Swift Package Index

Build Information

Failed to build CLI, reference master (30b84c), with Swift 6.4 for iOS using Xcode 27.0 on 17 Sep 2026 03:59:43 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme CLI -destination generic/platform=iOS

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
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:             6.4
Building package at path:  $PWD
https://github.com/Ponyboy47/CLI.git
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.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:
  Strings: https://github.com/Ponyboy47/Strings.git @ 2.2.1
  CLI: /Users/admin/builder/spi-builder-workspace
resolved source packages: Strings, CLI
2026-09-16 23:58:53.163 xcodebuild[525:2985] [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" : "CLI",
    "schemes" : [
      "CLI"
    ]
  }
}
2026-09-16 23:59:33.921 xcodebuild[680:4216] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme CLI -destination generic/platform=iOS
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.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-product' in project 'CLI'
        ➜ Explicit dependency on target 'CLI' in project 'CLI'
        ➜ Explicit dependency on target 'Strings-product' in project 'Strings'
    Target 'CLI' in project 'CLI'
        ➜ Explicit dependency on target 'Strings-product' in project 'Strings'
    Target 'Strings-product' in project 'Strings'
        ➜ Explicit dependency on target 'Strings' in project 'Strings'
    Target 'Strings' in project 'Strings' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 6b6cbcb550a00a2bad47b6c2bafaf6a8
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/6b6cbcb550a00a2bad47b6c2bafaf6a8.xcbuilddata
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/CompilationCache.noindex
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/CompilationCache.noindex
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-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.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/PrecompiledHeaders
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PrecompiledHeaders
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-t.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-t.build/Strings.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings-t.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-t.build/Strings.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings-t.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-t.build/Strings.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings-t.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-t.build/Objects-normal/arm64/Strings.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings-t.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-t.build/Objects-normal/arm64/Strings.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings-t.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-t.build/Objects-normal/arm64/Strings-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings-t.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-t.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-t.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-t.build/Objects-normal/arm64/Strings.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI-t.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-t.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-t.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-t.build/Objects-normal/arm64/CLI.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI-t.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-t.build/Objects-normal/arm64/CLI.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI-t.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-t.build/Objects-normal/arm64/CLI.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI-t.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-t.build/Objects-normal/arm64/CLI-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI-t.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-t.build/CLI.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI-t.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-t.build/CLI.DependencyStaticMetadataFileList
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-t.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-t.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-t.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-t.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-t.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-t.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-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name Strings -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings-t.build/Objects-normal/arm64/Strings.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -target arm64-apple-ios15.0 -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-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings-t.build/Objects-normal/arm64/Strings-OutputFileMap.json -save-temps -no-color-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings-t.build/Objects-normal/arm64/Strings.swiftmodule -serialize-diagnostics -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings-t.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-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings-t.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-t.build/Objects-normal/arm64/Strings-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
    builtin-SwiftPerFileCompile Strings+Validation.swift
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
    builtin-SwiftPerFileCompile Substring.swift
SwiftEmitModule normal arm64 Emitting\ module\ for\ Strings (in target 'Strings' from project 'Strings')
SwiftCompile 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
    builtin-SwiftPerFileCompile Strings+Subscript.swift
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
    builtin-SwiftPerFileCompile Strings.swift
