The Swift Package Index logo.Swift Package Index

Build Information

Failed to build SWON, reference main (da41a7), with Swift 6.3 for iOS using Xcode 26.4 on 15 Apr 2026 18:20:06 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/harlanhaskins/SWON.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/harlanhaskins/SWON
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at da41a76 Fix string escaping/unescaping
Cloned https://github.com/harlanhaskins/SWON.git
Revision (git rev-parse @):
da41a769bcae44962c8b0d99813a3c39fb67158e
SUCCESS checkout https://github.com/harlanhaskins/SWON.git at main
========================================
Build
========================================
Selected platform:         iOS
Swift version:             6.3
Building package at path:  $PWD
https://github.com/harlanhaskins/SWON.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/swiftlang/swift-syntax.git
Creating working copy of package ‘swift-syntax’
Checking out 600.0.1 of package ‘swift-syntax’
Resolve Package Graph
Resolved source packages:
  swift-syntax: https://github.com/swiftlang/swift-syntax.git @ 600.0.1
  SWON: /Users/admin/builder/spi-builder-workspace
resolved source packages: swift-syntax, SWON
2026-04-15 14:19:49.094 xcodebuild[529:3060] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
    {
      "identity" : "swift-syntax",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "600.0.1",
            "upper_bound" : "601.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/swiftlang/swift-syntax.git"
    }
  ],
  "manifest_display_name" : "SWON",
  "name" : "SWON",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "SWON",
      "targets" : [
        "SWON"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "SWONTester",
      "targets" : [
        "SWONTester"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SWONTests",
      "module_type" : "SwiftTarget",
      "name" : "SWONTests",
      "path" : "Tests/SWONTests",
      "sources" : [
        "SWONTests.swift"
      ],
      "target_dependencies" : [
        "SWON"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SWONTester",
      "module_type" : "SwiftTarget",
      "name" : "SWONTester",
      "path" : "Sources/SWONTester",
      "product_memberships" : [
        "SWONTester"
      ],
      "sources" : [
        "SWONTester.swift"
      ],
      "target_dependencies" : [
        "SWON"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "SWON",
      "module_type" : "SwiftTarget",
      "name" : "SWON",
      "path" : "Sources/SWON",
      "product_dependencies" : [
        "SwiftSyntax",
        "SwiftParser"
      ],
      "product_memberships" : [
        "SWON",
        "SWONTester"
      ],
      "sources" : [
        "Decoder/SWONDecoder.swift",
        "Decoder/SWONKeyedDecodingContainer.swift",
        "Decoder/SWONSingleValueDecodingContainer.swift",
        "Decoder/SWONUnkeyedDecodingContainer.swift",
        "Encoder/SWONEncoder.swift",
        "Encoder/SWONKeyedEncodingContainer.swift",
        "Encoder/SWONSingleValueEncodingContainer.swift",
        "Encoder/SWONUnkeyedEncodingContainer.swift",
        "Encoder/SWONWriter.swift",
        "SWONData.swift",
        "SWONParser.swift",
        "Utilities/String+Escaping.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "SWON",
      "SWON-Package",
      "SWONTester"
    ]
  }
}
2026-04-15 14:19:57.182 xcodebuild[669:4043] [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 SWON-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 SWON-Package -destination generic/platform=iOS
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  swift-syntax: https://github.com/swiftlang/swift-syntax.git @ 600.0.1
  SWON: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (11 targets)
    Target 'SWONTester' in project 'SWON'
        ➜ Explicit dependency on target 'SWON' in project 'SWON'
        ➜ Explicit dependency on target 'SwiftSyntax' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftParser' in project 'swift-syntax'
    Target 'SWON' in project 'SWON'
        ➜ Explicit dependency on target 'SWON' in project 'SWON'
        ➜ Explicit dependency on target 'SwiftSyntax' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftParser' in project 'swift-syntax'
    Target 'SWON' in project 'SWON'
        ➜ Explicit dependency on target 'SwiftSyntax' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftParser' in project 'swift-syntax'
    Target 'SwiftParser' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftParser' in project 'swift-syntax'
