Swift Package Index

Build Information

Failed to build SemiSingleton, reference 2.1.0-beta.1 (a2bbad), with Swift 6.3 for Wasm on 13 Apr 2026 09:13:47 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: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/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:         wasm
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: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/apple/swift-log.git
Fetching https://github.com/happn-app/RecursiveSyncDispatch.git
[1/178] Fetching recursivesyncdispatch
Fetched https://github.com/happn-app/RecursiveSyncDispatch.git from cache (0.22s)
[1/6521] Fetching swift-log
Fetched https://github.com/apple/swift-log.git from cache (0.55s)
Computing version for https://github.com/happn-app/RecursiveSyncDispatch.git
Computed https://github.com/happn-app/RecursiveSyncDispatch.git at 1.0.1 (1.05s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.11.0 (0.50s)
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
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
Building for debugging...
[0/4] Write sources
[3/4] Write swift-version-24593BA9C3E375BF.txt
[5/12] Compiling Logging LogEvent.swift
[6/12] Compiling Logging MetadataProvider.swift
[7/12] Emitting module Logging
[8/12] Compiling Logging Locks.swift
[9/12] Compiling Logging LogHandler.swift
[10/12] Compiling Logging Logging.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[12/13] 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 |
[13/13] 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 |
BUILD FAILURE 6.3 wasm