Store – Build Information – Swift Package Index

Build Information

Failed to build Store, reference 3.8.0 (4586ab), with Swift 6.4 for macOS (SPM) on 17 Sep 2026 23:32:01 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/alexdrone/Store.git
Reference: 3.8.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/alexdrone/Store
 * tag               3.8.0      -> FETCH_HEAD
HEAD is now at 4586abe Fix demo
Cloned https://github.com/alexdrone/Store.git
Revision (git rev-parse @):
4586abebae909f9ceb583e0c40aaa5d914afed17
SUCCESS checkout https://github.com/alexdrone/Store.git at 3.8.0
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/alexdrone/Store.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Constructing description]
[Planning deferred tasks]
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[44 / 78] OpenCombine
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[124 / 141] OpenCombineDispatch
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Fetching https://github.com/apple/swift-log.git
Fetching https://github.com/OpenCombine/OpenCombine.git
[1/8096] Fetching swift-log
[2/16380] Fetching swift-log, opencombine
Fetched https://github.com/OpenCombine/OpenCombine.git (1.50s)
Fetched https://github.com/apple/swift-log.git (1.50s)
Computing version for https://github.com/OpenCombine/OpenCombine.git
Computed https://github.com/OpenCombine/OpenCombine.git at 0.14.0 (2.24s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.15.1 (0.58s)
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.15.1
Creating working copy for https://github.com/OpenCombine/OpenCombine.git
Working copy of https://github.com/OpenCombine/OpenCombine.git resolved at 0.14.0
error: SwiftCompile normal arm64 failed with a nonzero exit code. Command line:     cd /Users/admin/builder

/Users/admin/builder/spi-builder-workspace/Sources/Store/action/Action.swift:98:60: [1;31merror: [1;39mcannot specialize 'Self'[0;0m
 [0;36m96 |[0;0m   }
 [0;36m97 |[0;0m
 [0;36m98 |[0;0m   public func cancel(context: TransactionContext<Store<M>, Self<M, V>>) { }
    [0;36m|[0;0m                                                            |- [1;31merror: [1;39mcannot specialize 'Self'[0;0m
    [0;36m|[0;0m                                                            `- [1;39mnote: [1;39mdid you mean to explicitly reference 'Mutate' instead?[0;0m
 [0;36m99 |[0;0m }
[0;36m100 |[0;0m
/Users/admin/builder/spi-builder-workspace/Sources/Store/action/Action.swift:157:60: [1;31merror: [1;39mcannot specialize 'Self'[0;0m
[0;36m155 |[0;0m   }
[0;36m156 |[0;0m
[0;36m157 |[0;0m   public func cancel(context: TransactionContext<Store<M>, Self<M, V>>) { }
    [0;36m|[0;0m                                                            |- [1;31merror: [1;39mcannot specialize 'Self'[0;0m
    [0;36m|[0;0m                                                            `- [1;39mnote: [1;39mdid you mean to explicitly reference 'Assign' instead?[0;0m
[0;36m158 |[0;0m }
[0;36m159 |[0;0m
/Users/admin/builder/spi-builder-workspace/Sources/Store/concurrency/Operations.swift:3:20: [1;33mwarning: [1;39mclass 'TransactionOperation' must restate inherited '@unchecked Sendable' conformance[0;0m
 [0;36m1 |[0;0m import Foundation
 [0;36m2 |[0;0m
 [0;36m3 |[0;0m public final class TransactionOperation<T: AnyTransaction>: AsyncOperation {
   [0;36m|[0;0m                    `- [1;33mwarning: [1;39mclass 'TransactionOperation' must restate inherited '@unchecked Sendable' conformance[0;0m
 [0;36m4 |[0;0m
 [0;36m5 |[0;0m   /// The associated transaction.
/Users/admin/builder/spi-builder-workspace/Sources/Store/concurrency/Operations.swift:40:12: [1;33mwarning: [1;39mclass 'AsyncOperation' must restate inherited '@unchecked Sendable' conformance[0;0m
[0;36m38 |[0;0m /// Subclasses are expected to override the 'execute' function and call
[0;36m39 |[0;0m /// the function 'finish' when they're done with their task.
[0;36m40 |[0;0m open class AsyncOperation: Operation {
   [0;36m|[0;0m            `- [1;33mwarning: [1;39mclass 'AsyncOperation' must restate inherited '@unchecked Sendable' conformance[0;0m
[0;36m41 |[0;0m
[0;36m42 |[0;0m   /// The completion block type for this operation.
/Users/admin/builder/spi-builder-workspace/Sources/Store/middleware/Middleware.swift:14:29: [1;33mwarning: [1;39musing 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead[0;0m [#deprecation]
[0;36m12 |[0;0m /// *Logging*, *undo/redo* and *local/remote database synchronization* are a good examples of when
[0;36m13 |[0;0m /// a middleware could be necessary.
[0;36m14 |[0;0m public protocol Middleware: class {
   [0;36m|[0;0m                             `- [1;33mwarning: [1;39musing 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead[0;0m [#deprecation]
[0;36m15 |[0;0m
[0;36m16 |[0;0m   /// This function is called whenever a running transaction changes its state.
