Swift Package Index

Build Information

Failed to build ReactiveStreams, reference 0.4.2 (b66ce5), with Swift 6.3 for Wasm on 11 Apr 2026 23:15:52 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/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/glessard/swift-reactive-streams.git
Reference: 0.4.2
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/glessard/swift-reactive-streams
 * tag               0.4.2      -> FETCH_HEAD
HEAD is now at b66ce52 update dependencies
Cloned https://github.com/glessard/swift-reactive-streams.git
Revision (git rev-parse @):
b66ce52b4b043b3ac49e35b6ecfa93e6f394f284
SUCCESS checkout https://github.com/glessard/swift-reactive-streams.git at 0.4.2
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/glessard/swift-reactive-streams.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$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/glessard/deferred.git
Fetching https://github.com/glessard/CAtomics.git
Fetching https://github.com/glessard/CurrentQoS.git
[1/7501] Fetching deferred
[1427/7651] Fetching deferred, currentqos
[3977/10788] Fetching deferred, currentqos, catomics
Fetched https://github.com/glessard/CurrentQoS.git from cache (0.35s)
Fetched https://github.com/glessard/CAtomics.git from cache (0.36s)
Fetched https://github.com/glessard/deferred.git from cache (0.36s)
Computing version for https://github.com/glessard/deferred.git
Computed https://github.com/glessard/deferred.git at 6.7.1 (0.86s)
Computing version for https://github.com/glessard/CAtomics.git
Computed https://github.com/glessard/CAtomics.git at 6.5.1 (2.60s)
Computing version for https://github.com/glessard/CurrentQoS.git
Computed https://github.com/glessard/CurrentQoS.git at 1.2.2 (0.54s)
Creating working copy for https://github.com/glessard/CurrentQoS.git
Working copy of https://github.com/glessard/CurrentQoS.git resolved at 1.2.2
Creating working copy for https://github.com/glessard/CAtomics.git
Working copy of https://github.com/glessard/CAtomics.git resolved at 6.5.1
Creating working copy for https://github.com/glessard/deferred.git
Working copy of https://github.com/glessard/deferred.git resolved at 6.7.1
Building for debugging...
[0/5] Write sources
[3/5] Write swift-version-24593BA9C3E375BF.txt
[4/5] Compiling CAtomics CAtomics.c
error: emit-module command failed with exit code 1 (use -v to see invocation)
[6/8] Emitting module CurrentQoS
/host/spi-builder-workspace/.build/checkouts/CurrentQoS/Sources/CurrentQoS/BetterQoS.swift:5:8: error: no such module 'Dispatch'
 3 | //
 4 |
 5 | import Dispatch
   |        `- error: no such module 'Dispatch'
 6 |
 7 | extension DispatchQoS
[7/8] Compiling CurrentQoS CurrentQoS.swift
/host/spi-builder-workspace/.build/checkouts/CurrentQoS/Sources/CurrentQoS/BetterQoS.swift:5:8: error: no such module 'Dispatch'
 3 | //
 4 |
 5 | import Dispatch
   |        `- error: no such module 'Dispatch'
 6 |
 7 | extension DispatchQoS
[8/8] Compiling CurrentQoS BetterQoS.swift
/host/spi-builder-workspace/.build/checkouts/CurrentQoS/Sources/CurrentQoS/BetterQoS.swift:5:8: error: no such module 'Dispatch'
 3 | //
 4 |
 5 | import Dispatch
   |        `- error: no such module 'Dispatch'
 6 |
 7 | extension DispatchQoS
BUILD FAILURE 6.3 wasm