Swift Package IndexBuild Information
Failed to build Doubles, reference main (eb7677), with Swift 6.3 for iOS using Xcode 26.4 on 15 Apr 2026 04:30:17 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Doubles -destination generic/platform=iOSBuild Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/mgriebling/Doubles.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/mgriebling/Doubles
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at eb76771 Another update.
Cloned https://github.com/mgriebling/Doubles.git
Revision (git rev-parse @):
eb76771a1381ada727bff816d665bbf6c1d1638c
SUCCESS checkout https://github.com/mgriebling/Doubles.git at main
========================================
Build
========================================
Selected platform: iOS
Swift version: 6.3
Building package at path: $PWD
https://github.com/mgriebling/Doubles.git
Command line invocation:
/Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/apple/swift-docc-plugin
Fetching from https://github.com/swiftlang/swift-docc-symbolkit
Creating working copy of package ‘swift-docc-plugin’
Checking out 1.4.6 of package ‘swift-docc-plugin’
Creating working copy of package ‘swift-docc-symbolkit’
Checking out 1.0.0 of package ‘swift-docc-symbolkit’
Resolve Package Graph
Resolved source packages:
Doubles: /Users/admin/builder/spi-builder-workspace
SwiftDocCPlugin: https://github.com/apple/swift-docc-plugin @ 1.4.6
SymbolKit: https://github.com/swiftlang/swift-docc-symbolkit @ 1.0.0
resolved source packages: Doubles, SwiftDocCPlugin, SymbolKit
2026-04-15 00:28:50.574 xcodebuild[525:3014] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-04-15 00:28:50.690 xcodebuild[525:3014] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-04-15 00:28:50.796 xcodebuild[525:3014] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
{
"identity" : "swift-docc-plugin",
"requirement" : {
"range" : [
{
"lower_bound" : "1.0.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-docc-plugin"
}
],
"manifest_display_name" : "Doubles",
"name" : "Doubles",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "Doubles",
"targets" : [
"Doubles"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "DoublesTests",
"module_type" : "SwiftTarget",
"name" : "DoublesTests",
"path" : "Tests/DoublesTests",
"sources" : [
"DoublesTests.swift"
],
"target_dependencies" : [
"Doubles"
],
"type" : "test"
},
{
"c99name" : "Doubles",
"module_type" : "SwiftTarget",
"name" : "Doubles",
"path" : "Sources/Doubles",
"product_memberships" : [
"Doubles"
],
"sources" : [
"Common.swift",
"DDouble.swift",
"QDouble.swift",
"String+Char.swift"
],
"type" : "library"
}
],
"tools_version" : "5.6"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"Doubles"
]
}
}
2026-04-15 00:29:28.633 xcodebuild[793:4687] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-04-15 00:29:28.737 xcodebuild[793:4687] [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 Doubles -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 Doubles -destination generic/platform=iOS
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
SymbolKit: https://github.com/swiftlang/swift-docc-symbolkit @ 1.0.0
Doubles: /Users/admin/builder/spi-builder-workspace
SwiftDocCPlugin: https://github.com/apple/swift-docc-plugin @ 1.4.6
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (3 targets)
Target 'DoublesTests' in project 'Doubles'
➜ Explicit dependency on target 'Doubles' in project 'Doubles'
Target 'Doubles' in project 'Doubles'
➜ Explicit dependency on target 'Doubles' in project 'Doubles'
Target 'Doubles' in project 'Doubles' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ReadFileContents /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/share/docc/features.json
Build description signature: b1c55fde4ad173ded9657d170daa5749
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/b1c55fde4ad173ded9657d170daa5749.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/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/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/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/Doubles.build/Debug-iphoneos/Doubles.build/Doubles.modulemap (in target 'Doubles' from project 'Doubles')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Doubles.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/DoublesTests.build/empty-DoublesTests.plist (in target 'DoublesTests' from project 'Doubles')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/DoublesTests.build/empty-DoublesTests.plist
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles.SwiftConstValuesFileList (in target 'Doubles' from project 'Doubles')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles_const_extract_protocols.json (in target 'Doubles' from project 'Doubles')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles-OutputFileMap.json (in target 'Doubles' from project 'Doubles')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/DoublesTests.build/Objects-normal/arm64/DoublesTests_const_extract_protocols.json (in target 'DoublesTests' from project 'Doubles')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/DoublesTests.build/Objects-normal/arm64/DoublesTests_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/DoublesTests.build/Objects-normal/arm64/DoublesTests.SwiftConstValuesFileList (in target 'DoublesTests' from project 'Doubles')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/DoublesTests.build/Objects-normal/arm64/DoublesTests.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/DoublesTests.build/Objects-normal/arm64/DoublesTests.SwiftFileList (in target 'DoublesTests' from project 'Doubles')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/DoublesTests.build/Objects-normal/arm64/DoublesTests.