Swift Package Index

Build Information

Failed to build Parsey, reference master (bcc927), with Swift 6.4 for macOS (Xcode) using Xcode 27.0 on 16 Sep 2026 06:43:28 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Parsey -destination platform=macOS,arch=arm64

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
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:         macosXcodebuild
Swift version:             6.4
Building package at path:  $PWD
https://github.com/rxwei/parsey.git
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  Parsey: /Users/admin/builder/spi-builder-workspace
resolved source packages: Parsey
2026-09-16 02:42:36.162 xcodebuild[528:3036] [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" : "Parsey",
    "schemes" : [
      "Parsey"
    ]
  }
}
2026-09-16 02:43:17.900 xcodebuild[646:4177] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Parsey -destination platform=macOS,arch=arm64
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme Parsey -destination platform=macOS,arch=arm64
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-product' in project 'Parsey'
        ➜ Explicit dependency on target 'Parsey' in project 'Parsey'
    Target 'Parsey' in project 'Parsey' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: df6d897628e03f875ac18a4347c88856
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/df6d897628e03f875ac18a4347c88856.xcbuilddata
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/CompilationCache.noindex
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/CompilationCache.noindex
ClangStatCache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx27.0-26A425-e829b21a6f8c9b70876ba0858053c0446a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx27.0-26A425-e829b21a6f8c9b70876ba0858053c0446a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache
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
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/PrecompiledHeaders
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PrecompiledHeaders
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug
    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
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/PackageFrameworks
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.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/Parsey-t.build/Parsey.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.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/Parsey-t.build/Parsey.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.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/Parsey-t.build/Parsey.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.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/Parsey-t.build/Objects-normal/arm64/Parsey.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.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/Parsey-t.build/Objects-normal/arm64/Parsey_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.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/Parsey-t.build/Objects-normal/arm64/Parsey-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.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/Parsey-t.build/Objects-normal/arm64/Parsey.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.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/Parsey-t.build/Objects-normal/arm64/Parsey.LinkFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps/Parsey.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.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/Parsey-t.build/Parsey.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps
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-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name Parsey -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -target arm64-apple-macos12.0 -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 -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx27.0-26A425-e829b21a6f8c9b70876ba0858053c0446a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey-OutputFileMap.json -save-temps -no-color-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey.swiftmodule -serialize-diagnostics -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.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\ 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
    builtin-SwiftPerFileCompile Collection.swift
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
    builtin-SwiftPerFileCompile Combinators.swift
/Users/admin/builder/spi-builder-workspace/Sources/Parsey/Collection.swift:15:5: warning: 'public' modifier is redundant for initializer declared in a public extension
13 | #if swift(>=4.0)
14 | public extension SingletonCollection where Self : ExpressibleByArrayLiteral, Self.ArrayLiteralElement == Element {
15 |     public init(singleton: Element) {
   |     `- warning: 'public' modifier is redundant for initializer declared in a public extension
16 |         self = [singleton]
17 |     }
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
    builtin-SwiftPerFileCompile Array.swift
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
    builtin-SwiftPerFileCompile Associable.swift
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
    builtin-SwiftPerFileCompile Lexer.swift
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
    builtin-SwiftPerFileCompile Location.swift
