Swift Package IndexBuild Information
Failed to build Lighty, reference master (fd050c), with Swift 6.1 for Android on 12 Jul 2026 14:38:32 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-53886769-0":/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-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 2>&1Build Log
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RunAll
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Builder version: 0e64495ecc1688c3b3e031a5ef1348b5c05091ae
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/abdullahselek/Lighty.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/abdullahselek/Lighty
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at fd050ce Merge pull request #26 from abdullahselek/dependabot/bundler/concurrent-ruby-1.3.7
Cloned https://github.com/abdullahselek/Lighty.git
Revision (git rev-parse @):
fd050ce5a98cf6af7e7d5dfbbf6f909bc889bc29
SUCCESS checkout https://github.com/abdullahselek/Lighty.git at master
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Build
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Selected platform: android
Swift version: 6.1
Building package at path: $PWD
https://github.com/abdullahselek/Lighty.git
https://github.com/abdullahselek/Lighty.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886769-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 -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
android-6.1-latest: Pulling from saguaro1/spi-images
Digest: sha256:365d9b14669f92fea0572234887def10439445c91d7e524c78a6579ad7294f11
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:android-6.1-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/4] Emitting module Lighty
/host/spi-builder-workspace/Sources/LightyLogger.swift:49:23: warning: static property 'sharedInstance' is not concurrency-safe because non-'Sendable' type 'LightyLogger' may have shared mutable state; this is an error in the Swift 6 language mode
42 | Main class for log mechanism
43 | */
44 | open class LightyLogger {
| `- note: class 'LightyLogger' does not conform to the 'Sendable' protocol
45 |
46 | /**
47 | Singleton instance of LightyLogger
48 | */
49 | public static let sharedInstance: LightyLogger = LightyLogger()
| |- warning: static property 'sharedInstance' is not concurrency-safe because non-'Sendable' type 'LightyLogger' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'sharedInstance' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
50 |
51 | /**
[4/4] Compiling Lighty LightyLogger.swift
/host/spi-builder-workspace/Sources/LightyLogger.swift:49:23: warning: static property 'sharedInstance' is not concurrency-safe because non-'Sendable' type 'LightyLogger' may have shared mutable state; this is an error in the Swift 6 language mode
42 | Main class for log mechanism
43 | */
44 | open class LightyLogger {
| `- note: class 'LightyLogger' does not conform to the 'Sendable' protocol
45 |
46 | /**
47 | Singleton instance of LightyLogger
48 | */
49 | public static let sharedInstance: LightyLogger = LightyLogger()
| |- warning: static property 'sharedInstance' is not concurrency-safe because non-'Sendable' type 'LightyLogger' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'sharedInstance' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
50 |
51 | /**
/host/spi-builder-workspace/Sources/LightyLogger.swift:100:69: error: argument type 'Thread' does not conform to expected type 'CVarArg'
98 | return threadName
99 | } else {
100 | return String(format: "%@%p", separator, Thread.current)
| `- error: argument type 'Thread' does not conform to expected type 'CVarArg'
101 | }
102 | }
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886769-0":/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-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 2>&1
android-6.1-latest: Pulling from saguaro1/spi-images
Digest: sha256:365d9b14669f92fea0572234887def10439445c91d7e524c78a6579ad7294f11
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:android-6.1-latest
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/3] Emitting module Lighty
[3/3] Compiling Lighty LightyLogger.swift
/host/spi-builder-workspace/Sources/LightyLogger.swift:100:69: error: argument type 'Thread' does not conform to expected type 'CVarArg'
98 | return threadName
99 | } else {
100 | return String(format: "%@%p", separator, Thread.current)
| `- error: argument type 'Thread' does not conform to expected type 'CVarArg'
101 | }
102 | }
BUILD FAILURE 6.1 android