Swift Package IndexBuild Information
Failed to build Lotsawa, reference v0.9.1 (019858), with Swift 6.3 for iOS using Xcode 26.4 on 13 Apr 2026 19:21:12 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Lotsawa -destination generic/platform=iOSBuild Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/hylo-lang/Lotsawa.git
Reference: v0.9.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/hylo-lang/Lotsawa
* tag v0.9.1 -> FETCH_HEAD
HEAD is now at 0198583 License with Apache 2.0
Submodule path 'paper': checked out '73b347b7e6405323a086a17ad26f5d7b85bb43dc'
Submodule 'paper' (https://github.com/jeffreykegler/Marpa-arxiv-paper) registered for path 'paper'
Cloning into '/Users/admin/builder/spi-builder-workspace/paper'...
Cloned https://github.com/hylo-lang/Lotsawa.git
Revision (git rev-parse @):
0198583791366b2e8238438f0fc67aac7bf826bc
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/hylo-lang/Lotsawa.git at v0.9.1
========================================
Build
========================================
Selected platform: iOS
Swift version: 6.3
Building package at path: $PWD
https://github.com/hylo-lang/Lotsawa.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/SwiftPackageIndex/SPIManifest.git
Fetching from https://github.com/dabrahams/citron.git
Fetching from https://github.com/jpsim/Yams.git
Creating working copy of package ‘SPIManifest’
Checking out 0.19.0 of package ‘SPIManifest’
Creating working copy of package ‘Yams’
Checking out 5.4.0 of package ‘Yams’
Creating working copy of package ‘citron’
Checking out 2.1.7 of package ‘citron’
Resolve Package Graph
Resolved source packages:
Yams: https://github.com/jpsim/Yams.git @ 5.4.0
SPIManifest: https://github.com/SwiftPackageIndex/SPIManifest.git @ 0.19.0
citron: https://github.com/dabrahams/citron.git @ 2.1.7
Lotsawa: /Users/admin/builder/spi-builder-workspace
resolved source packages: Yams, SPIManifest, citron, Lotsawa
2026-04-13 15:20:50.042 xcodebuild[539:3111] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
{
"identity" : "citron",
"requirement" : {
"range" : [
{
"lower_bound" : "2.1.0",
"upper_bound" : "3.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/dabrahams/citron.git"
},
{
"identity" : "spimanifest",
"requirement" : {
"range" : [
{
"lower_bound" : "0.12.0",
"upper_bound" : "1.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/SwiftPackageIndex/SPIManifest.git"
}
],
"manifest_display_name" : "Lotsawa",
"name" : "Lotsawa",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "10.15"
}
],
"products" : [
{
"name" : "Lotsawa",
"targets" : [
"Lotsawa"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "LotsawaTests",
"module_type" : "SwiftTarget",
"name" : "LotsawaTests",
"path" : "Tests/LotsawaTests",
"product_dependencies" : [
"CitronParserModule",
"CitronLexerModule",
"CitronParserGenerator"
],
"sources" : [
"AdjacencyMatrixTests.swift",
"BitSetTests.swift",
"ChartInternalTests.swift",
"DiscreteMapTests.swift",
"ForestTests.swift",
"GrammarInternalTests.swift",
"GrammarPreprocessing.swift",
"GrammarPreprocessingTests.swift",
"GrammarTests.swift",
"RecognizerTests.swift",
"Utils/DebugChart.swift",
"Utils/DebugForest.swift",
"Utils/DebugGrammar.swift",
"Utils/DebugGrammarScanner.swift",
"Utils/DebugRecognizer.swift",
"Utils/Incidental.swift",
"Utils/Lotsawa+Extensions.swift",
"Utils/ParseGeneration.swift",
"Utils/Swift+Extensions.swift"
],
"target_dependencies" : [
"Lotsawa"
],
"type" : "test"
},
{
"c99name" : "Lotsawa",
"module_type" : "SwiftTarget",
"name" : "Lotsawa",
"path" : "Sources/Lotsawa",
"product_memberships" : [
"Lotsawa"
],
"sources" : [
"AdjacencyMatrix.swift",
"Array+Extensions.swift",
"BitSet.swift",
"Chart.swift",
"Collection+Extensions.swift",
"DiscreteMap.swift",
"Forest.swift",
"Grammar.swift",
"ItemID.swift",
"MultiMap.swift",
"Nullability.swift",
"PreprocessedGrammar.swift",
"Recognizer.swift",
"UniqueCounter.swift"
],
"type" : "library"
}
],
"tools_version" : "5.7"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"Lotsawa"
]
}
}
2026-04-13 15:20:58.873 xcodebuild[751:4342] [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 Lotsawa -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 Lotsawa -destination generic/platform=iOS
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
SPIManifest: https://github.com/SwiftPackageIndex/SPIManifest.git @ 0.19.0
citron: https://github.com/dabrahams/citron.git @ 2.1.7
Yams: https://github.com/jpsim/Yams.git @ 5.4.0
Lotsawa: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (2 targets)
Target 'Lotsawa' in project 'Lotsawa'
➜ Explicit dependency on target 'Lotsawa' in project 'Lotsawa'
Target 'Lotsawa' in project 'Lotsawa' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 6abb5292577901795c282719d559a612
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/6abb5292577901795c282719d559a612.xcbuilddata
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
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
ClangStatCache /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/iphoneos26.4-23E237-688ef53f1462e2c8f657fdc38a81448fc1e9a37d8fcda5dee89abd67dc927a23.sdkstatcache
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-iphoneos
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-iphoneos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/PackageFrameworks