SwiftCompile normal arm64 Compiling\ Parser.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Parser.swift (in target 'Parsey' from project 'Parsey')
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
    builtin-SwiftPerFileCompile Parser.swift
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
    builtin-SwiftPerFileCompile Mappable.swift
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
    builtin-SwiftPerFileCompile Numeric.swift
SwiftEmitModule normal arm64 Emitting\ module\ for\ Parsey (in target 'Parsey' from project 'Parsey')
/Users/admin/builder/spi-builder-workspace/Sources/Parsey/Collection.swift:15:5: warning: 'public' modifier is redundant for initializer declared in a public extension
13 | #if swift(>=4.0)
14 | public extension SingletonCollection where Self : ExpressibleByArrayLiteral, Self.ArrayLiteralElement == Element {
15 |     public init(singleton: Element) {
   |     `- warning: 'public' modifier is redundant for initializer declared in a public extension
16 |         self = [singleton]
17 |     }
/Users/admin/builder/spi-builder-workspace/Sources/Parsey/Collection.swift:29:18: warning: 'CharacterView' is deprecated: Please use String directly [#DeprecatedDeclaration]
27 | }
28 |
29 | extension String.CharacterView : SingletonCollection {
   |                  `- warning: 'CharacterView' is deprecated: Please use String directly [#DeprecatedDeclaration]
30 |
31 |     public init(singleton: Character) {
/Users/admin/builder/spi-builder-workspace/Sources/Parsey/Operators.swift:80:5: warning: 'public' modifier is redundant for operator function declared in a public extension
 78 | public extension FloatingPoint {
 79 |
 80 |     public static prefix func /(rhs: Self) -> (Self) -> Self {
    |     `- warning: 'public' modifier is redundant for operator function declared in a public extension
 81 |         return { $0 / rhs }
 82 |     }
/Users/admin/builder/spi-builder-workspace/Sources/Parsey/Operators.swift:84:5: warning: 'public' modifier is redundant for operator function declared in a public extension
 82 |     }
 83 |
 84 |     public static postfix func /(lhs: Self) -> (Self) -> Self {
    |     `- warning: 'public' modifier is redundant for operator function declared in a public extension
 85 |         return { lhs / $0 }
 86 |     }
/Users/admin/builder/spi-builder-workspace/Sources/Parsey/Operators.swift:92:5: warning: 'public' modifier is redundant for operator function declared in a public extension
 90 | public extension Comparable {
 91 |
 92 |     public static prefix func ==(rhs: Self) -> (Self) -> Bool {
    |     `- warning: 'public' modifier is redundant for operator function declared in a public extension
 93 |         return { $0 == rhs }
 94 |     }
/Users/admin/builder/spi-builder-workspace/Sources/Parsey/Operators.swift:96:5: warning: 'public' modifier is redundant for operator function declared in a public extension
 94 |     }
 95 |
 96 |     public static prefix func !=(rhs: Self) -> (Self) -> Bool {
    |     `- warning: 'public' modifier is redundant for operator function declared in a public extension
 97 |         return { $0 != rhs }
 98 |     }
/Users/admin/builder/spi-builder-workspace/Sources/Parsey/Reducible.swift:15:5: warning: 'public' modifier is redundant for instance method declared in a public extension
13 |
14 | public extension Reducible {
15 |     public func mapReduce<Result: Associable>(_ transform: (Element) -> Result) -> Result {
   |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
16 |         return reduce(Result.identity) { $0 + transform($1) }
17 |     }
Abort: function useConformance at SILGenLazyConformance.cpp:57
Found an invalid conformance in SILGen. This may indicate a problem in Sema or the ClangImporter.
Please submit a bug report (https://swift.org/contributing/#reporting-bugs) and include the crash backtrace.
Stack dump:
0.	Program arguments: /Applications/Xcode-27.0.0-Release.Candidate.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-macos12.0 -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format=dwarf -dwarf-version=4 -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 -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx27.0-26A425-e829b21a6f8c9b70876ba0858053c0446a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -Xcc -fmodules-prune-interval=86400 -Xcc -fmodules-prune-after=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG=1 -no-auto-bridging-header-chaining -module-name Parsey -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey_const_extract_protocols.json -disable-clang-spi -target-sdk-version 27.0 -target-sdk-name macosx27.0 -external-plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/local/lib/swift/host/plugins#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.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/Parsey-t.build/Objects-normal/arm64/Parsey-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey.abi.json
1.	Apple Swift version 6.4 (swiftlang-6.4.0.34.1 clang-2100.3.34.1)
2.	Compiling with effective version 4.1.50
3.	While evaluating request ASTLoweringRequest(Lowering AST to SIL for module Parsey)
4.	While silgen visitDecl extension of ParserInput (at /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Parser.swift:76:1)
5.	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)
6.	Abort: function useConformance at SILGenLazyConformance.cpp:57
| 	Found an invalid conformance in SILGen. This may indicate a problem in Sema or the ClangImporter.
