Swift Package Index

Build Information

Failed to build FuturaAsync, reference master (52a7f9), with Swift 6.4 for macOS (SPM) on 15 Sep 2026 19:25:27 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/kaqu/futuraasync.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/kaqu/futuraasync
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 52a7f9c Result -> Either change
Cloned https://github.com/kaqu/futuraasync.git
Revision (git rev-parse @):
52a7f9c39634d26b53bacc4099786e4001df42cc
SUCCESS checkout https://github.com/kaqu/futuraasync.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/kaqu/futuraasync.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Pre-planning 1 / 96]
[Planning deferred tasks]
[25 / 42]
[37 / 54] FuturaFunc
[38 / 54] FuturaFunc
[54 / 66] FuturaAsync
Fetching https://github.com/kaqu/FuturaFunc.git
[1/90] Fetching futurafunc
Fetched https://github.com/kaqu/FuturaFunc.git (0.85s)
Creating working copy for https://github.com/kaqu/FuturaFunc.git
Working copy of https://github.com/kaqu/FuturaFunc.git resolved at master (aae2984)
/Users/admin/builder/spi-builder-workspace/Sources/FuturaAsync/Future/Promise.swift:7:5: warning: 'public' modifier is redundant for initializer declared in a public extension
 5 | public extension Promise {
 6 |
 7 |     public convenience init<T>(using worker: Worker = asyncWorker, withRetriesCount retryCount: UInt = 0, performing task: @escaping () throws -> (T))  where Value == Either<T, Error> {
   |     `- warning: 'public' modifier is redundant for initializer declared in a public extension
 8 |         self.init()
 9 |         var lastError: Error?
/Users/admin/builder/spi-builder-workspace/Sources/FuturaAsync/Future/Promise.swift:19:5: warning: 'public' modifier is redundant for instance method declared in a public extension
17 |     }
18 |
19 |     public func fulfill<T>(with value: T) where Value == Either<T, Error> {
   |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
20 |         future.becomeLeft(with: value)
21 |     }
/Users/admin/builder/spi-builder-workspace/Sources/FuturaAsync/Future/Promise.swift:23:5: warning: 'public' modifier is redundant for instance method declared in a public extension
21 |     }
22 |
23 |     public func `break`<T>(with error: Error = PromiseError.cancelled) where Value == Either<T, Error> {
   |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
24 |         future.becomeRight(with: error)
25 |     }
error: SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/FuturaAsync/Future/Future.swift failed with a nonzero exit code. Command line:     cd /Users/admin/builder
    builtin-SwiftPerFileCompile Future.swift
/Users/admin/builder/spi-builder-workspace/Sources/FuturaAsync/Future/Future.swift:16:28: error: cannot find 'expectation' in scope
14 |     deinit {
15 |         #if DEBUG
16 |         guard case .none = expectation else { return }
   |                            `- error: cannot find 'expectation' in scope
17 |         print("WARNING - dealocating not completed future! - \(self)")
18 |         #endif
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/FuturaAsync/Future/Catchable.swift /Users/admin/builder/spi-builder-workspace/Sources/FuturaAsync/Future/Delayed.swift /Users/admin/builder/spi-builder-workspace/Sources/FuturaAsync/Future/EitherFuture.swift /Users/admin/builder/spi-builder-workspace/Sources/FuturaAsync/Future/FailableFuture.swift /Users/admin/builder/spi-builder-workspace/Sources/FuturaAsync/Future/Future+Join.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/FuturaAsync/Future/Future.swift /Users/admin/builder/spi-builder-workspace/Sources/FuturaAsync/Future/Promise.swift /Users/admin/builder/spi-builder-workspace/Sources/FuturaAsync/Schedule/DispatchQueueWorker.swift /Users/admin/builder/spi-builder-workspace/Sources/FuturaAsync/Schedule/ExecutionContext.swift /Users/admin/builder/spi-builder-workspace/Sources/FuturaAsync/Schedule/Schedule.swift /Users/admin/builder/spi-builder-workspace/Sources/FuturaAsync/Schedule/Worker.swift /Users/admin/builder/spi-builder-workspace/Sources/FuturaAsync/Synchronization/Lock.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/FuturaAsync.build/Debug/FuturaAsync-t.build/Objects-normal/arm64/Future.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/FuturaAsync.build/Debug/FuturaAsync-t.build/Objects-normal/arm64/Future.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/FuturaAsync.build/Debug/FuturaAsync-t.build/Objects-normal/arm64/Future.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/FuturaAsync.build/Debug/FuturaAsync-t.build/Objects-normal/arm64/Future.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/.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/ModuleCache.noindex -color-diagnostics -Xcc -fcolor-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -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/.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/FuturaAsync.build/Debug/FuturaAsync-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/FuturaAsync.build/Debug/FuturaAsync-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/FuturaAsync.build/Debug/FuturaAsync-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name FuturaAsync -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/FuturaAsync.build/Debug/FuturaAsync-t.build/Objects-normal/arm64/FuturaAsync_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/.build/out/Intermediates.noindex/FuturaAsync.build/Debug/FuturaAsync-t.build/Objects-normal/arm64/Future.o -index-unit-output-path /FuturaAsync.build/Debug/FuturaAsync-t.build/Objects-normal/arm64/Future.o -index-store-path /Users/admin/builder/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 macosSpm