The Swift Package Index logo.Swift Package Index

Has it really been five years since Swift Package Index launched? Read our anniversary blog post!

Build Information

Failed to build Slab, reference develop (cddcfa), with Swift 6.2 (beta) for iOS using Xcode 26.0 on 19 Jun 2025 04:54:44 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Slab -destination generic/platform=iOS

Build Log

========================================
RunAll
========================================
Builder version: 4.64.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ptrkstr/Slab.git
Reference: develop
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ptrkstr/Slab
 * branch            develop    -> FETCH_HEAD
 * [new branch]      develop    -> origin/develop
HEAD is now at cddcfa9 Update readme
Cloned https://github.com/ptrkstr/Slab.git
Revision (git rev-parse @):
cddcfa99626ec372f31f935b85103aaf8769f4ca
SUCCESS checkout https://github.com/ptrkstr/Slab.git at develop
========================================
Build
========================================
Selected platform:         iOS
Swift version:             6.2
Building package at path:  $PWD
https://github.com/ptrkstr/Slab.git
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/scinfu/SwiftSoup
Fetching from https://github.com/apple/swift-collections.git
Creating working copy of package ‘swift-collections’
Checking out 1.2.0 of package ‘swift-collections’
Creating working copy of package ‘SwiftSoup’
Checking out 2.8.8 of package ‘SwiftSoup’
Resolve Package Graph
Resolved source packages:
  SwiftSoup: https://github.com/scinfu/SwiftSoup @ 2.8.8
  Slab: /Users/admin/builder/spi-builder-workspace
  swift-collections: https://github.com/apple/swift-collections.git @ 1.2.0
resolved source packages: SwiftSoup, Slab, swift-collections
{
  "dependencies" : [
    {
      "identity" : "swiftsoup",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/scinfu/SwiftSoup"
    },
    {
      "identity" : "swift-collections",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-collections.git"
    }
  ],
  "manifest_display_name" : "Slab",
  "name" : "Slab",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Slab",
      "targets" : [
        "Slab"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SlabTests",
      "module_type" : "SwiftTarget",
      "name" : "SlabTests",
      "path" : "Tests/SlabTests",
      "sources" : [
        "SlabTests.swift"
      ],
      "target_dependencies" : [
        "Slab"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Slab",
      "module_type" : "SwiftTarget",
      "name" : "Slab",
      "path" : "Sources/Slab",
      "product_dependencies" : [
        "SwiftSoup",
        "Collections"
      ],
      "product_memberships" : [
        "Slab"
      ],
      "sources" : [
        "Configuration.swift",
        "Slab.swift",
        "SlabError.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "Slab"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Slab -destination generic/platform=iOS
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.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 Slab -destination generic/platform=iOS
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  SwiftSoup: https://github.com/scinfu/SwiftSoup @ 2.8.8
  swift-collections: https://github.com/apple/swift-collections.git @ 1.2.0
  Slab: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (14 targets)
    Target 'SlabTests' in project 'Slab'
        ➜ Explicit dependency on target 'Slab' in project 'Slab'
        ➜ Explicit dependency on target 'SwiftSoup' in project 'SwiftSoup'
        ➜ Explicit dependency on target 'Collections' in project 'swift-collections'
    Target 'Slab' in project 'Slab'
        ➜ Explicit dependency on target 'Slab' in project 'Slab'
        ➜ Explicit dependency on target 'SwiftSoup' in project 'SwiftSoup'
        ➜ Explicit dependency on target 'Collections' in project 'swift-collections'
    Target 'Slab' in project 'Slab'
        ➜ Explicit dependency on target 'SwiftSoup' in project 'SwiftSoup'
        ➜ Explicit dependency on target 'Collections' in project 'swift-collections'
    Target 'Collections' in project 'swift-collections'
        ➜ Explicit dependency on target 'Collections' in project 'swift-collections'
        ➜ Explicit dependency on target 'InternalCollectionsUtilities' in project 'swift-collections'
