.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/davecom/SwiftPriorityQueue.git
Reference: 1.4.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/davecom/SwiftPriorityQueue
 * tag               1.4.0      -> FETCH_HEAD
HEAD is now at 42e8789 Release 1.4.0
Cloned https://github.com/davecom/SwiftPriorityQueue.git
Revision (git rev-parse @):
42e8789c6d2464254c2e0322bd824ec509de678b
SUCCESS checkout https://github.com/davecom/SwiftPriorityQueue.git at 1.4.0
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Build
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Selected platform:         iOS
Swift version:             6.0
Building package at path:  $PWD
https://github.com/davecom/SwiftPriorityQueue.git
Command line invocation:
    /Applications/Xcode-16.1.0.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
resolved source packages:
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SwiftPriorityQueue",
  "name" : "SwiftPriorityQueue",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "SwiftPriorityQueue",
      "targets" : [
        "SwiftPriorityQueue"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftPriorityQueueTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftPriorityQueueTests",
      "path" : "Tests/SwiftPriorityQueueTests",
      "sources" : [
        "SwiftPriorityQueuePerformanceTests.swift",
        "SwiftPriorityQueueTests.swift"
      ],
      "target_dependencies" : [
        "SwiftPriorityQueue"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftPriorityQueue",
      "module_type" : "SwiftTarget",
      "name" : "SwiftPriorityQueue",
      "path" : "Sources/SwiftPriorityQueue",
      "product_memberships" : [
        "SwiftPriorityQueue"
      ],
      "sources" : [
        "SwiftPriorityQueue.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "SwiftPriorityQueue",
    "schemes" : [
      "SwiftPriorityQueue"
    ],
    "targets" : [
      "SwiftPriorityQueue",
      "SwiftPriorityQueueTests"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SwiftPriorityQueue -destination generic/platform=iOS OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete
Command line invocation:
    /Applications/Xcode-16.1.0.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 SwiftPriorityQueue -destination generic/platform=iOS "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
2024-11-02 18:28:02.939 xcodebuild[699:3867] Writing error result bundle to /var/folders/fs/0w3t9t1d28xc3bj0tgb8hcrw0000gn/T/ResultBundle_2024-02-11_18-28-0002.xcresult
xcodebuild: error: Unable to find a destination matching the provided destination specifier:
		{ generic:1, platform:iOS }
	Available destinations for the "SwiftPriorityQueue" scheme:
		{ platform:macOS, arch:arm64, id:0000FE00-8C151E3703BE51BE, name:My Mac }
		{ platform:macOS, arch:x86_64, id:0000FE00-8C151E3703BE51BE, name:My Mac }
		{ platform:macOS, name:Any Mac }
INFRASTRUCTURE ERROR (status: destinationUnavailable