Build Information
Successful build of BigInt, reference 1.23.1 (72fed4), with Swift 6.1 for Linux on 23 Apr 2026 02:34:41 UTC.
Swift 6 data race errors: 1
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/mIwr/BigInt.git
Reference: 1.23.1
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/mIwr/BigInt
* tag 1.23.1 -> FETCH_HEAD
HEAD is now at 72fed47 Syn with upstream commit https://github.com/leif-ibsen/BigInt/commit/c2f49bee454760e433bafff17bfdc5b96f75d7c8
Cloned https://github.com/mIwr/BigInt.git
Revision (git rev-parse @):
72fed470be7c9ac9470f3470b124751a33928472
SUCCESS checkout https://github.com/mIwr/BigInt.git at 1.23.1
========================================
Build
========================================
Selected platform: linux
Swift version: 6.1
Building package at path: $PWD
https://github.com/mIwr/BigInt.git
https://github.com/mIwr/BigInt.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1
basic-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:a7bfd71e9384436264431030299dc8a2d42d0664a168cfa1a5dd84c9bc592ccf
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:basic-6.1-latest
warning: 'spi-builder-workspace': /host/spi-builder-workspace/Package.swift:7:17: warning: 'v10_12' is deprecated: macOS 10.13 is the oldest supported version
5 | name: "BigInt",
6 | platforms: [
7 | .macOS(.v10_12), .macCatalyst(.v13), .iOS(.v9), .tvOS(.v9), .watchOS(.v2), .visionOS(.v1)
| `- warning: 'v10_12' is deprecated: macOS 10.13 is the oldest supported version
8 | ],
9 | products: [
/host/spi-builder-workspace/Package.swift:7:52: warning: 'v9' is deprecated: iOS 12.0 is the oldest supported version
5 | name: "BigInt",
6 | platforms: [
7 | .macOS(.v10_12), .macCatalyst(.v13), .iOS(.v9), .tvOS(.v9), .watchOS(.v2), .visionOS(.v1)
| `- warning: 'v9' is deprecated: iOS 12.0 is the oldest supported version
8 | ],
9 | products: [
/host/spi-builder-workspace/Package.swift:7:64: warning: 'v9' is deprecated: tvOS 12.0 is the oldest supported version
5 | name: "BigInt",
6 | platforms: [
7 | .macOS(.v10_12), .macCatalyst(.v13), .iOS(.v9), .tvOS(.v9), .watchOS(.v2), .visionOS(.v1)
| `- warning: 'v9' is deprecated: tvOS 12.0 is the oldest supported version
8 | ],
9 | products: [
/host/spi-builder-workspace/Package.swift:7:79: warning: 'v2' is deprecated: watchOS 4.0 is the oldest supported version
5 | name: "BigInt",
6 | platforms: [
7 | .macOS(.v10_12), .macCatalyst(.v13), .iOS(.v9), .tvOS(.v9), .watchOS(.v2), .visionOS(.v1)
| `- warning: 'v2' is deprecated: watchOS 4.0 is the oldest supported version
8 | ],
9 | products: [
Building for debugging...
[0/3] Write sources
[1/3] Copying PrivacyInfo.xcprivacy
[2/3] Write swift-version-24593BA9C3E375BF.txt
[4/17] Compiling BigInt ToomCook.swift
[5/18] Compiling BigInt Factorial.swift
[6/18] Compiling BigInt GCD.swift
[7/18] Compiling BigInt Karatsuba.swift
[8/18] Compiling BigInt Limbs.swift
[9/18] Compiling BigInt ExpMod.swift
[10/18] Compiling BigInt FFT.swift
[11/18] Compiling BigInt BurnikelZiegler.swift
[12/18] Compiling BigInt CRT.swift
[13/18] Compiling BigInt resource_bundle_accessor.swift
[14/18] Compiling BigInt BailliePSW.swift
[15/18] Compiling BigInt BigFrac.swift
[16/18] Emitting module BigInt
/host/spi-builder-workspace/Sources/BigInt/BitSieve.swift:18:16: warning: static property 'smallSieve' is not concurrency-safe because non-'Sendable' type 'BitSieve' may have shared mutable state; this is an error in the Swift 6 language mode
10 | * BitSieve class from Java BigInteger translated to Swift
11 | */
12 | class BitSieve {
| `- note: class 'BitSieve' does not conform to the 'Sendable' protocol
13 |
14 | var bits: [UInt64]
:
16 | let base: BInt
17 |
18 | static let smallSieve = BitSieve()
| |- warning: static property 'smallSieve' is not concurrency-safe because non-'Sendable' type 'BitSieve' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'smallSieve' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
19 |
20 | init() {
[17/18] Compiling BigInt BigInt.swift
/host/spi-builder-workspace/Sources/BigInt/BitSieve.swift:18:16: warning: static property 'smallSieve' is not concurrency-safe because non-'Sendable' type 'BitSieve' may have shared mutable state; this is an error in the Swift 6 language mode
10 | * BitSieve class from Java BigInteger translated to Swift
11 | */
12 | class BitSieve {
| `- note: class 'BitSieve' does not conform to the 'Sendable' protocol
13 |
14 | var bits: [UInt64]
:
16 | let base: BInt
17 |
18 | static let smallSieve = BitSieve()
| |- warning: static property 'smallSieve' is not concurrency-safe because non-'Sendable' type 'BitSieve' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'smallSieve' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
19 |
20 | init() {
[18/18] Compiling BigInt BitSieve.swift
/host/spi-builder-workspace/Sources/BigInt/BitSieve.swift:18:16: warning: static property 'smallSieve' is not concurrency-safe because non-'Sendable' type 'BitSieve' may have shared mutable state; this is an error in the Swift 6 language mode
10 | * BitSieve class from Java BigInteger translated to Swift
11 | */
12 | class BitSieve {
| `- note: class 'BitSieve' does not conform to the 'Sendable' protocol
13 |
14 | var bits: [UInt64]
:
16 | let base: BInt
17 |
18 | static let smallSieve = BitSieve()
| |- warning: static property 'smallSieve' is not concurrency-safe because non-'Sendable' type 'BitSieve' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'smallSieve' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
19 |
20 | init() {
Build complete! (10.94s)
Build complete.
