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Build Information

Failed to build DeduplicatedSequenceAsyncStream, reference v1.0.0 (9e5694), with Swift 6.4 for iOS using Xcode 27.0 on 21 Sep 2026 21:49:46 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme DeduplicatedSequenceAsyncStream-Package -destination generic/platform=iOS

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/supersonicbyte/deduplicated-sequence-async-stream.git
Reference: v1.0.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/supersonicbyte/deduplicated-sequence-async-stream
 * tag               v1.0.0     -> FETCH_HEAD
HEAD is now at 9e56947 Add SPI manifest
Cloned https://github.com/supersonicbyte/deduplicated-sequence-async-stream.git
Revision (git rev-parse @):
9e5694732d1a619cdae6f71f51dce754655ea357
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/supersonicbyte/deduplicated-sequence-async-stream.git at v1.0.0
========================================
Build
========================================
Selected platform:         iOS
Swift version:             6.4
Building package at path:  $PWD
https://github.com/supersonicbyte/deduplicated-sequence-async-stream.git
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/ordo-one/package-benchmark
Fetching from https://github.com/apple/swift-docc-plugin
Fetching from https://github.com/swiftlang/swift-docc-symbolkit
Fetching from https://github.com/ordo-one/TextTable.git
Fetching from https://github.com/HdrHistogram/hdrhistogram-swift.git
Fetching from https://github.com/apple/swift-atomics.git
Fetching from https://github.com/apple/swift-argument-parser.git
Fetching from https://github.com/apple/swift-system.git
Fetching from https://github.com/ordo-one/malloc-interposer.git
Fetching from https://github.com/apple/swift-numerics
Creating working copy of package ‘swift-numerics’
Checking out 1.1.1 of package ‘swift-numerics’
Creating working copy of package ‘hdrhistogram-swift’
Checking out 0.2.0 of package ‘hdrhistogram-swift’
Creating working copy of package ‘swift-system’
Checking out 1.8.1 of package ‘swift-system’
Creating working copy of package ‘malloc-interposer’
Checking out 1.4.0 of package ‘malloc-interposer’
Creating working copy of package ‘swift-docc-plugin’
Checking out 1.5.0 of package ‘swift-docc-plugin’
Creating working copy of package ‘swift-atomics’
Checking out 1.3.1 of package ‘swift-atomics’
Creating working copy of package ‘swift-argument-parser’
Checking out 1.8.2 of package ‘swift-argument-parser’
Creating working copy of package ‘swift-docc-symbolkit’
Checking out 1.0.0 of package ‘swift-docc-symbolkit’
Creating working copy of package ‘package-benchmark’
Checking out 1.36.2 of package ‘package-benchmark’
Creating working copy of package ‘TextTable’
Checking out 0.0.2 of package ‘TextTable’
Resolve Package Graph
Resolved source packages:
  SymbolKit: https://github.com/swiftlang/swift-docc-symbolkit @ 1.0.0
  Benchmark: https://github.com/ordo-one/package-benchmark @ 1.36.2
  DeduplicatedSequenceAsyncStream: /Users/admin/builder/spi-builder-workspace
  SwiftDocCPlugin: https://github.com/apple/swift-docc-plugin @ 1.5.0
  malloc-interposer: https://github.com/ordo-one/malloc-interposer.git @ 1.4.0
  swift-argument-parser: https://github.com/apple/swift-argument-parser.git @ 1.8.2
  package-histogram: https://github.com/HdrHistogram/hdrhistogram-swift.git @ 0.2.0
  TextTable: https://github.com/ordo-one/TextTable.git @ 0.0.2
  swift-atomics: https://github.com/apple/swift-atomics.git @ 1.3.1
  swift-numerics: https://github.com/apple/swift-numerics @ 1.1.1
  swift-system: https://github.com/apple/swift-system.git @ 1.8.1
resolved source packages: SymbolKit, Benchmark, DeduplicatedSequenceAsyncStream, SwiftDocCPlugin, malloc-interposer, swift-argument-parser, package-histogram, TextTable, swift-atomics, swift-numerics, swift-system
2026-09-21 17:48:04.810 xcodebuild[529:3029] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
    {
      "identity" : "swift-docc-plugin",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-docc-plugin"
    },
    {
      "identity" : "package-benchmark",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.4.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/ordo-one/package-benchmark"