        ➜ Explicit dependency on target 'BitCollections' in project 'swift-collections'
        ➜ Explicit dependency on target 'DequeModule' in project 'swift-collections'
        ➜ Explicit dependency on target 'HashTreeCollections' in project 'swift-collections'
        ➜ Explicit dependency on target 'HeapModule' in project 'swift-collections'
        ➜ Explicit dependency on target 'OrderedCollections' in project 'swift-collections'
        ➜ Explicit dependency on target '_RopeModule' in project 'swift-collections'
    Target 'Collections' in project 'swift-collections'
        ➜ Explicit dependency on target 'InternalCollectionsUtilities' in project 'swift-collections'
        ➜ Explicit dependency on target 'BitCollections' in project 'swift-collections'
        ➜ Explicit dependency on target 'DequeModule' in project 'swift-collections'
        ➜ Explicit dependency on target 'HashTreeCollections' in project 'swift-collections'
        ➜ Explicit dependency on target 'HeapModule' in project 'swift-collections'
        ➜ Explicit dependency on target 'OrderedCollections' in project 'swift-collections'
        ➜ Explicit dependency on target '_RopeModule' in project 'swift-collections'
    Target '_RopeModule' in project 'swift-collections'
        ➜ Explicit dependency on target 'InternalCollectionsUtilities' in project 'swift-collections'
    Target 'OrderedCollections' in project 'swift-collections'
        ➜ Explicit dependency on target 'InternalCollectionsUtilities' in project 'swift-collections'
    Target 'HeapModule' in project 'swift-collections'
        ➜ Explicit dependency on target 'InternalCollectionsUtilities' in project 'swift-collections'
    Target 'HashTreeCollections' in project 'swift-collections'
        ➜ Explicit dependency on target 'InternalCollectionsUtilities' in project 'swift-collections'
    Target 'DequeModule' in project 'swift-collections'
        ➜ Explicit dependency on target 'InternalCollectionsUtilities' in project 'swift-collections'
    Target 'BitCollections' in project 'swift-collections'
        ➜ Explicit dependency on target 'InternalCollectionsUtilities' in project 'swift-collections'
    Target 'InternalCollectionsUtilities' in project 'swift-collections' (no dependencies)
    Target 'SwiftSoup' in project 'SwiftSoup'
        ➜ Explicit dependency on target 'SwiftSoup' in project 'SwiftSoup'
    Target 'SwiftSoup' in project 'SwiftSoup' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ReadFileContents /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
Build description signature: c437c6231054f866ecda747ba461f4ce
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/c437c6231054f866ecda747ba461f4ce.xcbuilddata
error: The package product 'SwiftSoup' requires minimum platform version 13.0 for the iOS platform, but this target supports 12.0 (in target 'Slab' from project 'Slab')
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme Slab
(1 failure)
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  swift-collections: https://github.com/apple/swift-collections.git @ 1.2.0
  Slab: /Users/admin/builder/spi-builder-workspace
  SwiftSoup: https://github.com/scinfu/SwiftSoup @ 2.8.8
resolved source packages: swift-collections, Slab, SwiftSoup
{
  "dependencies" : [
    {
      "identity" : "swiftsoup",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/scinfu/SwiftSoup"
    },
    {
      "identity" : "swift-collections",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-collections.git"
    }
  ],
  "manifest_display_name" : "Slab",
  "name" : "Slab",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Slab",
      "targets" : [
        "Slab"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SlabTests",
      "module_type" : "SwiftTarget",
      "name" : "SlabTests",
      "path" : "Tests/SlabTests",
      "sources" : [
        "SlabTests.swift"
      ],
      "target_dependencies" : [
        "Slab"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Slab",
      "module_type" : "SwiftTarget",
      "name" : "Slab",
      "path" : "Sources/Slab",
      "product_dependencies" : [
        "SwiftSoup",
        "Collections"
      ],
      "product_memberships" : [
        "Slab"
      ],
      "sources" : [
        "Configuration.swift",
        "Slab.swift",
        "SlabError.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "Slab"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Slab -destination generic/platform=iOS
