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Build Information

Failed to build DSFRational, reference master (64ab89), with Swift 6.4 for Android on 17 Sep 2026 15:20:04 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:android-6.4-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/dagronf/DSFRational.git
Reference: master
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/dagronf/DSFRational
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 64ab899 Initial Commit
Cloned https://github.com/dagronf/DSFRational.git
Revision (git rev-parse @):
64ab899d65be9e98d767033ccf48a0edfe74a2e8
SUCCESS checkout https://github.com/dagronf/DSFRational.git at master
========================================
Build
========================================
Selected platform:         android
Swift version:             6.4
Building package at path:  $PWD
https://github.com/dagronf/DSFRational.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:android-6.4-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1
android-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:abadcff584c273feba50641b454858d377ba30b35ea7287a94f45ebd8afd0ea0
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:android-6.4-latest
Building for debugging...
[Planning deferred tasks]
error: SwiftCompile normal aarch64 failed with a nonzero exit code. Command line:     cd /host

/host/spi-builder-workspace/Sources/DSFRational/DSFRational.swift:25:2: error: Objective-C interoperability is disabled
 23 |
 24 | /// Representation of a deconstructed `BinaryFloatingPoint` value into its rational components
 25 | @objc public protocol RationalRepresentation: class {
    |  `- error: Objective-C interoperability is disabled
 26 | 	@objc var fraction: Double { get }
 27 | 	@objc var whole: Int { get }
/host/spi-builder-workspace/Sources/DSFRational/DSFRational.swift:25:47: warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead [#deprecation]
 23 |
 24 | /// Representation of a deconstructed `BinaryFloatingPoint` value into its rational components
 25 | @objc public protocol RationalRepresentation: class {
    |                                               `- warning: using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead [#deprecation]
 26 | 	@objc var fraction: Double { get }
 27 | 	@objc var whole: Int { get }
/host/spi-builder-workspace/Sources/DSFRational/DSFRational.swift:26:3: error: '@objc' can only be used with members of classes, '@objc' protocols, and concrete extensions of classes
 24 | /// Representation of a deconstructed `BinaryFloatingPoint` value into its rational components
 25 | @objc public protocol RationalRepresentation: class {
 26 | 	@objc var fraction: Double { get }
    |   `- error: '@objc' can only be used with members of classes, '@objc' protocols, and concrete extensions of classes
 27 | 	@objc var whole: Int { get }
 28 | 	@objc var numerator: UInt { get }
/host/spi-builder-workspace/Sources/DSFRational/DSFRational.swift:27:3: error: '@objc' can only be used with members of classes, '@objc' protocols, and concrete extensions of classes
 25 | @objc public protocol RationalRepresentation: class {
 26 | 	@objc var fraction: Double { get }
 27 | 	@objc var whole: Int { get }
    |   `- error: '@objc' can only be used with members of classes, '@objc' protocols, and concrete extensions of classes
 28 | 	@objc var numerator: UInt { get }
 29 | 	@objc var denominator: UInt { get }
/host/spi-builder-workspace/Sources/DSFRational/DSFRational.swift:28:3: error: '@objc' can only be used with members of classes, '@objc' protocols, and concrete extensions of classes
 26 | 	@objc var fraction: Double { get }
 27 | 	@objc var whole: Int { get }
 28 | 	@objc var numerator: UInt { get }
    |   `- error: '@objc' can only be used with members of classes, '@objc' protocols, and concrete extensions of classes
 29 | 	@objc var denominator: UInt { get }
 30 | 	@objc var description: String { get }
/host/spi-builder-workspace/Sources/DSFRational/DSFRational.swift:29:3: error: '@objc' can only be used with members of classes, '@objc' protocols, and concrete extensions of classes
 27 | 	@objc var whole: Int { get }
 28 | 	@objc var numerator: UInt { get }
 29 | 	@objc var denominator: UInt { get }
    |   `- error: '@objc' can only be used with members of classes, '@objc' protocols, and concrete extensions of classes
 30 | 	@objc var description: String { get }
 31 | }
/host/spi-builder-workspace/Sources/DSFRational/DSFRational.swift:30:3: error: '@objc' can only be used with members of classes, '@objc' protocols, and concrete extensions of classes
 28 | 	@objc var numerator: UInt { get }