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           0x0000000109347bd0 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) + 56
1  swift-frontend           0x0000000109345358 llvm::sys::RunSignalHandlers() + 172
2  swift-frontend           0x00000001093481c8 SignalHandler(int, __siginfo*, void*) + 360
3  libsystem_platform.dylib 0x00000001884dd744 _sigtramp + 56
4  libsystem_pthread.dylib  0x00000001884d38d8 pthread_kill + 296
5  libsystem_c.dylib        0x00000001883d9978 abort + 148
6  swift-frontend           0x0000000104af6bc4 _ABORT(char const*, int, char const*, llvm::function_ref<void (llvm::raw_ostream&)>) + 0
7  swift-frontend           0x0000000104af6c98 _ABORT(char const*, int, char const*, llvm::StringRef) + 0
8  swift-frontend           0x0000000103a517cc swift::Lowering::SILGenModule::useConformance(swift::SILInstruction*, swift::ProtocolConformanceRef) + 272
9  swift-frontend           0x0000000103ae8958 swift::SILWitnessVisitor<(anonymous namespace)::SILGenConformance>::visitProtocolDecl(swift::ProtocolDecl*) + 392
10 swift-frontend           0x0000000103ae3d2c swift::Lowering::SILGenModule::getWitnessTable(swift::RootProtocolConformance*) + 560
11 swift-frontend           0x0000000103ae879c SILGenExtension::emitExtension(swift::ExtensionDecl*) + 624
12 swift-frontend           0x0000000103974028 swift::ASTVisitor<swift::Lowering::SILGenModule, void, void, void, void, void, void>::visit(swift::Decl*) + 308
13 swift-frontend           0x000000010397a8ec swift::ASTLoweringRequest::evaluate(swift::Evaluator&, swift::ASTLoweringDescriptor) const + 2492
14 swift-frontend           0x0000000103acede0 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
15 swift-frontend           0x000000010397f240 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'()) + 552
16 swift-frontend           0x0000000102e57d74 swift::performCompileStepsPostSema(swift::CompilerInstance&, int&, swift::FrontendObserver*, llvm::ArrayRef<char const*>) + 3852
17 swift-frontend           0x0000000102e5cc0c performCompile(swift::CompilerInstance&, int&, swift::FrontendObserver*, llvm::ArrayRef<char const*>) + 1312
18 swift-frontend           0x0000000102e59dc4 swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 3776
19 swift-frontend           0x0000000102dd9008 swift::mainEntry(int, char const**) + 5600
20 dyld                     0x00000001881084e4 start + 6992
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.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-macos12.0 -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -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 -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx27.0-26A425-e829b21a6f8c9b70876ba0858053c0446a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Parsey -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey_const_extract_protocols.json -disable-clang-spi -target-sdk-version 27.0 -target-sdk-name macosx27.0 -external-plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.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/Parsey-t.build/Objects-normal/arm64/Parsey-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey.abi.json
Command SwiftEmitModule failed with a nonzero exit code
SwiftCompile normal arm64 (in target 'Parsey' from project 'Parsey')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey-primary-emit-module.dia:1:1: warning: Could not read serialized diagnostics file: Error Domain=NSCocoaErrorDomain Code=260 "The file “Parsey-primary-emit-module.dia” couldn’t be opened because there is no such file." UserInfo={NSFilePath=/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey-primary-emit-module.dia, NSURL=file:///Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey-primary-emit-module.dia, NSUnderlyingError=0x70f189aa0 {Error Domain=NSPOSIXErrorDomain Code=2 "No such file or directory"}} (in target 'Parsey' from project 'Parsey')
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
    builtin-SwiftPerFileCompile Error.swift
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
    builtin-SwiftPerFileCompile Function.swift
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
    builtin-SwiftPerFileCompile Reducible.swift
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
    builtin-SwiftPerFileCompile Sequence.swift
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
    builtin-SwiftPerFileCompile Set.swift
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
    builtin-SwiftPerFileCompile Operators.swift
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
    builtin-SwiftPerFileCompile Optional.swift
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
2026-09-16 02:43:19.426 xcodebuild[647:4216] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:23020672561fdedf3f610e0ff24eafb9b1324df3, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:23020672561fdedf3f610e0ff24eafb9b1324df3, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:23020672561fdedf3f610e0ff24eafb9b1324df3, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:23020672561fdedf3f610e0ff24eafb9b1324df3, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	SwiftEmitModule normal arm64 Emitting\ module\ for\ Parsey (in target 'Parsey' from project 'Parsey')
	Building workspace Parsey with scheme Parsey
(2 failures)
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  Parsey: /Users/admin/builder/spi-builder-workspace
resolved source packages: Parsey
2026-09-16 02:43:25.420 xcodebuild[672:4421] [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" : "Parsey",
    "schemes" : [
      "Parsey"
    ]
  }
}