        ➜ Explicit dependency on target '_SwiftSyntaxCShims' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftSyntax509' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftSyntax510' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftSyntax600' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftSyntax' in project 'swift-syntax'
    Target 'SwiftParser' in project 'swift-syntax'
        ➜ Explicit dependency on target '_SwiftSyntaxCShims' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftSyntax509' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftSyntax510' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftSyntax600' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftSyntax' in project 'swift-syntax'
    Target 'SwiftSyntax' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftSyntax' in project 'swift-syntax'
        ➜ Explicit dependency on target '_SwiftSyntaxCShims' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftSyntax509' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftSyntax510' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftSyntax600' in project 'swift-syntax'
    Target 'SwiftSyntax' in project 'swift-syntax'
        ➜ Explicit dependency on target '_SwiftSyntaxCShims' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftSyntax509' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftSyntax510' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftSyntax600' in project 'swift-syntax'
    Target 'SwiftSyntax600' in project 'swift-syntax' (no dependencies)
    Target 'SwiftSyntax510' in project 'swift-syntax' (no dependencies)
    Target 'SwiftSyntax509' in project 'swift-syntax' (no dependencies)
    Target '_SwiftSyntaxCShims' in project 'swift-syntax' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
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/swiftc --version
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: 3e29a4004649bc00cb1f264339f0c987
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/3e29a4004649bc00cb1f264339f0c987.xcbuilddata
error: The package product 'SwiftSyntax' requires minimum platform version 13.0 for the iOS platform, but this target supports 12.0 (in target 'SWON' from project 'SWON')
error: The package product 'SwiftParser' requires minimum platform version 13.0 for the iOS platform, but this target supports 12.0 (in target 'SWON' from project 'SWON')
error: The package product 'SwiftSyntax' requires minimum platform version 13.0 for the iOS platform, but this target supports 12.0 (in target 'SWONTester' from project 'SWON')
error: The package product 'SwiftParser' requires minimum platform version 13.0 for the iOS platform, but this target supports 12.0 (in target 'SWONTester' from project 'SWON')
2026-04-15 14:19:59.665 xcodebuild[680:4124] [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 SWON-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:
  SWON: /Users/admin/builder/spi-builder-workspace
  swift-syntax: https://github.com/swiftlang/swift-syntax.git @ 600.0.1
resolved source packages: SWON, swift-syntax
2026-04-15 14:20:02.890 xcodebuild[724:4378] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
    {
      "identity" : "swift-syntax",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "600.0.1",
            "upper_bound" : "601.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/swiftlang/swift-syntax.git"
    }
  ],
  "manifest_display_name" : "SWON",
  "name" : "SWON",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "SWON",
      "targets" : [
        "SWON"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "SWONTester",
      "targets" : [
        "SWONTester"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SWONTests",
      "module_type" : "SwiftTarget",
      "name" : "SWONTests",
      "path" : "Tests/SWONTests",
      "sources" : [
        "SWONTests.swift"
      ],
      "target_dependencies" : [
        "SWON"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SWONTester",
      "module_type" : "SwiftTarget",
      "name" : "SWONTester",
      "path" : "Sources/SWONTester",
      "product_memberships" : [
        "SWONTester"
      ],
      "sources" : [
        "SWONTester.swift"
      ],
      "target_dependencies" : [
        "SWON"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "SWON",
      "module_type" : "SwiftTarget",
      "name" : "SWON",
      "path" : "Sources/SWON",
      "product_dependencies" : [
        "SwiftSyntax",
        "SwiftParser"
      ],
      "product_memberships" : [
        "SWON",
        "SWONTester"
      ],
      "sources" : [
        "Decoder/SWONDecoder.swift",
        "Decoder/SWONKeyedDecodingContainer.swift",