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/DoublesTests.build/Objects-normal/arm64/DoublesTests.LinkFileList (in target 'DoublesTests' from project 'Doubles')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/DoublesTests.build/Objects-normal/arm64/DoublesTests.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/DoublesTests.build/Objects-normal/arm64/DoublesTests-OutputFileMap.json (in target 'DoublesTests' from project 'Doubles')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/DoublesTests.build/Objects-normal/arm64/DoublesTests-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/DoublesTests.build/DoublesTests.DependencyStaticMetadataFileList (in target 'DoublesTests' from project 'Doubles')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/DoublesTests.build/DoublesTests.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles.SwiftFileList (in target 'Doubles' from project 'Doubles')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/DoublesTests.build/DoublesTests.DependencyMetadataFileList (in target 'DoublesTests' from project 'Doubles')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/DoublesTests.build/DoublesTests.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles.LinkFileList (in target 'Doubles' from project 'Doubles')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Doubles.DependencyStaticMetadataFileList (in target 'Doubles' from project 'Doubles')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Doubles.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Doubles.DependencyMetadataFileList (in target 'Doubles' from project 'Doubles')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Doubles.DependencyMetadataFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos/Doubles.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Doubles.modulemap (in target 'Doubles' from project 'Doubles')
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/Doubles.build/Debug-iphoneos/Doubles.build/Doubles.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos
MkDir /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/DoublesTests.xctest (in target 'DoublesTests' from project 'Doubles')
cd /Users/admin/builder/spi-builder-workspace
/bin/mkdir -p /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/DoublesTests.xctest
SwiftDriver Doubles normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Doubles' from project 'Doubles')
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 Doubles -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles.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 5 -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/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles.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/Doubles.build/Debug-iphoneos/Doubles.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles_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/Doubles.build/Debug-iphoneos/Doubles.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.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/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stdbool-2F1TLFMIYG87O875XOW4JCA6I.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_SwiftConcurrencyShims-ABCXUGMOJ2Y64UUV2Y7D2BD52.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stdarg-CZOEYK3ZE2H1GST2SXCKMSTI4.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_AvailabilityInternal-1UZ3PIGWNYDWKO4RKG8JKGDXH.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/ptrauth-565O5PP7IF1NUBR8VGC9KQ0XG.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/ptrcheck-6TPSIDWYXNBLA4R5K8WO4R1U6.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_float-87Z1ZXO1ICF314KKACY4HUBK8.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/SwiftShims-C0JBBBFU09IEE46E6SRV4Q1QE.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stddef-AZAOCK6F554MUZT32IVY0H9WU.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_DarwinFoundation1-E112WBJLCCO8YEVKIIBLN111E.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_DarwinFoundation2-55R05UJ9OP6J0GUVQKCQ2JUC.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_limits-B5BWU00VOG61G9AOF4IRYMH7A.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_tgmath-7B0982Q6MLVXSQ78X3N07E0DK.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stdint-LW1ODH1EVGGYB87QNC42IG3E.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/sys_types-CYVQLRLX0Z4HW57ZNJUKP0MPX.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_intrinsics-5SJHMOKLYARC4395W6K72I0KP.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_DarwinFoundation3-EQZFBWWVW9KW6E3F3SNFCNB8N.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_inttypes-BDFY0PWTCHRDMSGRRHNEC420M.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Darwin-6EJIDGUP97A8AUBH8E5VMWPHN.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/simd-AZZ9ECOQGW9T7SORXXCLAG8SJ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/ObjectiveC-E9HS3HMP78PJ6KGCPCKFUCUBA.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/os_object-CFY74N2OU9RJXSMJ80ALF0EW3.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/os_workgroup-C3D2CJ2NKDTWICORJSTRT3B20.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Dispatch-CTU02QJ91OX1WXBASR1DGMARP.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/XPC-85I3RD01DX6QDC0BOAFJC79GO.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CoreFoundation-BV2K5A80R7QF72PPJ2AL4LEFT.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CFNetwork-2P43PJ5IH1F1FN66X6INYLBXN.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Security-55WQ5LB8ULK9Q3XB2SZOSNU4U.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Foundation-3HBCW452KADHV2JHDSQSLVUIK.pcm
