Swift Package Index

Build Information

Failed to build BigNumber, reference master (d09d98), with Swift 6.4 for Android on 24 Sep 2026 13:01:20 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344845-0":/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/farkasseb/Swift-BigInt.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/farkasseb/Swift-BigInt
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at d09d98b Sendable (#85)
Cloned https://github.com/farkasseb/Swift-BigInt.git
Revision (git rev-parse @):
d09d98b6819e2860160d4f0a909ce7f4925d8926
SUCCESS checkout https://github.com/farkasseb/Swift-BigInt.git at master
========================================
Build
========================================
Selected platform:         android
Swift version:             6.4
Building package at path:  $PWD
https://github.com/farkasseb/Swift-BigInt.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344845-0":/host -w "$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...
[Pre-planning 1 / 124]
[Starting]
[31 / 50] BigNumber
[45 / 60] MGTools
[46 / 60] MGTools
error: SwiftCompile normal aarch64 /host/spi-builder-workspace/Sources/BigNumber/Swift-Big-Number-Core.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile Swift-Big-Number-Core.swift
/host/spi-builder-workspace/Sources/BigNumber/Swift-Big-Number-Core.swift:3002:18: error: ambiguous use of operator '=='
3000 | 		} else if diff <= epsilon {
3001 | 			return true // shortcut
3002 | 		} else if (lhs == 0 || rhs == 0 || diff < Double.leastNormalMagnitude) {
     |                  `- error: ambiguous use of operator '=='
3003 | 			// lhs or rhs is zero or both are extremely close to it
3004 | 			// relative error is less meaningful here
     :
3009 | 	}
3010 |
3011 | 	public static func ==(lhs: BDouble, rhs: BDouble) -> Bool
     |                     `- note: found this candidate 
3012 | 	{
3013 | 		if lhs.sign != rhs.sign { return false }
     :
3017 | 		return true
3018 | 	}
3019 | 	public static func ==(lhs: BDouble, rhs: Double) -> Bool { return lhs == BDouble(rhs) }
     |                     `- note: found this candidate 
3020 | 	public static func ==(lhs: Double, rhs: BDouble) -> Bool { return BDouble(lhs) == rhs }
3021 |
Failed frontend command:
/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/bin/swift-frontend -frontend -c -primary-file /host/spi-builder-workspace/Sources/BigNumber/Swift-Big-Number-Core.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/BigNumber.build/Debug-android-aarch64/BigNumber-t.build/Objects-normal/aarch64/Swift-Big-Number-Core.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/BigNumber.build/Debug-android-aarch64/BigNumber-t.build/Objects-normal/aarch64/Swift-Big-Number-Core.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/BigNumber.build/Debug-android-aarch64/BigNumber-t.build/Objects-normal/aarch64/Swift-Big-Number-Core.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/BigNumber.build/Debug-android-aarch64/BigNumber-t.build/Objects-normal/aarch64/Swift-Big-Number-Core.dia -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 4.2 -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/BigNumber.build/Debug-android-aarch64/BigNumber-t.build/DerivedSources-normal/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/BigNumber.build/Debug-android-aarch64/BigNumber-t.build/DerivedSources/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/BigNumber.build/Debug-android-aarch64/BigNumber-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name BigNumber -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/BigNumber.build/Debug-android-aarch64/BigNumber-t.build/Objects-normal/aarch64/BigNumber_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 -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/BigNumber.build/Debug-android-aarch64/BigNumber-t.build/Objects-normal/aarch64/Swift-Big-Number-Core.o -index-unit-output-path /BigNumber.build/Debug-android-aarch64/BigNumber-t.build/Objects-normal/aarch64/Swift-Big-Number-Core.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
/host/spi-builder-workspace/Sources/MGTools/MG QueueDispatch.swift:25:69: warning: passing non-Sendable parameter 'closure' to function expecting a '@Sendable' closure
19 | 		Run trailing closure after a given time in seconds in background queue.
20 | 	*/
21 | 	static public func runAfterDelay(_ seconds: Double, _ closure: @escaping () -> ())
   |                                                        `- note: parameter 'closure' is implicitly non-Sendable
22 | 	{
23 | 		let queue = DispatchQueue.global()
24 |
25 | 		queue.asyncAfter(deadline: DispatchTime.now() + seconds, execute: closure)
   |                                                                     `- warning: passing non-Sendable parameter 'closure' to function expecting a '@Sendable' closure
26 | 	}
27 |
/host/spi-builder-workspace/Sources/MGTools/MG QueueDispatch.swift:40:23: warning: converting non-Sendable function value to '@Sendable () -> Void' may introduce data races
38 | 		for closure in closures
39 | 		{
40 | 			queue.addOperation(closure)
   |                       `- warning: converting non-Sendable function value to '@Sendable () -> Void' may introduce data races
41 | 		}
42 |
/host/spi-builder-workspace/Sources/MGTools/MG Complex.swift:24:19: warning: setter argument 'newValue' was never used, but the property was accessed [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/no-usage\NoUsage]8;;\]
22 | 	{
23 | 		get { return self.re }
24 | 		set { self.re = r }
   |                   |- warning: setter argument 'newValue' was never used, but the property was accessed [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/no-usage\NoUsage]8;;\]
   |                   `- note: did you mean to use 'newValue' instead of accessing the property's current value?
25 | 	}
26 |
/host/spi-builder-workspace/Sources/MGTools/MG Complex.swift:30:19: warning: setter argument 'newValue' was never used, but the property was accessed [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/no-usage\NoUsage]8;;\]
28 | 	{
29 | 		get { return self.im }
30 | 		set { self.im = i }
   |                   |- warning: setter argument 'newValue' was never used, but the property was accessed [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/no-usage\NoUsage]8;;\]
   |                   `- note: did you mean to use 'newValue' instead of accessing the property's current value?
31 | 	}
32 | }
[#NoUsage]: <https://docs.swift.org/compiler/documentation/diagnostics/no-usage>
error: Build failed
BUILD FAILURE 6.4 android