2026-09-16 02:43:26.670 xcodebuild[680:4500] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Parsey -destination platform=macOS,arch=arm64
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme Parsey -destination platform=macOS,arch=arm64
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-product' in project 'Parsey'
        ➜ Explicit dependency on target 'Parsey' in project 'Parsey'
    Target 'Parsey' in project 'Parsey' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ClangStatCache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx27.0-26A425-e829b21a6f8c9b70876ba0858053c0446a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx27.0-26A425-e829b21a6f8c9b70876ba0858053c0446a22442a12e9d48fe1a705f55a1adfc4.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-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name Parsey -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -target arm64-apple-macos12.0 -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 -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx27.0-26A425-e829b21a6f8c9b70876ba0858053c0446a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey-OutputFileMap.json -save-temps -no-color-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey.swiftmodule -serialize-diagnostics -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.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\ 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
    builtin-SwiftPerFileCompile Collection.swift
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
    builtin-SwiftPerFileCompile Combinators.swift
/Users/admin/builder/spi-builder-workspace/Sources/Parsey/Collection.swift:15:5: warning: 'public' modifier is redundant for initializer declared in a public extension
13 | #if swift(>=4.0)
14 | public extension SingletonCollection where Self : ExpressibleByArrayLiteral, Self.ArrayLiteralElement == Element {
15 |     public init(singleton: Element) {
   |     `- warning: 'public' modifier is redundant for initializer declared in a public extension
16 |         self = [singleton]
17 |     }
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
    builtin-SwiftPerFileCompile Lexer.swift
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
    builtin-SwiftPerFileCompile Location.swift
SwiftEmitModule normal arm64 Emitting\ module\ for\ Parsey (in target 'Parsey' from project 'Parsey')
/Users/admin/builder/spi-builder-workspace/Sources/Parsey/Collection.swift:15:5: warning: 'public' modifier is redundant for initializer declared in a public extension
13 | #if swift(>=4.0)
14 | public extension SingletonCollection where Self : ExpressibleByArrayLiteral, Self.ArrayLiteralElement == Element {
15 |     public init(singleton: Element) {
   |     `- warning: 'public' modifier is redundant for initializer declared in a public extension
16 |         self = [singleton]
17 |     }
/Users/admin/builder/spi-builder-workspace/Sources/Parsey/Collection.swift:29:18: warning: 'CharacterView' is deprecated: Please use String directly [#DeprecatedDeclaration]
27 | }
28 |
29 | extension String.CharacterView : SingletonCollection {
   |                  `- warning: 'CharacterView' is deprecated: Please use String directly [#DeprecatedDeclaration]
30 |
31 |     public init(singleton: Character) {
/Users/admin/builder/spi-builder-workspace/Sources/Parsey/Operators.swift:80:5: warning: 'public' modifier is redundant for operator function declared in a public extension
 78 | public extension FloatingPoint {
 79 |
 80 |     public static prefix func /(rhs: Self) -> (Self) -> Self {
    |     `- warning: 'public' modifier is redundant for operator function declared in a public extension
 81 |         return { $0 / rhs }
 82 |     }
/Users/admin/builder/spi-builder-workspace/Sources/Parsey/Operators.swift:84:5: warning: 'public' modifier is redundant for operator function declared in a public extension
 82 |     }
 83 |
 84 |     public static postfix func /(lhs: Self) -> (Self) -> Self {
    |     `- warning: 'public' modifier is redundant for operator function declared in a public extension
 85 |         return { lhs / $0 }
 86 |     }
/Users/admin/builder/spi-builder-workspace/Sources/Parsey/Operators.swift:92:5: warning: 'public' modifier is redundant for operator function declared in a public extension
 90 | public extension Comparable {
 91 |
 92 |     public static prefix func ==(rhs: Self) -> (Self) -> Bool {
    |     `- warning: 'public' modifier is redundant for operator function declared in a public extension
 93 |         return { $0 == rhs }
 94 |     }
/Users/admin/builder/spi-builder-workspace/Sources/Parsey/Operators.swift:96:5: warning: 'public' modifier is redundant for operator function declared in a public extension
 94 |     }
 95 |
 96 |     public static prefix func !=(rhs: Self) -> (Self) -> Bool {
    |     `- warning: 'public' modifier is redundant for operator function declared in a public extension
 97 |         return { $0 != rhs }
 98 |     }
/Users/admin/builder/spi-builder-workspace/Sources/Parsey/Reducible.swift:15:5: warning: 'public' modifier is redundant for instance method declared in a public extension
13 |
14 | public extension Reducible {
15 |     public func mapReduce<Result: Associable>(_ transform: (Element) -> Result) -> Result {
   |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
16 |         return reduce(Result.identity) { $0 + transform($1) }
17 |     }
Abort: function useConformance at SILGenLazyConformance.cpp:57
Found an invalid conformance in SILGen. This may indicate a problem in Sema or the ClangImporter.