        "Decoder/SWONSingleValueDecodingContainer.swift",
        "Decoder/SWONUnkeyedDecodingContainer.swift",
        "Encoder/SWONEncoder.swift",
        "Encoder/SWONKeyedEncodingContainer.swift",
        "Encoder/SWONSingleValueEncodingContainer.swift",
        "Encoder/SWONUnkeyedEncodingContainer.swift",
        "Encoder/SWONWriter.swift",
        "SWONData.swift",
        "SWONParser.swift",
        "Utilities/String+Escaping.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "SWON",
      "SWON-Package",
      "SWONTester"
    ]
  }
}
2026-04-15 14:20:04.779 xcodebuild[747:4529] [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 SWON-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 SWON-Package -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
  SWON: /Users/admin/builder/spi-builder-workspace
  swift-syntax: https://github.com/swiftlang/swift-syntax.git @ 600.0.1
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (11 targets)
    Target 'SWONTester' in project 'SWON'
        ➜ Explicit dependency on target 'SWON' in project 'SWON'
        ➜ Explicit dependency on target 'SwiftSyntax' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftParser' in project 'swift-syntax'
    Target 'SWON' in project 'SWON'
        ➜ Explicit dependency on target 'SWON' in project 'SWON'
        ➜ Explicit dependency on target 'SwiftSyntax' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftParser' in project 'swift-syntax'
    Target 'SWON' in project 'SWON'
        ➜ Explicit dependency on target 'SwiftSyntax' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftParser' in project 'swift-syntax'
    Target 'SwiftParser' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftParser' in project 'swift-syntax'
        ➜ Explicit dependency on target '_SwiftSyntaxCShims' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftSyntax509' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftSyntax510' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftSyntax600' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftSyntax' in project 'swift-syntax'
    Target 'SwiftParser' in project 'swift-syntax'
        ➜ Explicit dependency on target '_SwiftSyntaxCShims' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftSyntax509' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftSyntax510' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftSyntax600' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftSyntax' in project 'swift-syntax'
    Target 'SwiftSyntax' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftSyntax' in project 'swift-syntax'
        ➜ Explicit dependency on target '_SwiftSyntaxCShims' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftSyntax509' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftSyntax510' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftSyntax600' in project 'swift-syntax'
    Target 'SwiftSyntax' in project 'swift-syntax'
        ➜ Explicit dependency on target '_SwiftSyntaxCShims' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftSyntax509' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftSyntax510' in project 'swift-syntax'
        ➜ Explicit dependency on target 'SwiftSyntax600' in project 'swift-syntax'
    Target 'SwiftSyntax600' in project 'swift-syntax' (no dependencies)
    Target 'SwiftSyntax510' in project 'swift-syntax' (no dependencies)
    Target 'SwiftSyntax509' in project 'swift-syntax' (no dependencies)
    Target '_SwiftSyntaxCShims' in project 'swift-syntax' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
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/swiftc --version
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: 3e29a4004649bc00cb1f264339f0c987
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/3e29a4004649bc00cb1f264339f0c987.xcbuilddata
error: The package product 'SwiftSyntax' requires minimum platform version 13.0 for the iOS platform, but this target supports 12.0 (in target 'SWON' from project 'SWON')
error: The package product 'SwiftParser' requires minimum platform version 13.0 for the iOS platform, but this target supports 12.0 (in target 'SWON' from project 'SWON')
error: The package product 'SwiftSyntax' requires minimum platform version 13.0 for the iOS platform, but this target supports 12.0 (in target 'SWONTester' from project 'SWON')
error: The package product 'SwiftParser' requires minimum platform version 13.0 for the iOS platform, but this target supports 12.0 (in target 'SWONTester' from project 'SWON')
2026-04-15 14:20:05.960 xcodebuild[755:4610] [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 SWON-Package
(1 failure)
BUILD FAILURE 6.3 iOS