Auth – Build Information – Swift Package Index

Build Information

Failed to build Auth, reference 0.5.2 (077bf9), with Swift 6.4 for macOS (SPM) on 20 Sep 2026 03:13:55 UTC.

Build Command

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

Build Log

========================================
RunAll
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Builder version: 5.1.0
Interrupt handler set up.
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Checkout
========================================
Clone URL: https://github.com/barrault01/google-auth-library-swift.git
Reference: 0.5.2
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/barrault01/google-auth-library-swift
 * tag               0.5.2      -> FETCH_HEAD
HEAD is now at 077bf9b Bump crypto
Cloned https://github.com/barrault01/google-auth-library-swift.git
Revision (git rev-parse @):
077bf9b1f65311fbc6be34e8ba8b34ae0f8403b5
SUCCESS checkout https://github.com/barrault01/google-auth-library-swift.git at 0.5.2
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/barrault01/google-auth-library-swift.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 / 1213]
[Planning deferred tasks]
[Starting]
[7 / 460] NIO-product
[218 / 460] swift-nio_NIOPosix
[222 / 460]
[235 / 468] NIOConcurrencyHelpers
[242 / 495] CNIOWindows
[245 / 497] CNIOWindows
[250 / 506]
[260 / 538] SwiftyBase64
[272 / 564]
[289 / 564]
[307 / 590]
[314 / 601]
[321 / 601] InternalCollectionsUtilities
[336 / 601]
[341 / 601] _AtomicsShims
[349 / 601] InternalCollectionsUtilities
[355 / 601] SwiftyBase64
[364 / 601] CNIOLLHTTP
[371 / 601] Atomics
[374 / 616]
[383 / 616]
[391 / 616]
[393 / 616]
[397 / 616] Atomics
[413 / 616] NIOConcurrencyHelpers
[424 / 616] NIOConcurrencyHelpers
[429 / 616] NIOConcurrencyHelpers
[432 / 616]
[434 / 616] Atomics-product
[443 / 616] SwiftyBase64
[447 / 617] Atomics
[458 / 628] ContainersPreview
[462 / 628] ContainersPreview
[471 / 629] DequeModule
[479 / 640] DequeModule
[481 / 640] DequeModule
[483 / 640] DequeModule
[489 / 640] BigInt
[492 / 640] CryptoSwiftResources
[506 / 640] BigInt
[507 / 640] BigInt
[508 / 640] BigInt
[510 / 641]
[519 / 642]
[519 / 642] NIOCore
[525 / 670] CryptoSwift
[527 / 670] BigInt
[531 / 670] CryptoSwiftResources
[532 / 670] CryptoSwiftResources
[535 / 670]
[536 / 670] CryptoSwift
[537 / 670] NIOCore
[538 / 670] NIOCore
[540 / 670] NIOCore
[542 / 670] CryptoSwift
[544 / 670] CryptoSwift
[551 / 670] NIOCore
[553 / 670] CryptoSwift
[554 / 670] CryptoSwift-product
[557 / 670] NIOCore
[557 / 670] CNIOAtomics
[559 / 670] NIOCore
[561 / 670] CryptoSwift
[561 / 670] NIOCore
[571 / 672] NIOCore
[571 / 672] NIOEmbedded
[575 / 676] NIOPosix
[592 / 705] NIOEmbedded
[595 / 705]
[598 / 705] NIOEmbedded
[598 / 705]
[600 / 705]
[601 / 705]
[612 / 705] NIOPosix
[619 / 706] NIOPosix
[619 / 706] NIO
[627 / 708] NIO
[629 / 709] NIOPosix
[629 / 709] NIOHTTP1
[640 / 721] NIOHTTP1
[641 / 721] NIOHTTP1
[648 / 722] NIOHTTP1
[649 / 722] TinyHTTPServer
[658 / 731] TinyHTTPServer
[666 / 733] TinyHTTPServer
[667 / 733] NIOPosix
[670 / 733] NIO
[673 / 733] TinyHTTPServer-product
[673 / 733] OAuth1
[685 / 780]
[689 / 780]
[694 / 780]
[696 / 780]
[698 / 780]
[700 / 780]
[701 / 780]
[713 / 780] OAuth2
[715 / 780] OAuth1
[730 / 780] OAuth1-product
[737 / 781]
[747 / 783]
Fetching https://github.com/attaswift/BigInt
Fetching https://github.com/apple/swift-nio.git
Fetching https://github.com/krzyzanowskim/CryptoSwift.git
[1/13439] Fetching cryptoswift
[2/18378] Fetching cryptoswift, bigint
[2255/104451] Fetching cryptoswift, bigint, swift-nio
Fetched https://github.com/krzyzanowskim/CryptoSwift.git (5.51s)
[2393/91012] Fetching bigint, swift-nio
Fetched https://github.com/apple/swift-nio.git (19.08s)
Fetched https://github.com/attaswift/BigInt (19.08s)
Computing version for https://github.com/attaswift/BigInt
Computed https://github.com/attaswift/BigInt at 4.0.0 (21.32s)
Computing version for https://github.com/krzyzanowskim/CryptoSwift.git
Computed https://github.com/krzyzanowskim/CryptoSwift.git at 1.10.0 (0.67s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.103.0 (0.71s)
Fetching https://github.com/apple/swift-collections.git
Fetching https://github.com/apple/swift-atomics.git
Fetching https://github.com/apple/swift-system.git
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Fetched https://github.com/apple/swift-atomics.git (1.18s)
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Fetched https://github.com/apple/swift-system.git (3.01s)
Fetched https://github.com/apple/swift-collections.git (3.01s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.1 (3.63s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.6.0 (0.68s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.8.1 (0.62s)
Creating working copy for https://github.com/krzyzanowskim/CryptoSwift.git
Working copy of https://github.com/krzyzanowskim/CryptoSwift.git resolved at 1.10.0
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.6.0