Please submit a bug report (https://swift.org/contributing/#reporting-bugs) and include the crash backtrace.
Stack dump:
0.	Program arguments: /Applications/Xcode-27.0.0-Release.Candidate.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-macos12.0 -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format=dwarf -dwarf-version=4 -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 -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx27.0-26A425-e829b21a6f8c9b70876ba0858053c0446a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -Xcc -fmodules-prune-interval=86400 -Xcc -fmodules-prune-after=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG=1 -no-auto-bridging-header-chaining -module-name Parsey -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey_const_extract_protocols.json -disable-clang-spi -target-sdk-version 27.0 -target-sdk-name macosx27.0 -external-plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/local/lib/swift/host/plugins#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.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/Parsey-t.build/Objects-normal/arm64/Parsey-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey.abi.json
1.	Apple Swift version 6.4 (swiftlang-6.4.0.34.1 clang-2100.3.34.1)
2.	Compiling with effective version 4.1.50
3.	While evaluating request ASTLoweringRequest(Lowering AST to SIL for module Parsey)
4.	While silgen visitDecl extension of ParserInput (at /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Parser.swift:76:1)
5.	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)
6.	Abort: function useConformance at SILGenLazyConformance.cpp:57
| 	Found an invalid conformance in SILGen. This may indicate a problem in Sema or the ClangImporter.
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           0x0000000107253bd0 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) + 56
1  swift-frontend           0x0000000107251358 llvm::sys::RunSignalHandlers() + 172
2  swift-frontend           0x00000001072541c8 SignalHandler(int, __siginfo*, void*) + 360
3  libsystem_platform.dylib 0x00000001884dd744 _sigtramp + 56
4  libsystem_pthread.dylib  0x00000001884d38d8 pthread_kill + 296
5  libsystem_c.dylib        0x00000001883d9978 abort + 148
6  swift-frontend           0x0000000102a02bc4 _ABORT(char const*, int, char const*, llvm::function_ref<void (llvm::raw_ostream&)>) + 0
7  swift-frontend           0x0000000102a02c98 _ABORT(char const*, int, char const*, llvm::StringRef) + 0
8  swift-frontend           0x000000010195d7cc swift::Lowering::SILGenModule::useConformance(swift::SILInstruction*, swift::ProtocolConformanceRef) + 272
9  swift-frontend           0x00000001019f4958 swift::SILWitnessVisitor<(anonymous namespace)::SILGenConformance>::visitProtocolDecl(swift::ProtocolDecl*) + 392
10 swift-frontend           0x00000001019efd2c swift::Lowering::SILGenModule::getWitnessTable(swift::RootProtocolConformance*) + 560
11 swift-frontend           0x00000001019f479c SILGenExtension::emitExtension(swift::ExtensionDecl*) + 624
12 swift-frontend           0x0000000101880028 swift::ASTVisitor<swift::Lowering::SILGenModule, void, void, void, void, void, void>::visit(swift::Decl*) + 308
13 swift-frontend           0x00000001018868ec swift::ASTLoweringRequest::evaluate(swift::Evaluator&, swift::ASTLoweringDescriptor) const + 2492
14 swift-frontend           0x00000001019dade0 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
15 swift-frontend           0x000000010188b240 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'()) + 552
16 swift-frontend           0x0000000100d63d74 swift::performCompileStepsPostSema(swift::CompilerInstance&, int&, swift::FrontendObserver*, llvm::ArrayRef<char const*>) + 3852
17 swift-frontend           0x0000000100d68c0c performCompile(swift::CompilerInstance&, int&, swift::FrontendObserver*, llvm::ArrayRef<char const*>) + 1312
18 swift-frontend           0x0000000100d65dc4 swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 3776
19 swift-frontend           0x0000000100ce5008 swift::mainEntry(int, char const**) + 5600
20 dyld                     0x00000001881084e4 start + 6992
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.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-macos12.0 -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -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 -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx27.0-26A425-e829b21a6f8c9b70876ba0858053c0446a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Parsey -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey_const_extract_protocols.json -disable-clang-spi -target-sdk-version 27.0 -target-sdk-name macosx27.0 -external-plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.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/Parsey-t.build/Objects-normal/arm64/Parsey-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey.abi.json
