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Build Information

Failed to build SwiftAsyncSerialQueue, reference main (596513), with Swift 6.3 for Wasm on 17 Jul 2026 19:37:55 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344847-0":/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:wasm-6.3-latest swift build --swift-sdk swift-6.3.2-RELEASE_wasm 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 333316120c8b89ed7d21f1b34865290794301d91
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/dannys42/SwiftAsyncSerialQueue.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/dannys42/SwiftAsyncSerialQueue
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 5965134 github: pin to macos-26 for now
Cloned https://github.com/dannys42/SwiftAsyncSerialQueue.git
Revision (git rev-parse @):
5965134872bc16a25170f348901020dc2e6e7aef
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/dannys42/SwiftAsyncSerialQueue.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/dannys42/SwiftAsyncSerialQueue.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344847-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3.2-RELEASE_wasm 2>&1
wasm-6.3-latest: Pulling from saguaro1/spi-images
Digest: sha256:501b6bfc4ca8a27c305c68f9d5c778f996de82635741ab45476a03ffa6fa26d2
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.3-latest
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)
[3/8] Emitting module AsyncSerialQueue
/host/spi-builder-workspace/Sources/AsyncSerialQueue/AsyncCoalescingQueue.swift:9:8: error: no such module 'os'
  7 |
  8 | import Foundation
  9 | import os
    |        `- error: no such module 'os'
 10 |
 11 | /// ``AsyncCoalescingQueue`` provides behavior similar to DispatchSource using Swift Concurrency
[4/8] Compiling AsyncSerialQueue AsyncSerialQueue.swift
/host/spi-builder-workspace/Sources/AsyncSerialQueue/AsyncCoalescingQueue.swift:9:8: error: no such module 'os'
  7 |
  8 | import Foundation
  9 | import os
    |        `- error: no such module 'os'
 10 |
 11 | /// ``AsyncCoalescingQueue`` provides behavior similar to DispatchSource using Swift Concurrency
[5/8] Compiling AsyncSerialQueue AsyncCoalescingQueueOptions.swift
/host/spi-builder-workspace/Sources/AsyncSerialQueue/AsyncCoalescingQueue.swift:9:8: error: no such module 'os'
  7 |
  8 | import Foundation
  9 | import os
    |        `- error: no such module 'os'
 10 |
 11 | /// ``AsyncCoalescingQueue`` provides behavior similar to DispatchSource using Swift Concurrency
[6/8] Compiling AsyncSerialQueue AsyncCoalescingQueue.swift
/host/spi-builder-workspace/Sources/AsyncSerialQueue/AsyncCoalescingQueue.swift:9:8: error: no such module 'os'
  7 |
  8 | import Foundation
  9 | import os
    |        `- error: no such module 'os'
 10 |
 11 | /// ``AsyncCoalescingQueue`` provides behavior similar to DispatchSource using Swift Concurrency
[7/8] Compiling AsyncSerialQueue Executor.swift
/host/spi-builder-workspace/Sources/AsyncSerialQueue/AsyncCoalescingQueue.swift:9:8: error: no such module 'os'
  7 |
  8 | import Foundation
  9 | import os
    |        `- error: no such module 'os'
 10 |
 11 | /// ``AsyncCoalescingQueue`` provides behavior similar to DispatchSource using Swift Concurrency
[8/8] Compiling AsyncSerialQueue SimpleLock.swift
/host/spi-builder-workspace/Sources/AsyncSerialQueue/AsyncCoalescingQueue.swift:9:8: error: no such module 'os'
  7 |
  8 | import Foundation
  9 | import os
    |        `- error: no such module 'os'
 10 |
 11 | /// ``AsyncCoalescingQueue`` provides behavior similar to DispatchSource using Swift Concurrency
BUILD FAILURE 6.3 wasm