SwiftEmitModule normal arm64 Emitting\ module\ for\ Doubles (in target 'Doubles' from project 'Doubles')
EmitSwiftModule normal arm64 (in target 'Doubles' from project 'Doubles')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:602:103: error: ambiguous use of operator '<'
@inlinable static public func < (a: QDouble, b: Double) -> Bool { a[0] < b || (a[0] == b && a[1] < 0.0) }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:427:24: note: found this candidate
public static func < (_ a:Double, _ b:DDouble) -> Bool { a < b.x[0] || (a == b.x[0] && b.x[1] > 0.0) }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:603:35: note: found this candidate
@inlinable static public func < (a: Double, b: QDouble) -> Bool { b > a }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:604:142: error: ambiguous use of operator '<'
@inlinable static public func < (a: QDouble, b: DDouble) -> Bool { a[0] < b.hi || (a[0] == b.hi && (a[1] < b.lo || (a[1] == b.lo && a[2] < 0.0))) }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:427:24: note: found this candidate
public static func < (_ a:Double, _ b:DDouble) -> Bool { a < b.x[0] || (a == b.x[0] && b.x[1] > 0.0) }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:603:35: note: found this candidate
@inlinable static public func < (a: Double, b: QDouble) -> Bool { b > a }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:608:103: error: ambiguous use of operator '>'
@inlinable static public func > (a: QDouble, b: Double) -> Bool { a[0] > b || (a[0] == b && a[1] > 0.0) }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:432:24: note: found this candidate
public static func > ( _ a:Double, _ b:DDouble) -> Bool { a > b.x[0] || (a == b.x[0] && b.x[1] < 0.0) }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:609:35: note: found this candidate
@inlinable static public func > (a: Double, b: QDouble) -> Bool { b < a }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:610:142: error: ambiguous use of operator '>'
@inlinable static public func > (a: QDouble, b: DDouble) -> Bool { a[0] > b.hi || (a[0] == b.hi && (a[1] > b.lo || (a[1] == b.lo && a[2] > 0.0))) }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:432:24: note: found this candidate
public static func > ( _ a:Double, _ b:DDouble) -> Bool { a > b.x[0] || (a == b.x[0] && b.x[1] < 0.0) }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:609:35: note: found this candidate
@inlinable static public func > (a: Double, b: QDouble) -> Bool { b < a }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:629:51: error: ambiguous use of operator '>'
@inlinable public var isPositive: Bool { x[0] > 0.0 }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:432:24: note: found this candidate
public static func > ( _ a:Double, _ b:DDouble) -> Bool { a > b.x[0] || (a == b.x[0] && b.x[1] < 0.0) }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:609:35: note: found this candidate
@inlinable static public func > (a: Double, b: QDouble) -> Bool { b < a }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:630:51: error: ambiguous use of operator '<'
@inlinable public var isNegative: Bool { x[0] < 0.0 }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:427:24: note: found this candidate
public static func < (_ a:Double, _ b:DDouble) -> Bool { a < b.x[0] || (a == b.x[0] && b.x[1] > 0.0) }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:603:35: note: found this candidate
@inlinable static public func < (a: Double, b: QDouble) -> Bool { b > a }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:2128:71: error: ambiguous use of operator '<'
@inlinable static public func abs(_ a: QDouble) -> QDouble { a[0] < 0.0 ? -a : a }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:427:24: note: found this candidate
public static func < (_ a:Double, _ b:DDouble) -> Bool { a < b.x[0] || (a == b.x[0] && b.x[1] > 0.0) }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:603:35: note: found this candidate
@inlinable static public func < (a: Double, b: QDouble) -> Bool { b > a }
^
Failed frontend command:
/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/Sources/Doubles/Common.swift /Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift /Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift /Users/admin/builder/spi-builder-workspace/Sources/Doubles/String+Char.swift -target arm64-apple-ios12.0 -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles-dependencies-1.json -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 -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/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -swift-version 5 -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/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -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/Doubles.build/Debug-iphoneos/Doubles.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/Doubles.build/Debug-iphoneos/Doubles.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Doubles -frontend-parseable-output -disable-clang-spi -clang-target arm64-apple-ios26.4 -target-sdk-version 26.4 -target-sdk-name iphoneos26.4 -in-process-plugin-server-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles-primary-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles.abi.json
