Swift Package IndexBuild Information
Failed to build Parsey, reference master (bcc927), with Swift 6.3 for visionOS using Xcode 26.4 on 21 Apr 2026 07:06:00 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Parsey -destination generic/platform=xrOSBuild Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/rxwei/parsey.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/rxwei/parsey
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at bcc9279 Make compile with Swift 4.2.
Cloned https://github.com/rxwei/parsey.git
Revision (git rev-parse @):
bcc927948f454a29cb7a8177e3c17a2fdb233e68
SUCCESS checkout https://github.com/rxwei/parsey.git at master
========================================
Build
========================================
Selected platform: visionOS
Swift version: 6.3
Building package at path: $PWD
https://github.com/rxwei/parsey.git
Command line invocation:
/Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
Parsey: /Users/admin/builder/spi-builder-workspace
resolved source packages: Parsey
2026-04-21 03:05:42.147 xcodebuild[525:3005] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
],
"manifest_display_name" : "Parsey",
"name" : "Parsey",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "Parsey",
"targets" : [
"Parsey"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "ParseyTests",
"module_type" : "SwiftTarget",
"name" : "ParseyTests",
"path" : "Tests/ParseyTests",
"sources" : [
"ParseyTests.swift"
],
"target_dependencies" : [
"Parsey"
],
"type" : "test"
},
{
"c99name" : "Parsey",
"module_type" : "SwiftTarget",
"name" : "Parsey",
"path" : "Sources/Parsey",
"product_memberships" : [
"Parsey"
],
"sources" : [
"Array.swift",
"Associable.swift",
"Collection.swift",
"Combinators.swift",
"Error.swift",
"Function.swift",
"Lexer.swift",
"Location.swift",
"Mappable.swift",
"Numeric.swift",
"Operators.swift",
"Optional.swift",
"Parser.swift",
"Reducible.swift",
"Sequence.swift",
"Set.swift"
],
"type" : "library"
}
],
"tools_version" : "4.0"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"Parsey"
]
}
}
2026-04-21 03:05:49.894 xcodebuild[625:3767] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Parsey -destination generic/platform=xrOS
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 Parsey -destination generic/platform=xrOS
Resolve Package Graph
Resolved source packages:
Parsey: /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 'Parsey' in project 'Parsey'
➜ Explicit dependency on target 'Parsey' in project 'Parsey'
Target 'Parsey' in project 'Parsey' (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/XROS.platform/Developer/SDKs/XROS26.4.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: 5c23e43d294f48da81d5c76c69ee9318
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/5c23e43d294f48da81d5c76c69ee9318.xcbuilddata
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/XROS.platform/Developer/SDKs/XROS26.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros26.4-23O238-688ef53f1462e2c8f657fdc38a81448fc42b1e75d12c8f651050d7e98f89897c.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/XROS.platform/Developer/SDKs/XROS26.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros26.4-23O238-688ef53f1462e2c8f657fdc38a81448fc42b1e75d12c8f651050d7e98f89897c.sdkstatcache
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
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-xros
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-xros
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/PackageFrameworks
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Parsey.DependencyMetadataFileList (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Parsey.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Parsey.modulemap (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Parsey.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Parsey.DependencyStaticMetadataFileList (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Parsey.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey.SwiftFileList (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey_const_extract_protocols.json (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey-OutputFileMap.json (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey.SwiftConstValuesFileList (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey.LinkFileList (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey.LinkFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-xros/Parsey.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Parsey.modulemap (in target 'Parsey' from project 'Parsey')
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/Parsey.build/Debug-xros/Parsey.build/Parsey.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-xros
SwiftDriver Parsey normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Parsey' from project 'Parsey')
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 Parsey -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey.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/XROS.platform/Developer/SDKs/XROS26.4.sdk -target arm64-apple-xros1.0 -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 4 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros26.4-23O238-688ef53f1462e2c8f657fdc38a81448fc42b1e75d12c8f651050d7e98f89897c.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey.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/Parsey.build/Debug-xros/Parsey.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.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/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ Lexer.swift,\ Location.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Lexer.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Location.swift (in target 'Parsey' from project 'Parsey')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Lexer.swift (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Location.swift (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Operators.swift,\ Optional.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Operators.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Optional.swift (in target 'Parsey' from project 'Parsey')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Operators.swift (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Optional.swift (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Parser.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Parser.swift (in target 'Parsey' from project 'Parsey')
Please submit a bug report (https://swift.org/contributing/#reporting-bugs) and include the crash backtrace.
