The Swift Package Index logo.Swift Package Index

Has it really been five years since Swift Package Index launched? Read our anniversary blog post!

Build Information

Failed to build ThreadExtensions, reference main (4122ba), with Swift 6.2 (beta) for Wasm on 18 Jun 2025 22:18:12 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.64.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/elegantchaos/ThreadExtensions.git
Reference: main
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/elegantchaos/ThreadExtensions
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 4122ba9 added license
Cloned https://github.com/elegantchaos/ThreadExtensions.git
Revision (git rev-parse @):
4122ba90ffd6dbd1a09e78cb3c5a096042ba61d4
SUCCESS checkout https://github.com/elegantchaos/ThreadExtensions.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.2
Building package at path:  $PWD
https://github.com/elegantchaos/ThreadExtensions.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1
wasm-6.2-latest: Pulling from finestructure/spi-images
Digest: sha256:44384f43f933eaa0f42803e9ef7c3d8388c5841ccc831a15a5edf63d8c273423
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest
Fetching https://github.com/elegantchaos/XCTestExtensions.git
[1/571] Fetching xctestextensions
Fetched https://github.com/elegantchaos/XCTestExtensions.git from cache (0.27s)
Computing version for https://github.com/elegantchaos/XCTestExtensions.git
Computed https://github.com/elegantchaos/XCTestExtensions.git at 1.5.1 (0.78s)
Fetching https://github.com/elegantchaos/Matchable.git
[1/113] Fetching matchable
Fetched https://github.com/elegantchaos/Matchable.git from cache (0.28s)
Computing version for https://github.com/elegantchaos/Matchable.git
Computed https://github.com/elegantchaos/Matchable.git at 1.0.7 (0.78s)
Creating working copy for https://github.com/elegantchaos/Matchable.git
Working copy of https://github.com/elegantchaos/Matchable.git resolved at 1.0.7
Creating working copy for https://github.com/elegantchaos/XCTestExtensions.git
Working copy of https://github.com/elegantchaos/XCTestExtensions.git resolved at 1.5.1
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/4] Emitting module ThreadExtensions
/host/spi-builder-workspace/Sources/ThreadExtensions/ThreadExtensions.swift:6:8: error: no such module 'Foundation'
 4 | // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
 5 |
 6 | import Foundation
   |        `- error: no such module 'Foundation'
 7 |
 8 | public func onMainQueue(_ work: @escaping () -> ()) {
[4/4] Compiling ThreadExtensions ThreadExtensions.swift
/host/spi-builder-workspace/Sources/ThreadExtensions/ThreadExtensions.swift:6:8: error: no such module 'Foundation'
 4 | // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
 5 |
 6 | import Foundation
   |        `- error: no such module 'Foundation'
 7 |
 8 | public func onMainQueue(_ work: @escaping () -> ()) {
BUILD FAILURE 6.2 wasm