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-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name Strings -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings-t.build/Objects-normal/arm64/Strings.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -target arm64-apple-ios15.0 -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-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings-t.build/Objects-normal/arm64/Strings-OutputFileMap.json -save-temps -no-color-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings-t.build/Objects-normal/arm64/Strings.swiftmodule -serialize-diagnostics -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings-t.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-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings-t.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-t.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-t.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-t.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-t.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-t.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.swiftdoc /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings-t.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-t.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/arm64-apple-ios.abi.json /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings-t.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-t.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/Project/arm64-apple-ios.swiftsourceinfo /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings-t.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-t.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-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name CLI -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI-t.build/Objects-normal/arm64/CLI.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -target arm64-apple-ios15.0 -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-27.0.0-Release.Candidate.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-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI-t.build/Objects-normal/arm64/CLI-OutputFileMap.json -save-temps -no-color-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI-t.build/Objects-normal/arm64/CLI.swiftmodule -serialize-diagnostics -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI-t.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-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI-t.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-t.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\ 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
    builtin-SwiftPerFileCompile ArgumentErrors.swift
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
    builtin-SwiftPerFileCompile ArgumentTypes.swift
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
    builtin-SwiftPerFileCompile ArgumentParser.swift
SwiftEmitModule normal arm64 Emitting\ module\ for\ CLI (in target 'CLI' from project 'CLI')
/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
71 |
72 | public extension MultiOption where A: Equatable {
73 |     public func index(of element: A) -> Int? {
   |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
74 |         return values.index(of: element)
75 |     }
SwiftCompile normal arm64 (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
    builtin-SwiftPerFileCompile ArgumentProtocols.swift
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
    builtin-SwiftPerFileCompile Option+Flag.swift
SwiftCompile normal arm64 Compiling\ MultiOption.swift /Users/admin/builder/spi-builder-workspace/Sources/CLI/MultiOption.swift (in target 'CLI' from project 'CLI')
/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
71 |
72 | public extension MultiOption where A: Equatable {
73 |     public func index(of element: A) -> Int? {
   |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
74 |         return values.index(of: element)
75 |     }
/Users/admin/builder/spi-builder-workspace/Sources/CLI/MultiOption.swift:52:16: error: 'subscript(_:)' is unavailable
50 |
51 |     public subscript(bounds: Range<Int>) -> Slice<[A]> {
52 |         return values[bounds]
   |                `- error: 'subscript(_:)' is unavailable
53 |     }
54 |
Swift.MutableCollection.subscript:3:21: note: 'subscript(_:)' has been explicitly marked unavailable here
1 | protocol MutableCollection {
2 | @available(*, unavailable)
3 |   @inlinable public subscript(bounds: Range<Self.Index>) -> Slice<Self> { get set }}
  |                     `- note: 'subscript(_:)' has been explicitly marked unavailable here
4 |
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.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-t.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-t.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-t.build/Objects-normal/arm64/MultiOption.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI-t.build/Objects-normal/arm64/MultiOption.dia -target arm64-apple-ios15.0 -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.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-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 4 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.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/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -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-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name CLI -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI-t.build/Objects-normal/arm64/CLI_const_extract_protocols.json -disable-clang-spi -target-sdk-version 27.0 -target-sdk-name iphoneos27.0 -external-plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI-t.build/Objects-normal/arm64/MultiOption.o -index-unit-output-path /CLI.build/Debug-iphoneos/CLI-t.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
    builtin-SwiftPerFileCompile MultiOption.swift
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-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name CLI -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI-t.build/Objects-normal/arm64/CLI.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -target arm64-apple-ios15.0 -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-27.0.0-Release.Candidate.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-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI-t.build/Objects-normal/arm64/CLI-OutputFileMap.json -save-temps -no-color-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI-t.build/Objects-normal/arm64/CLI.swiftmodule -serialize-diagnostics -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI-t.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-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI-t.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-t.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-t.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-t.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-t.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-t.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-t.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-t.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-t.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-t.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-t.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-t.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')
