Swift Package IndexBuild Information
Failed to build CLI, reference master (30b84c), with Swift 6.3 for iOS using Xcode 26.4 on 11 Apr 2026 16:08:18 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme CLI -destination generic/platform=iOSBuild Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Ponyboy47/CLI.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Ponyboy47/CLI
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 30b84cd Updated README for MultiOption
Cloned https://github.com/Ponyboy47/CLI.git
Revision (git rev-parse @):
30b84cd3b751789e8a53f1ca428731ae6ec4e011
SUCCESS checkout https://github.com/Ponyboy47/CLI.git at master
========================================
Build
========================================
Selected platform: iOS
Swift version: 6.3
Building package at path: $PWD
https://github.com/Ponyboy47/CLI.git
Command line invocation:
/Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/Ponyboy47/Strings.git
Creating working copy of package ‘Strings’
Checking out 2.2.1 of package ‘Strings’
Resolve Package Graph
Resolved source packages:
CLI: /Users/admin/builder/spi-builder-workspace
Strings: https://github.com/Ponyboy47/Strings.git @ 2.2.1
resolved source packages: CLI, Strings
2026-04-11 12:07:59.787 xcodebuild[525:3031] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
{
"identity" : "strings",
"requirement" : {
"range" : [
{
"lower_bound" : "2.2.1",
"upper_bound" : "3.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/Ponyboy47/Strings.git"
}
],
"manifest_display_name" : "CLI",
"name" : "CLI",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "CLI",
"targets" : [
"CLI"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "CLI",
"module_type" : "SwiftTarget",
"name" : "CLI",
"path" : "Sources/CLI",
"product_dependencies" : [
"Strings"
],
"product_memberships" : [
"CLI"
],
"sources" : [
"ArgumentErrors.swift",
"ArgumentParser.swift",
"ArgumentProtocols.swift",
"ArgumentTypes.swift",
"MultiOption.swift",
"Option+Flag.swift"
],
"type" : "library"
}
],
"tools_version" : "4.0"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"CLI"
]
}
}
2026-04-11 12:08:07.770 xcodebuild[659:3911] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme CLI -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 CLI -destination generic/platform=iOS
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
CLI: /Users/admin/builder/spi-builder-workspace
Strings: https://github.com/Ponyboy47/Strings.git @ 2.2.1
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (4 targets)
Target 'CLI' in project 'CLI'
➜ Explicit dependency on target 'CLI' in project 'CLI'
➜ Explicit dependency on target 'Strings' in project 'Strings'
Target 'CLI' in project 'CLI'
➜ Explicit dependency on target 'Strings' in project 'Strings'
Target 'Strings' in project 'Strings'
➜ Explicit dependency on target 'Strings' in project 'Strings'
Target 'Strings' in project 'Strings' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
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/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 130457e46eeed533d2c3477a1ff438f2
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/130457e46eeed533d2c3477a1ff438f2.xcbuilddata
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
ClangStatCache /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-iphoneos
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-iphoneos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/PackageFrameworks
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Strings.modulemap (in target 'Strings' from project 'Strings')
cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Strings
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Strings.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Strings.DependencyMetadataFileList (in target 'Strings' from project 'Strings')
cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Strings
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Strings.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Strings.DependencyStaticMetadataFileList (in target 'Strings' from project 'Strings')
cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Strings
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Strings.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings.SwiftFileList (in target 'Strings' from project 'Strings')
cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Strings
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings_const_extract_protocols.json (in target 'Strings' from project 'Strings')
cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Strings
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings-OutputFileMap.json (in target 'Strings' from project 'Strings')
cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Strings
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings.SwiftConstValuesFileList (in target 'Strings' from project 'Strings')
cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Strings
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings.LinkFileList (in target 'Strings' from project 'Strings')
cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Strings
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI_const_extract_protocols.json (in target 'CLI' from project 'CLI')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI.SwiftFileList (in target 'CLI' from project 'CLI')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI.SwiftConstValuesFileList (in target 'CLI' from project 'CLI')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI.LinkFileList (in target 'CLI' from project 'CLI')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI-OutputFileMap.json (in target 'CLI' from project 'CLI')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/CLI.modulemap (in target 'CLI' from project 'CLI')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/CLI.modulemap