Stack dump:
0. Program arguments: /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Array.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Associable.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Collection.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Combinators.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Error.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Function.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Lexer.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Location.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Mappable.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Numeric.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Operators.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Optional.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Parser.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Reducible.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Sequence.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Set.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parser.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parser.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parser.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parser.dia -target arm64-apple-xros1.0 -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.4.sdk/Developer/Library/Frameworks -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format=dwarf -dwarf-version=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -profile-generate -profile-coverage-mapping -swift-version 4 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros26.4-23O238-688ef53f1462e2c8f657fdc38a81448fc42b1e75d12c8f651050d7e98f89897c.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/swift-overrides.hmap -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG=1 -no-auto-bridging-header-chaining -module-name Parsey -frontend-parseable-output -disable-clang-spi -target-sdk-version 26.4 -target-sdk-name xros26.4 -external-plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib/swift/host/plugins#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/local/lib/swift/host/plugins#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parser.o -index-unit-output-path /Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parser.o -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -index-system-modules
1. Apple Swift version 6.3 (swiftlang-6.3.0.123.5 clang-2100.0.123.102)
2. Compiling with effective version 4.1.50
3. While evaluating request ASTLoweringRequest(Lowering AST to SIL for file "/Users/admin/builder/spi-builder-workspace/Sources/Parsey/Parser.swift")
4. While generating SIL witness table protocol conformance ParserInput: Sequence at extension of ParserInput (at /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Parser.swift:76:1)
Stack dump without symbol names (ensure you have llvm-symbolizer in your PATH or set the environment var `LLVM_SYMBOLIZER_PATH` to point to it):
0 swift-frontend 0x000000010a899cb8 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) + 56
1 swift-frontend 0x000000010a897158 llvm::sys::RunSignalHandlers() + 172
2 swift-frontend 0x000000010a89a2a8 SignalHandler(int, __siginfo*, void*) + 356
3 libsystem_platform.dylib 0x000000018ce317a4 _sigtramp + 56
4 libsystem_pthread.dylib 0x000000018ce278d8 pthread_kill + 296
5 libsystem_c.dylib 0x000000018cd2e790 abort + 148
6 swift-frontend 0x0000000104819590 swift::DiagnosticHelper::~DiagnosticHelper() + 0
7 swift-frontend 0x000000010a805dcc llvm::report_fatal_error(llvm::Twine const&, bool) + 292
8 swift-frontend 0x000000010a805ca8 llvm::report_fatal_error(llvm::Twine const&, bool) + 0
9 swift-frontend 0x0000000104fc74f8 swift::Lowering::SILGenModule::useConformance(swift::ProtocolConformanceRef) + 1000
10 swift-frontend 0x000000010505c670 swift::SILWitnessVisitor<(anonymous namespace)::SILGenConformance>::visitProtocolDecl(swift::ProtocolDecl*) + 112
11 swift-frontend 0x0000000105058054 swift::Lowering::SILGenModule::getWitnessTable(swift::NormalProtocolConformance*) + 472
12 swift-frontend 0x000000010505c5cc SILGenExtension::emitExtension(swift::ExtensionDecl*) + 720
13 swift-frontend 0x0000000104ef712c swift::ASTVisitor<swift::Lowering::SILGenModule, void, void, void, void, void, void>::visit(swift::Decl*) + 308
14 swift-frontend 0x0000000104efd7b0 swift::ASTLoweringRequest::evaluate(swift::Evaluator&, swift::ASTLoweringDescriptor) const + 2348
15 swift-frontend 0x000000010504213c swift::SimpleRequest<swift::ASTLoweringRequest, std::__1::unique_ptr<swift::SILModule, std::__1::default_delete<swift::SILModule>> (swift::ASTLoweringDescriptor), (swift::RequestFlags)17>::evaluateRequest(swift::ASTLoweringRequest const&, swift::Evaluator&) + 208
16 swift-frontend 0x0000000104f01f0c swift::ASTLoweringRequest::OutputType swift::Evaluator::getResultUncached<swift::ASTLoweringRequest, swift::ASTLoweringRequest::OutputType swift::evaluateOrFatal<swift::ASTLoweringRequest>(swift::Evaluator&, swift::ASTLoweringRequest)::'lambda'()>(swift::ASTLoweringRequest const&, swift::ASTLoweringRequest::OutputType swift::evaluateOrFatal<swift::ASTLoweringRequest>(swift::Evaluator&, swift::ASTLoweringRequest)::'lambda'()) + 548
17 swift-frontend 0x000000010441a9e4 swift::performCompileStepsPostSema(swift::CompilerInstance&, int&, swift::FrontendObserver*, llvm::ArrayRef<char const*>) + 980
18 swift-frontend 0x00000001044203c4 performCompile(swift::CompilerInstance&, int&, swift::FrontendObserver*, llvm::ArrayRef<char const*>) + 1740
19 swift-frontend 0x000000010441d12c swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 3308
20 swift-frontend 0x000000010439cd38 swift::mainEntry(int, char const**) + 5224
21 dyld 0x000000018ca6bda4 start + 6992
Failed frontend command:
/Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Array.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Associable.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Collection.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Combinators.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Error.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Function.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Lexer.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Location.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Mappable.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Numeric.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Operators.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Optional.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Parser.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Reducible.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Sequence.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Set.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parser.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parser.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parser.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parser.dia -target arm64-apple-xros1.0 -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.4.sdk/Developer/Library/Frameworks -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -profile-generate -profile-coverage-mapping -swift-version 4 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros26.4-23O238-688ef53f1462e2c8f657fdc38a81448fc42b1e75d12c8f651050d7e98f89897c.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/swift-overrides.hmap -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Parsey -frontend-parseable-output -disable-clang-spi -target-sdk-version 26.4 -target-sdk-name xros26.4 -external-plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parser.o -index-unit-output-path /Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parser.o -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -index-system-modules
Command SwiftCompile failed with a nonzero exit code
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Parser.swift (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Collection.swift,\ Combinators.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Collection.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Combinators.swift (in target 'Parsey' from project 'Parsey')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Collection.swift (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Combinators.swift (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Sequence.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Sequence.swift (in target 'Parsey' from project 'Parsey')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Sequence.swift (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Reducible.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Reducible.swift (in target 'Parsey' from project 'Parsey')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Reducible.swift (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Set.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Set.swift (in target 'Parsey' from project 'Parsey')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Set.swift (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Array.swift,\ Associable.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Array.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Associable.swift (in target 'Parsey' from project 'Parsey')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Array.swift (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Associable.swift (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Mappable.swift,\ Numeric.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Mappable.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Numeric.swift (in target 'Parsey' from project 'Parsey')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Mappable.swift (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Numeric.swift (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Error.swift,\ Function.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Error.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Function.swift (in target 'Parsey' from project 'Parsey')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Error.swift (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Function.swift (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftEmitModule normal arm64 Emitting\ module\ for\ Parsey (in target 'Parsey' from project 'Parsey')
2026-04-21 03:05:51.322 xcodebuild[632:3831] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
SwiftCompile normal arm64 Compiling\ Parser.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Parser.swift (in target 'Parsey' from project 'Parsey')
Building workspace spi-builder-workspace with scheme Parsey
(2 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:
Parsey: /Users/admin/builder/spi-builder-workspace
resolved source packages: Parsey
2026-04-21 03:05:57.214 xcodebuild[670:4075] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
],
"manifest_display_name" : "Parsey",
"name" : "Parsey",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "Parsey",
"targets" : [
"Parsey"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "ParseyTests",
"module_type" : "SwiftTarget",
"name" : "ParseyTests",
"path" : "Tests/ParseyTests",
"sources" : [
"ParseyTests.swift"
],
"target_dependencies" : [
"Parsey"
],
"type" : "test"
},
{
"c99name" : "Parsey",
"module_type" : "SwiftTarget",
"name" : "Parsey",
"path" : "Sources/Parsey",
"product_memberships" : [
"Parsey"
],
"sources" : [
"Array.swift",
"Associable.swift",
"Collection.swift",
"Combinators.swift",
"Error.swift",
"Function.swift",
"Lexer.swift",
"Location.swift",
"Mappable.swift",
"Numeric.swift",
"Operators.swift",
"Optional.swift",
"Parser.swift",
"Reducible.swift",
"Sequence.swift",
"Set.swift"
],
"type" : "library"
}
],
"tools_version" : "4.0"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"Parsey"
]
}
}
2026-04-21 03:05:58.552 xcodebuild[680:4160] [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 Parsey -destination generic/platform=xrOS
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 Parsey -destination generic/platform=xrOS
Resolve Package Graph
Resolved source packages:
Parsey: /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 'Parsey' in project 'Parsey'
➜ Explicit dependency on target 'Parsey' in project 'Parsey'
