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Build Information

Failed to build swift-helper, reference main (b6da4d), with Swift 6.3 for watchOS using Xcode 26.4 on 19 Apr 2026 12:30:44 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/adammcarter/swift-helper.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/adammcarter/swift-helper
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at b6da4d9 Install
Cloned https://github.com/adammcarter/swift-helper.git
Revision (git rev-parse @):
b6da4d96f28131636ab39c10f92b6f1ca1f071c9
SUCCESS checkout https://github.com/adammcarter/swift-helper.git at main
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             6.3
Building package at path:  $PWD
https://github.com/adammcarter/swift-helper.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/apple/swift-argument-parser
Fetching from https://github.com/swiftlang/swift-subprocess
Fetching from https://github.com/apple/swift-system
Creating working copy of package ‘swift-argument-parser’
Checking out 1.7.1 of package ‘swift-argument-parser’
Creating working copy of package ‘swift-system’
Checking out 1.6.4 of package ‘swift-system’
Creating working copy of package ‘swift-subprocess’
Checking out 0.4.0 of package ‘swift-subprocess’
Resolve Package Graph
Resolved source packages:
  swift-system: https://github.com/apple/swift-system @ 1.6.4
  swift-helper: /Users/admin/builder/spi-builder-workspace
  Subprocess: https://github.com/swiftlang/swift-subprocess @ 0.4.0
  swift-argument-parser: https://github.com/apple/swift-argument-parser @ 1.7.1
resolved source packages: swift-system, swift-helper, Subprocess, swift-argument-parser
2026-04-19 08:30:21.360 xcodebuild[529:3054] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
    {
      "identity" : "swift-argument-parser",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.2.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-argument-parser"
    },
    {
      "identity" : "swift-subprocess",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.3.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/swiftlang/swift-subprocess"
    }
  ],
  "manifest_display_name" : "swift-helper",
  "name" : "swift-helper",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "swift-helper",
      "targets" : [
        "swift-helper"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "swift_helper",
      "module_type" : "SwiftTarget",
      "name" : "swift-helper",
      "path" : "Sources/swift-helper",
      "product_dependencies" : [
        "ArgumentParser",
        "Subprocess"
      ],
      "product_memberships" : [
        "swift-helper"
      ],
      "sources" : [
        "Build.swift",
        "Clone.swift",
        "Diagnostics.swift",
        "Doctor.swift",
        "Shell.swift",
        "SwiftHelper.swift",
        "SyncToolchain.swift",
        "Test.swift"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "6.0"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "swift-helper"
    ]
  }
}
2026-04-19 08:30:31.305 xcodebuild[756:4396] [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 swift-helper -destination generic/platform=watchOS
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 swift-helper -destination generic/platform=watchOS
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  Subprocess: https://github.com/swiftlang/swift-subprocess @ 0.4.0
  swift-helper: /Users/admin/builder/spi-builder-workspace
  swift-system: https://github.com/apple/swift-system @ 1.6.4
  swift-argument-parser: https://github.com/apple/swift-argument-parser @ 1.7.1
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (10 targets)
    Target 'swift-helper' in project 'swift-helper'
        ➜ Explicit dependency on target 'ArgumentParser' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'Subprocess' in project 'Subprocess'
    Target 'Subprocess' in project 'Subprocess'
        ➜ Explicit dependency on target 'Subprocess' in project 'Subprocess'
        ➜ Explicit dependency on target '_SubprocessCShims' in project 'Subprocess'
        ➜ Explicit dependency on target 'SystemPackage' in project 'swift-system'
    Target 'Subprocess' in project 'Subprocess'
        ➜ Explicit dependency on target '_SubprocessCShims' in project 'Subprocess'
        ➜ 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 '_SubprocessCShims' in project 'Subprocess' (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)
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/WatchOS.platform/Developer/SDKs/WatchOS26.4.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/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64_32 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch armv7k -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x c -c /dev/null
ReadFileContents /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
Build description signature: c02f855a057502a3516dc414d007251d
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/c02f855a057502a3516dc414d007251d.xcbuilddata
error: The package product 'Subprocess' requires minimum platform version 26.4 for the watchOS platform, but this target supports 5.0 (in target 'swift-helper' from project 'swift-helper')
2026-04-19 08:30:34.969 xcodebuild[778:4525] [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 swift-helper
(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-system: https://github.com/apple/swift-system @ 1.6.4
  swift-argument-parser: https://github.com/apple/swift-argument-parser @ 1.7.1
  Subprocess: https://github.com/swiftlang/swift-subprocess @ 0.4.0
  swift-helper: /Users/admin/builder/spi-builder-workspace
resolved source packages: swift-system, swift-argument-parser, Subprocess, swift-helper
2026-04-19 08:30:39.349 xcodebuild[880:5109] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
    {
      "identity" : "swift-argument-parser",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.2.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-argument-parser"
    },
    {
      "identity" : "swift-subprocess",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.3.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/swiftlang/swift-subprocess"
    }
  ],
  "manifest_display_name" : "swift-helper",
  "name" : "swift-helper",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "swift-helper",
      "targets" : [
        "swift-helper"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "swift_helper",
      "module_type" : "SwiftTarget",
      "name" : "swift-helper",
      "path" : "Sources/swift-helper",
      "product_dependencies" : [
        "ArgumentParser",
        "Subprocess"
      ],
      "product_memberships" : [
        "swift-helper"
      ],
      "sources" : [
        "Build.swift",
        "Clone.swift",
        "Diagnostics.swift",
        "Doctor.swift",
        "Shell.swift",
        "SwiftHelper.swift",
        "SyncToolchain.swift",
        "Test.swift"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "6.0"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "swift-helper"
    ]
  }
}
2026-04-19 08:30:41.329 xcodebuild[905:5253] [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 swift-helper -destination generic/platform=watchOS
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 swift-helper -destination generic/platform=watchOS
Resolve Package Graph
Resolved source packages:
  swift-helper: /Users/admin/builder/spi-builder-workspace
  swift-system: https://github.com/apple/swift-system @ 1.6.4
  swift-argument-parser: https://github.com/apple/swift-argument-parser @ 1.7.1
  Subprocess: https://github.com/swiftlang/swift-subprocess @ 0.4.0
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (10 targets)
    Target 'swift-helper' in project 'swift-helper'
        ➜ Explicit dependency on target 'ArgumentParser' in project 'swift-argument-parser'
        ➜ Explicit dependency on target 'Subprocess' in project 'Subprocess'
    Target 'Subprocess' in project 'Subprocess'
        ➜ Explicit dependency on target 'Subprocess' in project 'Subprocess'
        ➜ Explicit dependency on target '_SubprocessCShims' in project 'Subprocess'
        ➜ Explicit dependency on target 'SystemPackage' in project 'swift-system'
    Target 'Subprocess' in project 'Subprocess'
        ➜ Explicit dependency on target '_SubprocessCShims' in project 'Subprocess'
        ➜ 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 '_SubprocessCShims' in project 'Subprocess' (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)
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/WatchOS.platform/Developer/SDKs/WatchOS26.4.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/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64_32 -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch armv7k -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x c -c /dev/null
ReadFileContents /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
Build description signature: c02f855a057502a3516dc414d007251d
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/c02f855a057502a3516dc414d007251d.xcbuilddata
error: The package product 'Subprocess' requires minimum platform version 26.4 for the watchOS platform, but this target supports 5.0 (in target 'swift-helper' from project 'swift-helper')
2026-04-19 08:30:43.145 xcodebuild[923:5350] [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 swift-helper
(1 failure)
BUILD FAILURE 6.3 watchOS