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos/Strings.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Strings.modulemap (in target 'Strings' from project 'Strings')
cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Strings
builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Strings.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/CLI.DependencyStaticMetadataFileList (in target 'CLI' from project 'CLI')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/CLI.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/CLI.DependencyMetadataFileList (in target 'CLI' from project 'CLI')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/CLI.DependencyMetadataFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos/CLI.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/CLI.modulemap (in target 'CLI' from project 'CLI')
cd /Users/admin/builder/spi-builder-workspace
builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/CLI.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos
SwiftDriver Strings normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Strings' from project 'Strings')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftDriver -- /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name Strings -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -target arm64-apple-ios12.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -suppress-warnings -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 4 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftEmitModule normal arm64 Emitting\ module\ for\ Strings (in target 'Strings' from project 'Strings')
EmitSwiftModule normal arm64 (in target 'Strings' from project 'Strings')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Strings.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Strings/Sources/Strings/Strings.swift (in target 'Strings' from project 'Strings')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Strings/Sources/Strings/Strings.swift (in target 'Strings' from project 'Strings')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Strings+Subscript.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Strings/Sources/Strings/Strings+Subscript.swift (in target 'Strings' from project 'Strings')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Strings/Sources/Strings/Strings+Subscript.swift (in target 'Strings' from project 'Strings')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Strings+Validation.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Strings/Sources/Strings/Strings+Validation.swift (in target 'Strings' from project 'Strings')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Strings/Sources/Strings/Strings+Validation.swift (in target 'Strings' from project 'Strings')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Substring.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Strings/Sources/Strings/Substring.swift (in target 'Strings' from project 'Strings')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Strings/Sources/Strings/Substring.swift (in target 'Strings' from project 'Strings')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftDriverJobDiscovery normal arm64 Emitting module for Strings (in target 'Strings' from project 'Strings')
SwiftDriver\ Compilation\ Requirements Strings normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Strings' from project 'Strings')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-Swift-Compilation-Requirements -- /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name Strings -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -target arm64-apple-ios12.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -suppress-warnings -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 4 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftMergeGeneratedHeaders /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos/Strings-Swift.h /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings-Swift.h (in target 'Strings' from project 'Strings')
cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Strings
builtin-swiftHeaderTool -arch arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings-Swift.h -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos/Strings-Swift.h
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/Strings.swiftmodule/arm64-apple-ios.swiftmodule /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings.swiftmodule (in target 'Strings' from project 'Strings')
cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Strings
builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks -rename /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings.swiftmodule /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/Strings.swiftmodule/arm64-apple-ios.swiftmodule
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/Strings.swiftmodule/arm64-apple-ios.abi.json /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings.abi.json (in target 'Strings' from project 'Strings')
cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Strings
builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks -rename /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings.abi.json /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/Strings.swiftmodule/arm64-apple-ios.abi.json
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/Strings.swiftmodule/arm64-apple-ios.swiftdoc /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings.swiftdoc (in target 'Strings' from project 'Strings')
cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Strings
builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks -rename /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings.swiftdoc /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/Strings.swiftmodule/arm64-apple-ios.swiftdoc
