Swift Package IndexBuild Information
Failed to build BigNumber, reference master (d09d98), with Swift 6.4 for Linux on 24 Sep 2026 13:01:19 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344847-1":/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:basic-6.4-latest swift build --triple x86_64-unknown-linux-gnu 2>&1Build Log
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RunAll
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Builder version: 5.1.0
Interrupt handler set up.
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Checkout
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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
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Build
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Selected platform: linux
Swift version: 6.4
Building package at path: $PWD
https://github.com/farkasseb/Swift-BigInt.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344847-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:basic-6.4-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:c77fcce225e223ac0fafed844619173fc6de8d62dd560eeb28db3182af6a282b
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:basic-6.4-latest
Building for debugging...
[Pre-planning 1 / 124]
[1 / 47]
[31 / 50] BigNumber
[45 / 60] MGTools
[46 / 60] MGTools
/host/spi-builder-workspace/Sources/MGTools/MG QueueDispatch.swift:25:69: [1;33mwarning: [1;39mpassing non-Sendable parameter 'closure' to function expecting a '@Sendable' closure[0;0m
[0;36m19 |[0;0m Run trailing closure after a given time in seconds in background queue.
[0;36m20 |[0;0m */
[0;36m21 |[0;0m static public func runAfterDelay(_ seconds: Double, _ closure: @escaping () -> ())
[0;36m|[0;0m `- [1;39mnote: [1;39mparameter 'closure' is implicitly non-Sendable[0;0m
[0;36m22 |[0;0m {
[0;36m23 |[0;0m let queue = DispatchQueue.global()
[0;36m24 |[0;0m
[0;36m25 |[0;0m queue.asyncAfter(deadline: DispatchTime.now() + seconds, execute: closure)
[0;36m|[0;0m `- [1;33mwarning: [1;39mpassing non-Sendable parameter 'closure' to function expecting a '@Sendable' closure[0;0m
[0;36m26 |[0;0m }
[0;36m27 |[0;0m
/host/spi-builder-workspace/Sources/MGTools/MG QueueDispatch.swift:40:23: [1;33mwarning: [1;39mconverting non-Sendable function value to '@Sendable () -> Void' may introduce data races[0;0m
[0;36m38 |[0;0m for closure in closures
[0;36m39 |[0;0m {
[0;36m40 |[0;0m queue.addOperation(closure)
[0;36m|[0;0m `- [1;33mwarning: [1;39mconverting non-Sendable function value to '@Sendable () -> Void' may introduce data races[0;0m
[0;36m41 |[0;0m }
[0;36m42 |[0;0m
[55 / 64] MGTools
/host/spi-builder-workspace/Sources/MGTools/MG Complex.swift:24:19: [1;33mwarning: [1;39msetter argument 'newValue' was never used, but the property was accessed[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/no-usage\NoUsage]8;;\]
[0;36m22 |[0;0m {
[0;36m23 |[0;0m get { return self.re }
[0;36m24 |[0;0m set { self.re = r }
[0;36m|[0;0m |- [1;33mwarning: [1;39msetter argument 'newValue' was never used, but the property was accessed[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/no-usage\NoUsage]8;;\]
[0;36m|[0;0m `- [1;39mnote: [1;39mdid you mean to use 'newValue' instead of accessing the property's current value?[0;0m
[0;36m25 |[0;0m }
[0;36m26 |[0;0m
/host/spi-builder-workspace/Sources/MGTools/MG Complex.swift:30:19: [1;33mwarning: [1;39msetter argument 'newValue' was never used, but the property was accessed[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/no-usage\NoUsage]8;;\]
[0;36m28 |[0;0m {
[0;36m29 |[0;0m get { return self.im }
[0;36m30 |[0;0m set { self.im = i }
[0;36m|[0;0m |- [1;33mwarning: [1;39msetter argument 'newValue' was never used, but the property was accessed[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/no-usage\NoUsage]8;;\]
[0;36m|[0;0m `- [1;39mnote: [1;39mdid you mean to use 'newValue' instead of accessing the property's current value?[0;0m
[0;36m31 |[0;0m }
[0;36m32 |[0;0m }
[#NoUsage]: <https://docs.swift.org/compiler/documentation/diagnostics/no-usage>
error: SwiftCompile normal x86_64 /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: [1;31merror: [1;39mambiguous use of operator '=='[0;0m
[0;36m3000 |[0;0m } else if diff <= epsilon {
[0;36m3001 |[0;0m return true // shortcut
[0;36m3002 |[0;0m } else if (lhs == 0 || rhs == 0 || diff < Double.leastNormalMagnitude) {
[0;36m|[0;0m `- [1;31merror: [1;39mambiguous use of operator '=='[0;0m
[0;36m3003 |[0;0m // lhs or rhs is zero or both are extremely close to it
[0;36m3004 |[0;0m // relative error is less meaningful here
[0;36m:[0;0m
[0;36m3009 |[0;0m }
[0;36m3010 |[0;0m
[0;36m3011 |[0;0m public static func ==(lhs: BDouble, rhs: BDouble) -> Bool
[0;36m|[0;0m `- [1;39mnote: [1;39mfound this candidate [0;0m
[0;36m3012 |[0;0m {
[0;36m3013 |[0;0m if lhs.sign != rhs.sign { return false }
[0;36m:[0;0m
[0;36m3017 |[0;0m return true
[0;36m3018 |[0;0m }
[0;36m3019 |[0;0m public static func ==(lhs: BDouble, rhs: Double) -> Bool { return lhs == BDouble(rhs) }
[0;36m|[0;0m `- [1;39mnote: [1;39mfound this candidate [0;0m
[0;36m3020 |[0;0m public static func ==(lhs: Double, rhs: BDouble) -> Bool { return BDouble(lhs) == rhs }
[0;36m3021 |[0;0m
Failed frontend command:
/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-linux-x86_64/BigNumber-t.build/Objects-normal/x86_64/Swift-Big-Number-Core.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/BigNumber.build/Debug-linux-x86_64/BigNumber-t.build/Objects-normal/x86_64/Swift-Big-Number-Core.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/BigNumber.build/Debug-linux-x86_64/BigNumber-t.build/Objects-normal/x86_64/Swift-Big-Number-Core.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/BigNumber.build/Debug-linux-x86_64/BigNumber-t.build/Objects-normal/x86_64/Swift-Big-Number-Core.dia -target x86_64-unknown-linux-gnu -disable-objc-interop -I /host/spi-builder-workspace/.build/out/Products/Debug-linux-x86_64 -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 /usr/lib/swift/host/plugins/testing\#/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 -enable-anonymous-context-mangled-names -file-compilation-dir /host -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-linux-x86_64/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/BigNumber.build/Debug-linux-x86_64/BigNumber-t.build/DerivedSources-normal/x86_64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/BigNumber.build/Debug-linux-x86_64/BigNumber-t.build/DerivedSources/x86_64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/BigNumber.build/Debug-linux-x86_64/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-linux-x86_64/BigNumber-t.build/Objects-normal/x86_64/BigNumber_const_extract_protocols.json -in-process-plugin-server-path /usr/lib/swift/host/libSwiftInProcPluginServer.so -plugin-path /usr/lib/swift/host/plugins -plugin-path /usr/local/lib/swift/host/plugins -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/BigNumber.build/Debug-linux-x86_64/BigNumber-t.build/Objects-normal/x86_64/Swift-Big-Number-Core.o -index-unit-output-path /BigNumber.build/Debug-linux-x86_64/BigNumber-t.build/Objects-normal/x86_64/Swift-Big-Number-Core.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 linux