 29 | 	@objc var denominator: UInt { get }
 30 | 	@objc var description: String { get }
    |   `- error: '@objc' can only be used with members of classes, '@objc' protocols, and concrete extensions of classes
 31 | }
 32 |
/host/spi-builder-workspace/Sources/DSFRational/DSFRational.swift:35:2: error: Objective-C interoperability is disabled
 33 | // MARK: - Objective-C compatible functions
 34 |
 35 | @objc public class DSFRational: NSObject {
    |  `- error: Objective-C interoperability is disabled
 36 |
 37 | 	/// Convert a fractional value (eg. 44.25) to numerator/denominators (44 1/4)
/host/spi-builder-workspace/Sources/DSFRational/DSFRational.swift:51:3: error: Objective-C interoperability is disabled
 49 | 	/// assert([[result description] isEqual: @"-11 14/125"]);
 50 | 	/// ```
 51 | 	@objc static func value(for fraction: Double) -> RationalRepresentation {
    |   `- error: Objective-C interoperability is disabled
 52 | 		return fraction.rationalValue
 53 | 	}
/host/spi-builder-workspace/Sources/DSFRational/DSFRational.swift:70:3: error: Objective-C interoperability is disabled
 68 | 	/// assert([[result description] isEqual: @"-11 14/125"]);
 69 | 	/// ```
 70 | 	@objc static func value(for fraction: Double, maxDenominator: Int) -> RationalRepresentation {
    |   `- error: Objective-C interoperability is disabled
 71 | 		return fraction.rational(maxDenominator: maxDenominator)
 72 | 	}
Failed frontend command:
/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/Sources/DSFRational/DSFRational.swift -target aarch64-unknown-linux-android28 -Xllvm -aarch64-use-tbi -disable-objc-interop -sdk /android-ndk/android-ndk-r27d/toolchains/llvm/prebuilt/linux-x86_64/sysroot -sysroot /android-ndk/android-ndk-r27d/toolchains/llvm/prebuilt/linux-x86_64/sysroot -I /host/spi-builder-workspace/.build/out/Products/Debug-android-aarch64 -module-cache-path /host/spi-builder-workspace/.build/out/ModuleCache.noindex -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 -external-plugin-path /root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/lib/swift/host/plugins/testing\#/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/bin/swift-plugin-server -validate-clang-modules-once -clang-build-session-file /host/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /host -resource-dir /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_android.artifactbundle/swift-android/swift-resources/usr/lib/swift-aarch64 -enable-anonymous-context-mangled-names -file-compilation-dir /host -Xcc -resource-dir -Xcc /android-ndk/android-ndk-r27d/toolchains/llvm/prebuilt/linux-x86_64/lib/clang/18 -Xcc -fno-omit-frame-pointer -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-android-aarch64/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/DSFRational.build/Debug-android-aarch64/DSFRational-t.build/DerivedSources-normal/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/DSFRational.build/Debug-android-aarch64/DSFRational-t.build/DerivedSources/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/DSFRational.build/Debug-android-aarch64/DSFRational-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name DSFRational -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/DSFRational.build/Debug-android-aarch64/DSFRational-t.build/Objects-normal/aarch64/DSFRational_const_extract_protocols.json -in-process-plugin-server-path /root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/lib/swift/host/libSwiftInProcPluginServer.so -plugin-path /root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/lib/swift/host/plugins -plugin-path /root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/local/lib/swift/host/plugins -emit-module-doc-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/DSFRational.build/Debug-android-aarch64/DSFRational-t.build/Objects-normal/aarch64/Modules/DSFRational.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/DSFRational.build/Debug-android-aarch64/DSFRational-t.build/Objects-normal/aarch64/Modules/DSFRational.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/DSFRational.build/Debug-android-aarch64/DSFRational-t.build/Objects-normal/aarch64/DSFRational-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/DSFRational.build/Debug-android-aarch64/DSFRational-t.build/Objects-normal/aarch64/DSFRational-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/DSFRational.build/Debug-android-aarch64/DSFRational-t.build/Objects-normal/aarch64/DSFRational-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/DSFRational.build/Debug-android-aarch64/DSFRational-t.build/Objects-normal/aarch64/Modules/DSFRational.swiftmodule
error: Build failed
BUILD FAILURE 6.4 android