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/Strings.swiftmodule/Project/arm64-apple-ios.swiftsourceinfo /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings.swiftsourceinfo (in target 'Strings' from project 'Strings')
cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Strings
builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks -rename /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings.swiftsourceinfo /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/Strings.swiftmodule/Project/arm64-apple-ios.swiftsourceinfo
SwiftDriver CLI normal arm64 com.apple.xcode.tools.swift.compiler (in target 'CLI' from project 'CLI')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftDriver -- /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name CLI -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -target arm64-apple-ios12.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 4 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/PackageFrameworks -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ ArgumentProtocols.swift /Users/admin/builder/spi-builder-workspace/Sources/CLI/ArgumentProtocols.swift (in target 'CLI' from project 'CLI')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CLI/ArgumentProtocols.swift (in target 'CLI' from project 'CLI')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ ArgumentErrors.swift /Users/admin/builder/spi-builder-workspace/Sources/CLI/ArgumentErrors.swift (in target 'CLI' from project 'CLI')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CLI/ArgumentErrors.swift (in target 'CLI' from project 'CLI')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ ArgumentTypes.swift /Users/admin/builder/spi-builder-workspace/Sources/CLI/ArgumentTypes.swift (in target 'CLI' from project 'CLI')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CLI/ArgumentTypes.swift (in target 'CLI' from project 'CLI')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ ArgumentParser.swift /Users/admin/builder/spi-builder-workspace/Sources/CLI/ArgumentParser.swift (in target 'CLI' from project 'CLI')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CLI/ArgumentParser.swift (in target 'CLI' from project 'CLI')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Option+Flag.swift /Users/admin/builder/spi-builder-workspace/Sources/CLI/Option+Flag.swift (in target 'CLI' from project 'CLI')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CLI/Option+Flag.swift (in target 'CLI' from project 'CLI')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftEmitModule normal arm64 Emitting\ module\ for\ CLI (in target 'CLI' from project 'CLI')
EmitSwiftModule normal arm64 (in target 'CLI' from project 'CLI')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
/Users/admin/builder/spi-builder-workspace/Sources/CLI/MultiOption.swift:73:5: warning: 'public' modifier is redundant for instance method declared in a public extension
public func index(of element: A) -> Int? {
^~~~~~~
SwiftCompile normal arm64 Compiling\ MultiOption.swift /Users/admin/builder/spi-builder-workspace/Sources/CLI/MultiOption.swift (in target 'CLI' from project 'CLI')
Failed frontend command:
/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c /Users/admin/builder/spi-builder-workspace/Sources/CLI/ArgumentErrors.swift /Users/admin/builder/spi-builder-workspace/Sources/CLI/ArgumentParser.swift /Users/admin/builder/spi-builder-workspace/Sources/CLI/ArgumentProtocols.swift /Users/admin/builder/spi-builder-workspace/Sources/CLI/ArgumentTypes.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/CLI/MultiOption.swift /Users/admin/builder/spi-builder-workspace/Sources/CLI/Option+Flag.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/MultiOption.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/MultiOption.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/MultiOption.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/MultiOption.dia -target arm64-apple-ios12.0 -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/PackageFrameworks -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk/Developer/Library/Frameworks -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -swift-version 4 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/swift-overrides.hmap -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name CLI -frontend-parseable-output -disable-clang-spi -target-sdk-version 26.4 -target-sdk-name iphoneos26.4 -external-plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/MultiOption.o -index-unit-output-path /CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/MultiOption.o -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -index-system-modules
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CLI/MultiOption.swift (in target 'CLI' from project 'CLI')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
/Users/admin/builder/spi-builder-workspace/Sources/CLI/MultiOption.swift:73:5: warning: 'public' modifier is redundant for instance method declared in a public extension
public func index(of element: A) -> Int? {
^~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/CLI/MultiOption.swift:52:16: error: 'subscript(_:)' is unavailable
return values[bounds]
^~~~~~~~~~~~~~
Swift.MutableCollection.subscript:3:21: note: 'subscript(_:)' has been explicitly marked unavailable here
@inlinable public subscript(bounds: Range<Self.Index>) -> Slice<Self> { get set }}
^
SwiftDriverJobDiscovery normal arm64 Emitting module for CLI (in target 'CLI' from project 'CLI')