Command SwiftEmitModule failed with a nonzero exit code
SwiftCompile normal arm64 (in target 'Parsey' from project 'Parsey')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey-primary-emit-module.dia:1:1: warning: Could not read serialized diagnostics file: Error Domain=NSCocoaErrorDomain Code=260 "The file “Parsey-primary-emit-module.dia” couldn’t be opened because there is no such file." UserInfo={NSFilePath=/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey-primary-emit-module.dia, NSURL=file:///Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey-primary-emit-module.dia, NSUnderlyingError=0xa691a3660 {Error Domain=NSPOSIXErrorDomain Code=2 "No such file or directory"}} (in target 'Parsey' from project 'Parsey')
SwiftCompile normal arm64 Compiling\ Parser.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Parser.swift (in target 'Parsey' from project 'Parsey')
Abort: function useConformance at SILGenLazyConformance.cpp:57
Found an invalid conformance in SILGen. This may indicate a problem in Sema or the ClangImporter.
Please submit a bug report (https://swift.org/contributing/#reporting-bugs) and include the crash backtrace.
Stack dump:
0.	Program arguments: /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c /Users/admin/builder/spi-builder-workspace/Sources/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/Parsey-t.build/Objects-normal/arm64/Parser.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parser.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parser.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parser.dia -target arm64-apple-macos12.0 -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format=dwarf -dwarf-version=4 -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 -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx27.0-26A425-e829b21a6f8c9b70876ba0858053c0446a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -Xcc -fmodules-prune-interval=86400 -Xcc -fmodules-prune-after=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG=1 -no-auto-bridging-header-chaining -module-name Parsey -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey_const_extract_protocols.json -disable-clang-spi -target-sdk-version 27.0 -target-sdk-name macosx27.0 -external-plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/local/lib/swift/host/plugins#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parser.o -index-unit-output-path /Parsey.build/Debug/Parsey-t.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 6.4 (swiftlang-6.4.0.34.1 clang-2100.3.34.1)
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 silgen visitDecl extension of ParserInput (at /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Parser.swift:76:1)
5.	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)
6.	Abort: function useConformance at SILGenLazyConformance.cpp:57
| 	Found an invalid conformance in SILGen. This may indicate a problem in Sema or the ClangImporter.
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           0x000000010a8e3bd0 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) + 56
1  swift-frontend           0x000000010a8e1358 llvm::sys::RunSignalHandlers() + 172
2  swift-frontend           0x000000010a8e41c8 SignalHandler(int, __siginfo*, void*) + 360
3  libsystem_platform.dylib 0x00000001884dd744 _sigtramp + 56
4  libsystem_pthread.dylib  0x00000001884d38d8 pthread_kill + 296
5  libsystem_c.dylib        0x00000001883d9978 abort + 148
6  swift-frontend           0x0000000106092bc4 _ABORT(char const*, int, char const*, llvm::function_ref<void (llvm::raw_ostream&)>) + 0
7  swift-frontend           0x0000000106092c98 _ABORT(char const*, int, char const*, llvm::StringRef) + 0
8  swift-frontend           0x0000000104fed7cc swift::Lowering::SILGenModule::useConformance(swift::SILInstruction*, swift::ProtocolConformanceRef) + 272
9  swift-frontend           0x0000000105084958 swift::SILWitnessVisitor<(anonymous namespace)::SILGenConformance>::visitProtocolDecl(swift::ProtocolDecl*) + 392
10 swift-frontend           0x000000010507fd2c swift::Lowering::SILGenModule::getWitnessTable(swift::RootProtocolConformance*) + 560
11 swift-frontend           0x000000010508479c SILGenExtension::emitExtension(swift::ExtensionDecl*) + 624
12 swift-frontend           0x0000000104f10028 swift::ASTVisitor<swift::Lowering::SILGenModule, void, void, void, void, void, void>::visit(swift::Decl*) + 308
13 swift-frontend           0x0000000104f168ec swift::ASTLoweringRequest::evaluate(swift::Evaluator&, swift::ASTLoweringDescriptor) const + 2492
14 swift-frontend           0x000000010506ade0 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
15 swift-frontend           0x0000000104f1b240 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'()) + 552