    }
  ],
  "manifest_display_name" : "DeduplicatedSequenceAsyncStream",
  "name" : "DeduplicatedSequenceAsyncStream",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "15.0"
    },
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    }
  ],
  "products" : [
    {
      "name" : "DeduplicatedSequenceAsyncStream",
      "targets" : [
        "DeduplicatedSequenceAsyncStream"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "DeduplicatedSequenceAsyncStreamBenchmark",
      "targets" : [
        "DeduplicatedSequenceAsyncStreamBenchmark"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "DeduplicatedSequenceAsyncStreamTests",
      "module_type" : "SwiftTarget",
      "name" : "DeduplicatedSequenceAsyncStreamTests",
      "path" : "Tests/DeduplicatedSequenceAsyncStreamTests",
      "sources" : [
        "DeduplicatedSequenceAsyncStreamTests.swift",
        "Support/StockPrice.swift"
      ],
      "target_dependencies" : [
        "DeduplicatedSequenceAsyncStream"
      ],
      "type" : "test"
    },
    {
      "c99name" : "DeduplicatedSequenceAsyncStreamBenchmark",
      "module_type" : "SwiftTarget",
      "name" : "DeduplicatedSequenceAsyncStreamBenchmark",
      "path" : "Benchmarks/DeduplicatedSequenceAsyncStreamBenchmark",
      "product_dependencies" : [
        "Benchmark",
        "BenchmarkPlugin"
      ],
      "product_memberships" : [
        "DeduplicatedSequenceAsyncStreamBenchmark"
      ],
      "sources" : [
        "DeduplicatedSequenceAsyncStreamBenchmark.swift"
      ],
      "target_dependencies" : [
        "DeduplicatedSequenceAsyncStream"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "DeduplicatedSequenceAsyncStream",
      "module_type" : "SwiftTarget",
      "name" : "DeduplicatedSequenceAsyncStream",
      "path" : "Sources/DeduplicatedSequenceAsyncStream",
      "product_memberships" : [
        "DeduplicatedSequenceAsyncStream",
        "DeduplicatedSequenceAsyncStreamBenchmark"
      ],
      "sources" : [
        "DeduplicatedSequenceAsyncStream.swift",
        "Internal/Storage.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
{
  "workspace" : {
    "name" : "DeduplicatedSequenceAsyncStream",
    "schemes" : [
      "DeduplicatedSequenceAsyncStream",
      "DeduplicatedSequenceAsyncStream-Package",
      "DeduplicatedSequenceAsyncStreamBenchmark"
    ]
  }
}
2026-09-21 17:48:52.082 xcodebuild[1145:6412] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme DeduplicatedSequenceAsyncStream-Package -destination generic/platform=iOS
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.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 DeduplicatedSequenceAsyncStream-Package -destination generic/platform=iOS
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  swift-numerics: https://github.com/apple/swift-numerics @ 1.1.1
  malloc-interposer: https://github.com/ordo-one/malloc-interposer.git @ 1.4.0
  SwiftDocCPlugin: https://github.com/apple/swift-docc-plugin @ 1.5.0
  swift-system: https://github.com/apple/swift-system.git @ 1.8.1
  TextTable: https://github.com/ordo-one/TextTable.git @ 0.0.2
  DeduplicatedSequenceAsyncStream: /Users/admin/builder/spi-builder-workspace
  Benchmark: https://github.com/ordo-one/package-benchmark @ 1.36.2
  swift-atomics: https://github.com/apple/swift-atomics.git @ 1.3.1
  swift-argument-parser: https://github.com/apple/swift-argument-parser.git @ 1.8.2
  package-histogram: https://github.com/HdrHistogram/hdrhistogram-swift.git @ 0.2.0
  SymbolKit: https://github.com/swiftlang/swift-docc-symbolkit @ 1.0.0
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
Compile plug-in “BenchmarkPlugin” in package “package-benchmark”
[debug]: Compiling plugin to executable at /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/PluginExecutables/BenchmarkPlugin
[debug]: Using compiler /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc
[debug]: Plugin compilation output directory '/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/PluginExecutables'
[debug]: Computed hash of plugin compilation inputs: 672655e1b0024bb9cff785678395aba0e99e4e4b798ba6df48e8e34f0739b4d5