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-iphoneos/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Lotsawa.DependencyStaticMetadataFileList (in target 'Lotsawa' from project 'Lotsawa')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Lotsawa.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Lotsawa.DependencyMetadataFileList (in target 'Lotsawa' from project 'Lotsawa')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Lotsawa.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Lotsawa.modulemap (in target 'Lotsawa' from project 'Lotsawa')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Lotsawa.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa-OutputFileMap.json (in target 'Lotsawa' from project 'Lotsawa')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa.SwiftConstValuesFileList (in target 'Lotsawa' from project 'Lotsawa')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa.LinkFileList (in target 'Lotsawa' from project 'Lotsawa')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa.SwiftFileList (in target 'Lotsawa' from project 'Lotsawa')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa_const_extract_protocols.json (in target 'Lotsawa' from project 'Lotsawa')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa_const_extract_protocols.json
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos/Lotsawa.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Lotsawa.modulemap (in target 'Lotsawa' from project 'Lotsawa')
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/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Lotsawa.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-iphoneos
SwiftDriver Lotsawa normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Lotsawa' from project 'Lotsawa')
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 Lotsawa -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa.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 -profile-coverage-mapping -profile-generate -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/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa-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/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa.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/Lotsawa.build/Debug-iphoneos/Lotsawa.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa_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/Lotsawa.build/Debug-iphoneos/Lotsawa.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.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/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa-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/_SwiftConcurrencyShims-ABCXUGMOJ2Y64UUV2Y7D2BD52.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/SwiftShims-C0JBBBFU09IEE46E6SRV4Q1QE.pcm
SwiftEmitModule normal arm64 Emitting\ module\ for\ Lotsawa (in target 'Lotsawa' from project 'Lotsawa')
EmitSwiftModule normal arm64 (in target 'Lotsawa' from project 'Lotsawa')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Chart.swift:87:5: warning: '@dynamicMemberLookup' requires 'subscript(dynamicMember:)' to be as accessible as its enclosing type; this will be an error in a future Swift language mode
subscript<Target>(dynamicMember m: KeyPath<ItemID, Target>) -> Target {
^
public
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Chart.swift:121:64: error: 'some' return types are only available in iOS 13.0.0 or newer
func transitionItems(on s: Symbol, inEarleySet i: UInt32) -> some BidirectionalCollection<ItemID>
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Chart.swift:121:8: note: add '@available' attribute to enclosing instance method
func transitionItems(on s: Symbol, inEarleySet i: UInt32) -> some BidirectionalCollection<ItemID>
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Chart.swift:57:1: note: add '@available' attribute to enclosing extension
extension Chart {
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Chart.swift:142:8: error: 'some' return types are only available in iOS 13.0.0 or newer
-> some BidirectionalCollection<Entries.Index>
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Chart.swift:141:8: note: add '@available' attribute to enclosing instance method
func mainstemIndices(of x: ItemID, inEarleySet i: UInt32)
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Chart.swift:57:1: note: add '@available' attribute to enclosing extension
extension Chart {
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Chart.swift:249:8: error: 'some' return types are only available in iOS 13.0.0 or newer
-> Optional<some BidirectionalCollection<Entry>>
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Chart.swift:248:8: note: add '@available' attribute to enclosing instance method
func leoDerivations(awaiting s: Symbol, at i: SourcePosition)
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Chart.swift:245:1: note: add '@available' attribute to enclosing extension
extension Chart {
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Collection+Extensions.swift:11:40: error: 'some' return types are only available in iOS 13.0.0 or newer
func droppingAdjacentDuplicates() -> some Collection<Element>
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Collection+Extensions.swift:11:8: note: add '@available' attribute to enclosing instance method
func droppingAdjacentDuplicates() -> some Collection<Element>
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Collection+Extensions.swift:8:1: note: add '@available' attribute to enclosing extension
extension Collection where Element: Equatable {
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Collection+Extensions.swift:23:8: error: 'some' return types are only available in iOS 13.0.0 or newer
-> some BidirectionalCollection<Element>
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Collection+Extensions.swift:22:8: note: add '@available' attribute to enclosing instance method
func keepingFirstOfAdjacentDuplicates(equivalence: @escaping (Element, Element)->Bool)
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Collection+Extensions.swift:19:1: note: add '@available' attribute to enclosing extension
extension BidirectionalCollection {
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Collection+Extensions.swift:34:40: error: 'some' return types are only available in iOS 13.0.0 or newer
