Swift Package Index

Build Information

Failed to build Helpers, reference main (346e15), with Swift 6.1 for Linux on 21 Apr 2026 08:39:29 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/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-6.1-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/toastersocks/Helpers.git
Reference: main
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/toastersocks/Helpers
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 346e151 Merge pull request #2 from FelixSFD/main
Cloned https://github.com/toastersocks/Helpers.git
Revision (git rev-parse @):
346e151c1fece09adaddd9ed1fe6d8930e29b72d
SUCCESS checkout https://github.com/toastersocks/Helpers.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/toastersocks/Helpers.git
https://github.com/toastersocks/Helpers.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1
basic-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:a7bfd71e9384436264431030299dc8a2d42d0664a168cfa1a5dd84c9bc592ccf
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:basic-6.1-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/9] Compiling Helpers Variadic.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
/host/spi-builder-workspace/Sources/Helpers/Backport.swift:8:8: error: no such module 'SwiftUI'
 6 | //
 7 |
 8 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 9 |
10 |
[4/9] Compiling Helpers PreviewHelpers.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
/host/spi-builder-workspace/Sources/Helpers/Backport.swift:8:8: error: no such module 'SwiftUI'
 6 | //
 7 |
 8 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 9 |
10 |
[5/9] Compiling Helpers Combine+.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
/host/spi-builder-workspace/Sources/Helpers/Backport.swift:8:8: error: no such module 'SwiftUI'
 6 | //
 7 |
 8 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 9 |
10 |
[6/9] Compiling Helpers Backports.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
/host/spi-builder-workspace/Sources/Helpers/Backport.swift:8:8: error: no such module 'SwiftUI'
 6 | //
 7 |
 8 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 9 |
10 |
[7/9] Compiling Helpers Extensions.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
/host/spi-builder-workspace/Sources/Helpers/Backport.swift:8:8: error: no such module 'SwiftUI'
 6 | //
 7 |
 8 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 9 |
10 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[8/9] Emitting module Helpers
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
/host/spi-builder-workspace/Sources/Helpers/Backport.swift:8:8: error: no such module 'SwiftUI'
 6 | //
 7 |
 8 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 9 |
10 |
[9/9] Compiling Helpers Backport.swift
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
/host/spi-builder-workspace/Sources/Helpers/Backport.swift:8:8: error: no such module 'SwiftUI'
 6 | //
 7 |
 8 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 9 |
10 |
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/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-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:a7bfd71e9384436264431030299dc8a2d42d0664a168cfa1a5dd84c9bc592ccf
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:basic-6.1-latest
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/8] Compiling Helpers Extensions.swift
/host/spi-builder-workspace/Sources/Helpers/Backport.swift:8:8: error: no such module 'SwiftUI'
 6 | //
 7 |
 8 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 9 |
10 |
[3/8] Compiling Helpers PreviewHelpers.swift
/host/spi-builder-workspace/Sources/Helpers/Backport.swift:8:8: error: no such module 'SwiftUI'
 6 | //
 7 |
 8 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 9 |
10 |
[4/8] Compiling Helpers Combine+.swift
/host/spi-builder-workspace/Sources/Helpers/Backport.swift:8:8: error: no such module 'SwiftUI'
 6 | //
 7 |
 8 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 9 |
10 |
[5/8] Compiling Helpers Backports.swift
/host/spi-builder-workspace/Sources/Helpers/Backport.swift:8:8: error: no such module 'SwiftUI'
 6 | //
 7 |
 8 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 9 |
10 |
[6/8] Compiling Helpers Backport.swift
/host/spi-builder-workspace/Sources/Helpers/Backport.swift:8:8: error: no such module 'SwiftUI'
 6 | //
 7 |
 8 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 9 |
10 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[7/8] Emitting module Helpers
/host/spi-builder-workspace/Sources/Helpers/Backport.swift:8:8: error: no such module 'SwiftUI'
 6 | //
 7 |
 8 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 9 |
10 |
[8/8] Compiling Helpers Variadic.swift
/host/spi-builder-workspace/Sources/Helpers/Backport.swift:8:8: error: no such module 'SwiftUI'
 6 | //
 7 |
 8 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 9 |
10 |
BUILD FAILURE 6.1 linux