Creating working copy for https://github.com/apple/swift-system.git
Working copy of https://github.com/apple/swift-system.git resolved at 1.8.1
Creating working copy for https://github.com/attaswift/BigInt
Working copy of https://github.com/attaswift/BigInt resolved at 4.0.0
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.1
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.103.0
error: SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/OAuth1/Connection.swift failed with a nonzero exit code. Command line:     cd /Users/admin/builder
    builtin-SwiftPerFileCompile Connection.swift
/Users/admin/builder/spi-builder-workspace/Sources/OAuth1/Connection.swift:49:52: [1;31merror: [1;39mcannot force unwrap value of non-optional type 'String'[0;0m
 [0;36m47 |[0;0m     // generate the signature
 [0;36m48 |[0;0m     let hmac = try! CryptoSwift.HMAC(key: secret, variant: .sha1).authenticate(Array(signatureBaseString.utf8))
 [0;36m49 |[0;0m     parameters["oauth_signature"] = [4;39mhmac.toBase64()![0;0m
    [0;36m|[0;0m                                                    `- [1;31merror: [1;39mcannot force unwrap value of non-optional type 'String'[0;0m
 [0;36m50 |[0;0m   }
 [0;36m51 |[0;0m
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/OAuth1/BrowserTokenProvider.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/OAuth1/Connection.swift /Users/admin/builder/spi-builder-workspace/Sources/OAuth1/Token.swift /Users/admin/builder/spi-builder-workspace/Sources/OAuth1/TokenProvider.swift /Users/admin/builder/spi-builder-workspace/Sources/OAuth1/encode.swift /Users/admin/builder/spi-builder-workspace/Sources/OAuth1/openURL.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Auth.build/Debug/OAuth1-t.build/Objects-normal/arm64/Connection.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Auth.build/Debug/OAuth1-t.build/Objects-normal/arm64/Connection.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Auth.build/Debug/OAuth1-t.build/Objects-normal/arm64/Connection.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Auth.build/Debug/OAuth1-t.build/Objects-normal/arm64/Connection.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/libPreviewsMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#PreviewsMacros -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 -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libSwiftUIMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.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/Auth.build/Debug/OAuth1-t.build/Objects-normal/arm64/OAuth1-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/swift-atomics/Sources/_AtomicsShims/include/module.modulemap -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/GeneratedModuleMaps/CNIOLLHTTP.modulemap -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/GeneratedModuleMaps/CNIOPosix.modulemap -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/GeneratedModuleMaps/CNIOWASI.modulemap -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOWindows/include/module.modulemap -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/GeneratedModuleMaps/CNIOLinux.modulemap -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/GeneratedModuleMaps/CNIODarwin.modulemap -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/GeneratedModuleMaps/CNIOFreeBSD.modulemap -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/GeneratedModuleMaps/CNIOOpenBSD.modulemap -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/GeneratedModuleMaps/CNIOAtomics.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/swift-atomics/Sources/_AtomicsShims/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOLLHTTP/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOPosix/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOWASI/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOWindows/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOLinux/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIODarwin/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOFreeBSD/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOOpenBSD/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-nio/Sources/CNIOAtomics/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/Auth.build/Debug/OAuth1-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Auth.build/Debug/OAuth1-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Auth.build/Debug/OAuth1-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name OAuth1 -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Auth.build/Debug/OAuth1-t.build/Objects-normal/arm64/OAuth1_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/Auth.build/Debug/OAuth1-t.build/Objects-normal/arm64/Connection.o -debug-module-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Auth.build/Debug/OAuth1-t.build/Objects-normal/arm64/OAuth1.swiftmodule -index-unit-output-path /Auth.build/Debug/OAuth1-t.build/Objects-normal/arm64/Connection.o -index-store-path /Users/admin/builder/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 macosSpm