Swift Package Index

Build Information

Failed to build PlaygroundTools, reference main (f331e2), with Swift 6.4 for macOS (SPM) on 18 Sep 2026 18:29:33 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/liamnichols/swift-playground-tools.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/liamnichols/swift-playground-tools
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at f331e26 Remove GeneratorError.swift
Cloned https://github.com/liamnichols/swift-playground-tools.git
Revision (git rev-parse @):
f331e26ce0faeed6910d14fe37524b6dd9209be0
SUCCESS checkout https://github.com/liamnichols/swift-playground-tools.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/liamnichols/swift-playground-tools.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 453]
[Planning deferred tasks]
[1 / 220]
[104 / 220]
[117 / 238] JSONUtilities
[125 / 252]
[128 / 252]
[131 / 252]
[140 / 252] JSONUtilities
[143 / 345] PathKit
[154 / 345] JSONUtilities
[163 / 345]
[166 / 345]
[170 / 345]
[174 / 345]
[177 / 345]
[180 / 345]
[184 / 345]
[188 / 345]
[192 / 345]
[195 / 345]
[197 / 345] CYaml
[198 / 345]
[201 / 345]
[203 / 345] CYaml
[212 / 346] CYaml
[217 / 346] JSONUtilities
[222 / 346]
[226 / 346] ArgumentParser
[240 / 391]
[244 / 391]
[251 / 391]
[256 / 391]
[258 / 391]
[260 / 391]
[265 / 391]
[276 / 391] Version
[277 / 391]
[298 / 391]
[300 / 391] Yams
[303 / 391]
[306 / 391] Yams
[314 / 391] Yams
[320 / 393]
[322 / 393] Yams
[324 / 393] XcodeGenCore
[334 / 412] Yams
[334 / 412] XcodeGenCore
[340 / 412] XcodeGenCore
[342 / 412]
[353 / 412] ArgumentParser
[354 / 412] XcodeProj
[358 / 412] XcodeProj
[361 / 412] ArgumentParser
[368 / 412] XcodeProj
[369 / 412] XcodeProj
[370 / 412] ArgumentParser
[378 / 413]
[378 / 413] ProjectSpec
[384 / 428] ArgumentParser
[390 / 428] ProjectSpec
[393 / 428] ProjectSpec
[395 / 428] XcodeProj
[397 / 428] ProjectSpec
[404 / 429] ProjectSpec
[404 / 429] XcodeGenKit
[413 / 440] XcodeGenKit
[422 / 441]
[424 / 441] ProjectSpec
[424 / 441] PlaygroundToolsKit
[430 / 447] PlaygroundToolsKit
Fetching https://github.com/apple/swift-argument-parser.git
Fetching https://github.com/yonaskolb/XcodeGen.git
Fetching https://github.com/kylef/PathKit.git
[1/1460] Fetching pathkit
[1461/20378] Fetching pathkit, swift-argument-parser
[1651/47360] Fetching pathkit, swift-argument-parser, xcodegen
Fetched https://github.com/kylef/PathKit.git (2.91s)
Fetched https://github.com/apple/swift-argument-parser.git (2.91s)
Fetched https://github.com/yonaskolb/XcodeGen.git (2.91s)
Computing version for https://github.com/kylef/PathKit.git
Computed https://github.com/kylef/PathKit.git at 1.0.1 (5.14s)
Fetching https://github.com/kylef/Spectre.git
[1/1021] Fetching spectre
Fetched https://github.com/kylef/Spectre.git (1.04s)
Computing version for https://github.com/kylef/Spectre.git
Computed https://github.com/kylef/Spectre.git at 0.10.1 (1.81s)
Computing version for https://github.com/apple/swift-argument-parser.git
Computed https://github.com/apple/swift-argument-parser.git at 1.8.2 (0.64s)
Computing version for https://github.com/yonaskolb/XcodeGen.git
Computed https://github.com/yonaskolb/XcodeGen.git at 2.46.0 (0.61s)
Fetching https://github.com/tuist/XcodeProj.git
Fetching https://github.com/onevcat/Rainbow.git
Fetching https://github.com/yonaskolb/JSONUtilities.git
Fetching https://github.com/jpsim/Yams.git
Fetching https://github.com/jakeheis/SwiftCLI.git
Fetching https://github.com/mxcl/Version
[1/1478] Fetching rainbow
[2/2831] Fetching rainbow, jsonutilities
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[31/8222] Fetching rainbow, jsonutilities, swiftcli, version
[1158/20083] Fetching rainbow, jsonutilities, swiftcli, version, yams
[4217/45215] Fetching rainbow, jsonutilities, swiftcli, version, yams, xcodeproj
Fetched https://github.com/tuist/XcodeProj.git (2.82s)
Fetched https://github.com/onevcat/Rainbow.git (2.82s)
[16471/18605] Fetching jsonutilities, swiftcli, version, yams
Fetched https://github.com/yonaskolb/JSONUtilities.git (3.36s)