func droppingAdjacentDuplicates() -> some BidirectionalCollection<Element>
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Collection+Extensions.swift:34:8: note: add '@available' attribute to enclosing instance method
func droppingAdjacentDuplicates() -> some BidirectionalCollection<Element>
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Collection+Extensions.swift:31:1: note: add '@available' attribute to enclosing extension
extension BidirectionalCollection where Element: Equatable {
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Forest.swift:281:26: error: 'some' return types are only available in iOS 13.0.0 or newer
public var rhsOrigins: some BidirectionalCollection<SourcePosition> {
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Forest.swift:281:14: note: add '@available' attribute to enclosing property
public var rhsOrigins: some BidirectionalCollection<SourcePosition> {
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Forest.swift:273:1: note: add '@available' attribute to enclosing extension
extension Forest.Derivation {
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Grammar.swift:78:23: error: 'some' return types are only available in iOS 13.0.0 or newer
public var ruleIDs: some RandomAccessCollection<RuleID> {
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Grammar.swift:78:14: note: add '@available' attribute to enclosing property
public var ruleIDs: some RandomAccessCollection<RuleID> {
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Grammar.swift:64:1: note: add '@available' attribute to enclosing extension
extension Grammar {
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Grammar.swift:109:21: error: 'some' return types are only available in iOS 13.0.0 or newer
public var rules: some RandomAccessCollection<Rule> {
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Grammar.swift:109:14: note: add '@available' attribute to enclosing property
public var rules: some RandomAccessCollection<Rule> {
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Grammar.swift:64:1: note: add '@available' attribute to enclosing extension
extension Grammar {
^
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/Lotsawa/AdjacencyMatrix.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Array+Extensions.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/BitSet.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Chart.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Collection+Extensions.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/DiscreteMap.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Forest.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Grammar.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/ItemID.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/MultiMap.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Nullability.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/PreprocessedGrammar.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Recognizer.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/UniqueCounter.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/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/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa-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 -profile-generate -profile-coverage-mapping -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/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa_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/Lotsawa.build/Debug-iphoneos/Lotsawa.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/Lotsawa.build/Debug-iphoneos/Lotsawa.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Lotsawa -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/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa-primary-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa.abi.json
SwiftCompile normal arm64 Compiling\ PreprocessedGrammar.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/PreprocessedGrammar.swift (in target 'Lotsawa' from project 'Lotsawa')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/PreprocessedGrammar.swift (in target 'Lotsawa' from project 'Lotsawa')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Recognizer.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Recognizer.swift (in target 'Lotsawa' from project 'Lotsawa')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Recognizer.swift (in target 'Lotsawa' from project 'Lotsawa')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Nullability.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Nullability.swift (in target 'Lotsawa' from project 'Lotsawa')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Nullability.swift (in target 'Lotsawa' from project 'Lotsawa')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ UniqueCounter.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/UniqueCounter.swift (in target 'Lotsawa' from project 'Lotsawa')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/UniqueCounter.swift (in target 'Lotsawa' from project 'Lotsawa')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ ItemID.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/ItemID.swift (in target 'Lotsawa' from project 'Lotsawa')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/ItemID.swift (in target 'Lotsawa' from project 'Lotsawa')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Forest.swift,\ Grammar.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Forest.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Grammar.swift (in target 'Lotsawa' from project 'Lotsawa')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Forest.swift (in target 'Lotsawa' from project 'Lotsawa')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Grammar.swift (in target 'Lotsawa' from project 'Lotsawa')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ BitSet.swift,\ Chart.