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Build Information

Failed to build SummarizedCollection, reference main (601224), with Swift 6.3 for iOS using Xcode 26.4 on 14 Apr 2026 18:41:59 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SummarizedCollection-Package -destination generic/platform=iOS

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/jessegrosjean/SummarizedCollection.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/jessegrosjean/SummarizedCollection
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 6012243 Merge pull request #2 from mattmassicotte/feature/ci
Cloned https://github.com/jessegrosjean/SummarizedCollection.git
Revision (git rev-parse @):
60122430de3803e8b00b07ebe5bb53933fb8ef43
SUCCESS checkout https://github.com/jessegrosjean/SummarizedCollection.git at main
========================================
Build
========================================
Selected platform:         iOS
Swift version:             6.3
Building package at path:  $PWD
https://github.com/jessegrosjean/SummarizedCollection.git
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/peripheryapp/periphery
Fetching from https://github.com/apple/swift-collections-benchmark
Fetching from https://github.com/apple/swift-system
Fetching from https://github.com/apple/swift-argument-parser
Fetching from https://github.com/jpsim/Yams
Fetching from https://github.com/kateinoigakukun/swift-indexstore
Fetching from https://github.com/ileitch/swift-filename-matcher
Fetching from https://github.com/tadija/AEXML
Fetching from https://github.com/tuist/xcodeproj
Fetching from https://github.com/apple/swift-syntax
Fetching from https://github.com/kylef/PathKit.git
Fetching from https://github.com/kylef/Spectre.git
Creating working copy of package ‘swift-indexstore’
Checking out 0.5.0 of package ‘swift-indexstore’
Creating working copy of package ‘xcodeproj’
Checking out 8.27.7 of package ‘xcodeproj’
Creating working copy of package ‘AEXML’
Checking out 4.7.0 of package ‘AEXML’
Creating working copy of package ‘Yams’
Checking out 5.4.0 of package ‘Yams’
Creating working copy of package ‘PathKit’
Checking out 1.0.1 of package ‘PathKit’
Creating working copy of package ‘Spectre’
Checking out 0.10.1 of package ‘Spectre’
Creating working copy of package ‘periphery’
Checking out 2.21.2 of package ‘periphery’
Creating working copy of package ‘swift-argument-parser’
Checking out 1.7.1 of package ‘swift-argument-parser’
Creating working copy of package ‘swift-collections-benchmark’
Checking out 0.0.4 of package ‘swift-collections-benchmark’
Creating working copy of package ‘swift-filename-matcher’
Checking out 0.1.2 of package ‘swift-filename-matcher’
Creating working copy of package ‘swift-syntax’
Checking out 600.0.1 of package ‘swift-syntax’
Creating working copy of package ‘swift-system’
Checking out 1.6.4 of package ‘swift-system’
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  AEXML: https://github.com/tadija/AEXML @ 4.7.0
  XcodeProj: https://github.com/tuist/xcodeproj @ 8.27.7
  SummarizedCollection: /Users/admin/builder/spi-builder-workspace
  swift-collections-benchmark: https://github.com/apple/swift-collections-benchmark @ 0.0.4
  SwiftIndexStore: https://github.com/kateinoigakukun/swift-indexstore @ 0.5.0
  Yams: https://github.com/jpsim/Yams @ 5.4.0
  swift-argument-parser: https://github.com/apple/swift-argument-parser @ 1.7.1
  PathKit: https://github.com/kylef/PathKit.git @ 1.0.1
  swift-system: https://github.com/apple/swift-system @ 1.6.4
  swift-filename-matcher: https://github.com/ileitch/swift-filename-matcher @ 0.1.2
  Spectre: https://github.com/kylef/Spectre.git @ 0.10.1
  swift-syntax: https://github.com/apple/swift-syntax @ 600.0.1
  Periphery: https://github.com/peripheryapp/periphery @ 2.21.2
resolved source packages: AEXML, XcodeProj, SummarizedCollection, swift-collections-benchmark, SwiftIndexStore, Yams, swift-argument-parser, PathKit, swift-system, swift-filename-matcher, Spectre, swift-syntax, Periphery
2026-04-14 14:41:31.522 xcodebuild[529:3067] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