Target 'Parsey' in project 'Parsey' (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/XROS.platform/Developer/SDKs/XROS26.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros26.4-23O238-688ef53f1462e2c8f657fdc38a81448fc42b1e75d12c8f651050d7e98f89897c.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/XROS.platform/Developer/SDKs/XROS26.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros26.4-23O238-688ef53f1462e2c8f657fdc38a81448fc42b1e75d12c8f651050d7e98f89897c.sdkstatcache
SwiftDriver Parsey normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Parsey' from project 'Parsey')
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 Parsey -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey.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/XROS.platform/Developer/SDKs/XROS26.4.sdk -target arm64-apple-xros1.0 -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 4 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros26.4-23O238-688ef53f1462e2c8f657fdc38a81448fc42b1e75d12c8f651050d7e98f89897c.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey.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/Parsey.build/Debug-xros/Parsey.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.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/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ Array.swift,\ Associable.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Array.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Associable.swift (in target 'Parsey' from project 'Parsey')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Array.swift (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Associable.swift (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Collection.swift,\ Combinators.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Collection.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Combinators.swift (in target 'Parsey' from project 'Parsey')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Collection.swift (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Combinators.swift (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Lexer.swift,\ Location.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Lexer.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Location.swift (in target 'Parsey' from project 'Parsey')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Lexer.swift (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Location.swift (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Error.swift,\ Function.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Error.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Function.swift (in target 'Parsey' from project 'Parsey')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Error.swift (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Function.swift (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Mappable.swift,\ Numeric.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Mappable.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Numeric.swift (in target 'Parsey' from project 'Parsey')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Mappable.swift (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Numeric.swift (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Sequence.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Sequence.swift (in target 'Parsey' from project 'Parsey')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Sequence.swift (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Reducible.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Reducible.swift (in target 'Parsey' from project 'Parsey')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Reducible.swift (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftEmitModule normal arm64 Emitting\ module\ for\ Parsey (in target 'Parsey' from project 'Parsey')
Please submit a bug report (https://swift.org/contributing/#reporting-bugs) and include the crash backtrace.
Stack dump:
0. Program arguments: /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/Parsey/Array.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Associable.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Collection.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Combinators.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Error.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Function.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Lexer.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Location.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Mappable.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Numeric.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Operators.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Optional.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Parser.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Reducible.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Sequence.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Set.swift -target arm64-apple-xros1.0 -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.4.sdk/Developer/Library/Frameworks -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format=dwarf -dwarf-version=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -profile-generate -profile-coverage-mapping -swift-version 4 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros26.4-23O238-688ef53f1462e2c8f657fdc38a81448fc42b1e75d12c8f651050d7e98f89897c.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/swift-overrides.hmap -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG=1 -no-auto-bridging-header-chaining -module-name Parsey -frontend-parseable-output -disable-clang-spi -target-sdk-version 26.4 -target-sdk-name xros26.4 -external-plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib/swift/host/plugins#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/local/lib/swift/host/plugins#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey-primary-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey.abi.json
1. Apple Swift version 6.3 (swiftlang-6.3.0.123.5 clang-2100.0.123.102)
2. Compiling with effective version 4.1.50