Apply build tool plug-in “BenchmarkPlugin” to target “DeduplicatedSequenceAsyncStreamBenchmark” in package “spi-builder-workspace”
Process build tool plug-in results
package: <IDESwiftPackageCore.IDESwiftPackage:0xbdfc65e00 path:'/Users/admin/builder/spi-builder-workspace'>
    target: DeduplicatedSequenceAsyncStreamBenchmark
        prebuildCommandOutputPaths: []
        buildCommands: [SwiftPM.SPMCustomBuildCommand(displayName: Optional("Generating plugin support files"), executable: "/${BUILD_DIR}/${CONFIGURATION}/BenchmarkBoilerplateGenerator", arguments: ["--target", "DeduplicatedSequenceAsyncStreamBenchmark", "--output", "/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BuildToolPluginIntermediates/spi-builder-workspace.output/DeduplicatedSequenceAsyncStreamBenchmark/BenchmarkPlugin/__BenchmarkBoilerplate.swift"], environment: [:], workingDir: nil, inputPaths: [SwiftPM.SPMAbsolutePath(absolutePath: <AbsolutePath:"/Users/admin/builder/spi-builder-workspace/Benchmarks/DeduplicatedSequenceAsyncStreamBenchmark/DeduplicatedSequenceAsyncStreamBenchmark.swift">)], outputPaths: ["/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BuildToolPluginIntermediates/spi-builder-workspace.output/DeduplicatedSequenceAsyncStreamBenchmark/BenchmarkPlugin/__BenchmarkBoilerplate.swift"], pluginOutputDir: SwiftPM.SPMAbsolutePath(absolutePath: <AbsolutePath:"/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BuildToolPluginIntermediates/spi-builder-workspace.output/DeduplicatedSequenceAsyncStreamBenchmark/BenchmarkPlugin">), sandboxProfile: Optional(SwiftPM.SPMSandboxProfile(strictness: Basics.Sandbox.Strictness.writableTemporaryDirectory, writableDirectories: [<AbsolutePath:"/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BuildToolPluginIntermediates/spi-builder-workspace.output/DeduplicatedSequenceAsyncStreamBenchmark/BenchmarkPlugin">], readOnlyDirectories: [<AbsolutePath:"/Users/admin/builder/spi-builder-workspace">])))]
        allDerivedOutputPaths: [SwiftPM.SPMAbsolutePath(absolutePath: <AbsolutePath:"/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BuildToolPluginIntermediates/spi-builder-workspace.output/DeduplicatedSequenceAsyncStreamBenchmark/BenchmarkPlugin/__BenchmarkBoilerplate.swift">)]
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (36 targets)
    Target 'DeduplicatedSequenceAsyncStreamBenchmark-product' in project 'DeduplicatedSequenceAsyncStream'
        ➜ Explicit dependency on target 'DeduplicatedSequenceAsyncStream' in project 'DeduplicatedSequenceAsyncStream'
        ➜ Explicit dependency on target 'BenchmarkPlugin-product' in project 'Benchmark'
        ➜ Explicit dependency on target 'Benchmark-product' in project 'Benchmark'
    Target 'Benchmark-product' in project 'Benchmark'
        ➜ Explicit dependency on target 'Benchmark' in project 'Benchmark'
        ➜ Explicit dependency on target 'CDarwinOperatingSystemStats' in project 'Benchmark'
        ➜ Explicit dependency on target 'SwiftRuntimeHooks' in project 'Benchmark'
        ➜ Explicit dependency on target 'BenchmarkShared' in project 'Benchmark'
        ➜ Explicit dependency on target 'MallocInterposerSwift-product' in project 'malloc-interposer'
        ➜ Explicit dependency on target 'Histogram-product' in project 'package-histogram'
        ➜ Explicit dependency on target 'ArgumentParser-product' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'SystemPackage-product' in project 'swift-system'
        ➜ Explicit dependency on target 'Atomics-product' in project 'swift-atomics'
    Target 'Benchmark' in project 'Benchmark'
        ➜ Explicit dependency on target 'CDarwinOperatingSystemStats' in project 'Benchmark'
        ➜ Explicit dependency on target 'SwiftRuntimeHooks' in project 'Benchmark'
        ➜ Explicit dependency on target 'BenchmarkShared' in project 'Benchmark'
        ➜ Explicit dependency on target 'MallocInterposerSwift-product' in project 'malloc-interposer'
        ➜ Explicit dependency on target 'Histogram-product' in project 'package-histogram'
        ➜ Explicit dependency on target 'ArgumentParser-product' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'SystemPackage-product' in project 'swift-system'