    {
      "identity" : "periphery",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/peripheryapp/periphery"
    },
    {
      "identity" : "swift-collections-benchmark",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.0.3",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-collections-benchmark"
    }
  ],
  "manifest_display_name" : "SummarizedCollection",
  "name" : "SummarizedCollection",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "11.0"
    },
    {
      "name" : "ios",
      "version" : "14.0"
    }
  ],
  "products" : [
    {
      "name" : "SummarizedCollection",
      "targets" : [
        "SummarizedCollection"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "SummarizedCollectionBenchmark",
      "targets" : [
        "SummarizedCollectionBenchmark"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "_CollectionsUtilities",
      "module_type" : "SwiftTarget",
      "name" : "_CollectionsUtilities",
      "path" : "Sources/_CollectionsUtilities",
      "product_memberships" : [
        "SummarizedCollection",
        "SummarizedCollectionBenchmark"
      ],
      "sources" : [
        "Compatibility/Array+WithContiguousStorage Compatibility.swift",
        "Compatibility/UnsafeMutableBufferPointer+SE-0370.swift",
        "Compatibility/UnsafeMutablePointer+SE-0370.swift",
        "Compatibility/UnsafeRawPointer extensions.swift",
        "Debugging.swift",
        "Descriptions.swift",
        "IntegerTricks/FixedWidthInteger+roundUpToPowerOfTwo.swift",
        "IntegerTricks/Integer rank.swift",
        "IntegerTricks/UInt+first and last set bit.swift",
        "IntegerTricks/UInt+reversed.swift",
        "OSLog+Extensions.swift",
        "RandomAccessCollection+Offsets.swift",
        "UnsafeBitSet/_UnsafeBitSet+Index.swift",
        "UnsafeBitSet/_UnsafeBitSet+_Word.swift",
        "UnsafeBitSet/_UnsafeBitSet.swift",
        "UnsafeBufferPointer+Extras.swift",
        "UnsafeMutableBufferPointer+Extras.swift",
        "_SortedCollection.swift",
        "_UniqueCollection.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "_CollectionsTestSupport",
      "module_type" : "SwiftTarget",
      "name" : "_CollectionsTestSupport",
      "path" : "Sources/_CollectionsTestSupport",
      "sources" : [
        "AssertionContexts/Assertions.swift",
        "AssertionContexts/CollectionTestCase.swift",
        "AssertionContexts/Combinatorics.swift",
        "AssertionContexts/TestContext.swift",
        "ConformanceCheckers/CheckBidirectionalCollection.swift",
        "ConformanceCheckers/CheckCollection.swift",
        "ConformanceCheckers/CheckComparable.swift",
        "ConformanceCheckers/CheckEquatable.swift",
        "ConformanceCheckers/CheckHashable.swift",
        "ConformanceCheckers/CheckSequence.swift",
        "MinimalTypes/MinimalBidirectionalCollection.swift",
        "MinimalTypes/MinimalCollection.swift",
        "MinimalTypes/MinimalDecoder.swift",
        "MinimalTypes/MinimalEncoder.swift",
        "MinimalTypes/MinimalIndex.swift",
        "MinimalTypes/MinimalIterator.swift",
        "MinimalTypes/MinimalMutableRandomAccessCollection.swift",
        "MinimalTypes/MinimalMutableRangeReplaceableRandomAccessCollection.swift",
        "MinimalTypes/MinimalRandomAccessCollection.swift",
        "MinimalTypes/MinimalRangeReplaceableRandomAccessCollection.swift",
        "MinimalTypes/MinimalSequence.swift",
        "MinimalTypes/ResettableValue.swift",
        "MinimalTypes/_CollectionState.swift",
        "MinimalTypes/_MinimalCollectionCore.swift",
        "Utilities/AllOnesRandomNumberGenerator.swift",
        "Utilities/Box.swift",
        "Utilities/DictionaryAPIChecker.swift",
        "Utilities/HashableBox.swift",
        "Utilities/IndexRangeCollection.swift",
        "Utilities/Integer Square Root.swift",
        "Utilities/LifetimeTracked.swift",
        "Utilities/LifetimeTracker.swift",
        "Utilities/RandomBoolArray.swift",
        "Utilities/RandomStableSample.swift",
        "Utilities/SeedableRandomNumberGenerator.swift",