/Users/admin/builder/spi-builder-workspace/Sources/Store/serialization/DictionaryCodable.swift:34:3: [1;33mwarning: [1;39mnon-'@objc' instance method declared in extension cannot be overridden; use 'public' instead; this will be an error in a future Swift language mode[0;0m
 [0;36m32 |[0;0m
 [0;36m33 |[0;0m extension DictionaryEncoder {
 [0;36m34 |[0;0m   open func encode<T: Encodable>(_ value: T) throws -> [String: Any] {
    [0;36m|[0;0m   `- [1;33mwarning: [1;39mnon-'@objc' instance method declared in extension cannot be overridden; use 'public' instead; this will be an error in a future Swift language mode[0;0m
 [0;36m35 |[0;0m     do {
 [0;36m36 |[0;0m       return try castOrThrow([String: Any].self, try box(value))
/Users/admin/builder/spi-builder-workspace/Sources/Store/serialization/DictionaryCodable.swift:488:3: [1;33mwarning: [1;39mnon-'@objc' instance method declared in extension cannot be overridden; use 'public' instead; this will be an error in a future Swift language mode[0;0m
[0;36m486 |[0;0m
[0;36m487 |[0;0m extension DictionaryDecoder {
[0;36m488 |[0;0m   open func decode<T: Decodable>(_ type: T.Type, from container: Any) throws -> T {
    [0;36m|[0;0m   `- [1;33mwarning: [1;39mnon-'@objc' instance method declared in extension cannot be overridden; use 'public' instead; this will be an error in a future Swift language mode[0;0m
[0;36m489 |[0;0m     storage.push(container: container)
[0;36m490 |[0;0m     return try unbox(container, as: T.self)
/Users/admin/builder/spi-builder-workspace/Sources/Store/store/Store.swift:13:27: [1;33mwarning: [1;39musing 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead[0;0m [#deprecation]
 [0;36m11 |[0;0m /// Represents a opaque reference to a store object.
 [0;36m12 |[0;0m /// `Store` and `CodableStore` are the concrete instances.
 [0;36m13 |[0;0m public protocol AnyStore: class {
    [0;36m|[0;0m                           `- [1;33mwarning: [1;39musing 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead[0;0m [#deprecation]
 [0;36m14 |[0;0m
 [0;36m15 |[0;0m   // MARK: Observation
/Users/admin/builder/spi-builder-workspace/Sources/Store/store/Store.swift:214:57: [1;33mwarning: [1;39mgeneric parameter 'M' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
 [0;36m80 |[0;0m /// }
 [0;36m81 |[0;0m /// ```
 [0;36m82 |[0;0m open class Store<M>: MutableStore, ObservableObject, Identifiable {
    [0;36m|[0;0m                  `- [1;39mnote: [1;39m'M' previously declared here[0;0m
 [0;36m83 |[0;0m
 [0;36m84 |[0;0m   /// A publisher that emits when the model has changed.
    [0;36m:[0;0m
[0;36m212 |[0;0m   /// - parameter action: The action that is going to be executed on this store.
[0;36m213 |[0;0m   /// - parameter mode: The execution strategy (*sync*/*aysnc*).
[0;36m214 |[0;0m   @discardableResult public func transaction<A: Action, M>(
    [0;36m|[0;0m                                                         `- [1;33mwarning: [1;39mgeneric parameter 'M' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
[0;36m215 |[0;0m     action: A,
[0;36m216 |[0;0m     mode: Executor.Mode = .async(nil)
/Users/admin/builder/spi-builder-workspace/Sources/Store/store/Store.swift:237:49: [1;33mwarning: [1;39mgeneric parameter 'M' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
 [0;36m80 |[0;0m /// }
 [0;36m81 |[0;0m /// ```
 [0;36m82 |[0;0m open class Store<M>: MutableStore, ObservableObject, Identifiable {
    [0;36m|[0;0m                  `- [1;39mnote: [1;39m'M' previously declared here[0;0m
 [0;36m83 |[0;0m
 [0;36m84 |[0;0m   /// A publisher that emits when the model has changed.
    [0;36m:[0;0m
[0;36m235 |[0;0m   /// - parameter handler: Invoked when the action has finished running.
[0;36m236 |[0;0m   /// - returns: The transaction associated to this action execution.
[0;36m237 |[0;0m   @discardableResult public func run<A: Action, M>(
    [0;36m|[0;0m                                                 `- [1;33mwarning: [1;39mgeneric parameter 'M' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
[0;36m238 |[0;0m     action: A,
[0;36m239 |[0;0m     mode: Executor.Mode = .async(nil),
/Users/admin/builder/spi-builder-workspace/Sources/Store/store/Store.swift:253:49: [1;33mwarning: [1;39mgeneric parameter 'M' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
 [0;36m80 |[0;0m /// }
 [0;36m81 |[0;0m /// ```
 [0;36m82 |[0;0m open class Store<M>: MutableStore, ObservableObject, Identifiable {
    [0;36m|[0;0m                  `- [1;39mnote: [1;39m'M' previously declared here[0;0m
 [0;36m83 |[0;0m
 [0;36m84 |[0;0m   /// A publisher that emits when the model has changed.