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/BitSet.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Chart.swift (in target 'Lotsawa' from project 'Lotsawa')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/BitSet.swift (in target 'Lotsawa' from project 'Lotsawa')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Chart.swift (in target 'Lotsawa' from project 'Lotsawa')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ MultiMap.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/MultiMap.swift (in target 'Lotsawa' from project 'Lotsawa')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/MultiMap.swift (in target 'Lotsawa' from project 'Lotsawa')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Collection+Extensions.swift,\ DiscreteMap.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Collection+Extensions.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/DiscreteMap.swift (in target 'Lotsawa' from project 'Lotsawa')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Collection+Extensions.swift (in target 'Lotsawa' from project 'Lotsawa')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/DiscreteMap.swift (in target 'Lotsawa' from project 'Lotsawa')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ AdjacencyMatrix.swift,\ Array+Extensions.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/AdjacencyMatrix.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Array+Extensions.swift (in target 'Lotsawa' from project 'Lotsawa')
2026-04-13 15:21:02.388 xcodebuild[761:4430] [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 'Lotsawa' from project 'Lotsawa')
SwiftEmitModule normal arm64 Emitting\ module\ for\ Lotsawa (in target 'Lotsawa' from project 'Lotsawa')
Building workspace spi-builder-workspace with scheme Lotsawa
(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:
Lotsawa: /Users/admin/builder/spi-builder-workspace
Yams: https://github.com/jpsim/Yams.git @ 5.4.0
SPIManifest: https://github.com/SwiftPackageIndex/SPIManifest.git @ 0.19.0
citron: https://github.com/dabrahams/citron.git @ 2.1.7
resolved source packages: Lotsawa, Yams, SPIManifest, citron
2026-04-13 15:21:08.914 xcodebuild[843:4949] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
{
"identity" : "citron",
"requirement" : {
"range" : [
{
"lower_bound" : "2.1.0",
"upper_bound" : "3.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/dabrahams/citron.git"
},
{
"identity" : "spimanifest",
"requirement" : {
"range" : [
{
"lower_bound" : "0.12.0",
"upper_bound" : "1.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/SwiftPackageIndex/SPIManifest.git"
}
],
"manifest_display_name" : "Lotsawa",
"name" : "Lotsawa",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "10.15"
}
],
"products" : [
{
"name" : "Lotsawa",
"targets" : [
"Lotsawa"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "LotsawaTests",
"module_type" : "SwiftTarget",
"name" : "LotsawaTests",
"path" : "Tests/LotsawaTests",
"product_dependencies" : [
"CitronParserModule",
"CitronLexerModule",
"CitronParserGenerator"
],
"sources" : [
"AdjacencyMatrixTests.swift",
"BitSetTests.swift",
"ChartInternalTests.swift",
"DiscreteMapTests.swift",
"ForestTests.swift",
"GrammarInternalTests.swift",
"GrammarPreprocessing.swift",
"GrammarPreprocessingTests.swift",
"GrammarTests.swift",
"RecognizerTests.swift",
"Utils/DebugChart.swift",
"Utils/DebugForest.swift",
"Utils/DebugGrammar.swift",
"Utils/DebugGrammarScanner.swift",
"Utils/DebugRecognizer.swift",
"Utils/Incidental.swift",
"Utils/Lotsawa+Extensions.swift",
"Utils/ParseGeneration.swift",
"Utils/Swift+Extensions.swift"
],
"target_dependencies" : [
"Lotsawa"
],
"type" : "test"
},
{
"c99name" : "Lotsawa",
"module_type" : "SwiftTarget",
"name" : "Lotsawa",
"path" : "Sources/Lotsawa",
"product_memberships" : [
"Lotsawa"
],
"sources" : [
"AdjacencyMatrix.swift",
"Array+Extensions.swift",
"BitSet.swift",
"Chart.swift",
"Collection+Extensions.swift",
"DiscreteMap.swift",
"Forest.swift",
"Grammar.swift",
"ItemID.swift",
"MultiMap.swift",
"Nullability.swift",
"PreprocessedGrammar.swift",
"Recognizer.swift",
"UniqueCounter.swift"
],
"type" : "library"
}
],
"tools_version" : "5.7"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"Lotsawa"
]
}
}
2026-04-13 15:21:10.527 xcodebuild[863:5100] [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 Lotsawa -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 Lotsawa -destination generic/platform=iOS
Resolve Package Graph
Resolved source packages:
citron: https://github.com/dabrahams/citron.git @ 2.1.7
SPIManifest: https://github.com/SwiftPackageIndex/SPIManifest.git @ 0.19.0
Lotsawa: /Users/admin/builder/spi-builder-workspace
Yams: https://github.com/jpsim/Yams.git @ 5.4.0
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (2 targets)
Target 'Lotsawa' in project 'Lotsawa'
➜ Explicit dependency on target 'Lotsawa' in project 'Lotsawa'
Target 'Lotsawa' in project 'Lotsawa' (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 Lotsawa normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Lotsawa' from project 'Lotsawa')