        ➜ Explicit dependency on target 'Atomics-product' in project 'swift-atomics'
    Target 'Atomics-product' in project 'swift-atomics'
        ➜ Explicit dependency on target 'Atomics' in project 'swift-atomics'
        ➜ Explicit dependency on target '_AtomicsShims' in project 'swift-atomics'
    Target 'Atomics' in project 'swift-atomics'
        ➜ Explicit dependency on target '_AtomicsShims' in project 'swift-atomics'
    Target '_AtomicsShims' in project 'swift-atomics' (no dependencies)
    Target 'SystemPackage-product' in project 'swift-system'
        ➜ Explicit dependency on target 'SystemPackage' in project 'swift-system'
        ➜ Explicit dependency on target 'CSystem' in project 'swift-system'
    Target 'SystemPackage' in project 'swift-system'
        ➜ Explicit dependency on target 'CSystem' in project 'swift-system'
    Target 'CSystem' in project 'swift-system' (no dependencies)
    Target 'ArgumentParser-product' 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)
    Target 'Histogram-product' in project 'package-histogram'
        ➜ Explicit dependency on target 'Histogram' in project 'package-histogram'
        ➜ Explicit dependency on target 'Numerics-product' in project 'swift-numerics'
    Target 'Histogram' in project 'package-histogram'
        ➜ Explicit dependency on target 'Numerics-product' in project 'swift-numerics'
    Target 'Numerics-product' in project 'swift-numerics'
        ➜ Explicit dependency on target 'Numerics' in project 'swift-numerics'
        ➜ Explicit dependency on target '_NumericsShims' in project 'swift-numerics'
        ➜ Explicit dependency on target 'RealModule' in project 'swift-numerics'
        ➜ Explicit dependency on target 'ComplexModule' in project 'swift-numerics'
    Target 'Numerics' in project 'swift-numerics'
        ➜ Explicit dependency on target '_NumericsShims' in project 'swift-numerics'
        ➜ Explicit dependency on target 'RealModule' in project 'swift-numerics'
        ➜ Explicit dependency on target 'ComplexModule' in project 'swift-numerics'
    Target 'ComplexModule' in project 'swift-numerics'
        ➜ Explicit dependency on target '_NumericsShims' in project 'swift-numerics'
        ➜ Explicit dependency on target 'RealModule' in project 'swift-numerics'
    Target 'RealModule' in project 'swift-numerics'
        ➜ Explicit dependency on target '_NumericsShims' in project 'swift-numerics'
    Target '_NumericsShims' in project 'swift-numerics' (no dependencies)
    Target 'MallocInterposerSwift-product' in project 'malloc-interposer'
        ➜ Explicit dependency on target 'MallocInterposerSwift' in project 'malloc-interposer'
        ➜ Explicit dependency on target 'MallocInterposerC' in project 'malloc-interposer'
    Target 'MallocInterposerSwift' in project 'malloc-interposer'
        ➜ Explicit dependency on target 'MallocInterposerC' in project 'malloc-interposer'
    Target 'MallocInterposerC' in project 'malloc-interposer' (no dependencies)
    Target 'BenchmarkShared' in project 'Benchmark' (no dependencies)
    Target 'SwiftRuntimeHooks' in project 'Benchmark' (no dependencies)
    Target 'CDarwinOperatingSystemStats' in project 'Benchmark' (no dependencies)
    Target 'BenchmarkPlugin-product' in project 'Benchmark'
        ➜ Explicit dependency on target 'BenchmarkPlugin' in project 'Benchmark'
    Target 'BenchmarkPlugin' in project 'Benchmark'
        ➜ Explicit dependency on target 'BenchmarkBoilerplateGenerator-product' in project 'Benchmark'
        ➜ Explicit dependency on target 'ArgumentParser-product' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'SystemPackage-product' in project 'swift-system'
    Target 'BenchmarkBoilerplateGenerator-product' in project 'Benchmark'
        ➜ Explicit dependency on target 'ArgumentParser-product' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'SystemPackage-product' in project 'swift-system'
    Target 'SystemPackage-product' in project 'swift-system'
        ➜ Explicit dependency on target 'SystemPackage' in project 'swift-system'
        ➜ Explicit dependency on target 'CSystem' in project 'swift-system'
    Target 'SystemPackage' in project 'swift-system'
        ➜ Explicit dependency on target 'CSystem' in project 'swift-system'