        "Utilities/SetAPIChecker.swift",
        "Utilities/SortedCollectionAPIChecker.swift",
        "Utilities/StringConvertibleValue.swift"
      ],
      "target_dependencies" : [
        "_CollectionsUtilities"
      ],
      "type" : "library"
    },
    {
      "c99name" : "SummarizedCollectionTests",
      "module_type" : "SwiftTarget",
      "name" : "SummarizedCollectionTests",
      "path" : "Tests/SummarizedCollectionTests",
      "sources" : [
        "CollectionBoundaryTests.swift",
        "IdentifiedListTests.swift",
        "Outline/OutlineArray.swift",
        "Outline/OutlineShared.swift",
        "Outline/OutlineSummarizedTree.swift",
        "PerformanceTests.swift",
        "SummarizedArrayTests.swift",
        "SummarizedTreeTests+Cursor.swift",
        "SummarizedTreeTests.swift"
      ],
      "target_dependencies" : [
        "SummarizedCollection",
        "_CollectionsTestSupport"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SummarizedCollectionBenchmark",
      "module_type" : "SwiftTarget",
      "name" : "SummarizedCollectionBenchmark",
      "path" : "Sources/SummarizedCollectionBenchmark",
      "product_dependencies" : [
        "CollectionsBenchmark"
      ],
      "product_memberships" : [
        "SummarizedCollectionBenchmark"
      ],
      "sources" : [
        "ArrayBenchmarks.swift",
        "SummarizedTreeBenchmarks.swift",
        "SummarizedTreeIdentfiedListBenchmarks.swift",
        "main.swift"
      ],
      "target_dependencies" : [
        "SummarizedCollection",
        "_CollectionsUtilities"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "SummarizedCollection",
      "module_type" : "SwiftTarget",
      "name" : "SummarizedCollection",
      "path" : "Sources/SummarizedCollection",
      "product_memberships" : [
        "SummarizedCollection",
        "SummarizedCollectionBenchmark"
      ],
      "sources" : [
        "IdentifiedList.swift",
        "List.swift",
        "Protocols/CollectionBoundary.swift",
        "Protocols/CollectionIndexDimension.swift",
        "Protocols/IdentifiedCollection.swift",
        "Protocols/SummarizedCollection+Dimension.swift",
        "Protocols/SummarizedCollection+Summary.swift",
        "Protocols/SummarizedCollection.swift",
        "SummarizedTree/Node+Debug.swift",
        "SummarizedTree/Node+Handle.swift",
        "SummarizedTree/Node+InnerStorage.swift",
        "SummarizedTree/Node+LeafStorage.swift",
        "SummarizedTree/Node+Storage+SubSequence.swift",
        "SummarizedTree/Node+Storage.swift",
        "SummarizedTree/Node+UnmanagedNode.swift",
        "SummarizedTree/Node.swift",
        "SummarizedTree/SummarizedTree+Builder.swift",
        "SummarizedTree/SummarizedTree+CoreConcat.swift",
        "SummarizedTree/SummarizedTree+CoreReplace.swift",
        "SummarizedTree/SummarizedTree+CoreSplit.swift",
        "SummarizedTree/SummarizedTree+Cursor.swift",
        "SummarizedTree/SummarizedTree+ElementsBuffer.swift",
        "SummarizedTree/SummarizedTree+ExpressibleByArrayLiteral.swift",
        "SummarizedTree/SummarizedTree+IdentifiedCollection.swift",
        "SummarizedTree/SummarizedTree+Index.swift",
        "SummarizedTree/SummarizedTree+Initializers.swift",
        "SummarizedTree/SummarizedTree+RangeReplaceableCollection.swift",
        "SummarizedTree/SummarizedTree+Sequence.swift",
        "SummarizedTree/SummarizedTree+SubSequence.swift",
        "SummarizedTree/SummarizedTree+SummarizedCollection.swift",
        "SummarizedTree/SummarizedTree+Testing.swift",
        "SummarizedTree/SummarizedTree.swift",
        "SummarizedTree/SummarizedTreeContext+Extension.swift",
        "SummarizedTree/SummarizedTreeContext.swift"
      ],
      "target_dependencies" : [
        "_CollectionsUtilities"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.7"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "SummarizedCollection",
      "SummarizedCollection-Package",
      "SummarizedCollectionBenchmark",
      "swift-collections-benchmark"
    ]
  }
}
