Build Information
Failed to build FlyingFox, reference 0.26.2 (de3823), with Swift 6.3 for Wasm on 18 Apr 2026 05:47:38 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/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>&1Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/swhitty/FlyingFox.git
Reference: 0.26.2
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/swhitty/FlyingFox
* tag 0.26.2 -> FETCH_HEAD
HEAD is now at de38230 0.26.2
Cloned https://github.com/swhitty/FlyingFox.git
Revision (git rev-parse @):
de38230104cf63ef4843cb569ba11c13f8165685
SUCCESS checkout https://github.com/swhitty/FlyingFox.git at 0.26.2
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/swhitty/FlyingFox.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/host -w "$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
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[4/31] Emitting module FlyingSocks
/host/spi-builder-workspace/FlyingSocks/Sources/SocketPool.swift:32:8: error: no such module 'Dispatch'
30 | //
31 |
32 | import Dispatch
| `- error: no such module 'Dispatch'
33 | import Foundation
34 |
[5/34] Compiling FlyingSocks AsyncSocket.swift
/host/spi-builder-workspace/FlyingSocks/Sources/SocketPool.swift:32:8: error: no such module 'Dispatch'
30 | //
31 |
32 | import Dispatch
| `- error: no such module 'Dispatch'
33 | import Foundation
34 |
[6/34] Compiling FlyingSocks ConsumingAsyncSequence.swift
/host/spi-builder-workspace/FlyingSocks/Sources/SocketPool.swift:32:8: error: no such module 'Dispatch'
30 | //
31 |
32 | import Dispatch
| `- error: no such module 'Dispatch'
33 | import Foundation
34 |
[7/34] Compiling FlyingSocks IdentifiableContinuation.swift
/host/spi-builder-workspace/FlyingSocks/Sources/SocketPool.swift:32:8: error: no such module 'Dispatch'
30 | //
31 |
32 | import Dispatch
| `- error: no such module 'Dispatch'
33 | import Foundation
34 |
[8/34] Compiling FlyingSocks Logging+OSLog.swift
/host/spi-builder-workspace/FlyingSocks/Sources/SocketPool.swift:32:8: error: no such module 'Dispatch'
30 | //
31 |
32 | import Dispatch
| `- error: no such module 'Dispatch'
33 | import Foundation
34 |
[9/34] Compiling FlyingSocks Logging.swift
/host/spi-builder-workspace/FlyingSocks/Sources/SocketPool.swift:32:8: error: no such module 'Dispatch'
30 | //
31 |
32 | import Dispatch
| `- error: no such module 'Dispatch'
33 | import Foundation
34 |
[10/34] Compiling FlyingSocks Mutex.swift
/host/spi-builder-workspace/FlyingSocks/Sources/SocketPool.swift:32:8: error: no such module 'Dispatch'
30 | //
31 |
32 | import Dispatch
| `- error: no such module 'Dispatch'
33 | import Foundation
34 |
[11/34] Compiling FlyingSocks MutexSwift5.swift
/host/spi-builder-workspace/FlyingSocks/Sources/SocketPool.swift:32:8: error: no such module 'Dispatch'
30 | //
31 |
32 | import Dispatch
| `- error: no such module 'Dispatch'
33 | import Foundation
34 |
[12/34] Compiling FlyingSocks Socket+Android.swift
/host/spi-builder-workspace/FlyingSocks/Sources/SocketPool.swift:32:8: error: no such module 'Dispatch'
30 | //
31 |
32 | import Dispatch
| `- error: no such module 'Dispatch'
33 | import Foundation
34 |
[13/34] Compiling FlyingSocks Socket.swift
/host/spi-builder-workspace/FlyingSocks/Sources/SocketPool.swift:32:8: error: no such module 'Dispatch'
30 | //
31 |
32 | import Dispatch
| `- error: no such module 'Dispatch'
33 | import Foundation
34 |
[14/34] Compiling FlyingSocks SocketAddress.swift
/host/spi-builder-workspace/FlyingSocks/Sources/SocketPool.swift:32:8: error: no such module 'Dispatch'
30 | //
31 |
32 | import Dispatch
| `- error: no such module 'Dispatch'
33 | import Foundation
34 |
[15/34] Compiling FlyingSocks SocketError.swift
/host/spi-builder-workspace/FlyingSocks/Sources/SocketPool.swift:32:8: error: no such module 'Dispatch'
30 | //
31 |
32 | import Dispatch
| `- error: no such module 'Dispatch'
33 | import Foundation
34 |
[16/34] Compiling FlyingSocks SocketPool+Poll.swift
/host/spi-builder-workspace/FlyingSocks/Sources/SocketPool.swift:32:8: error: no such module 'Dispatch'
30 | //
31 |
32 | import Dispatch
| `- error: no such module 'Dispatch'
33 | import Foundation
34 |
[17/34] Compiling FlyingSocks Socket+Darwin.swift
/host/spi-builder-workspace/FlyingSocks/Sources/SocketPool.swift:32:8: error: no such module 'Dispatch'
30 | //
31 |
32 | import Dispatch
| `- error: no such module 'Dispatch'
33 | import Foundation
34 |
