Baton – Build Information – Swift Package Index

Build Information

Failed to build Baton, reference master (37167b), with Swift 6.4 for macOS (SPM) on 24 Oct 2026 00:45:21 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 5.1.3
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/shergin/baton.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/shergin/baton
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 37167b9 Merge pull request #56 from shergin/claude/vibrant-hermann-b0d306
Cloned https://github.com/shergin/baton.git
Revision (git rev-parse @):
37167b9dacf0b0dc22613258bb98238e4e91c07d
SUCCESS checkout https://github.com/shergin/baton.git at master
Fetching https://github.com/swiftlang/swift-syntax.git
[1/81072] Fetching swift-syntax
Fetched https://github.com/swiftlang/swift-syntax.git (10.63s)
Computing version for https://github.com/swiftlang/swift-syntax.git
Computed https://github.com/swiftlang/swift-syntax.git at 602.0.0 (12.97s)
Creating working copy for https://github.com/swiftlang/swift-syntax.git
Working copy of https://github.com/swiftlang/swift-syntax.git resolved at 602.0.0
Downloading binary artifact https://github.com/shergin/baton/releases/download/v0.17.0/batonc.artifactbundle.zip
[0/100] Downloading https://github.com/shergin/baton/releases/download/v0.17.0/batonc.artifactbundle.zip (16 KB / 10.6 MB)
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Downloaded https://github.com/shergin/baton/releases/download/v0.17.0/batonc.artifactbundle.zip (1.01s)
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/602.0.0/swiftlang-6.4.0.34.1-macosx27.0-MacroSupport.zip
Downloaded https://download.swift.org/prebuilts/swift-syntax/602.0.0/swiftlang-6.4.0.34.1-macosx27.0-MacroSupport.zip (1.29s)
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "traits": [
    "default"
  ],
  "dependencies": [
    {
      "identity": "baton",
      "name": "Baton",
      "url": "https://github.com/shergin/baton.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/baton",
      "traits": [
        "default"
      ],
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/shergin/baton.git
[1/12116] Fetching baton
Fetched https://github.com/shergin/baton.git (1.99s)
Fetching https://github.com/swiftlang/swift-syntax.git from cache
Fetched https://github.com/swiftlang/swift-syntax.git from cache (1.01s)
Computing version for https://github.com/swiftlang/swift-syntax.git
Computed https://github.com/swiftlang/swift-syntax.git at 604.0.0 (1.86s)
Creating working copy for https://github.com/shergin/baton.git
Working copy of https://github.com/shergin/baton.git resolved at master (37167b9)
Creating working copy for https://github.com/swiftlang/swift-syntax.git
Working copy of https://github.com/swiftlang/swift-syntax.git resolved at 604.0.0
Fetching binary artifact https://github.com/shergin/baton/releases/download/v0.17.0/batonc.artifactbundle.zip from cache
Fetched https://github.com/shergin/baton/releases/download/v0.17.0/batonc.artifactbundle.zip from cache (0.41s)
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/604.0.0/swiftlang-6.4.0.34.1-macosx27.0-MacroSupport.zip
Downloaded https://download.swift.org/prebuilts/swift-syntax/604.0.0/swiftlang-6.4.0.34.1-macosx27.0-MacroSupport.zip (1.31s)
warning: '.resolve-product-dependencies': dependency 'baton' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/shergin/baton.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0.app xcrun swift build --arch arm64
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 471]
[Planning deferred tasks]
[11 / 191] RickAndMorty-product
[98 / 191] Baton_BatonSpec
[99 / 191] Baton_BatonSpec
[101 / 191]
[103 / 193] BatonMacros
[112 / 221] BatonSpec
[118 / 236]
[123 / 236]
[124 / 236]
[128 / 236]
[130 / 236]
[133 / 236]
[139 / 236]
[140 / 236]
[142 / 236] BatonMacros
[145 / 236] BatonMacros
[152 / 237] BatonSpec
[158 / 237] Baton
[167 / 279]
[175 / 279]
[180 / 279]
[181 / 279]
[185 / 279]
[188 / 279]
[190 / 279]
[202 / 279] Baton
[213 / 282] Baton
[222 / 292] BatonTesting
[242 / 292] BatonInspector
[245 / 292] Baton
[258 / 292] Controllers
[262 / 296] RickAndMorty-product
[273 / 330] GitHubTriage-product
error: SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/.build/plugins/outputs/spi-builder-workspace/RickAndMorty/destination/BatonPlugin/Generated/Baton.baton.swift failed with a nonzero exit code. Command line:     cd /Users/admin/builder
    builtin-SwiftPerFileCompile Baton.baton.swift
/Users/admin/builder/spi-builder-workspace/.build/plugins/outputs/spi-builder-workspace/RickAndMorty/destination/BatonPlugin/Generated/Baton.baton.swift:12:31: [1;31merror: [1;39m'Format20' is unavailable: this generated code is of format 20 and the runtime reads format 21: a list paged by number merges its pages under `@paged`; rebuild with the compiler of this release[0;0m
[0;36m10 |[0;0m     /// The format of this generated code, which the runtime that reads it
[0;36m11 |[0;0m     /// declares; a runtime of another format fails to compile this line.