2026-04-14 14:41:41.911 xcodebuild[1088:6063] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SummarizedCollection-Package -destination generic/platform=iOS
Command line invocation:
    /Applications/Xcode-26.4.0.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 SummarizedCollection-Package -destination generic/platform=iOS
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  swift-system: https://github.com/apple/swift-system @ 1.6.4
  XcodeProj: https://github.com/tuist/xcodeproj @ 8.27.7
  SwiftIndexStore: https://github.com/kateinoigakukun/swift-indexstore @ 0.5.0
  Spectre: https://github.com/kylef/Spectre.git @ 0.10.1
  swift-argument-parser: https://github.com/apple/swift-argument-parser @ 1.7.1
  swift-filename-matcher: https://github.com/ileitch/swift-filename-matcher @ 0.1.2
  AEXML: https://github.com/tadija/AEXML @ 4.7.0
  PathKit: https://github.com/kylef/PathKit.git @ 1.0.1
  Yams: https://github.com/jpsim/Yams @ 5.4.0
  Periphery: https://github.com/peripheryapp/periphery @ 2.21.2
  swift-collections-benchmark: https://github.com/apple/swift-collections-benchmark @ 0.0.4
  SummarizedCollection: /Users/admin/builder/spi-builder-workspace
  swift-syntax: https://github.com/apple/swift-syntax @ 600.0.1
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (12 targets)
    Target 'SummarizedCollectionBenchmark' in project 'SummarizedCollection'
        ➜ Explicit dependency on target '_CollectionsUtilities' in project 'SummarizedCollection'
        ➜ Explicit dependency on target 'SummarizedCollection' in project 'SummarizedCollection'
        ➜ Explicit dependency on target 'CollectionsBenchmark' in project 'swift-collections-benchmark'
    Target 'CollectionsBenchmark' in project 'swift-collections-benchmark'
        ➜ Explicit dependency on target 'CollectionsBenchmark' in project 'swift-collections-benchmark'
        ➜ Explicit dependency on target 'ArgumentParser' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'SystemPackage' in project 'swift-system'
    Target 'CollectionsBenchmark' in project 'swift-collections-benchmark'
        ➜ Explicit dependency on target 'ArgumentParser' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'SystemPackage' in project 'swift-system'
    Target 'SystemPackage' 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' 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 'SummarizedCollection' in project 'SummarizedCollection'
        ➜ Explicit dependency on target 'SummarizedCollection' in project 'SummarizedCollection'
        ➜ Explicit dependency on target '_CollectionsUtilities' in project 'SummarizedCollection'
    Target 'SummarizedCollection' in project 'SummarizedCollection'
        ➜ Explicit dependency on target '_CollectionsUtilities' in project 'SummarizedCollection'
    Target '_CollectionsUtilities' in project 'SummarizedCollection' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ReadFileContents /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
Build description signature: 667f0877134ec05acc36853899f0107b
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/667f0877134ec05acc36853899f0107b.xcbuilddata
error: The package product 'CollectionsBenchmark' requires minimum platform version 18.0 for the iOS platform, but this target supports 14.0 (in target 'SummarizedCollectionBenchmark' from project 'SummarizedCollection')
2026-04-14 14:41:49.301 xcodebuild[1102:6178] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme SummarizedCollection-Package
(1 failure)
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  swift-filename-matcher: https://github.com/ileitch/swift-filename-matcher @ 0.1.2
  AEXML: https://github.com/tadija/AEXML @ 4.7.0
  Yams: https://github.com/jpsim/Yams @ 5.4.0
  swift-system: https://github.com/apple/swift-system @ 1.6.4
  SummarizedCollection: /Users/admin/builder/spi-builder-workspace
  Spectre: https://github.com/kylef/Spectre.git @ 0.10.1
  swift-argument-parser: https://github.com/apple/swift-argument-parser @ 1.7.1
  PathKit: https://github.com/kylef/PathKit.git @ 1.0.1
  XcodeProj: https://github.com/tuist/xcodeproj @ 8.27.7