[18/34] Compiling FlyingSocks Socket+Glibc.swift
/host/spi-builder-workspace/FlyingSocks/Sources/SocketPool.swift:32:8: error: no such module 'Dispatch'
30 | //
31 |
32 | import Dispatch
| `- error: no such module 'Dispatch'
33 | import Foundation
34 |
[19/34] Compiling FlyingSocks Socket+Musl.swift
/host/spi-builder-workspace/FlyingSocks/Sources/SocketPool.swift:32:8: error: no such module 'Dispatch'
30 | //
31 |
32 | import Dispatch
| `- error: no such module 'Dispatch'
33 | import Foundation
34 |
[20/34] Compiling FlyingSocks Socket+WinSock2.swift
/host/spi-builder-workspace/FlyingSocks/Sources/SocketPool.swift:32:8: error: no such module 'Dispatch'
30 | //
31 |
32 | import Dispatch
| `- error: no such module 'Dispatch'
33 | import Foundation
34 |
[21/34] Compiling FlyingSocks SocketPool+ePoll.swift
/host/spi-builder-workspace/FlyingSocks/Sources/SocketPool.swift:32:8: error: no such module 'Dispatch'
30 | //
31 |
32 | import Dispatch
| `- error: no such module 'Dispatch'
33 | import Foundation
34 |
[22/34] Compiling FlyingSocks SocketPool+kQueue.swift
/host/spi-builder-workspace/FlyingSocks/Sources/SocketPool.swift:32:8: error: no such module 'Dispatch'
30 | //
31 |
32 | import Dispatch
| `- error: no such module 'Dispatch'
33 | import Foundation
34 |
[23/34] Compiling FlyingSocks SocketPool.swift
/host/spi-builder-workspace/FlyingSocks/Sources/SocketPool.swift:32:8: error: no such module 'Dispatch'
30 | //
31 |
32 | import Dispatch
| `- error: no such module 'Dispatch'
33 | import Foundation
34 |
[24/34] Compiling FlyingSocks SwiftSupport.swift
/host/spi-builder-workspace/FlyingSocks/Sources/SocketPool.swift:32:8: error: no such module 'Dispatch'
30 | //
31 |
32 | import Dispatch
| `- error: no such module 'Dispatch'
33 | import Foundation
34 |
[25/34] Compiling FlyingSocks Task+Timeout.swift
/host/spi-builder-workspace/FlyingSocks/Sources/SocketPool.swift:32:8: error: no such module 'Dispatch'
30 | //
31 |
32 | import Dispatch
| `- error: no such module 'Dispatch'
33 | import Foundation
34 |
[26/34] Compiling FlyingSocks Transferring.swift
/host/spi-builder-workspace/FlyingSocks/Sources/SocketPool.swift:32:8: error: no such module 'Dispatch'
30 | //
31 |
32 | import Dispatch
| `- error: no such module 'Dispatch'
33 | import Foundation
34 |
[27/34] Compiling FlyingSocks AsyncBufferedCollection.swift
/host/spi-builder-workspace/FlyingSocks/Sources/SocketPool.swift:32:8: error: no such module 'Dispatch'
30 | //
31 |
32 | import Dispatch
| `- error: no such module 'Dispatch'
33 | import Foundation
34 |
[28/34] Compiling FlyingSocks AsyncBufferedEmptySequence.swift
/host/spi-builder-workspace/FlyingSocks/Sources/SocketPool.swift:32:8: error: no such module 'Dispatch'
30 | //
31 |
32 | import Dispatch
| `- error: no such module 'Dispatch'
33 | import Foundation
34 |
[29/34] Compiling FlyingSocks AsyncBufferedFileSequence.swift
/host/spi-builder-workspace/FlyingSocks/Sources/SocketPool.swift:32:8: error: no such module 'Dispatch'
30 | //
31 |
32 | import Dispatch
| `- error: no such module 'Dispatch'
33 | import Foundation
34 |
[30/34] Compiling FlyingSocks AsyncBufferedPrefixSequence.swift
/host/spi-builder-workspace/FlyingSocks/Sources/SocketPool.swift:32:8: error: no such module 'Dispatch'
30 | //
31 |
32 | import Dispatch
| `- error: no such module 'Dispatch'
33 | import Foundation
34 |
[31/34] Compiling FlyingSocks AsyncBufferedSequence+Extensions.swift
/host/spi-builder-workspace/FlyingSocks/Sources/SocketPool.swift:32:8: error: no such module 'Dispatch'
30 | //
31 |
32 | import Dispatch
| `- error: no such module 'Dispatch'
33 | import Foundation
34 |
[32/34] Compiling FlyingSocks AsyncBufferedSequence.swift
/host/spi-builder-workspace/FlyingSocks/Sources/SocketPool.swift:32:8: error: no such module 'Dispatch'
30 | //
31 |
32 | import Dispatch
| `- error: no such module 'Dispatch'
33 | import Foundation
34 |
[33/34] Compiling FlyingSocks AsyncChunkedSequence.swift
/host/spi-builder-workspace/FlyingSocks/Sources/SocketPool.swift:32:8: error: no such module 'Dispatch'
30 | //
31 |
32 | import Dispatch
| `- error: no such module 'Dispatch'
33 | import Foundation
34 |
[34/34] Compiling FlyingSocks AsyncSharedReplaySequence.swift
/host/spi-builder-workspace/FlyingSocks/Sources/SocketPool.swift:32:8: error: no such module 'Dispatch'
30 | //
31 |
32 | import Dispatch
| `- error: no such module 'Dispatch'
33 | import Foundation
34 |
BUILD FAILURE 6.3 wasm