Swift Package Index

Build Information

Failed to build MultiPicker, reference main (6ecf48), with Swift 6.1 for Linux on 21 Apr 2026 05:37:17 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/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/MultiPicker.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/MultiPicker
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 6ecf486 Remove the retroactive conformance of Binding to Equatable and use a custom Equatable implementation on SelectionBinding instead to avoid breaking the EditButton functionality in SwiftUI
Cloned https://github.com/toastersocks/MultiPicker.git
Revision (git rev-parse @):
6ecf486ba29c15ed11a0c4d5c0f9c5afeb5ed491
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/toastersocks/MultiPicker.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/toastersocks/MultiPicker.git
https://github.com/toastersocks/MultiPicker.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$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
Fetching https://github.com/toastersocks/Helpers.git
Fetching https://github.com/toastersocks/Flow.git
[1/177] Fetching helpers
[178/591] Fetching helpers, flow
Fetched https://github.com/toastersocks/Helpers.git from cache (1.01s)
Fetched https://github.com/toastersocks/Flow.git from cache (1.00s)
Computing version for https://github.com/toastersocks/Helpers.git
Computed https://github.com/toastersocks/Helpers.git at 1.0.2 (2.45s)
Computing version for https://github.com/toastersocks/Flow.git
Computed https://github.com/toastersocks/Flow.git at 1.3.1 (1.16s)
Creating working copy for https://github.com/toastersocks/Helpers.git
Working copy of https://github.com/toastersocks/Helpers.git resolved at 1.0.2
Creating working copy for https://github.com/toastersocks/Flow.git
Working copy of https://github.com/toastersocks/Flow.git resolved at 1.3.1
Building for debugging...
[0/4] Write sources
[3/4] Write swift-version-24593BA9C3E375BF.txt
[5/15] Compiling Flow SupportingTypes.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/.build/checkouts/Flow/Sources/Flow/Flow.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 |
[6/15] 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/.build/checkouts/Helpers/Sources/Helpers/Backport.swift:8:8: error: no such module 'SwiftUI'
 6 | //
 7 |
 8 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 9 |
10 |
[7/15] 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/.build/checkouts/Helpers/Sources/Helpers/Backport.swift:8:8: error: no such module 'SwiftUI'
 6 | //
 7 |
 8 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 9 |
10 |
[8/15] Compiling Flow PreviewCode.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/.build/checkouts/Flow/Sources/Flow/Flow.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 |
[9/15] 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/.build/checkouts/Helpers/Sources/Helpers/Backport.swift:8:8: error: no such module 'SwiftUI'
 6 | //
 7 |
 8 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 9 |
10 |
[10/15] 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/.build/checkouts/Helpers/Sources/Helpers/Backport.swift:8:8: error: no such module 'SwiftUI'
 6 | //
 7 |
 8 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 9 |
10 |
[11/15] 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/.build/checkouts/Helpers/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)
[12/15] 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/.build/checkouts/Helpers/Sources/Helpers/Backport.swift:8:8: error: no such module 'SwiftUI'
 6 | //
 7 |
 8 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 9 |
10 |
[13/15] 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/.build/checkouts/Helpers/Sources/Helpers/Backport.swift:8:8: error: no such module 'SwiftUI'
 6 | //
 7 |
 8 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 9 |
10 |
<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
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/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 Backport.swift
/host/spi-builder-workspace/.build/checkouts/Helpers/Sources/Helpers/Backport.swift:8:8: error: no such module 'SwiftUI'
 6 | //
 7 |
 8 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 9 |
10 |
[3/12] Compiling Helpers Variadic.swift
/host/spi-builder-workspace/.build/checkouts/Helpers/Sources/Helpers/Backport.swift:8:8: error: no such module 'SwiftUI'
 6 | //
 7 |
 8 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 9 |
10 |
[4/12] Compiling Helpers PreviewHelpers.swift
/host/spi-builder-workspace/.build/checkouts/Helpers/Sources/Helpers/Backport.swift:8:8: error: no such module 'SwiftUI'
 6 | //
 7 |
 8 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 9 |
10 |
[5/12] Compiling Helpers Combine+.swift
/host/spi-builder-workspace/.build/checkouts/Helpers/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)
[6/12] Emitting module Helpers
/host/spi-builder-workspace/.build/checkouts/Helpers/Sources/Helpers/Backport.swift:8:8: error: no such module 'SwiftUI'
 6 | //
 7 |
 8 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 9 |
10 |
[7/12] Compiling Helpers Backports.swift
/host/spi-builder-workspace/.build/checkouts/Helpers/Sources/Helpers/Backport.swift:8:8: error: no such module 'SwiftUI'
 6 | //
 7 |
 8 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 9 |
10 |
[8/12] Compiling Helpers Extensions.swift
/host/spi-builder-workspace/.build/checkouts/Helpers/Sources/Helpers/Backport.swift:8:8: error: no such module 'SwiftUI'
 6 | //
 7 |
 8 | import SwiftUI
   |        `- error: no such module 'SwiftUI'
 9 |
10 |
[9/12] Compiling Flow PreviewCode.swift
/host/spi-builder-workspace/.build/checkouts/Flow/Sources/Flow/Flow.swift:1:8: error: no such module 'SwiftUI'
  1 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  2 |
  3 |
BUILD FAILURE 6.1 linux