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.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 Slab -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
  SwiftSoup: https://github.com/scinfu/SwiftSoup @ 2.8.8
  swift-collections: https://github.com/apple/swift-collections.git @ 1.2.0
  Slab: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (14 targets)
    Target 'SlabTests' in project 'Slab'
        ➜ Explicit dependency on target 'Slab' in project 'Slab'
        ➜ Explicit dependency on target 'SwiftSoup' in project 'SwiftSoup'
        ➜ Explicit dependency on target 'Collections' in project 'swift-collections'
    Target 'Slab' in project 'Slab'
        ➜ Explicit dependency on target 'Slab' in project 'Slab'
        ➜ Explicit dependency on target 'SwiftSoup' in project 'SwiftSoup'
        ➜ Explicit dependency on target 'Collections' in project 'swift-collections'
    Target 'Slab' in project 'Slab'
        ➜ Explicit dependency on target 'SwiftSoup' in project 'SwiftSoup'
        ➜ Explicit dependency on target 'Collections' in project 'swift-collections'
    Target 'Collections' in project 'swift-collections'
        ➜ Explicit dependency on target 'Collections' in project 'swift-collections'
        ➜ Explicit dependency on target 'InternalCollectionsUtilities' in project 'swift-collections'
        ➜ Explicit dependency on target 'BitCollections' in project 'swift-collections'
        ➜ Explicit dependency on target 'DequeModule' in project 'swift-collections'
        ➜ Explicit dependency on target 'HashTreeCollections' in project 'swift-collections'
        ➜ Explicit dependency on target 'HeapModule' in project 'swift-collections'
        ➜ Explicit dependency on target 'OrderedCollections' in project 'swift-collections'
        ➜ Explicit dependency on target '_RopeModule' in project 'swift-collections'
    Target 'Collections' in project 'swift-collections'
        ➜ Explicit dependency on target 'InternalCollectionsUtilities' in project 'swift-collections'
        ➜ Explicit dependency on target 'BitCollections' in project 'swift-collections'
        ➜ Explicit dependency on target 'DequeModule' in project 'swift-collections'
        ➜ Explicit dependency on target 'HashTreeCollections' in project 'swift-collections'
        ➜ Explicit dependency on target 'HeapModule' in project 'swift-collections'
        ➜ Explicit dependency on target 'OrderedCollections' in project 'swift-collections'
        ➜ Explicit dependency on target '_RopeModule' in project 'swift-collections'
    Target '_RopeModule' in project 'swift-collections'
        ➜ Explicit dependency on target 'InternalCollectionsUtilities' in project 'swift-collections'
    Target 'OrderedCollections' in project 'swift-collections'
        ➜ Explicit dependency on target 'InternalCollectionsUtilities' in project 'swift-collections'
    Target 'HeapModule' in project 'swift-collections'
        ➜ Explicit dependency on target 'InternalCollectionsUtilities' in project 'swift-collections'
    Target 'HashTreeCollections' in project 'swift-collections'
        ➜ Explicit dependency on target 'InternalCollectionsUtilities' in project 'swift-collections'
    Target 'DequeModule' in project 'swift-collections'
        ➜ Explicit dependency on target 'InternalCollectionsUtilities' in project 'swift-collections'
    Target 'BitCollections' in project 'swift-collections'
        ➜ Explicit dependency on target 'InternalCollectionsUtilities' in project 'swift-collections'
    Target 'InternalCollectionsUtilities' in project 'swift-collections' (no dependencies)
    Target 'SwiftSoup' in project 'SwiftSoup'
        ➜ Explicit dependency on target 'SwiftSoup' in project 'SwiftSoup'
    Target 'SwiftSoup' in project 'SwiftSoup' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ReadFileContents /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
Build description signature: c437c6231054f866ecda747ba461f4ce
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/c437c6231054f866ecda747ba461f4ce.xcbuilddata
error: The package product 'SwiftSoup' requires minimum platform version 13.0 for the iOS platform, but this target supports 12.0 (in target 'Slab' from project 'Slab')
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme Slab
(1 failure)
BUILD FAILURE 6.2 iOS