Swift Package Index

Build Information

Failed to build SemiSingleton, reference 2.1.0-beta.1 (a2bbad), with Swift 6.3 for Android on 13 Apr 2026 09:13:09 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/happn-app/SemiSingleton.git
Reference: 2.1.0-beta.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/happn-app/SemiSingleton
 * tag               2.1.0-beta.1 -> FETCH_HEAD
HEAD is now at a2bbad0 Dummy comment formatting fixes
Cloned https://github.com/happn-app/SemiSingleton.git
Revision (git rev-parse @):
a2bbad008641318f3f7faf2ec53e3bb8f0e080ff
SUCCESS checkout https://github.com/happn-app/SemiSingleton.git at 2.1.0-beta.1
========================================
Build
========================================
Selected platform:         android
Swift version:             6.3
Building package at path:  $PWD
https://github.com/happn-app/SemiSingleton.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$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
Fetching https://github.com/apple/swift-log.git
Fetching https://github.com/happn-app/RecursiveSyncDispatch.git
[1/178] Fetching recursivesyncdispatch
[179/6699] Fetching recursivesyncdispatch, swift-log
Fetched https://github.com/happn-app/RecursiveSyncDispatch.git from cache (0.56s)
Fetched https://github.com/apple/swift-log.git from cache (0.57s)
Computing version for https://github.com/happn-app/RecursiveSyncDispatch.git
Computed https://github.com/happn-app/RecursiveSyncDispatch.git at 1.0.1 (1.01s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.11.0 (0.47s)
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.11.0
Creating working copy for https://github.com/happn-app/RecursiveSyncDispatch.git
Working copy of https://github.com/happn-app/RecursiveSyncDispatch.git resolved at 1.0.1
Building for debugging...
[0/4] Write sources
[3/4] Write swift-version--4F562202D5529B1.txt
[5/12] Emitting module Logging
[6/12] Compiling Logging MetadataProvider.swift
[7/12] Compiling Logging LogHandler.swift
[8/12] Compiling Logging LogEvent.swift
[9/12] Compiling Logging Locks.swift
[10/12] Compiling Logging Logging.swift
[11/13] Compiling RecursiveSyncDispatch RecursiveSyncDispatch.swift
[12/13] Emitting module RecursiveSyncDispatch
error: emit-module command failed with exit code 1 (use -v to see invocation)
[15/18] Compiling SemiSingleton SemiSingletonConfig.swift
[16/18] Compiling SemiSingleton LinuxStrongToWeakMapTable.swift
[17/18] Emitting module SemiSingleton
/host/spi-builder-workspace/Sources/SemiSingleton/SemiSingletonStore.swift:226:34: error: cannot find 'NSMapTable' in scope
224 |
225 | #if !os(Linux)
226 | 	private let registeredObjects = NSMapTable<StoreKey, AnyObject>.strongToWeakObjects()
    |                                  `- error: cannot find 'NSMapTable' in scope
227 | #else
228 | 	private let registeredObjects = LinuxStrongToWeakMapTable<StoreKey, AnyObject>()
[18/18] Compiling SemiSingleton SemiSingletonStore.swift
/host/spi-builder-workspace/Sources/SemiSingleton/SemiSingletonStore.swift:226:34: error: cannot find 'NSMapTable' in scope
224 |
225 | #if !os(Linux)
226 | 	private let registeredObjects = NSMapTable<StoreKey, AnyObject>.strongToWeakObjects()
    |                                  `- error: cannot find 'NSMapTable' in scope
227 | #else
228 | 	private let registeredObjects = LinuxStrongToWeakMapTable<StoreKey, AnyObject>()
BUILD FAILURE 6.3 android