Swift Package Index

Build Information

Failed to build swift-signal, reference 1.0.0-alpha.1 (0b7d2f), with Swift 6.3 for Linux on 14 Apr 2026 08:28:52 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:basic-6.3-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/unixzii/swift-signal.git
Reference: 1.0.0-alpha.1
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/unixzii/swift-signal
 * tag               1.0.0-alpha.1 -> FETCH_HEAD
HEAD is now at 0b7d2f2 Fix typo
Cloned https://github.com/unixzii/swift-signal.git
Revision (git rev-parse @):
0b7d2f2378e1194741c633ff0c7a4948ca56f2ff
SUCCESS checkout https://github.com/unixzii/swift-signal.git at 1.0.0-alpha.1
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.3
Building package at path:  $PWD
https://github.com/unixzii/swift-signal.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:5a7d791d2ead8a924b1292cb31bf3288eabcfe8880e0b005b00b45b71a5bc36a
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version-24593BA9C3E375BF.txt
[4/10] Compiling SwiftSignal Signal.swift
[5/10] Compiling SwiftSignal Scope.swift
[6/10] Compiling SwiftSignal Observer.swift
[7/10] Compiling SwiftSignal Computation.swift
[8/10] Emitting module SwiftSignal
[9/10] Compiling SwiftSignal ThreadLocal.swift
[10/10] Compiling SwiftSignal Source.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[12/13] Emitting module SwiftUISignal
/host/spi-builder-workspace/Sources/SwiftUISignal/ObservedTypes.swift:8:8: error: no such module 'SwiftUI'
 6 | */
 7 |
 8 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 9 | import Combine
10 | import SwiftSignal
[13/13] Compiling SwiftUISignal ObservedTypes.swift
/host/spi-builder-workspace/Sources/SwiftUISignal/ObservedTypes.swift:8:8: error: no such module 'SwiftUI'
 6 | */
 7 |
 8 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 9 | import Combine
10 | import SwiftSignal
BUILD FAILURE 6.3 linux