  Periphery: https://github.com/peripheryapp/periphery @ 2.21.2
  swift-collections-benchmark: https://github.com/apple/swift-collections-benchmark @ 0.0.4
  swift-syntax: https://github.com/apple/swift-syntax @ 600.0.1
  SwiftIndexStore: https://github.com/kateinoigakukun/swift-indexstore @ 0.5.0
resolved source packages: swift-filename-matcher, AEXML, Yams, swift-system, SummarizedCollection, Spectre, swift-argument-parser, PathKit, XcodeProj, Periphery, swift-collections-benchmark, swift-syntax, SwiftIndexStore
2026-04-14 14:41:53.549 xcodebuild[1229:6880] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
    {
      "identity" : "periphery",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/peripheryapp/periphery"
    },
    {
      "identity" : "swift-collections-benchmark",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.0.3",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-collections-benchmark"
    }
  ],
  "manifest_display_name" : "SummarizedCollection",
  "name" : "SummarizedCollection",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "11.0"
    },
    {
      "name" : "ios",
      "version" : "14.0"
    }
  ],
  "products" : [
    {
      "name" : "SummarizedCollection",
      "targets" : [
        "SummarizedCollection"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "SummarizedCollectionBenchmark",
      "targets" : [
        "SummarizedCollectionBenchmark"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "_CollectionsUtilities",
      "module_type" : "SwiftTarget",
      "name" : "_CollectionsUtilities",
      "path" : "Sources/_CollectionsUtilities",
      "product_memberships" : [
        "SummarizedCollection",
        "SummarizedCollectionBenchmark"
      ],
      "sources" : [
        "Compatibility/Array+WithContiguousStorage Compatibility.swift",
        "Compatibility/UnsafeMutableBufferPointer+SE-0370.swift",
        "Compatibility/UnsafeMutablePointer+SE-0370.swift",
        "Compatibility/UnsafeRawPointer extensions.swift",
        "Debugging.swift",
        "Descriptions.swift",
        "IntegerTricks/FixedWidthInteger+roundUpToPowerOfTwo.swift",
        "IntegerTricks/Integer rank.swift",
        "IntegerTricks/UInt+first and last set bit.swift",
        "IntegerTricks/UInt+reversed.swift",
        "OSLog+Extensions.swift",
        "RandomAccessCollection+Offsets.swift",
        "UnsafeBitSet/_UnsafeBitSet+Index.swift",
        "UnsafeBitSet/_UnsafeBitSet+_Word.swift",
        "UnsafeBitSet/_UnsafeBitSet.swift",
        "UnsafeBufferPointer+Extras.swift",
        "UnsafeMutableBufferPointer+Extras.swift",
        "_SortedCollection.swift",
        "_UniqueCollection.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "_CollectionsTestSupport",
      "module_type" : "SwiftTarget",
      "name" : "_CollectionsTestSupport",
      "path" : "Sources/_CollectionsTestSupport",
      "sources" : [
        "AssertionContexts/Assertions.swift",
        "AssertionContexts/CollectionTestCase.swift",
        "AssertionContexts/Combinatorics.swift",
        "AssertionContexts/TestContext.swift",
        "ConformanceCheckers/CheckBidirectionalCollection.swift",
        "ConformanceCheckers/CheckCollection.swift",
        "ConformanceCheckers/CheckComparable.swift",
        "ConformanceCheckers/CheckEquatable.swift",
        "ConformanceCheckers/CheckHashable.swift",
        "ConformanceCheckers/CheckSequence.swift",
        "MinimalTypes/MinimalBidirectionalCollection.swift",
        "MinimalTypes/MinimalCollection.swift",
        "MinimalTypes/MinimalDecoder.swift",
        "MinimalTypes/MinimalEncoder.swift",
        "MinimalTypes/MinimalIndex.swift",
        "MinimalTypes/MinimalIterator.swift",
        "MinimalTypes/MinimalMutableRandomAccessCollection.swift",
        "MinimalTypes/MinimalMutableRangeReplaceableRandomAccessCollection.swift",
        "MinimalTypes/MinimalRandomAccessCollection.swift",
        "MinimalTypes/MinimalRangeReplaceableRandomAccessCollection.swift",
        "MinimalTypes/MinimalSequence.swift",
        "MinimalTypes/ResettableValue.swift",
