Swift Package IndexBuild Information
Failed to build BigNumber, reference master (d09d98), with Swift 6.4 for macOS (SPM) on 24 Sep 2026 13:18:09 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64Build 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 /Users/admin/builder/spi-builder-workspace/.git/
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: macosSpm
Swift version: 6.4
Building package at path: $PWD
https://github.com/farkasseb/Swift-BigInt.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 / 124]
[Planning deferred tasks]
[30 / 54]
[33 / 57] BigNumber
[49 / 67] MGTools
[60 / 71] Benchmarks-product
[61 / 71] Benchmarks-product
error: SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/BigNumber/Swift-Big-Number-Core.swift failed with a nonzero exit code. Command line: cd /Users/admin/builder
builtin-SwiftPerFileCompile Swift-Big-Number-Core.swift
/Users/admin/builder/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:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c -primary-file /Users/admin/builder/spi-builder-workspace/Sources/BigNumber/Swift-Big-Number-Core.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/BigNumber.build/Debug/BigNumber-t.build/Objects-normal/arm64/Swift-Big-Number-Core.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/BigNumber.build/Debug/BigNumber-t.build/Objects-normal/arm64/Swift-Big-Number-Core.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/BigNumber.build/Debug/BigNumber-t.build/Objects-normal/arm64/Swift-Big-Number-Core.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/BigNumber.build/Debug/BigNumber-t.build/Objects-normal/arm64/Swift-Big-Number-Core.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 -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 4.2 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -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/BigNumber.build/Debug/BigNumber-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/BigNumber.build/Debug/BigNumber-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/BigNumber.build/Debug/BigNumber-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name BigNumber -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/BigNumber.build/Debug/BigNumber-t.build/Objects-normal/arm64/BigNumber_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/BigNumber.build/Debug/BigNumber-t.build/Objects-normal/arm64/Swift-Big-Number-Core.o -index-unit-output-path /BigNumber.build/Debug/BigNumber-t.build/Objects-normal/arm64/Swift-Big-Number-Core.o -index-store-path /Users/admin/builder/spi-builder-workspace/.build/out -index-system-modules
/Users/admin/builder/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
/Users/admin/builder/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: Build failed
BUILD FAILURE 6.4 macosSpm