Build Information
Failed to build Ambassador, reference master (4fe264), with Swift 6.3 for Wasm on 10 Apr 2026 21:43:00 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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>&1Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/envoy/Ambassador.git
Reference: master
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/envoy/Ambassador
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 4fe264a Swift 5 migration (#48)
Cloned https://github.com/envoy/Ambassador.git
Revision (git rev-parse @):
4fe264af51e0dd7228486c604750909e368241a7
SUCCESS checkout https://github.com/envoy/Ambassador.git at master
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/envoy/Ambassador.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$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/envoy/Embassy.git
[1/1855] Fetching embassy
Fetched https://github.com/envoy/Embassy.git from cache (0.95s)
Computing version for https://github.com/envoy/Embassy.git
Computed https://github.com/envoy/Embassy.git at 4.1.6 (6.90s)
Creating working copy for https://github.com/envoy/Embassy.git
Working copy of https://github.com/envoy/Embassy.git resolved at 4.1.6
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)
[4/30] Emitting module Embassy
/host/spi-builder-workspace/.build/checkouts/Embassy/Sources/DefaultHTTPServer.swift:10:8: error: no such module 'Dispatch'
8 |
9 | import Foundation
10 | import Dispatch
| `- error: no such module 'Dispatch'
11 |
12 | public final class DefaultHTTPServer: HTTPServer {
[5/33] Compiling Embassy HTTPHeaderParser.swift
/host/spi-builder-workspace/.build/checkouts/Embassy/Sources/DefaultHTTPServer.swift:10:8: error: no such module 'Dispatch'
8 |
9 | import Foundation
10 | import Dispatch
| `- error: no such module 'Dispatch'
11 |
12 | public final class DefaultHTTPServer: HTTPServer {
[6/33] Compiling Embassy HTTPRequest.swift
/host/spi-builder-workspace/.build/checkouts/Embassy/Sources/DefaultHTTPServer.swift:10:8: error: no such module 'Dispatch'
8 |
9 | import Foundation
10 | import Dispatch
| `- error: no such module 'Dispatch'
11 |
12 | public final class DefaultHTTPServer: HTTPServer {
[7/33] Compiling Embassy HTTPServer.swift
/host/spi-builder-workspace/.build/checkouts/Embassy/Sources/DefaultHTTPServer.swift:10:8: error: no such module 'Dispatch'
8 |
9 | import Foundation
10 | import Dispatch
| `- error: no such module 'Dispatch'
11 |
12 | public final class DefaultHTTPServer: HTTPServer {
[8/33] Compiling Embassy HeapSort.swift
/host/spi-builder-workspace/.build/checkouts/Embassy/Sources/DefaultHTTPServer.swift:10:8: error: no such module 'Dispatch'
8 |
9 | import Foundation
10 | import Dispatch
| `- error: no such module 'Dispatch'
11 |
12 | public final class DefaultHTTPServer: HTTPServer {
[9/33] Compiling Embassy Atomic.swift
/host/spi-builder-workspace/.build/checkouts/Embassy/Sources/DefaultHTTPServer.swift:10:8: error: no such module 'Dispatch'
8 |
9 | import Foundation
10 | import Dispatch
| `- error: no such module 'Dispatch'
11 |
12 | public final class DefaultHTTPServer: HTTPServer {
[10/33] Compiling Embassy DefaultHTTPServer.swift
/host/spi-builder-workspace/.build/checkouts/Embassy/Sources/DefaultHTTPServer.swift:10:8: error: no such module 'Dispatch'
8 |
9 | import Foundation
10 | import Dispatch
| `- error: no such module 'Dispatch'
11 |
12 | public final class DefaultHTTPServer: HTTPServer {
[11/33] Compiling Embassy DefaultLogFormatter.swift
/host/spi-builder-workspace/.build/checkouts/Embassy/Sources/DefaultHTTPServer.swift:10:8: error: no such module 'Dispatch'