3. While evaluating request ASTLoweringRequest(Lowering AST to SIL for module Parsey)
4. While generating SIL witness table protocol conformance ParserInput: Sequence at extension of ParserInput (at /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Parser.swift:76:1)
Stack dump without symbol names (ensure you have llvm-symbolizer in your PATH or set the environment var `LLVM_SYMBOLIZER_PATH` to point to it):
0 swift-frontend 0x00000001072adcb8 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) + 56
1 swift-frontend 0x00000001072ab158 llvm::sys::RunSignalHandlers() + 172
2 swift-frontend 0x00000001072ae2a8 SignalHandler(int, __siginfo*, void*) + 356
3 libsystem_platform.dylib 0x000000018ce317a4 _sigtramp + 56
4 libsystem_pthread.dylib 0x000000018ce278d8 pthread_kill + 296
5 libsystem_c.dylib 0x000000018cd2e790 abort + 148
6 swift-frontend 0x000000010122d590 swift::DiagnosticHelper::~DiagnosticHelper() + 0
7 swift-frontend 0x0000000107219dcc llvm::report_fatal_error(llvm::Twine const&, bool) + 292
8 swift-frontend 0x0000000107219ca8 llvm::report_fatal_error(llvm::Twine const&, bool) + 0
9 swift-frontend 0x00000001019db4f8 swift::Lowering::SILGenModule::useConformance(swift::ProtocolConformanceRef) + 1000
10 swift-frontend 0x0000000101a70670 swift::SILWitnessVisitor<(anonymous namespace)::SILGenConformance>::visitProtocolDecl(swift::ProtocolDecl*) + 112
11 swift-frontend 0x0000000101a6c054 swift::Lowering::SILGenModule::getWitnessTable(swift::NormalProtocolConformance*) + 472
12 swift-frontend 0x0000000101a705cc SILGenExtension::emitExtension(swift::ExtensionDecl*) + 720
13 swift-frontend 0x000000010190b12c swift::ASTVisitor<swift::Lowering::SILGenModule, void, void, void, void, void, void>::visit(swift::Decl*) + 308
14 swift-frontend 0x00000001019117b0 swift::ASTLoweringRequest::evaluate(swift::Evaluator&, swift::ASTLoweringDescriptor) const + 2348
15 swift-frontend 0x0000000101a5613c swift::SimpleRequest<swift::ASTLoweringRequest, std::__1::unique_ptr<swift::SILModule, std::__1::default_delete<swift::SILModule>> (swift::ASTLoweringDescriptor), (swift::RequestFlags)17>::evaluateRequest(swift::ASTLoweringRequest const&, swift::Evaluator&) + 208
16 swift-frontend 0x0000000101915f0c swift::ASTLoweringRequest::OutputType swift::Evaluator::getResultUncached<swift::ASTLoweringRequest, swift::ASTLoweringRequest::OutputType swift::evaluateOrFatal<swift::ASTLoweringRequest>(swift::Evaluator&, swift::ASTLoweringRequest)::'lambda'()>(swift::ASTLoweringRequest const&, swift::ASTLoweringRequest::OutputType swift::evaluateOrFatal<swift::ASTLoweringRequest>(swift::Evaluator&, swift::ASTLoweringRequest)::'lambda'()) + 548
17 swift-frontend 0x0000000100e2f798 swift::performCompileStepsPostSema(swift::CompilerInstance&, int&, swift::FrontendObserver*, llvm::ArrayRef<char const*>) + 4488
18 swift-frontend 0x0000000100e343c4 performCompile(swift::CompilerInstance&, int&, swift::FrontendObserver*, llvm::ArrayRef<char const*>) + 1740
19 swift-frontend 0x0000000100e3112c swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 3308
20 swift-frontend 0x0000000100db0d38 swift::mainEntry(int, char const**) + 5224
21 dyld 0x000000018ca6bda4 start + 6992
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/Parsey/Array.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Associable.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Collection.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Combinators.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Error.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Function.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Lexer.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Location.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Mappable.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Numeric.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Operators.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Optional.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Parser.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Reducible.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Sequence.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Set.swift -target arm64-apple-xros1.0 -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS26.4.sdk/Developer/Library/Frameworks -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -profile-generate -profile-coverage-mapping -swift-version 4 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros26.4-23O238-688ef53f1462e2c8f657fdc38a81448fc42b1e75d12c8f651050d7e98f89897c.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/swift-overrides.hmap -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Parsey -frontend-parseable-output -disable-clang-spi -target-sdk-version 26.4 -target-sdk-name xros26.4 -external-plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey-primary-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug-xros/Parsey.build/Objects-normal/arm64/Parsey.abi.json
Command SwiftEmitModule failed with a nonzero exit code
EmitSwiftModule normal arm64 (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Set.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Set.swift (in target 'Parsey' from project 'Parsey')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Set.swift (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Operators.swift,\ Optional.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Operators.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Optional.swift (in target 'Parsey' from project 'Parsey')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Operators.swift (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Optional.swift (in target 'Parsey' from project 'Parsey')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
SwiftCompile normal arm64 Compiling\ Parser.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Parser.swift (in target 'Parsey' from project 'Parsey')
2026-04-21 03:05:59.499 xcodebuild[684:4200] [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\ Parsey (in target 'Parsey' from project 'Parsey')
Building workspace spi-builder-workspace with scheme Parsey
(2 failures)
BUILD FAILURE 6.3 visionOS