16 swift-frontend           0x00000001043f3200 swift::performCompileStepsPostSema(swift::CompilerInstance&, int&, swift::FrontendObserver*, llvm::ArrayRef<char const*>) + 920
17 swift-frontend           0x00000001043f8c0c performCompile(swift::CompilerInstance&, int&, swift::FrontendObserver*, llvm::ArrayRef<char const*>) + 1312
18 swift-frontend           0x00000001043f5dc4 swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 3776
19 swift-frontend           0x0000000104375008 swift::mainEntry(int, char const**) + 5600
20 dyld                     0x00000001881084e4 start + 6992
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c /Users/admin/builder/spi-builder-workspace/Sources/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/Parsey-t.build/Objects-normal/arm64/Parser.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parser.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parser.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parser.dia -target arm64-apple-macos12.0 -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -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 -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx27.0-26A425-e829b21a6f8c9b70876ba0858053c0446a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Parsey -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parsey_const_extract_protocols.json -disable-clang-spi -target-sdk-version 27.0 -target-sdk-name macosx27.0 -external-plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parser.o -index-unit-output-path /Parsey.build/Debug/Parsey-t.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
    builtin-SwiftPerFileCompile Parser.swift
/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parser.dia:1:1: warning: Could not read serialized diagnostics file: Error Domain=NSCocoaErrorDomain Code=260 "The file “Parser.dia” couldn’t be opened because there is no such file." UserInfo={NSFilePath=/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parser.dia, NSURL=file:///Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Parsey.build/Debug/Parsey-t.build/Objects-normal/arm64/Parser.dia, NSUnderlyingError=0xa691a3570 {Error Domain=NSPOSIXErrorDomain Code=2 "No such file or directory"}} (in target 'Parsey' from project 'Parsey')
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
    builtin-SwiftPerFileCompile Sequence.swift
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
    builtin-SwiftPerFileCompile Mappable.swift
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
    builtin-SwiftPerFileCompile Numeric.swift
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
    builtin-SwiftPerFileCompile Set.swift
SwiftCompile normal arm64 Compiling\ Reducible.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Reducible.swift (in target 'Parsey' from project 'Parsey')
/Users/admin/builder/spi-builder-workspace/Sources/Parsey/Reducible.swift:15:5: warning: 'public' modifier is redundant for instance method declared in a public extension
13 |
14 | public extension Reducible {
15 |     public func mapReduce<Result: Associable>(_ transform: (Element) -> Result) -> Result {
   |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
16 |         return reduce(Result.identity) { $0 + transform($1) }
17 |     }
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
    builtin-SwiftPerFileCompile Reducible.swift
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
    builtin-SwiftPerFileCompile Error.swift
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
    builtin-SwiftPerFileCompile Function.swift
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
    builtin-SwiftPerFileCompile Array.swift
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
    builtin-SwiftPerFileCompile Associable.swift
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
    builtin-SwiftPerFileCompile Operators.swift
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
    builtin-SwiftPerFileCompile Optional.swift
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
2026-09-16 02:43:27.623 xcodebuild[682:4531] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:23020672561fdedf3f610e0ff24eafb9b1324df3, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:23020672561fdedf3f610e0ff24eafb9b1324df3, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:23020672561fdedf3f610e0ff24eafb9b1324df3, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:23020672561fdedf3f610e0ff24eafb9b1324df3, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	SwiftEmitModule normal arm64 Emitting\ module\ for\ Parsey (in target 'Parsey' from project 'Parsey')
	SwiftCompile normal arm64 Compiling\ Parser.swift /Users/admin/builder/spi-builder-workspace/Sources/Parsey/Parser.swift (in target 'Parsey' from project 'Parsey')
	Building workspace Parsey with scheme Parsey
(3 failures)
BUILD FAILURE 6.4 macosXcodebuild