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
2026-09-16 23:59:36.048 xcodebuild[681:4258] [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 CLI with scheme CLI
(3 failures)
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
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
2026-09-16 23:59:40.328 xcodebuild[716:4475] [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" : "CLI",
    "schemes" : [
      "CLI"
    ]
  }
}
2026-09-16 23:59:41.568 xcodebuild[724:4550] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme CLI -destination generic/platform=iOS
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.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-product' in project 'CLI'
        ➜ Explicit dependency on target 'CLI' in project 'CLI'
        ➜ Explicit dependency on target 'Strings-product' in project 'Strings'
    Target 'CLI' in project 'CLI'
        ➜ Explicit dependency on target 'Strings-product' in project 'Strings'
    Target 'Strings-product' in project 'Strings'
        ➜ Explicit dependency on target 'Strings' in project 'Strings'
    Target 'Strings' in project 'Strings' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ClangStatCache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.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-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name Strings -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings-t.build/Objects-normal/arm64/Strings.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -target arm64-apple-ios15.0 -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-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings-t.build/Objects-normal/arm64/Strings-OutputFileMap.json -save-temps -no-color-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings-t.build/Objects-normal/arm64/Strings.swiftmodule -serialize-diagnostics -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings-t.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-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Strings.build/Debug-iphoneos/Strings-t.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-t.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-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name CLI -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI-t.build/Objects-normal/arm64/CLI.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -target arm64-apple-ios15.0 -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-27.0.0-Release.Candidate.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-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI-t.build/Objects-normal/arm64/CLI-OutputFileMap.json -save-temps -no-color-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI-t.build/Objects-normal/arm64/CLI.swiftmodule -serialize-diagnostics -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI-t.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-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI-t.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-t.build/Objects-normal/arm64/CLI-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')
SwiftCompile 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
    builtin-SwiftPerFileCompile Strings+Subscript.swift
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
    builtin-SwiftPerFileCompile Strings+Validation.swift
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
    builtin-SwiftPerFileCompile Strings.swift
SwiftCompile normal arm64 Compiling\ MultiOption.swift /Users/admin/builder/spi-builder-workspace/Sources/CLI/MultiOption.swift (in target 'CLI' from project 'CLI')
/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
71 |
72 | public extension MultiOption where A: Equatable {
73 |     public func index(of element: A) -> Int? {
   |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
74 |         return values.index(of: element)
75 |     }
/Users/admin/builder/spi-builder-workspace/Sources/CLI/MultiOption.swift:52:16: error: 'subscript(_:)' is unavailable
50 |
51 |     public subscript(bounds: Range<Int>) -> Slice<[A]> {
52 |         return values[bounds]
   |                `- error: 'subscript(_:)' is unavailable
53 |     }
54 |
Swift.MutableCollection.subscript:3:21: note: 'subscript(_:)' has been explicitly marked unavailable here
1 | protocol MutableCollection {
2 | @available(*, unavailable)
3 |   @inlinable public subscript(bounds: Range<Self.Index>) -> Slice<Self> { get set }}
  |                     `- note: 'subscript(_:)' has been explicitly marked unavailable here
4 |
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.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-t.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-t.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-t.build/Objects-normal/arm64/MultiOption.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI-t.build/Objects-normal/arm64/MultiOption.dia -target arm64-apple-ios15.0 -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.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-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS27.0.sdk/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 4 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.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/iphoneos27.0-24A430-e829b21a6f8c9b70876ba0858053c04440ceaa042ed91876912b2eeea4e3aa14.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -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-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name CLI -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI-t.build/Objects-normal/arm64/CLI_const_extract_protocols.json -disable-clang-spi -target-sdk-version 27.0 -target-sdk-name iphoneos27.0 -external-plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CLI.build/Debug-iphoneos/CLI-t.build/Objects-normal/arm64/MultiOption.o -index-unit-output-path /CLI.build/Debug-iphoneos/CLI-t.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
    builtin-SwiftPerFileCompile MultiOption.swift
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
    builtin-SwiftPerFileCompile Option+Flag.swift
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
    builtin-SwiftPerFileCompile ArgumentProtocols.swift
SwiftEmitModule normal arm64 Emitting\ module\ for\ CLI (in target 'CLI' from project 'CLI')
SwiftCompile normal arm64 (in target 'CLI' from project 'CLI')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
2026-09-16 23:59:42.565 xcodebuild[725:4577] [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 CLI with scheme CLI
(3 failures)
BUILD FAILURE 6.4 iOS