    Target 'CSystem' in project 'swift-system' (no dependencies)
    Target 'ArgumentParser-product' 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)
    Target 'DeduplicatedSequenceAsyncStream-product' in project 'DeduplicatedSequenceAsyncStream'
        ➜ Explicit dependency on target 'DeduplicatedSequenceAsyncStream' in project 'DeduplicatedSequenceAsyncStream'
    Target 'DeduplicatedSequenceAsyncStream' in project 'DeduplicatedSequenceAsyncStream' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch x86_64 -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -x c -c /dev/null
ReadFileContents /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
Build description signature: 96549368dc898c10488945231780a8d5
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/96549368dc898c10488945231780a8d5.xcbuilddata
error: The package product 'BenchmarkPlugin-product' requires minimum platform version 16.0 for the iOS platform, but this target supports 15.0 (in target 'DeduplicatedSequenceAsyncStreamBenchmark-product' from project 'DeduplicatedSequenceAsyncStream')
error: The package product 'Benchmark-product' requires minimum platform version 16.0 for the iOS platform, but this target supports 15.0 (in target 'DeduplicatedSequenceAsyncStreamBenchmark-product' from project 'DeduplicatedSequenceAsyncStream')
2026-09-21 17:49:05.600 xcodebuild[1209:6848] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	Building workspace DeduplicatedSequenceAsyncStream with scheme DeduplicatedSequenceAsyncStream-Package
(1 failure)
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  malloc-interposer: https://github.com/ordo-one/malloc-interposer.git @ 1.4.0
  swift-numerics: https://github.com/apple/swift-numerics @ 1.1.1
  SymbolKit: https://github.com/swiftlang/swift-docc-symbolkit @ 1.0.0
  SwiftDocCPlugin: https://github.com/apple/swift-docc-plugin @ 1.5.0
  TextTable: https://github.com/ordo-one/TextTable.git @ 0.0.2
  DeduplicatedSequenceAsyncStream: /Users/admin/builder/spi-builder-workspace
  package-histogram: https://github.com/HdrHistogram/hdrhistogram-swift.git @ 0.2.0
  swift-atomics: https://github.com/apple/swift-atomics.git @ 1.3.1
  swift-system: https://github.com/apple/swift-system.git @ 1.8.1
  swift-argument-parser: https://github.com/apple/swift-argument-parser.git @ 1.8.2
  Benchmark: https://github.com/ordo-one/package-benchmark @ 1.36.2
resolved source packages: malloc-interposer, swift-numerics, SymbolKit, SwiftDocCPlugin, TextTable, DeduplicatedSequenceAsyncStream, package-histogram, swift-atomics, swift-system, swift-argument-parser, Benchmark
2026-09-21 17:49:26.602 xcodebuild[1444:8284] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
    {
      "identity" : "swift-docc-plugin",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-docc-plugin"
    },
    {
      "identity" : "package-benchmark",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.4.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/ordo-one/package-benchmark"
    }
  ],
  "manifest_display_name" : "DeduplicatedSequenceAsyncStream",
  "name" : "DeduplicatedSequenceAsyncStream",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "15.0"
    },
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    }
  ],
  "products" : [
    {
      "name" : "DeduplicatedSequenceAsyncStream",
      "targets" : [
        "DeduplicatedSequenceAsyncStream"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "DeduplicatedSequenceAsyncStreamBenchmark",
      "targets" : [
        "DeduplicatedSequenceAsyncStreamBenchmark"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "DeduplicatedSequenceAsyncStreamTests",
      "module_type" : "SwiftTarget",
      "name" : "DeduplicatedSequenceAsyncStreamTests",
      "path" : "Tests/DeduplicatedSequenceAsyncStreamTests",
      "sources" : [
        "DeduplicatedSequenceAsyncStreamTests.swift",
        "Support/StockPrice.swift"
      ],
      "target_dependencies" : [
        "DeduplicatedSequenceAsyncStream"
      ],
      "type" : "test"
    },
    {
      "c99name" : "DeduplicatedSequenceAsyncStreamBenchmark",
      "module_type" : "SwiftTarget",
      "name" : "DeduplicatedSequenceAsyncStreamBenchmark",