SwiftCompile normal arm64 Compiling\ String+Char.swift /Users/admin/builder/spi-builder-workspace/Sources/Doubles/String+Char.swift (in target 'Doubles' from project 'Doubles')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Doubles/String+Char.swift (in target 'Doubles' from project 'Doubles')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ QDouble.swift /Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift (in target 'Doubles' from project 'Doubles')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift (in target 'Doubles' from project 'Doubles')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ DDouble.swift /Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift (in target 'Doubles' from project 'Doubles')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift (in target 'Doubles' from project 'Doubles')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Common.swift /Users/admin/builder/spi-builder-workspace/Sources/Doubles/Common.swift (in target 'Doubles' from project 'Doubles')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Doubles/Common.swift (in target 'Doubles' from project 'Doubles')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
2026-04-15 00:29:36.901 xcodebuild[887:5358] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-04-15 00:29:37.009 xcodebuild[887:5358] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
EmitSwiftModule normal arm64 (in target 'Doubles' from project 'Doubles')
SwiftEmitModule normal arm64 Emitting\ module\ for\ Doubles (in target 'Doubles' from project 'Doubles')
Building workspace spi-builder-workspace with scheme Doubles
(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:
SymbolKit: https://github.com/swiftlang/swift-docc-symbolkit @ 1.0.0
SwiftDocCPlugin: https://github.com/apple/swift-docc-plugin @ 1.4.6
Doubles: /Users/admin/builder/spi-builder-workspace
resolved source packages: SymbolKit, SwiftDocCPlugin, Doubles
2026-04-15 00:29:55.946 xcodebuild[1076:6492] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-04-15 00:29:56.050 xcodebuild[1076:6492] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
{
"identity" : "swift-docc-plugin",
"requirement" : {
"range" : [
{
"lower_bound" : "1.0.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-docc-plugin"
}
],
"manifest_display_name" : "Doubles",
"name" : "Doubles",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "Doubles",
"targets" : [
"Doubles"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "DoublesTests",
"module_type" : "SwiftTarget",
"name" : "DoublesTests",
"path" : "Tests/DoublesTests",
"sources" : [
"DoublesTests.swift"
],
"target_dependencies" : [
"Doubles"
],
"type" : "test"
},
{
"c99name" : "Doubles",
"module_type" : "SwiftTarget",
"name" : "Doubles",
"path" : "Sources/Doubles",
"product_memberships" : [
"Doubles"
],
"sources" : [
"Common.swift",
"DDouble.swift",
"QDouble.swift",
"String+Char.swift"
],
"type" : "library"
}
],
"tools_version" : "5.6"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"Doubles"
]
}
}
2026-04-15 00:30:03.459 xcodebuild[1135:6913] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-04-15 00:30:03.566 xcodebuild[1135:6913] [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 Doubles -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 Doubles -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
SymbolKit: https://github.com/swiftlang/swift-docc-symbolkit @ 1.0.0
Doubles: /Users/admin/builder/spi-builder-workspace
SwiftDocCPlugin: https://github.com/apple/swift-docc-plugin @ 1.4.6
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (3 targets)
Target 'DoublesTests' in project 'Doubles'
➜ Explicit dependency on target 'Doubles' in project 'Doubles'
Target 'Doubles' in project 'Doubles'
➜ Explicit dependency on target 'Doubles' in project 'Doubles'
Target 'Doubles' in project 'Doubles' (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 Doubles normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Doubles' from project 'Doubles')
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 Doubles -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles.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 5 -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/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles.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/Doubles.build/Debug-iphoneos/Doubles.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles_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/Doubles.build/Debug-iphoneos/Doubles.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.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/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ QDouble.swift /Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift (in target 'Doubles' from project 'Doubles')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift (in target 'Doubles' from project 'Doubles')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Common.swift /Users/admin/builder/spi-builder-workspace/Sources/Doubles/Common.swift (in target 'Doubles' from project 'Doubles')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Doubles/Common.swift (in target 'Doubles' from project 'Doubles')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftEmitModule normal arm64 Emitting\ module\ for\ Doubles (in target 'Doubles' from project 'Doubles')
Failed frontend command:
/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/Sources/Doubles/Common.swift /Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift /Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift /Users/admin/builder/spi-builder-workspace/Sources/Doubles/String+Char.swift -target arm64-apple-ios12.0 -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles-dependencies-1.json -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 -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/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -swift-version 5 -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/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -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/Doubles.build/Debug-iphoneos/Doubles.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/Doubles.build/Debug-iphoneos/Doubles.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Doubles -frontend-parseable-output -disable-clang-spi -clang-target arm64-apple-ios26.4 -target-sdk-version 26.4 -target-sdk-name iphoneos26.4 -in-process-plugin-server-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles-primary-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Doubles.build/Debug-iphoneos/Doubles.build/Objects-normal/arm64/Doubles.abi.json