8 |
9 | import Foundation
10 | import Dispatch
| `- error: no such module 'Dispatch'
11 |
12 | public final class DefaultHTTPServer: HTTPServer {
[12/33] Compiling Embassy DefaultLogger.swift
/host/spi-builder-workspace/.build/checkouts/Embassy/Sources/DefaultHTTPServer.swift:10:8: error: no such module 'Dispatch'
8 |
9 | import Foundation
10 | import Dispatch
| `- error: no such module 'Dispatch'
11 |
12 | public final class DefaultHTTPServer: HTTPServer {
[13/33] Compiling Embassy Logger.swift
/host/spi-builder-workspace/.build/checkouts/Embassy/Sources/DefaultHTTPServer.swift:10:8: error: no such module 'Dispatch'
8 |
9 | import Foundation
10 | import Dispatch
| `- error: no such module 'Dispatch'
11 |
12 | public final class DefaultHTTPServer: HTTPServer {
[14/33] Compiling Embassy MultiDictionary.swift
/host/spi-builder-workspace/.build/checkouts/Embassy/Sources/DefaultHTTPServer.swift:10:8: error: no such module 'Dispatch'
8 |
9 | import Foundation
10 | import Dispatch
| `- error: no such module 'Dispatch'
11 |
12 | public final class DefaultHTTPServer: HTTPServer {
[15/33] Compiling Embassy PrintLogHandler.swift
/host/spi-builder-workspace/.build/checkouts/Embassy/Sources/DefaultHTTPServer.swift:10:8: error: no such module 'Dispatch'
8 |
9 | import Foundation
10 | import Dispatch
| `- error: no such module 'Dispatch'
11 |
12 | public final class DefaultHTTPServer: HTTPServer {
[16/33] Compiling Embassy PropagateLogHandler.swift
/host/spi-builder-workspace/.build/checkouts/Embassy/Sources/DefaultHTTPServer.swift:10:8: error: no such module 'Dispatch'
8 |
9 | import Foundation
10 | import Dispatch
| `- error: no such module 'Dispatch'
11 |
12 | public final class DefaultHTTPServer: HTTPServer {
[17/33] Compiling Embassy TCPSocket.swift
/host/spi-builder-workspace/.build/checkouts/Embassy/Sources/DefaultHTTPServer.swift:10:8: error: no such module 'Dispatch'
8 |
9 | import Foundation
10 | import Dispatch
| `- error: no such module 'Dispatch'
11 |
12 | public final class DefaultHTTPServer: HTTPServer {
[18/33] Compiling Embassy TransformLogHandler.swift
/host/spi-builder-workspace/.build/checkouts/Embassy/Sources/DefaultHTTPServer.swift:10:8: error: no such module 'Dispatch'
8 |
9 | import Foundation
10 | import Dispatch
| `- error: no such module 'Dispatch'
11 |
12 | public final class DefaultHTTPServer: HTTPServer {
[19/33] Compiling Embassy Transport.swift
/host/spi-builder-workspace/.build/checkouts/Embassy/Sources/DefaultHTTPServer.swift:10:8: error: no such module 'Dispatch'
8 |
9 | import Foundation
10 | import Dispatch
| `- error: no such module 'Dispatch'
11 |
12 | public final class DefaultHTTPServer: HTTPServer {
[20/33] Compiling Embassy Selector.swift
/host/spi-builder-workspace/.build/checkouts/Embassy/Sources/DefaultHTTPServer.swift:10:8: error: no such module 'Dispatch'
8 |
9 | import Foundation
10 | import Dispatch
| `- error: no such module 'Dispatch'
11 |
12 | public final class DefaultHTTPServer: HTTPServer {
[21/33] Compiling Embassy SelectorEventLoop.swift
/host/spi-builder-workspace/.build/checkouts/Embassy/Sources/DefaultHTTPServer.swift:10:8: error: no such module 'Dispatch'
8 |
9 | import Foundation
10 | import Dispatch
| `- error: no such module 'Dispatch'
11 |
12 | public final class DefaultHTTPServer: HTTPServer {
[22/33] Compiling Embassy SystemLibrary.swift
/host/spi-builder-workspace/.build/checkouts/Embassy/Sources/DefaultHTTPServer.swift:10:8: error: no such module 'Dispatch'
8 |
9 | import Foundation
10 | import Dispatch
