Swift Package Index

Build Information

Failed to build SemiSingleton, reference 2.1.1 (b3b6b2), with Swift 6.3 for Wasm on 15 Apr 2026 09:44:02 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/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:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Frizlab/SemiSingleton.git
Reference: 2.1.1
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/Frizlab/SemiSingleton
 * tag               2.1.1      -> FETCH_HEAD
HEAD is now at b3b6b28 Fix dispatch queue name for the retrievingQueue
Cloned https://github.com/Frizlab/SemiSingleton.git
Revision (git rev-parse @):
b3b6b283289e4d717b01064e497b2cae0a9a75df
SUCCESS checkout https://github.com/Frizlab/SemiSingleton.git at 2.1.1
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/Frizlab/SemiSingleton.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1
wasm-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:d69f4e7582c319245442d62a08b2d7c7fd5a0c0c69f5d2ef11d1530cd8d3329b
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest
Fetching https://github.com/Frizlab/SafeGlobal.git
Fetching https://github.com/Frizlab/RecursiveSyncDispatch.git
Fetching https://github.com/Frizlab/GlobalConfModule.git
Fetching https://github.com/apple/swift-log.git
[1/187] Fetching safeglobal
[188/856] Fetching safeglobal, globalconfmodule
[857/1030] Fetching safeglobal, globalconfmodule, recursivesyncdispatch
[1031/7595] Fetching safeglobal, globalconfmodule, recursivesyncdispatch, swift-log
Fetched https://github.com/Frizlab/RecursiveSyncDispatch.git from cache (3.77s)
Fetched https://github.com/Frizlab/SafeGlobal.git from cache (3.77s)
Fetched https://github.com/Frizlab/GlobalConfModule.git from cache (3.77s)
Fetched https://github.com/apple/swift-log.git from cache (3.77s)
Computing version for https://github.com/Frizlab/RecursiveSyncDispatch.git
Computed https://github.com/Frizlab/RecursiveSyncDispatch.git at 1.0.1 (6.63s)
Computing version for https://github.com/Frizlab/SafeGlobal.git
Computed https://github.com/Frizlab/SafeGlobal.git at 0.3.4 (0.57s)
Fetching https://github.com/swiftlang/swift-syntax.git
[1/74972] Fetching swift-syntax
Fetched https://github.com/swiftlang/swift-syntax.git from cache (7.34s)
Computing version for https://github.com/Frizlab/GlobalConfModule.git
Computed https://github.com/Frizlab/GlobalConfModule.git at 0.4.4 (8.23s)
Fetching https://github.com/apple/swift-service-context.git
[1/1245] Fetching swift-service-context
Fetched https://github.com/apple/swift-service-context.git from cache (0.73s)
Computing version for https://github.com/apple/swift-service-context.git
Computed https://github.com/apple/swift-service-context.git at 1.3.0 (1.51s)
Computing version for https://github.com/swiftlang/swift-syntax.git
Computed https://github.com/swiftlang/swift-syntax.git at 602.0.0 (1.33s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.12.0 (0.84s)
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.12.0
Creating working copy for https://github.com/Frizlab/SafeGlobal.git
Working copy of https://github.com/Frizlab/SafeGlobal.git resolved at 0.3.4
Creating working copy for https://github.com/apple/swift-service-context.git
Working copy of https://github.com/apple/swift-service-context.git resolved at 1.3.0
Creating working copy for https://github.com/swiftlang/swift-syntax.git
Working copy of https://github.com/swiftlang/swift-syntax.git resolved at 602.0.0
Creating working copy for https://github.com/Frizlab/GlobalConfModule.git
Working copy of https://github.com/Frizlab/GlobalConfModule.git resolved at 0.4.4
Creating working copy for https://github.com/Frizlab/RecursiveSyncDispatch.git
Working copy of https://github.com/Frizlab/RecursiveSyncDispatch.git resolved at 1.0.1
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/602.0.0/swift-6.3-RELEASE-ubuntu_jammy_x86_64-MacroSupport.tar.gz
Downloaded https://download.swift.org/prebuilts/swift-syntax/602.0.0/swift-6.3-RELEASE-ubuntu_jammy_x86_64-MacroSupport.tar.gz (0.44s)
Building for debugging...
[0/10] Write sources
[6/10] Write swift-version-24593BA9C3E375BF.txt
[8/29] Compiling ServiceContextModule ServiceContextKey.swift
[9/29] Compiling ServiceContextModule ServiceContext.swift
[10/29] Emitting module ServiceContextModule
[12/30] Compiling Logging MetadataProvider.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[13/30] Emitting module RecursiveSyncDispatch
/host/spi-builder-workspace/.build/checkouts/RecursiveSyncDispatch/Sources/RecursiveSyncDispatch/RecursiveSyncDispatch.swift:16:8: error: no such module 'Dispatch'
14 | limitations under the License. */
15 |
16 | import Dispatch
   |        `- error: no such module 'Dispatch'
17 | import Foundation
18 |
[14/30] Compiling RecursiveSyncDispatch RecursiveSyncDispatch.swift
/host/spi-builder-workspace/.build/checkouts/RecursiveSyncDispatch/Sources/RecursiveSyncDispatch/RecursiveSyncDispatch.swift:16:8: error: no such module 'Dispatch'
14 | limitations under the License. */
15 |
16 | import Dispatch
   |        `- error: no such module 'Dispatch'
17 | import Foundation
18 |
[15/30] Compiling Logging LogEvent.swift
[16/30] Compiling Logging LogHandler.swift
[17/30] Compiling Logging Locks.swift
[18/30] Emitting module Logging
BUILD FAILURE 6.3 wasm