[0;36m12 |[0;0m     static let format = Baton.[4;39mFormat20[0;0m.self
   [0;36m|[0;0m                               `- [1;31merror: [1;39m'Format20' is unavailable: this generated code is of format 20 and the runtime reads format 21: a list paged by number merges its pages under `@paged`; rebuild with the compiler of this release[0;0m
[0;36m13 |[0;0m     static let Character = Baton.Registry.type("Character")
[0;36m14 |[0;0m     static let Characters = Baton.Registry.type("Characters")
Baton.Format20:2:13: [1;39mnote: [1;39m'Format20' has been explicitly marked unavailable here[0;0m
[0;36m1 |[0;0m @available(*, unavailable, message: "this generated code is of format 20 and the runtime reads format 21: a list paged by number merges its pages under `@paged`; rebuild with the compiler of this release")
[0;36m2 |[0;0m public enum Format20 {
  [0;36m|[0;0m             `- [1;39mnote: [1;39m'Format20' has been explicitly marked unavailable here[0;0m
[0;36m3 |[0;0m }
Failed frontend command:
/Applications/Xcode-27.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c /Users/admin/builder/spi-builder-workspace/examples/RickAndMorty/CharacterScreen.swift /Users/admin/builder/spi-builder-workspace/examples/RickAndMorty/CharactersScreen.swift /Users/admin/builder/spi-builder-workspace/examples/RickAndMorty/EpisodeAndLocationScreens.swift /Users/admin/builder/spi-builder-workspace/examples/RickAndMorty/RickAndMortyApp.swift /Users/admin/builder/spi-builder-workspace/.build/plugins/outputs/spi-builder-workspace/RickAndMorty/destination/BatonPlugin/Generated/CharacterScreen.baton.swift /Users/admin/builder/spi-builder-workspace/.build/plugins/outputs/spi-builder-workspace/RickAndMorty/destination/BatonPlugin/Generated/CharactersScreen.baton.swift /Users/admin/builder/spi-builder-workspace/.build/plugins/outputs/spi-builder-workspace/RickAndMorty/destination/BatonPlugin/Generated/EpisodeAndLocationScreens.baton.swift -primary-file /Users/admin/builder/spi-builder-workspace/.build/plugins/outputs/spi-builder-workspace/RickAndMorty/destination/BatonPlugin/Generated/Baton.baton.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Baton.build/Debug/RickAndMorty-p.build/Objects-normal/arm64/Baton.baton.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Baton.build/Debug/RickAndMorty-p.build/Objects-normal/arm64/Baton.baton.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Baton.build/Debug/RickAndMorty-p.build/Objects-normal/arm64/Baton.baton.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Baton.build/Debug/RickAndMorty-p.build/Objects-normal/arm64/Baton.baton.dia -target arm64-apple-macos26.0 -disable-cross-import-overlay-search -load-resolved-plugin \#/Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/BatonMacros\#BatonMacros -load-resolved-plugin /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libPreviewsMacros.dylib\#/Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#PreviewsMacros -load-resolved-plugin /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -load-resolved-plugin /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libSwiftUIMacros.dylib\#/Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#SwiftUIMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Baton.build/Debug/RickAndMorty-p.build/Objects-normal/arm64/RickAndMorty-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -Isystem /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/PackageFrameworks -F /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -F /Applications/Xcode-27.0.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftExplicitPrecompiledModules -color-diagnostics -Xcc -fcolor-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=5 -swift-version 6 -Onone -D SWIFT_PACKAGE -D DEBUG -D Xcode -serialize-debugging-options -load-plugin-executable /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/BatonMacros\#BatonMacros -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.build/out/SDKStatCaches.noindex/macosx27.0-26A425-80c5bbf1d171475443272936d42f90a389db99fe7804849a4777d653a8cfc1be.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Baton.build/Debug/RickAndMorty-p.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Baton.build/Debug/RickAndMorty-p.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Baton.build/Debug/RickAndMorty-p.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name RickAndMorty -package-name spi_builder_workspace -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Baton.build/Debug/RickAndMorty-p.build/Objects-normal/arm64/RickAndMorty_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-macos27.0 -target-sdk-version 27.0 -target-sdk-name macosx27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Baton.build/Debug/RickAndMorty-p.build/Objects-normal/arm64/Baton.baton.o -debug-module-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Baton.build/Debug/RickAndMorty-p.build/Objects-normal/arm64/RickAndMorty.swiftmodule -index-unit-output-path /Baton.build/Debug/RickAndMorty-p.build/Objects-normal/arm64/Baton.baton.o -index-store-path /Users/admin/builder/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 macosSpm