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 Lotsawa -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa.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 -profile-coverage-mapping -profile-generate -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/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa-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/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa.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/Lotsawa.build/Debug-iphoneos/Lotsawa.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa_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/Lotsawa.build/Debug-iphoneos/Lotsawa.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.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/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ BitSet.swift,\ Chart.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/BitSet.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Chart.swift (in target 'Lotsawa' from project 'Lotsawa')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/BitSet.swift (in target 'Lotsawa' from project 'Lotsawa')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Chart.swift (in target 'Lotsawa' from project 'Lotsawa')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ AdjacencyMatrix.swift,\ Array+Extensions.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/AdjacencyMatrix.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Array+Extensions.swift (in target 'Lotsawa' from project 'Lotsawa')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/AdjacencyMatrix.swift (in target 'Lotsawa' from project 'Lotsawa')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Array+Extensions.swift (in target 'Lotsawa' from project 'Lotsawa')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ ItemID.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/ItemID.swift (in target 'Lotsawa' from project 'Lotsawa')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/ItemID.swift (in target 'Lotsawa' from project 'Lotsawa')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Collection+Extensions.swift,\ DiscreteMap.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Collection+Extensions.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/DiscreteMap.swift (in target 'Lotsawa' from project 'Lotsawa')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Collection+Extensions.swift (in target 'Lotsawa' from project 'Lotsawa')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/DiscreteMap.swift (in target 'Lotsawa' from project 'Lotsawa')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ MultiMap.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/MultiMap.swift (in target 'Lotsawa' from project 'Lotsawa')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/MultiMap.swift (in target 'Lotsawa' from project 'Lotsawa')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Recognizer.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Recognizer.swift (in target 'Lotsawa' from project 'Lotsawa')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Recognizer.swift (in target 'Lotsawa' from project 'Lotsawa')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ PreprocessedGrammar.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/PreprocessedGrammar.swift (in target 'Lotsawa' from project 'Lotsawa')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/PreprocessedGrammar.swift (in target 'Lotsawa' from project 'Lotsawa')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ UniqueCounter.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/UniqueCounter.swift (in target 'Lotsawa' from project 'Lotsawa')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/UniqueCounter.swift (in target 'Lotsawa' from project 'Lotsawa')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Nullability.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Nullability.swift (in target 'Lotsawa' from project 'Lotsawa')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Nullability.swift (in target 'Lotsawa' from project 'Lotsawa')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftEmitModule normal arm64 Emitting\ module\ for\ Lotsawa (in target 'Lotsawa' from project 'Lotsawa')
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/Lotsawa/AdjacencyMatrix.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Array+Extensions.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/BitSet.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Chart.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Collection+Extensions.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/DiscreteMap.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Forest.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Grammar.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/ItemID.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/MultiMap.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Nullability.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/PreprocessedGrammar.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Recognizer.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/UniqueCounter.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/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/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa-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 -profile-generate -profile-coverage-mapping -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/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa_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/Lotsawa.build/Debug-iphoneos/Lotsawa.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/Lotsawa.build/Debug-iphoneos/Lotsawa.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Lotsawa -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/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa-primary-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Lotsawa.build/Debug-iphoneos/Lotsawa.build/Objects-normal/arm64/Lotsawa.abi.json
EmitSwiftModule normal arm64 (in target 'Lotsawa' from project 'Lotsawa')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Chart.swift:87:5: warning: '@dynamicMemberLookup' requires 'subscript(dynamicMember:)' to be as accessible as its enclosing type; this will be an error in a future Swift language mode
subscript<Target>(dynamicMember m: KeyPath<ItemID, Target>) -> Target {