    [0;36m:[0;0m
[0;36m251 |[0;0m   /// This means that `actions[1]` will run after `actions[0]` has completed its execution,
[0;36m252 |[0;0m   /// `actions[2]` after `actions[1]` and so on.
[0;36m253 |[0;0m   @discardableResult public func run<A: Action, M>(
    [0;36m|[0;0m                                                 `- [1;33mwarning: [1;39mgeneric parameter 'M' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
[0;36m254 |[0;0m     actions: [A],
[0;36m255 |[0;0m     mode: Executor.Mode = .async(nil),
/Users/admin/builder/spi-builder-workspace/Sources/Store/store/Store.swift:277:54: [1;33mwarning: [1;39mgeneric parameter 'M' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
 [0;36m80 |[0;0m /// }
 [0;36m81 |[0;0m /// ```
 [0;36m82 |[0;0m open class Store<M>: MutableStore, ObservableObject, Identifiable {
    [0;36m|[0;0m                  `- [1;39mnote: [1;39m'M' previously declared here[0;0m
 [0;36m83 |[0;0m
 [0;36m84 |[0;0m   /// A publisher that emits when the model has changed.
    [0;36m:[0;0m
[0;36m275 |[0;0m   ///                       during a given window of time.
[0;36m276 |[0;0m   /// - returns: A future that is resolved whenever the action has completed its execution.
[0;36m277 |[0;0m   @discardableResult public func futureOf<A: Action, M>(
    [0;36m|[0;0m                                                      `- [1;33mwarning: [1;39mgeneric parameter 'M' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
[0;36m278 |[0;0m     action: A,
[0;36m279 |[0;0m     mode: Executor.Mode = .async(nil),
/Users/admin/builder/spi-builder-workspace/Sources/Store/transactions/Transaction.swift:25:33: [1;33mwarning: [1;39musing 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead[0;0m [#deprecation]
 [0;36m23 |[0;0m
 [0;36m24 |[0;0m /// Represents an individual execution for a given action.
 [0;36m25 |[0;0m public protocol AnyTransaction: class, Cancellable {
    [0;36m|[0;0m                                 `- [1;33mwarning: [1;39musing 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead[0;0m [#deprecation]
 [0;36m26 |[0;0m
 [0;36m27 |[0;0m   // MARK: Properties
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/Store/action/Action.swift /Users/admin/builder/spi-builder-workspace/Sources/Store/action/KeyPath+Introspection.swift /Users/admin/builder/spi-builder-workspace/Sources/Store/concurrency/Executor.swift /Users/admin/builder/spi-builder-workspace/Sources/Store/concurrency/Locking.swift /Users/admin/builder/spi-builder-workspace/Sources/Store/concurrency/Operations.swift /Users/admin/builder/spi-builder-workspace/Sources/Store/middleware/Middleware.swift /Users/admin/builder/spi-builder-workspace/Sources/Store/serialization/DictionaryCodable.swift /Users/admin/builder/spi-builder-workspace/Sources/Store/serialization/Diffing.swift /Users/admin/builder/spi-builder-workspace/Sources/Store/serialization/Signpost.swift /Users/admin/builder/spi-builder-workspace/Sources/Store/store/BindingProxy.swift /Users/admin/builder/spi-builder-workspace/Sources/Store/store/CodableStore.swift /Users/admin/builder/spi-builder-workspace/Sources/Store/store/ModelStorage.swift /Users/admin/builder/spi-builder-workspace/Sources/Store/store/Store.swift /Users/admin/builder/spi-builder-workspace/Sources/Store/transactions/PushID.swift /Users/admin/builder/spi-builder-workspace/Sources/Store/transactions/Transaction.swift /Users/admin/builder/spi-builder-workspace/Sources/Store/transactions/TransactionContext.swift -target arm64-apple-macos12.0 -module-can-import-version Combine 3023 0 -module-can-import-version SwiftUI 8.0.84.1 8.0.84 -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/Store.build/Debug/Store-t.build/Objects-normal/arm64/Store-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/out/Intermediates.noindex/GeneratedModuleMaps/COpenCombineHelpers.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/OpenCombine/Sources/COpenCombineHelpers/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/Store.build/Debug/Store-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Store.build/Debug/Store-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Store.build/Debug/Store-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Store -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Store.build/Debug/Store-t.build/Objects-normal/arm64/Store_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/Store.build/Debug/Store-t.build/Objects-normal/arm64/Store.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Store.build/Debug/Store-t.build/Objects-normal/arm64/Store.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Store.build/Debug/Store-t.build/Objects-normal/arm64/Store-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Store.build/Debug/Store-t.build/Objects-normal/arm64/Store-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Store.build/Debug/Store-t.build/Objects-normal/arm64/Store-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Store.build/Debug/Store-t.build/Objects-normal/arm64/Store.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Store.build/Debug/Store-t.build/Objects-normal/arm64/Store.abi.json
error: Build failed
BUILD FAILURE 6.4 macosSpm