Swift Package Index

Build Information

Failed to build When, reference 5.0.0 (f1a9b4), with Swift 6.3 for Wasm on 10 Apr 2026 08:51:05 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/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/vadymmarkov/When.git
Reference: 5.0.0
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/vadymmarkov/When
 * tag               5.0.0      -> FETCH_HEAD
HEAD is now at f1a9b4c Update When.podspec
Cloned https://github.com/vadymmarkov/When.git
Revision (git rev-parse @):
f1a9b4cb4c04a29af47c3ae430a06370f99afd9d
SUCCESS checkout https://github.com/vadymmarkov/When.git at 5.0.0
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/vadymmarkov/When.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$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/Quick/Nimble.git
Fetching https://github.com/Quick/Quick.git
[1/14896] Fetching quick
[7598/34713] Fetching quick, nimble
Fetched https://github.com/Quick/Quick.git from cache (2.08s)
Fetched https://github.com/Quick/Nimble.git from cache (2.10s)
Computing version for https://github.com/Quick/Quick.git
Computed https://github.com/Quick/Quick.git at 2.2.1 (2.57s)
Computing version for https://github.com/Quick/Nimble.git
Computed https://github.com/Quick/Nimble.git at 8.0.9 (0.46s)
Creating working copy for https://github.com/Quick/Quick.git
Working copy of https://github.com/Quick/Quick.git resolved at 2.2.1
Creating working copy for https://github.com/Quick/Nimble.git
Working copy of https://github.com/Quick/Nimble.git resolved at 8.0.9
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/9] Compiling When State.swift
/host/spi-builder-workspace/Sources/Functions.swift:2:8: error: no such module 'Dispatch'
 1 | import Foundation
 2 | import Dispatch
   |        `- error: no such module 'Dispatch'
 3 |
 4 | let backgroundQueue = DispatchQueue.global(qos: DispatchQoS.QoSClass.background)
[4/9] Compiling When Result.swift
/host/spi-builder-workspace/Sources/Functions.swift:2:8: error: no such module 'Dispatch'
 1 | import Foundation
 2 | import Dispatch
   |        `- error: no such module 'Dispatch'
 3 |
 4 | let backgroundQueue = DispatchQueue.global(qos: DispatchQoS.QoSClass.background)
[5/9] Compiling When Promise.swift
/host/spi-builder-workspace/Sources/Functions.swift:2:8: error: no such module 'Dispatch'
 1 | import Foundation
 2 | import Dispatch
   |        `- error: no such module 'Dispatch'
 3 |
 4 | let backgroundQueue = DispatchQueue.global(qos: DispatchQoS.QoSClass.background)
error: emit-module command failed with exit code 1 (use -v to see invocation)
[6/9] Emitting module When
/host/spi-builder-workspace/Sources/Functions.swift:2:8: error: no such module 'Dispatch'
 1 | import Foundation
 2 | import Dispatch
   |        `- error: no such module 'Dispatch'
 3 |
 4 | let backgroundQueue = DispatchQueue.global(qos: DispatchQoS.QoSClass.background)
[7/9] Compiling When Observer.swift
/host/spi-builder-workspace/Sources/Functions.swift:2:8: error: no such module 'Dispatch'
 1 | import Foundation
 2 | import Dispatch
   |        `- error: no such module 'Dispatch'
 3 |
 4 | let backgroundQueue = DispatchQueue.global(qos: DispatchQoS.QoSClass.background)
[8/9] Compiling When Functions.swift
/host/spi-builder-workspace/Sources/Functions.swift:2:8: error: no such module 'Dispatch'
 1 | import Foundation
 2 | import Dispatch
   |        `- error: no such module 'Dispatch'
 3 |
 4 | let backgroundQueue = DispatchQueue.global(qos: DispatchQoS.QoSClass.background)
[9/9] Compiling When Error.swift
/host/spi-builder-workspace/Sources/Functions.swift:2:8: error: no such module 'Dispatch'
 1 | import Foundation
 2 | import Dispatch
   |        `- error: no such module 'Dispatch'
 3 |
 4 | let backgroundQueue = DispatchQueue.global(qos: DispatchQoS.QoSClass.background)
BUILD FAILURE 6.3 wasm