^
public
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Chart.swift:121:64: error: 'some' return types are only available in iOS 13.0.0 or newer
func transitionItems(on s: Symbol, inEarleySet i: UInt32) -> some BidirectionalCollection<ItemID>
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Chart.swift:121:8: note: add '@available' attribute to enclosing instance method
func transitionItems(on s: Symbol, inEarleySet i: UInt32) -> some BidirectionalCollection<ItemID>
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Chart.swift:57:1: note: add '@available' attribute to enclosing extension
extension Chart {
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Chart.swift:142:8: error: 'some' return types are only available in iOS 13.0.0 or newer
-> some BidirectionalCollection<Entries.Index>
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Chart.swift:141:8: note: add '@available' attribute to enclosing instance method
func mainstemIndices(of x: ItemID, inEarleySet i: UInt32)
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Chart.swift:57:1: note: add '@available' attribute to enclosing extension
extension Chart {
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Chart.swift:249:8: error: 'some' return types are only available in iOS 13.0.0 or newer
-> Optional<some BidirectionalCollection<Entry>>
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Chart.swift:248:8: note: add '@available' attribute to enclosing instance method
func leoDerivations(awaiting s: Symbol, at i: SourcePosition)
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Chart.swift:245:1: note: add '@available' attribute to enclosing extension
extension Chart {
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Collection+Extensions.swift:11:40: error: 'some' return types are only available in iOS 13.0.0 or newer
func droppingAdjacentDuplicates() -> some Collection<Element>
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Collection+Extensions.swift:11:8: note: add '@available' attribute to enclosing instance method
func droppingAdjacentDuplicates() -> some Collection<Element>
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Collection+Extensions.swift:8:1: note: add '@available' attribute to enclosing extension
extension Collection where Element: Equatable {
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Collection+Extensions.swift:23:8: error: 'some' return types are only available in iOS 13.0.0 or newer
-> some BidirectionalCollection<Element>
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Collection+Extensions.swift:22:8: note: add '@available' attribute to enclosing instance method
func keepingFirstOfAdjacentDuplicates(equivalence: @escaping (Element, Element)->Bool)
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Collection+Extensions.swift:19:1: note: add '@available' attribute to enclosing extension
extension BidirectionalCollection {
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Collection+Extensions.swift:34:40: error: 'some' return types are only available in iOS 13.0.0 or newer
func droppingAdjacentDuplicates() -> some BidirectionalCollection<Element>
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Collection+Extensions.swift:34:8: note: add '@available' attribute to enclosing instance method
func droppingAdjacentDuplicates() -> some BidirectionalCollection<Element>
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Collection+Extensions.swift:31:1: note: add '@available' attribute to enclosing extension
extension BidirectionalCollection where Element: Equatable {
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Forest.swift:281:26: error: 'some' return types are only available in iOS 13.0.0 or newer
public var rhsOrigins: some BidirectionalCollection<SourcePosition> {
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Forest.swift:281:14: note: add '@available' attribute to enclosing property
public var rhsOrigins: some BidirectionalCollection<SourcePosition> {
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Forest.swift:273:1: note: add '@available' attribute to enclosing extension
extension Forest.Derivation {
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Grammar.swift:78:23: error: 'some' return types are only available in iOS 13.0.0 or newer
public var ruleIDs: some RandomAccessCollection<RuleID> {
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Grammar.swift:78:14: note: add '@available' attribute to enclosing property
public var ruleIDs: some RandomAccessCollection<RuleID> {
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Grammar.swift:64:1: note: add '@available' attribute to enclosing extension
extension Grammar {
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Grammar.swift:109:21: error: 'some' return types are only available in iOS 13.0.0 or newer
public var rules: some RandomAccessCollection<Rule> {
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Grammar.swift:109:14: note: add '@available' attribute to enclosing property
public var rules: some RandomAccessCollection<Rule> {
^
/Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Grammar.swift:64:1: note: add '@available' attribute to enclosing extension
extension Grammar {
^
SwiftCompile normal arm64 Compiling\ Forest.swift,\ Grammar.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Forest.swift /Users/admin/builder/spi-builder-workspace/Sources/Lotsawa/Grammar.swift (in target 'Lotsawa' from project 'Lotsawa')
2026-04-13 15:21:11.916 xcodebuild[869:5150] [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\ Lotsawa (in target 'Lotsawa' from project 'Lotsawa')
EmitSwiftModule normal arm64 (in target 'Lotsawa' from project 'Lotsawa')
Building workspace spi-builder-workspace with scheme Lotsawa
(3 failures)
BUILD FAILURE 6.3 iOS