Swift Package IndexBuild Information
Failed to build swift-helper, reference main (b6da4d), with Swift 6.3 for iOS using Xcode 26.4 on 19 Apr 2026 12:31:49 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=iOSBuild 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: iOS
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/swiftlang/swift-subprocess
Fetching from https://github.com/apple/swift-argument-parser
Fetching from https://github.com/apple/swift-system
Creating working copy of package ‘swift-subprocess’
Checking out 0.4.0 of package ‘swift-subprocess’
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’
Resolve Package Graph
Resolved source packages:
swift-system: https://github.com/apple/swift-system @ 1.6.4
Subprocess: https://github.com/swiftlang/swift-subprocess @ 0.4.0
swift-argument-parser: https://github.com/apple/swift-argument-parser @ 1.7.1
swift-helper: /Users/admin/builder/spi-builder-workspace
resolved source packages: swift-system, Subprocess, swift-argument-parser, swift-helper
2026-04-19 08:31:27.387 xcodebuild[525:3012] [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 08:31:36.911 xcodebuild[751:4337] [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=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 swift-helper -destination generic/platform=iOS
Resolve Package Graph
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
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/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: a321228e88a4487af54404f455d17c28
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/a321228e88a4487af54404f455d17c28.xcbuilddata
error: The package product 'Subprocess' requires minimum platform version 99.0 for the iOS platform, but this target supports 12.0 (in target 'swift-helper' from project 'swift-helper')
/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/swift-subprocess/Package.swift: warning: The iOS deployment target 'IPHONEOS_DEPLOYMENT_TARGET' is set to 99.0, but the range of supported deployment target versions is 12.0 to 26.4.99. (in target '_SubprocessCShims' from project 'Subprocess')
/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/swift-subprocess/Package.swift: warning: The iOS deployment target 'IPHONEOS_DEPLOYMENT_TARGET' is set to 99.0, but the range of supported deployment target versions is 12.0 to 26.4.99. (in target 'Subprocess' from project 'Subprocess')
/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/swift-subprocess/Package.swift: warning: The iOS deployment target 'IPHONEOS_DEPLOYMENT_TARGET' is set to 99.0, but the range of supported deployment target versions is 12.0 to 26.4.99. (in target 'Subprocess' from project 'Subprocess')
2026-04-19 08:31:40.496 xcodebuild[773:4465] [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-helper: /Users/admin/builder/spi-builder-workspace
swift-argument-parser: https://github.com/apple/swift-argument-parser @ 1.7.1
Subprocess: https://github.com/swiftlang/swift-subprocess @ 0.4.0
swift-system: https://github.com/apple/swift-system @ 1.6.4
resolved source packages: swift-helper, swift-argument-parser, Subprocess, swift-system
2026-04-19 08:31:44.813 xcodebuild[845:4843] [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 08:31:46.858 xcodebuild[870:4982] [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=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 swift-helper -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
swift-helper: /Users/admin/builder/spi-builder-workspace
Subprocess: https://github.com/swiftlang/swift-subprocess @ 0.4.0
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/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: a321228e88a4487af54404f455d17c28
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/a321228e88a4487af54404f455d17c28.xcbuilddata
/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/swift-subprocess/Package.swift: warning: The iOS deployment target 'IPHONEOS_DEPLOYMENT_TARGET' is set to 99.0, but the range of supported deployment target versions is 12.0 to 26.4.99. (in target 'Subprocess' from project 'Subprocess')
error: The package product 'Subprocess' requires minimum platform version 99.0 for the iOS platform, but this target supports 12.0 (in target 'swift-helper' from project 'swift-helper')
/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/swift-subprocess/Package.swift: warning: The iOS deployment target 'IPHONEOS_DEPLOYMENT_TARGET' is set to 99.0, but the range of supported deployment target versions is 12.0 to 26.4.99. (in target 'Subprocess' from project 'Subprocess')
/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/swift-subprocess/Package.swift: warning: The iOS deployment target 'IPHONEOS_DEPLOYMENT_TARGET' is set to 99.0, but the range of supported deployment target versions is 12.0 to 26.4.99. (in target '_SubprocessCShims' from project 'Subprocess')
2026-04-19 08:31:48.694 xcodebuild[888:5076] [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 iOS