Fetched https://github.com/jpsim/Yams.git (3.36s)
Fetched https://github.com/jakeheis/SwiftCLI.git (3.36s)
Fetched https://github.com/mxcl/Version (3.36s)
Computing version for https://github.com/jakeheis/SwiftCLI.git
Computed https://github.com/jakeheis/SwiftCLI.git at 6.0.3 (4.06s)
Computing version for https://github.com/tuist/XcodeProj.git
Computed https://github.com/tuist/XcodeProj.git at 9.14.0 (0.57s)
Fetching https://github.com/tadija/AEXML.git
[1/2159] Fetching aexml
Fetched https://github.com/tadija/AEXML.git (1.45s)
Computing version for https://github.com/yonaskolb/JSONUtilities.git
Computed https://github.com/yonaskolb/JSONUtilities.git at 4.2.0 (2.17s)
Computing version for https://github.com/tadija/AEXML.git
warning: 'aexml': /Package.swift:11:19: warning: 'v4' is deprecated: watchOS 9.0 is the oldest supported version [#DeprecatedDeclaration]
 9 |         .macOS(.v10_13),
10 |         .tvOS(.v12),
11 |         .watchOS(.v4)
   |                   `- warning: 'v4' is deprecated: watchOS 9.0 is the oldest supported version [#DeprecatedDeclaration]
12 |     ],
13 |     products: [
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
Computed https://github.com/tadija/AEXML.git at 4.7.0 (0.54s)
Computing version for https://github.com/mxcl/Version
Computed https://github.com/mxcl/Version at 2.2.1 (0.67s)
Computing version for https://github.com/onevcat/Rainbow.git
Computed https://github.com/onevcat/Rainbow.git at 4.2.1 (2.24s)
Computing version for https://github.com/jpsim/Yams.git
Computed https://github.com/jpsim/Yams.git at 5.4.0 (0.68s)
Creating working copy for https://github.com/kylef/PathKit.git
Working copy of https://github.com/kylef/PathKit.git resolved at 1.0.1
Creating working copy for https://github.com/jpsim/Yams.git
Working copy of https://github.com/jpsim/Yams.git resolved at 5.4.0
Creating working copy for https://github.com/kylef/Spectre.git
Working copy of https://github.com/kylef/Spectre.git resolved at 0.10.1
Creating working copy for https://github.com/tuist/XcodeProj.git
Working copy of https://github.com/tuist/XcodeProj.git resolved at 9.14.0
Creating working copy for https://github.com/apple/swift-argument-parser.git
Working copy of https://github.com/apple/swift-argument-parser.git resolved at 1.8.2
Creating working copy for https://github.com/jakeheis/SwiftCLI.git
Working copy of https://github.com/jakeheis/SwiftCLI.git resolved at 6.0.3
Creating working copy for https://github.com/yonaskolb/JSONUtilities.git
Working copy of https://github.com/yonaskolb/JSONUtilities.git resolved at 4.2.0
Creating working copy for https://github.com/mxcl/Version
Working copy of https://github.com/mxcl/Version resolved at 2.2.1
Creating working copy for https://github.com/yonaskolb/XcodeGen.git
Working copy of https://github.com/yonaskolb/XcodeGen.git resolved at 2.46.0
Creating working copy for https://github.com/tadija/AEXML.git
Working copy of https://github.com/tadija/AEXML.git resolved at 4.7.0
Creating working copy for https://github.com/onevcat/Rainbow.git
Working copy of https://github.com/onevcat/Rainbow.git resolved at 4.2.1
warning: 'aexml': /Users/admin/builder/spi-builder-workspace/.build/checkouts/AEXML/Package.swift:11:19: warning: 'v4' is deprecated: watchOS 9.0 is the oldest supported version [#DeprecatedDeclaration]
 9 |         .macOS(.v10_13),
10 |         .tvOS(.v12),
11 |         .watchOS(.v4)
   |                   `- warning: 'v4' is deprecated: watchOS 9.0 is the oldest supported version [#DeprecatedDeclaration]
12 |     ],
13 |     products: [
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
error: SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/PlaygroundToolsKit/XcodeProject.swift failed with a nonzero exit code. Command line:     cd /Users/admin/builder
    builtin-SwiftPerFileCompile XcodeProject.swift
/Users/admin/builder/spi-builder-workspace/Sources/PlaygroundToolsKit/XcodeProject.swift:95:46: error: cannot convert value of type 'Optional<String>' to closure result type 'BuildSetting?'