| `- error: no such module 'Dispatch'
11 |
12 | public final class DefaultHTTPServer: HTTPServer {
[23/33] Compiling Embassy Errors.swift
/host/spi-builder-workspace/.build/checkouts/Embassy/Sources/DefaultHTTPServer.swift:10:8: error: no such module 'Dispatch'
8 |
9 | import Foundation
10 | import Dispatch
| `- error: no such module 'Dispatch'
11 |
12 | public final class DefaultHTTPServer: HTTPServer {
[24/33] Compiling Embassy EventLoop.swift
/host/spi-builder-workspace/.build/checkouts/Embassy/Sources/DefaultHTTPServer.swift:10:8: error: no such module 'Dispatch'
8 |
9 | import Foundation
10 | import Dispatch
| `- error: no such module 'Dispatch'
11 |
12 | public final class DefaultHTTPServer: HTTPServer {
[25/33] Compiling Embassy FileLogHandler.swift
/host/spi-builder-workspace/.build/checkouts/Embassy/Sources/DefaultHTTPServer.swift:10:8: error: no such module 'Dispatch'
8 |
9 | import Foundation
10 | import Dispatch
| `- error: no such module 'Dispatch'
11 |
12 | public final class DefaultHTTPServer: HTTPServer {
[26/33] Compiling Embassy HTTPConnection.swift
/host/spi-builder-workspace/.build/checkouts/Embassy/Sources/DefaultHTTPServer.swift:10:8: error: no such module 'Dispatch'
8 |
9 | import Foundation
10 | import Dispatch
| `- error: no such module 'Dispatch'
11 |
12 | public final class DefaultHTTPServer: HTTPServer {
[27/33] Compiling Embassy IOUtils.swift
/host/spi-builder-workspace/.build/checkouts/Embassy/Sources/DefaultHTTPServer.swift:10:8: error: no such module 'Dispatch'
8 |
9 | import Foundation
10 | import Dispatch
| `- error: no such module 'Dispatch'
11 |
12 | public final class DefaultHTTPServer: HTTPServer {
[28/33] Compiling Embassy KqueueSelector.swift
/host/spi-builder-workspace/.build/checkouts/Embassy/Sources/DefaultHTTPServer.swift:10:8: error: no such module 'Dispatch'
8 |
9 | import Foundation
10 | import Dispatch
| `- error: no such module 'Dispatch'
11 |
12 | public final class DefaultHTTPServer: HTTPServer {
[29/33] Compiling Embassy LogFormatter.swift
/host/spi-builder-workspace/.build/checkouts/Embassy/Sources/DefaultHTTPServer.swift:10:8: error: no such module 'Dispatch'
8 |
9 | import Foundation
10 | import Dispatch
| `- error: no such module 'Dispatch'
11 |
12 | public final class DefaultHTTPServer: HTTPServer {
[30/33] Compiling Embassy LogHandler.swift
/host/spi-builder-workspace/.build/checkouts/Embassy/Sources/DefaultHTTPServer.swift:10:8: error: no such module 'Dispatch'
8 |
9 | import Foundation
10 | import Dispatch
| `- error: no such module 'Dispatch'
11 |
12 | public final class DefaultHTTPServer: HTTPServer {
[31/33] Compiling Embassy SWSGI.swift
/host/spi-builder-workspace/.build/checkouts/Embassy/Sources/DefaultHTTPServer.swift:10:8: error: no such module 'Dispatch'
8 |
9 | import Foundation
10 | import Dispatch
| `- error: no such module 'Dispatch'
11 |
12 | public final class DefaultHTTPServer: HTTPServer {
[32/33] Compiling Embassy SWSGIUtils.swift
/host/spi-builder-workspace/.build/checkouts/Embassy/Sources/DefaultHTTPServer.swift:10:8: error: no such module 'Dispatch'
8 |
9 | import Foundation
10 | import Dispatch
| `- error: no such module 'Dispatch'
11 |
12 | public final class DefaultHTTPServer: HTTPServer {
[33/33] Compiling Embassy SelectSelector.swift
/host/spi-builder-workspace/.build/checkouts/Embassy/Sources/DefaultHTTPServer.swift:10:8: error: no such module 'Dispatch'
8 |
9 | import Foundation
10 | import Dispatch
| `- error: no such module 'Dispatch'
11 |
12 | public final class DefaultHTTPServer: HTTPServer {
BUILD FAILURE 6.3 wasm