{
"dependencies" : [
],
"manifest_display_name" : "BigInt",
"name" : "BigInt",
"path" : "/host/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "10.12"
},
{
"name" : "maccatalyst",
"version" : "13.0"
},
{
"name" : "ios",
"version" : "9.0"
},
{
"name" : "tvos",
"version" : "9.0"
},
{
"name" : "watchos",
"version" : "2.0"
},
{
"name" : "visionos",
"version" : "1.0"
}
],
"products" : [
{
"name" : "BigInt",
"targets" : [
"BigInt"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"swift_languages_versions" : [
"5"
],
"targets" : [
{
"c99name" : "BigIntTests",
"module_type" : "SwiftTarget",
"name" : "BigIntTests",
"path" : "Tests/BigIntTests",
"sources" : [
"AdditionTest.swift",
"BinomialTest.swift",
"BitTest.swift",
"CRTTest.swift",
"ComparisonTest.swift",
"ConstructorTest.swift",
"DivExactTest.swift",
"DivModBZTest.swift",
"DivModTest.swift",
"ExpModTest.swift",
"FFTTest.swift",
"FactorialTest.swift",
"FibonacciTest.swift",
"FractionTest.swift",
"GcdExtendedTest.swift",
"GcdTest.swift",
"IntMinMaxTest.swift",
"JacobiTest.swift",
"KaratsubaTest.swift",
"KroneckerTest.swift",
"LcmTest.swift",
"LimbTest.swift",
"ModInverseTest.swift",
"MulSquareTest.swift",
"MultiplicationTest.swift",
"PerformanceTest.swift",
"Pow2Test.swift",
"PrimeTest.swift",
"RootTest.swift",
"ShiftTest.swift",
"SubtractionTest.swift",
"ToByteArrayTest.swift",
"ToStringTest.swift",
"ToomCookTest.swift"
],
"target_dependencies" : [
"BigInt"
],
"type" : "test"
},
{
"c99name" : "BigInt",
"module_type" : "SwiftTarget",
"name" : "BigInt",
"path" : "Sources/BigInt",
"product_memberships" : [
"BigInt"
],
"resources" : [
{
"path" : "/host/spi-builder-workspace/Sources/BigInt/PrivacyInfo.xcprivacy",
"rule" : {
"copy" : {
}
}
}
],
"sources" : [
"BailliePSW.swift",
"BigFrac.swift",
"BigInt.swift",
"BitSieve.swift",
"BurnikelZiegler.swift",
"CRT.swift",
"ExpMod.swift",
"FFT.swift",
"Factorial.swift",
"GCD.swift",
"Karatsuba.swift",
"Limbs.swift",
"ToomCook.swift"
],
"type" : "library"
}
],
"tools_version" : "5.10"
}
basic-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:a7bfd71e9384436264431030299dc8a2d42d0664a168cfa1a5dd84c9bc592ccf
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:basic-6.1-latest
warning: 'spi-builder-workspace': /host/spi-builder-workspace/Package.swift:7:17: warning: 'v10_12' is deprecated: macOS 10.13 is the oldest supported version
5 | name: "BigInt",
6 | platforms: [
7 | .macOS(.v10_12), .macCatalyst(.v13), .iOS(.v9), .tvOS(.v9), .watchOS(.v2), .visionOS(.v1)
| `- warning: 'v10_12' is deprecated: macOS 10.13 is the oldest supported version
8 | ],
9 | products: [
/host/spi-builder-workspace/Package.swift:7:52: warning: 'v9' is deprecated: iOS 12.0 is the oldest supported version
5 | name: "BigInt",
6 | platforms: [
7 | .macOS(.v10_12), .macCatalyst(.v13), .iOS(.v9), .tvOS(.v9), .watchOS(.v2), .visionOS(.v1)
| `- warning: 'v9' is deprecated: iOS 12.0 is the oldest supported version
8 | ],
9 | products: [
/host/spi-builder-workspace/Package.swift:7:64: warning: 'v9' is deprecated: tvOS 12.0 is the oldest supported version
5 | name: "BigInt",
6 | platforms: [
7 | .macOS(.v10_12), .macCatalyst(.v13), .iOS(.v9), .tvOS(.v9), .watchOS(.v2), .visionOS(.v1)
| `- warning: 'v9' is deprecated: tvOS 12.0 is the oldest supported version
8 | ],
9 | products: [
/host/spi-builder-workspace/Package.swift:7:79: warning: 'v2' is deprecated: watchOS 4.0 is the oldest supported version
5 | name: "BigInt",
6 | platforms: [
7 | .macOS(.v10_12), .macCatalyst(.v13), .iOS(.v9), .tvOS(.v9), .watchOS(.v2), .visionOS(.v1)
| `- warning: 'v2' is deprecated: watchOS 4.0 is the oldest supported version
8 | ],
9 | products: [
Done.