SwiftDriver\ Compilation\ Requirements CLI normal arm64 com.apple.xcode.tools.swift.compiler (in target 'CLI' from project 'CLI')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-Swift-Compilation-Requirements -- /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name CLI -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -target arm64-apple-ios12.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 4 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/PackageFrameworks -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftDriverJobDiscovery normal arm64 Compiling Substring.swift (in target 'Strings' from project 'Strings')
SwiftMergeGeneratedHeaders /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos/CLI-Swift.h /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI-Swift.h (in target 'CLI' from project 'CLI')
cd /Users/admin/builder/spi-builder-workspace
builtin-swiftHeaderTool -arch arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI-Swift.h -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos/CLI-Swift.h
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/CLI.swiftmodule/arm64-apple-ios.swiftmodule /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI.swiftmodule (in target 'CLI' from project 'CLI')
cd /Users/admin/builder/spi-builder-workspace
builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks -rename /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI.swiftmodule /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/CLI.swiftmodule/arm64-apple-ios.swiftmodule
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/CLI.swiftmodule/arm64-apple-ios.swiftdoc /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI.swiftdoc (in target 'CLI' from project 'CLI')
cd /Users/admin/builder/spi-builder-workspace
builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks -rename /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI.swiftdoc /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/CLI.swiftmodule/arm64-apple-ios.swiftdoc
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/CLI.swiftmodule/arm64-apple-ios.abi.json /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI.abi.json (in target 'CLI' from project 'CLI')
cd /Users/admin/builder/spi-builder-workspace
builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks -rename /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI.abi.json /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/CLI.swiftmodule/arm64-apple-ios.abi.json
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/CLI.swiftmodule/Project/arm64-apple-ios.swiftsourceinfo /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI.swiftsourceinfo (in target 'CLI' from project 'CLI')
cd /Users/admin/builder/spi-builder-workspace
builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks -rename /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI.swiftsourceinfo /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/CLI.swiftmodule/Project/arm64-apple-ios.swiftsourceinfo
SwiftDriverJobDiscovery normal arm64 Compiling ArgumentErrors.swift (in target 'CLI' from project 'CLI')
SwiftDriverJobDiscovery normal arm64 Compiling ArgumentTypes.swift (in target 'CLI' from project 'CLI')
SwiftDriverJobDiscovery normal arm64 Compiling ArgumentParser.swift (in target 'CLI' from project 'CLI')
2026-04-11 12:08:09.810 xcodebuild[666:3979] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
SwiftCompile normal arm64 Compiling\ MultiOption.swift /Users/admin/builder/spi-builder-workspace/Sources/CLI/MultiOption.swift (in target 'CLI' from project 'CLI')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CLI/MultiOption.swift (in target 'CLI' from project 'CLI')
Building workspace spi-builder-workspace with scheme CLI
(3 failures)
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:
Strings: https://github.com/Ponyboy47/Strings.git @ 2.2.1
CLI: /Users/admin/builder/spi-builder-workspace
resolved source packages: Strings, CLI
2026-04-11 12:08:15.233 xcodebuild[705:4226] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
{
"identity" : "strings",
"requirement" : {
"range" : [
{
"lower_bound" : "2.2.1",
"upper_bound" : "3.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/Ponyboy47/Strings.git"
}
],
"manifest_display_name" : "CLI",
"name" : "CLI",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "CLI",
"targets" : [
"CLI"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "CLI",
"module_type" : "SwiftTarget",
"name" : "CLI",
"path" : "Sources/CLI",
"product_dependencies" : [
"Strings"
],
"product_memberships" : [
"CLI"
],
"sources" : [
"ArgumentErrors.swift",
"ArgumentParser.swift",
"ArgumentProtocols.swift",
"ArgumentTypes.swift",
"MultiOption.swift",
"Option+Flag.swift"
],
"type" : "library"
}
],
"tools_version" : "4.0"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"CLI"
]
}
}
2026-04-11 12:08:16.379 xcodebuild[715:4313] [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 CLI -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 CLI -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
CLI: /Users/admin/builder/spi-builder-workspace
Strings: https://github.com/Ponyboy47/Strings.git @ 2.2.1
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (4 targets)
Target 'CLI' in project 'CLI'
➜ Explicit dependency on target 'CLI' in project 'CLI'
➜ Explicit dependency on target 'Strings' in project 'Strings'
Target 'CLI' in project 'CLI'
➜ Explicit dependency on target 'Strings' in project 'Strings'
Target 'Strings' in project 'Strings'
➜ Explicit dependency on target 'Strings' in project 'Strings'
Target 'Strings' in project 'Strings' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ClangStatCache /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache
SwiftDriver Strings normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Strings' from project 'Strings')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftDriver -- /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name Strings -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -target arm64-apple-ios12.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -suppress-warnings -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 4 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings.build/Objects-normal/arm64/Strings-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftDriver CLI normal arm64 com.apple.xcode.tools.swift.compiler (in target 'CLI' from project 'CLI')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftDriver -- /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name CLI -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -target arm64-apple-ios12.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 4 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/PackageFrameworks -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ Strings+Validation.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Strings/Sources/Strings/Strings+Validation.swift (in target 'Strings' from project 'Strings')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Strings/Sources/Strings/Strings+Validation.swift (in target 'Strings' from project 'Strings')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftEmitModule normal arm64 Emitting\ module\ for\ Strings (in target 'Strings' from project 'Strings')
EmitSwiftModule normal arm64 (in target 'Strings' from project 'Strings')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Strings+Subscript.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Strings/Sources/Strings/Strings+Subscript.swift (in target 'Strings' from project 'Strings')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Strings/Sources/Strings/Strings+Subscript.swift (in target 'Strings' from project 'Strings')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Strings.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Strings/Sources/Strings/Strings.swift (in target 'Strings' from project 'Strings')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Strings/Sources/Strings/Strings.swift (in target 'Strings' from project 'Strings')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ MultiOption.swift /Users/admin/builder/spi-builder-workspace/Sources/CLI/MultiOption.swift (in target 'CLI' from project 'CLI')
Failed frontend command:
/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c /Users/admin/builder/spi-builder-workspace/Sources/CLI/ArgumentErrors.swift /Users/admin/builder/spi-builder-workspace/Sources/CLI/ArgumentParser.swift /Users/admin/builder/spi-builder-workspace/Sources/CLI/ArgumentProtocols.swift /Users/admin/builder/spi-builder-workspace/Sources/CLI/ArgumentTypes.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/CLI/MultiOption.swift /Users/admin/builder/spi-builder-workspace/Sources/CLI/Option+Flag.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/MultiOption.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/MultiOption.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/MultiOption.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/MultiOption.dia -target arm64-apple-ios12.0 -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/PackageFrameworks -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk/Developer/Library/Frameworks -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -swift-version 4 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/CLI_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/swift-overrides.hmap -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name CLI -frontend-parseable-output -disable-clang-spi -target-sdk-version 26.4 -target-sdk-name iphoneos26.4 -external-plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/MultiOption.o -index-unit-output-path /CLI.build/Debug-iphoneos/CLI.build/Objects-normal/arm64/MultiOption.o -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -index-system-modules
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CLI/MultiOption.swift (in target 'CLI' from project 'CLI')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
/Users/admin/builder/spi-builder-workspace/Sources/CLI/MultiOption.swift:73:5: warning: 'public' modifier is redundant for instance method declared in a public extension
public func index(of element: A) -> Int? {
^~~~~~~
/Users/admin/builder/spi-builder-workspace/Sources/CLI/MultiOption.swift:52:16: error: 'subscript(_:)' is unavailable
return values[bounds]
^~~~~~~~~~~~~~
Swift.MutableCollection.subscript:3:21: note: 'subscript(_:)' has been explicitly marked unavailable here
@inlinable public subscript(bounds: Range<Self.Index>) -> Slice<Self> { get set }}
^
SwiftEmitModule normal arm64 Emitting\ module\ for\ CLI (in target 'CLI' from project 'CLI')
EmitSwiftModule normal arm64 (in target 'CLI' from project 'CLI')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Option+Flag.swift /Users/admin/builder/spi-builder-workspace/Sources/CLI/Option+Flag.swift (in target 'CLI' from project 'CLI')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CLI/Option+Flag.swift (in target 'CLI' from project 'CLI')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ ArgumentProtocols.swift /Users/admin/builder/spi-builder-workspace/Sources/CLI/ArgumentProtocols.swift (in target 'CLI' from project 'CLI')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CLI/ArgumentProtocols.swift (in target 'CLI' from project 'CLI')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
2026-04-11 12:08:17.260 xcodebuild[718:4347] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
SwiftCompile normal arm64 Compiling\ MultiOption.swift /Users/admin/builder/spi-builder-workspace/Sources/CLI/MultiOption.swift (in target 'CLI' from project 'CLI')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CLI/MultiOption.swift (in target 'CLI' from project 'CLI')
Building workspace spi-builder-workspace with scheme CLI
(3 failures)
BUILD FAILURE 6.3 iOS