Swift Package IndexBuild Information
Failed to build BigNumber, reference v2.4.0 (7e2117), with Swift 6.3 for Android on 19 Apr 2026 13:19:17 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/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:android-6.3-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1Build Log
========================================
RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/mkrd/Swift-BigInt.git
Reference: v2.4.0
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/mkrd/Swift-BigInt
* tag v2.4.0 -> FETCH_HEAD
HEAD is now at 7e21177 update deploy workflow
Cloned https://github.com/mkrd/Swift-BigInt.git
Revision (git rev-parse @):
7e2117797cd1b608303cc2da1a3a2263cc4e7727
SUCCESS checkout https://github.com/mkrd/Swift-BigInt.git at v2.4.0
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Build
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Selected platform: android
Swift version: 6.3
Building package at path: $PWD
https://github.com/mkrd/Swift-BigInt.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:android-6.3-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1
android-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:9008270ea37a55e78725e6225015adb5eff8582da520c5232bf0499f32c36dc4
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:android-6.3-latest
Building for debugging...
[0/9] Write sources
[3/9] Write swift-version--4F562202D5529B1.txt
[5/11] Emitting module BigNumber
[6/11] Compiling BigNumber Swift-Big-Number-Core.swift
[7/14] Wrapping AST for BigNumber for debugging
[9/20] Compiling MGTools MG QueueDispatch.swift
/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 |
[10/20] Compiling MGTools MG Benchmark Tools.swift
/host/spi-builder-workspace/Sources/MGTools/MG Benchmark Tools.swift:35:10: error: cannot find 'mach_absolute_time' in scope
33 | var end = UInt64()
34 |
35 | start = mach_absolute_time()
| `- error: cannot find 'mach_absolute_time' in scope
36 | call()
37 | end = mach_absolute_time()
/host/spi-builder-workspace/Sources/MGTools/MG Benchmark Tools.swift:37:8: error: cannot find 'mach_absolute_time' in scope
35 | start = mach_absolute_time()
36 | call()
37 | end = mach_absolute_time()
| `- error: cannot find 'mach_absolute_time' in scope
38 |
39 | var timeBaseInfo = mach_timebase_info_data_t()
/host/spi-builder-workspace/Sources/MGTools/MG Benchmark Tools.swift:39:21: error: cannot find 'mach_timebase_info_data_t' in scope
37 | end = mach_absolute_time()
38 |
39 | var timeBaseInfo = mach_timebase_info_data_t()
| `- error: cannot find 'mach_timebase_info_data_t' in scope
40 | mach_timebase_info(&timeBaseInfo)
41 |
/host/spi-builder-workspace/Sources/MGTools/MG Benchmark Tools.swift:40:2: error: cannot find 'mach_timebase_info' in scope
38 |
39 | var timeBaseInfo = mach_timebase_info_data_t()
40 | mach_timebase_info(&timeBaseInfo)
| `- error: cannot find 'mach_timebase_info' in scope
41 |
42 | return Int(end - start) * Int(timeBaseInfo.numer) / Int(timeBaseInfo.denom)
[11/21] Emitting module MGTools
[12/21] Compiling MGTools MG Storage.swift
[13/21] Compiling MGTools MG Math.swift
[14/21] Compiling MGTools MG SuperSwift.swift
[15/21] Compiling MGTools MG IO.swift
[16/21] Compiling MGTools MG Complex.swift
/host/spi-builder-workspace/Sources/MGTools/MG Complex.swift:24:19: warning: setter argument 'newValue' was never used, but the property was accessed [#no-usage]
22 | {
23 | get { return self.re }
24 | set { self.re = r }
| |- warning: setter argument 'newValue' was never used, but the property was accessed [#no-usage]
| `- 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 [#no-usage]
28 | {
29 | get { return self.im }
30 | set { self.im = i }
| |- warning: setter argument 'newValue' was never used, but the property was accessed [#no-usage]
| `- note: did you mean to use 'newValue' instead of accessing the property's current value?
31 | }
32 | }
[17/21] Compiling MGTools MG Matrix.swift
BUILD FAILURE 6.3 android