        "MinimalTypes/_CollectionState.swift",
        "MinimalTypes/_MinimalCollectionCore.swift",
        "Utilities/AllOnesRandomNumberGenerator.swift",
        "Utilities/Box.swift",
        "Utilities/DictionaryAPIChecker.swift",
        "Utilities/HashableBox.swift",
        "Utilities/IndexRangeCollection.swift",
        "Utilities/Integer Square Root.swift",
        "Utilities/LifetimeTracked.swift",
        "Utilities/LifetimeTracker.swift",
        "Utilities/RandomBoolArray.swift",
        "Utilities/RandomStableSample.swift",
        "Utilities/SeedableRandomNumberGenerator.swift",
        "Utilities/SetAPIChecker.swift",
        "Utilities/SortedCollectionAPIChecker.swift",
        "Utilities/StringConvertibleValue.swift"
      ],
      "target_dependencies" : [
        "_CollectionsUtilities"
      ],
      "type" : "library"
    },
    {
      "c99name" : "SummarizedCollectionTests",
      "module_type" : "SwiftTarget",
      "name" : "SummarizedCollectionTests",
      "path" : "Tests/SummarizedCollectionTests",
      "sources" : [
        "CollectionBoundaryTests.swift",
        "IdentifiedListTests.swift",
        "Outline/OutlineArray.swift",
        "Outline/OutlineShared.swift",
        "Outline/OutlineSummarizedTree.swift",
        "PerformanceTests.swift",
        "SummarizedArrayTests.swift",
        "SummarizedTreeTests+Cursor.swift",
        "SummarizedTreeTests.swift"
      ],
      "target_dependencies" : [
        "SummarizedCollection",
        "_CollectionsTestSupport"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SummarizedCollectionBenchmark",
      "module_type" : "SwiftTarget",
      "name" : "SummarizedCollectionBenchmark",
      "path" : "Sources/SummarizedCollectionBenchmark",
      "product_dependencies" : [
        "CollectionsBenchmark"
      ],
      "product_memberships" : [
        "SummarizedCollectionBenchmark"
      ],
      "sources" : [
        "ArrayBenchmarks.swift",
        "SummarizedTreeBenchmarks.swift",
        "SummarizedTreeIdentfiedListBenchmarks.swift",
        "main.swift"
      ],
      "target_dependencies" : [
        "SummarizedCollection",
        "_CollectionsUtilities"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "SummarizedCollection",
      "module_type" : "SwiftTarget",
      "name" : "SummarizedCollection",
      "path" : "Sources/SummarizedCollection",
      "product_memberships" : [
        "SummarizedCollection",
        "SummarizedCollectionBenchmark"
      ],
      "sources" : [
        "IdentifiedList.swift",
        "List.swift",
        "Protocols/CollectionBoundary.swift",
        "Protocols/CollectionIndexDimension.swift",
        "Protocols/IdentifiedCollection.swift",
        "Protocols/SummarizedCollection+Dimension.swift",
        "Protocols/SummarizedCollection+Summary.swift",
        "Protocols/SummarizedCollection.swift",
        "SummarizedTree/Node+Debug.swift",
        "SummarizedTree/Node+Handle.swift",
        "SummarizedTree/Node+InnerStorage.swift",
        "SummarizedTree/Node+LeafStorage.swift",
        "SummarizedTree/Node+Storage+SubSequence.swift",
        "SummarizedTree/Node+Storage.swift",
        "SummarizedTree/Node+UnmanagedNode.swift",
        "SummarizedTree/Node.swift",
        "SummarizedTree/SummarizedTree+Builder.swift",
        "SummarizedTree/SummarizedTree+CoreConcat.swift",
        "SummarizedTree/SummarizedTree+CoreReplace.swift",
        "SummarizedTree/SummarizedTree+CoreSplit.swift",
        "SummarizedTree/SummarizedTree+Cursor.swift",
        "SummarizedTree/SummarizedTree+ElementsBuffer.swift",
        "SummarizedTree/SummarizedTree+ExpressibleByArrayLiteral.swift",
        "SummarizedTree/SummarizedTree+IdentifiedCollection.swift",
        "SummarizedTree/SummarizedTree+Index.swift",
        "SummarizedTree/SummarizedTree+Initializers.swift",
        "SummarizedTree/SummarizedTree+RangeReplaceableCollection.swift",
        "SummarizedTree/SummarizedTree+Sequence.swift",
        "SummarizedTree/SummarizedTree+SubSequence.swift",
        "SummarizedTree/SummarizedTree+SummarizedCollection.swift",