 93 |                             "SWIFT_VERSION": "5.0",
 94 |                             "TARGETED_DEVICE_FAMILY": "1,2",
 95 |                         ].compactMapValues({ $0 }),
    |                                              |- error: cannot convert value of type 'Optional<String>' to closure result type 'BuildSetting?'
    |                                              `- note: arguments to generic parameter 'Wrapped' ('String' and 'BuildSetting') are expected to be equal
 96 |                         configSettings: [:],
 97 |                         groups: []
/Users/admin/builder/spi-builder-workspace/Sources/PlaygroundToolsKit/XcodeProject.swift:198:39: error: incorrect argument label in call (have 'product:', expected 'products:')
196 |                 values.append(
197 |                     ProjectSpec.Dependency(
198 |                         type: .package(product: product),
    |                                       `- error: incorrect argument label in call (have 'product:', expected 'products:')
199 |                         reference: dependency.identity,
200 |                         embed: nil,
/Users/admin/builder/spi-builder-workspace/Sources/PlaygroundToolsKit/XcodeProject.swift:198:49: error: cannot convert value of type 'String' to expected argument type '[String]'
196 |                 values.append(
197 |                     ProjectSpec.Dependency(
198 |                         type: .package(product: product),
    |                                                 `- error: cannot convert value of type 'String' to expected argument type '[String]'
199 |                         reference: dependency.identity,
200 |                         embed: nil,
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/PlaygroundToolsKit/Package.swift /Users/admin/builder/spi-builder-workspace/Sources/PlaygroundToolsKit/PackageLoaders/HackyV4PackageLoader.swift /Users/admin/builder/spi-builder-workspace/Sources/PlaygroundToolsKit/StringError.swift /Users/admin/builder/spi-builder-workspace/Sources/PlaygroundToolsKit/SwiftPlaygroundApp.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/PlaygroundToolsKit/XcodeProject.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/PlaygroundTools.build/Debug/PlaygroundToolsKit-t.build/Objects-normal/arm64/XcodeProject.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/PlaygroundTools.build/Debug/PlaygroundToolsKit-t.build/Objects-normal/arm64/XcodeProject.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/PlaygroundTools.build/Debug/PlaygroundToolsKit-t.build/Objects-normal/arm64/XcodeProject.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/PlaygroundTools.build/Debug/PlaygroundToolsKit-t.build/Objects-normal/arm64/XcodeProject.dia -target arm64-apple-macos12.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/PlaygroundTools.build/Debug/PlaygroundToolsKit-t.build/Objects-normal/arm64/PlaygroundToolsKit-dependencies-1.json -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/.build/out/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/.build/out/Products/Debug/PackageFrameworks -F /Users/admin/builder/spi-builder-workspace/.build/out/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/.build/out/Intermediates.noindex/SwiftExplicitPrecompiledModules -color-diagnostics -Xcc -fcolor-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -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 -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.build/checkouts/Yams/Sources/CYaml/include/module.modulemap -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.build/out/SDKStatCaches.noindex/macosx27.0-26A425-80c5bbf1d171475443272936d42f90a36a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/checkouts/Yams/Sources/CYaml/include -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/PlaygroundTools.build/Debug/PlaygroundToolsKit-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/PlaygroundTools.build/Debug/PlaygroundToolsKit-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/PlaygroundTools.build/Debug/PlaygroundToolsKit-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name PlaygroundToolsKit -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/PlaygroundTools.build/Debug/PlaygroundToolsKit-t.build/Objects-normal/arm64/PlaygroundToolsKit_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-Release.Candidate.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/PlaygroundTools.build/Debug/PlaygroundToolsKit-t.build/Objects-normal/arm64/XcodeProject.o -debug-module-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/PlaygroundTools.build/Debug/PlaygroundToolsKit-t.build/Objects-normal/arm64/PlaygroundToolsKit.swiftmodule -index-unit-output-path /PlaygroundTools.build/Debug/PlaygroundToolsKit-t.build/Objects-normal/arm64/XcodeProject.o -index-store-path /Users/admin/builder/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 macosSpm