EmitSwiftModule normal arm64 (in target 'Doubles' from project 'Doubles')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:602:103: error: ambiguous use of operator '<'
@inlinable static public func < (a: QDouble, b: Double) -> Bool { a[0] < b || (a[0] == b && a[1] < 0.0) }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:427:24: note: found this candidate
public static func < (_ a:Double, _ b:DDouble) -> Bool { a < b.x[0] || (a == b.x[0] && b.x[1] > 0.0) }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:603:35: note: found this candidate
@inlinable static public func < (a: Double, b: QDouble) -> Bool { b > a }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:604:142: error: ambiguous use of operator '<'
@inlinable static public func < (a: QDouble, b: DDouble) -> Bool { a[0] < b.hi || (a[0] == b.hi && (a[1] < b.lo || (a[1] == b.lo && a[2] < 0.0))) }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:427:24: note: found this candidate
public static func < (_ a:Double, _ b:DDouble) -> Bool { a < b.x[0] || (a == b.x[0] && b.x[1] > 0.0) }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:603:35: note: found this candidate
@inlinable static public func < (a: Double, b: QDouble) -> Bool { b > a }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:608:103: error: ambiguous use of operator '>'
@inlinable static public func > (a: QDouble, b: Double) -> Bool { a[0] > b || (a[0] == b && a[1] > 0.0) }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:432:24: note: found this candidate
public static func > ( _ a:Double, _ b:DDouble) -> Bool { a > b.x[0] || (a == b.x[0] && b.x[1] < 0.0) }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:609:35: note: found this candidate
@inlinable static public func > (a: Double, b: QDouble) -> Bool { b < a }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:610:142: error: ambiguous use of operator '>'
@inlinable static public func > (a: QDouble, b: DDouble) -> Bool { a[0] > b.hi || (a[0] == b.hi && (a[1] > b.lo || (a[1] == b.lo && a[2] > 0.0))) }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:432:24: note: found this candidate
public static func > ( _ a:Double, _ b:DDouble) -> Bool { a > b.x[0] || (a == b.x[0] && b.x[1] < 0.0) }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:609:35: note: found this candidate
@inlinable static public func > (a: Double, b: QDouble) -> Bool { b < a }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:629:51: error: ambiguous use of operator '>'
@inlinable public var isPositive: Bool { x[0] > 0.0 }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:432:24: note: found this candidate
public static func > ( _ a:Double, _ b:DDouble) -> Bool { a > b.x[0] || (a == b.x[0] && b.x[1] < 0.0) }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:609:35: note: found this candidate
@inlinable static public func > (a: Double, b: QDouble) -> Bool { b < a }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:630:51: error: ambiguous use of operator '<'
@inlinable public var isNegative: Bool { x[0] < 0.0 }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:427:24: note: found this candidate
public static func < (_ a:Double, _ b:DDouble) -> Bool { a < b.x[0] || (a == b.x[0] && b.x[1] > 0.0) }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:603:35: note: found this candidate
@inlinable static public func < (a: Double, b: QDouble) -> Bool { b > a }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:2128:71: error: ambiguous use of operator '<'
@inlinable static public func abs(_ a: QDouble) -> QDouble { a[0] < 0.0 ? -a : a }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift:427:24: note: found this candidate
public static func < (_ a:Double, _ b:DDouble) -> Bool { a < b.x[0] || (a == b.x[0] && b.x[1] > 0.0) }
^
/Users/admin/builder/spi-builder-workspace/Sources/Doubles/QDouble.swift:603:35: note: found this candidate
@inlinable static public func < (a: Double, b: QDouble) -> Bool { b > a }
^
SwiftCompile normal arm64 Compiling\ DDouble.swift /Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift (in target 'Doubles' from project 'Doubles')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Doubles/DDouble.swift (in target 'Doubles' from project 'Doubles')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ String+Char.swift /Users/admin/builder/spi-builder-workspace/Sources/Doubles/String+Char.swift (in target 'Doubles' from project 'Doubles')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Doubles/String+Char.swift (in target 'Doubles' from project 'Doubles')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
2026-04-15 00:30:10.302 xcodebuild[1188:7273] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-04-15 00:30:10.407 xcodebuild[1188:7273] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
SwiftEmitModule normal arm64 Emitting\ module\ for\ Doubles (in target 'Doubles' from project 'Doubles')
EmitSwiftModule normal arm64 (in target 'Doubles' from project 'Doubles')
Building workspace spi-builder-workspace with scheme Doubles
(3 failures)
BUILD FAILURE 6.3 iOS