      "path" : "Benchmarks/DeduplicatedSequenceAsyncStreamBenchmark",
      "product_dependencies" : [
        "Benchmark",
        "BenchmarkPlugin"
      ],
      "product_memberships" : [
        "DeduplicatedSequenceAsyncStreamBenchmark"
      ],
      "sources" : [
        "DeduplicatedSequenceAsyncStreamBenchmark.swift"
      ],
      "target_dependencies" : [
        "DeduplicatedSequenceAsyncStream"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "DeduplicatedSequenceAsyncStream",
      "module_type" : "SwiftTarget",
      "name" : "DeduplicatedSequenceAsyncStream",
      "path" : "Sources/DeduplicatedSequenceAsyncStream",
      "product_memberships" : [
        "DeduplicatedSequenceAsyncStream",
        "DeduplicatedSequenceAsyncStreamBenchmark"
      ],
      "sources" : [
        "DeduplicatedSequenceAsyncStream.swift",
        "Internal/Storage.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
{
  "workspace" : {
    "name" : "DeduplicatedSequenceAsyncStream",
    "schemes" : [
      "DeduplicatedSequenceAsyncStream",
      "DeduplicatedSequenceAsyncStream-Package",
      "DeduplicatedSequenceAsyncStreamBenchmark"
    ]
  }
}
2026-09-21 17:49:35.852 xcodebuild[1515:8747] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme DeduplicatedSequenceAsyncStream-Package -destination generic/platform=iOS
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.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 DeduplicatedSequenceAsyncStream-Package -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
  swift-atomics: https://github.com/apple/swift-atomics.git @ 1.3.1
  swift-argument-parser: https://github.com/apple/swift-argument-parser.git @ 1.8.2
  SymbolKit: https://github.com/swiftlang/swift-docc-symbolkit @ 1.0.0
  SwiftDocCPlugin: https://github.com/apple/swift-docc-plugin @ 1.5.0
  DeduplicatedSequenceAsyncStream: /Users/admin/builder/spi-builder-workspace
  swift-system: https://github.com/apple/swift-system.git @ 1.8.1
  malloc-interposer: https://github.com/ordo-one/malloc-interposer.git @ 1.4.0
  package-histogram: https://github.com/HdrHistogram/hdrhistogram-swift.git @ 0.2.0
  Benchmark: https://github.com/ordo-one/package-benchmark @ 1.36.2
  swift-numerics: https://github.com/apple/swift-numerics @ 1.1.1
  TextTable: https://github.com/ordo-one/TextTable.git @ 0.0.2
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
Compile plug-in “BenchmarkPlugin” in package “package-benchmark”
[debug]: Compiling plugin to executable at /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/PluginExecutables/BenchmarkPlugin
[debug]: Using compiler /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc
[debug]: Plugin compilation output directory '/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/PluginExecutables'
[debug]: Computed hash of plugin compilation inputs: 672655e1b0024bb9cff785678395aba0e99e4e4b798ba6df48e8e34f0739b4d5
Apply build tool plug-in “BenchmarkPlugin” to target “DeduplicatedSequenceAsyncStreamBenchmark” in package “spi-builder-workspace”
Process build tool plug-in results
package: <IDESwiftPackageCore.IDESwiftPackage:0xb45c2de00 path:'/Users/admin/builder/spi-builder-workspace'>
    target: DeduplicatedSequenceAsyncStreamBenchmark
        prebuildCommandOutputPaths: []
        buildCommands: [SwiftPM.SPMCustomBuildCommand(displayName: Optional("Generating plugin support files"), executable: "/${BUILD_DIR}/${CONFIGURATION}/BenchmarkBoilerplateGenerator", arguments: ["--target", "DeduplicatedSequenceAsyncStreamBenchmark", "--output", "/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BuildToolPluginIntermediates/spi-builder-workspace.output/DeduplicatedSequenceAsyncStreamBenchmark/BenchmarkPlugin/__BenchmarkBoilerplate.swift"], environment: [:], workingDir: nil, inputPaths: [SwiftPM.SPMAbsolutePath(absolutePath: <AbsolutePath:"/Users/admin/builder/spi-builder-workspace/Benchmarks/DeduplicatedSequenceAsyncStreamBenchmark/DeduplicatedSequenceAsyncStreamBenchmark.swift">)], outputPaths: ["/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BuildToolPluginIntermediates/spi-builder-workspace.output/DeduplicatedSequenceAsyncStreamBenchmark/BenchmarkPlugin/__BenchmarkBoilerplate.swift"], pluginOutputDir: SwiftPM.SPMAbsolutePath(absolutePath: <AbsolutePath:"/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BuildToolPluginIntermediates/spi-builder-workspace.output/DeduplicatedSequenceAsyncStreamBenchmark/BenchmarkPlugin">), sandboxProfile: Optional(SwiftPM.SPMSandboxProfile(strictness: Basics.Sandbox.Strictness.writableTemporaryDirectory, writableDirectories: [<AbsolutePath:"/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BuildToolPluginIntermediates/spi-builder-workspace.output/DeduplicatedSequenceAsyncStreamBenchmark/BenchmarkPlugin">], readOnlyDirectories: [<AbsolutePath:"/Users/admin/builder/spi-builder-workspace">])))]
        allDerivedOutputPaths: [SwiftPM.SPMAbsolutePath(absolutePath: <AbsolutePath:"/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BuildToolPluginIntermediates/spi-builder-workspace.output/DeduplicatedSequenceAsyncStreamBenchmark/BenchmarkPlugin/__BenchmarkBoilerplate.swift">)]
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (36 targets)
    Target 'DeduplicatedSequenceAsyncStreamBenchmark-product' in project 'DeduplicatedSequenceAsyncStream'
        ➜ Explicit dependency on target 'DeduplicatedSequenceAsyncStream' in project 'DeduplicatedSequenceAsyncStream'
        ➜ Explicit dependency on target 'BenchmarkPlugin-product' in project 'Benchmark'
        ➜ Explicit dependency on target 'Benchmark-product' in project 'Benchmark'
    Target 'Benchmark-product' in project 'Benchmark'
        ➜ Explicit dependency on target 'Benchmark' in project 'Benchmark'
        ➜ Explicit dependency on target 'CDarwinOperatingSystemStats' in project 'Benchmark'
        ➜ Explicit dependency on target 'SwiftRuntimeHooks' in project 'Benchmark'
        ➜ Explicit dependency on target 'BenchmarkShared' in project 'Benchmark'
        ➜ Explicit dependency on target 'MallocInterposerSwift-product' in project 'malloc-interposer'
        ➜ Explicit dependency on target 'Histogram-product' in project 'package-histogram'
        ➜ Explicit dependency on target 'ArgumentParser-product' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'SystemPackage-product' in project 'swift-system'
        ➜ Explicit dependency on target 'Atomics-product' in project 'swift-atomics'
    Target 'Benchmark' in project 'Benchmark'
        ➜ Explicit dependency on target 'CDarwinOperatingSystemStats' in project 'Benchmark'
        ➜ Explicit dependency on target 'SwiftRuntimeHooks' in project 'Benchmark'
        ➜ Explicit dependency on target 'BenchmarkShared' in project 'Benchmark'
        ➜ Explicit dependency on target 'MallocInterposerSwift-product' in project 'malloc-interposer'
        ➜ Explicit dependency on target 'Histogram-product' in project 'package-histogram'
        ➜ Explicit dependency on target 'ArgumentParser-product' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'SystemPackage-product' in project 'swift-system'
        ➜ Explicit dependency on target 'Atomics-product' in project 'swift-atomics'
    Target 'Atomics-product' in project 'swift-atomics'
        ➜ Explicit dependency on target 'Atomics' in project 'swift-atomics'
        ➜ Explicit dependency on target '_AtomicsShims' in project 'swift-atomics'
    Target 'Atomics' in project 'swift-atomics'
        ➜ Explicit dependency on target '_AtomicsShims' in project 'swift-atomics'
    Target '_AtomicsShims' in project 'swift-atomics' (no dependencies)
    Target 'SystemPackage-product' in project 'swift-system'
        ➜ Explicit dependency on target 'SystemPackage' in project 'swift-system'
        ➜ Explicit dependency on target 'CSystem' in project 'swift-system'
    Target 'SystemPackage' in project 'swift-system'
        ➜ Explicit dependency on target 'CSystem' in project 'swift-system'
    Target 'CSystem' in project 'swift-system' (no dependencies)
    Target 'ArgumentParser-product' 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)
    Target 'Histogram-product' in project 'package-histogram'
        ➜ Explicit dependency on target 'Histogram' in project 'package-histogram'
        ➜ Explicit dependency on target 'Numerics-product' in project 'swift-numerics'
    Target 'Histogram' in project 'package-histogram'
