Lurker – Build Information – Swift Package Index

Build Information

Failed to build Lurker, reference main (b7e24e), with Swift 6.4 for macOS (SPM) on 18 Sep 2026 06:35:24 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/Sam-Spencer/Lurker.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Sam-Spencer/Lurker
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at b7e24ef Create FUNDING.yml
Cloned https://github.com/Sam-Spencer/Lurker.git
Revision (git rev-parse @):
b7e24ef863a1a41af0cca5e52b4147828c97b032
SUCCESS checkout https://github.com/Sam-Spencer/Lurker.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/Sam-Spencer/Lurker.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Planning deferred tasks]
[19 / 28]
[20 / 29] Lurker
[30 / 67]
[35 / 67]
[38 / 67]
[39 / 67]
[43 / 67]
[45 / 67]
[48 / 67]
[51 / 67]
[53 / 67]
[54 / 67]
error: SwiftCompile normal arm64 failed with a nonzero exit code. Command line:     cd /Users/admin/builder

/Users/admin/builder/spi-builder-workspace/Sources/Lurker/Lurker.swift:111:43: [1;31merror: [1;39m'BGTask' is unavailable in macOS[0;0m
[0;36m109 |[0;0m     // MARK: - Handling
[0;36m110 |[0;0m
[0;36m111 |[0;0m     func handleMission(backgroundProcess: [4;39mBGTask[0;0m, mission: Mission) {
    [0;36m|[0;0m                                           `- [1;31merror: [1;39m'BGTask' is unavailable in macOS[0;0m
[0;36m112 |[0;0m         scheduleMission(mission)
[0;36m113 |[0;0m
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk/System/Library/Frameworks/BackgroundTasks.framework/Headers/BGTask.h:17:12: [1;39mnote: [1;39m'BGTask' has been explicitly marked unavailable here[0;0m
 [0;36m15 |[0;0m /// background.
 [0;36m16 |[0;0m BG_EXTERN API_AVAILABLE(ios(13.0), tvos(13.0)) API_UNAVAILABLE(macos) API_UNAVAILABLE(watchos)
 [0;36m17 |[0;0m @interface BGTask : NSObject
    [0;36m|[0;0m            `- [1;39mnote: [1;39m'BGTask' has been explicitly marked unavailable here[0;0m
 [0;36m18 |[0;0m
 [0;36m19 |[0;0m /// The string identifier of the task.
/Users/admin/builder/spi-builder-workspace/Sources/Lurker/Mission.swift:58:30: [1;31merror: [1;39m'BGTask' is unavailable in macOS[0;0m
[0;36m56 |[0;0m     ///   does not complete before the `taskInfo`'s `expirationHandler` is called.
[0;36m57 |[0;0m     ///
[0;36m58 |[0;0m     func runTask(_ taskInfo: [4;39mBGTask[0;0m) async -> Bool
   [0;36m|[0;0m                              `- [1;31merror: [1;39m'BGTask' is unavailable in macOS[0;0m
[0;36m59 |[0;0m
[0;36m60 |[0;0m     /// Specify the earliest allowable time (from now) that the system may schedule this
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk/System/Library/Frameworks/BackgroundTasks.framework/Headers/BGTask.h:17:12: [1;39mnote: [1;39m'BGTask' has been explicitly marked unavailable here[0;0m
 [0;36m15 |[0;0m /// background.
 [0;36m16 |[0;0m BG_EXTERN API_AVAILABLE(ios(13.0), tvos(13.0)) API_UNAVAILABLE(macos) API_UNAVAILABLE(watchos)
 [0;36m17 |[0;0m @interface BGTask : NSObject
    [0;36m|[0;0m            `- [1;39mnote: [1;39m'BGTask' has been explicitly marked unavailable here[0;0m
 [0;36m18 |[0;0m
 [0;36m19 |[0;0m /// The string identifier of the task.
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/Lurker/Lurker.swift /Users/admin/builder/spi-builder-workspace/Sources/Lurker/Mission.swift -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/Lurker.build/Debug/Lurker-t.build/Objects-normal/arm64/Lurker-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 -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 -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/out/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Lurker.build/Debug/Lurker-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Lurker.build/Debug/Lurker-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Lurker.build/Debug/Lurker-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Lurker -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Lurker.build/Debug/Lurker-t.build/Objects-normal/arm64/Lurker_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 -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Lurker.build/Debug/Lurker-t.build/Objects-normal/arm64/Lurker.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Lurker.build/Debug/Lurker-t.build/Objects-normal/arm64/Lurker.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Lurker.build/Debug/Lurker-t.build/Objects-normal/arm64/Lurker-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Lurker.build/Debug/Lurker-t.build/Objects-normal/arm64/Lurker-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Lurker.build/Debug/Lurker-t.build/Objects-normal/arm64/Lurker-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Lurker.build/Debug/Lurker-t.build/Objects-normal/arm64/Lurker.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Lurker.build/Debug/Lurker-t.build/Objects-normal/arm64/Lurker.abi.json
error: Build failed
BUILD FAILURE 6.4 macosSpm