        "SummarizedTree/SummarizedTree+Testing.swift",
        "SummarizedTree/SummarizedTree.swift",
        "SummarizedTree/SummarizedTreeContext+Extension.swift",
        "SummarizedTree/SummarizedTreeContext.swift"
      ],
      "target_dependencies" : [
        "_CollectionsUtilities"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.7"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "SummarizedCollection",
      "SummarizedCollection-Package",
      "SummarizedCollectionBenchmark",
      "swift-collections-benchmark"
    ]
  }
}
2026-04-14 14:41:55.834 xcodebuild[1246:7000] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme SummarizedCollection-Package -destination generic/platform=iOS
Command line invocation:
    /Applications/Xcode-26.4.0.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 SummarizedCollection-Package -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
  XcodeProj: https://github.com/tuist/xcodeproj @ 8.27.7
  swift-argument-parser: https://github.com/apple/swift-argument-parser @ 1.7.1
  Periphery: https://github.com/peripheryapp/periphery @ 2.21.2
  Spectre: https://github.com/kylef/Spectre.git @ 0.10.1
  SummarizedCollection: /Users/admin/builder/spi-builder-workspace
  SwiftIndexStore: https://github.com/kateinoigakukun/swift-indexstore @ 0.5.0
  Yams: https://github.com/jpsim/Yams @ 5.4.0
  swift-system: https://github.com/apple/swift-system @ 1.6.4
  swift-syntax: https://github.com/apple/swift-syntax @ 600.0.1
  PathKit: https://github.com/kylef/PathKit.git @ 1.0.1
  AEXML: https://github.com/tadija/AEXML @ 4.7.0
  swift-collections-benchmark: https://github.com/apple/swift-collections-benchmark @ 0.0.4
  swift-filename-matcher: https://github.com/ileitch/swift-filename-matcher @ 0.1.2
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (12 targets)
    Target 'SummarizedCollectionBenchmark' in project 'SummarizedCollection'
        ➜ Explicit dependency on target '_CollectionsUtilities' in project 'SummarizedCollection'
        ➜ Explicit dependency on target 'SummarizedCollection' in project 'SummarizedCollection'
        ➜ Explicit dependency on target 'CollectionsBenchmark' in project 'swift-collections-benchmark'
    Target 'CollectionsBenchmark' in project 'swift-collections-benchmark'
        ➜ Explicit dependency on target 'CollectionsBenchmark' in project 'swift-collections-benchmark'
        ➜ Explicit dependency on target 'ArgumentParser' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'SystemPackage' in project 'swift-system'
    Target 'CollectionsBenchmark' in project 'swift-collections-benchmark'
        ➜ Explicit dependency on target 'ArgumentParser' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'SystemPackage' in project 'swift-system'
    Target 'SystemPackage' 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' 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 'SummarizedCollection' in project 'SummarizedCollection'
        ➜ Explicit dependency on target 'SummarizedCollection' in project 'SummarizedCollection'
        ➜ Explicit dependency on target '_CollectionsUtilities' in project 'SummarizedCollection'
    Target 'SummarizedCollection' in project 'SummarizedCollection'
        ➜ Explicit dependency on target '_CollectionsUtilities' in project 'SummarizedCollection'
    Target '_CollectionsUtilities' in project 'SummarizedCollection' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ReadFileContents /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
Build description signature: 667f0877134ec05acc36853899f0107b
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/667f0877134ec05acc36853899f0107b.xcbuilddata
error: The package product 'CollectionsBenchmark' requires minimum platform version 18.0 for the iOS platform, but this target supports 14.0 (in target 'SummarizedCollectionBenchmark' from project 'SummarizedCollection')
2026-04-14 14:41:57.893 xcodebuild[1256:7078] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme SummarizedCollection-Package
(1 failure)
BUILD FAILURE 6.3 iOS