        ➜ Explicit dependency on target 'Numerics-product' in project 'swift-numerics'
    Target 'Numerics-product' in project 'swift-numerics'
        ➜ Explicit dependency on target 'Numerics' in project 'swift-numerics'
        ➜ Explicit dependency on target '_NumericsShims' in project 'swift-numerics'
        ➜ Explicit dependency on target 'RealModule' in project 'swift-numerics'
        ➜ Explicit dependency on target 'ComplexModule' in project 'swift-numerics'
    Target 'Numerics' in project 'swift-numerics'
        ➜ Explicit dependency on target '_NumericsShims' in project 'swift-numerics'
        ➜ Explicit dependency on target 'RealModule' in project 'swift-numerics'
        ➜ Explicit dependency on target 'ComplexModule' in project 'swift-numerics'
    Target 'ComplexModule' in project 'swift-numerics'
        ➜ Explicit dependency on target '_NumericsShims' in project 'swift-numerics'
        ➜ Explicit dependency on target 'RealModule' in project 'swift-numerics'
    Target 'RealModule' in project 'swift-numerics'
        ➜ Explicit dependency on target '_NumericsShims' in project 'swift-numerics'
    Target '_NumericsShims' in project 'swift-numerics' (no dependencies)
    Target 'MallocInterposerSwift-product' in project 'malloc-interposer'
        ➜ Explicit dependency on target 'MallocInterposerSwift' in project 'malloc-interposer'
        ➜ Explicit dependency on target 'MallocInterposerC' in project 'malloc-interposer'
    Target 'MallocInterposerSwift' in project 'malloc-interposer'
        ➜ Explicit dependency on target 'MallocInterposerC' in project 'malloc-interposer'
    Target 'MallocInterposerC' in project 'malloc-interposer' (no dependencies)
    Target 'BenchmarkShared' in project 'Benchmark' (no dependencies)
    Target 'SwiftRuntimeHooks' in project 'Benchmark' (no dependencies)
    Target 'CDarwinOperatingSystemStats' in project 'Benchmark' (no dependencies)
    Target 'BenchmarkPlugin-product' in project 'Benchmark'
        ➜ Explicit dependency on target 'BenchmarkPlugin' in project 'Benchmark'
    Target 'BenchmarkPlugin' in project 'Benchmark'
        ➜ Explicit dependency on target 'BenchmarkBoilerplateGenerator-product' in project 'Benchmark'
        ➜ Explicit dependency on target 'ArgumentParser-product' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'SystemPackage-product' in project 'swift-system'
    Target 'BenchmarkBoilerplateGenerator-product' in project 'Benchmark'
        ➜ Explicit dependency on target 'ArgumentParser-product' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'SystemPackage-product' in project 'swift-system'
    Target 'SystemPackage-product' in project 'swift-system'
        ➜ Explicit dependency on target 'SystemPackage' in project 'swift-system'
        ➜ Explicit dependency on target 'CSystem' in project 'swift-system'
    Target 'SystemPackage' in project 'swift-system'
        ➜ Explicit dependency on target 'CSystem' in project 'swift-system'
    Target 'CSystem' in project 'swift-system' (no dependencies)
    Target 'ArgumentParser-product' 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)
    Target 'DeduplicatedSequenceAsyncStream-product' in project 'DeduplicatedSequenceAsyncStream'
        ➜ Explicit dependency on target 'DeduplicatedSequenceAsyncStream' in project 'DeduplicatedSequenceAsyncStream'
    Target 'DeduplicatedSequenceAsyncStream' in project 'DeduplicatedSequenceAsyncStream' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
error: The package product 'Benchmark-product' requires minimum platform version 16.0 for the iOS platform, but this target supports 15.0 (in target 'DeduplicatedSequenceAsyncStreamBenchmark-product' from project 'DeduplicatedSequenceAsyncStream')
error: The package product 'BenchmarkPlugin-product' requires minimum platform version 16.0 for the iOS platform, but this target supports 15.0 (in target 'DeduplicatedSequenceAsyncStreamBenchmark-product' from project 'DeduplicatedSequenceAsyncStream')
2026-09-21 17:49:44.644 xcodebuild[1579:9181] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	Building workspace DeduplicatedSequenceAsyncStream with scheme DeduplicatedSequenceAsyncStream-Package
(1 failure)
BUILD FAILURE 6.4 iOS