Swift Package IndexBuild Information
Failed to build Modals, reference 2.1.0 (a44e0a), with Swift 6.1 for Linux on 15 Apr 2026 19:30:55 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/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:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1Build Log
========================================
RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/square/swift-modals.git
Reference: 2.1.0
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/square/swift-modals
* tag 2.1.0 -> FETCH_HEAD
HEAD is now at a44e0a2 Bump maximum workflow-swift version to < 6.0.0 (#11)
Cloned https://github.com/square/swift-modals.git
Revision (git rev-parse @):
a44e0a24a2af231d1a72854468966bf427afd857
SUCCESS checkout https://github.com/square/swift-modals.git at 2.1.0
========================================
Build
========================================
Selected platform: linux
Swift version: 6.1
Building package at path: $PWD
https://github.com/square/swift-modals.git
https://github.com/square/swift-modals.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images: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/square/workflow-swift
Fetching https://github.com/apple/swift-log
Fetching https://github.com/square/swift-keyboard-observer
[1/101] Fetching swift-keyboard-observer
[85/6684] Fetching swift-keyboard-observer, swift-log
Fetched https://github.com/square/swift-keyboard-observer from cache (0.38s)
[66/6583] Fetching swift-log
[3885/40182] Fetching swift-log, workflow-swift
Fetched https://github.com/apple/swift-log from cache (1.42s)
Fetched https://github.com/square/workflow-swift from cache (1.44s)
Computing version for https://github.com/square/swift-keyboard-observer
Computed https://github.com/square/swift-keyboard-observer at 1.1.0 (2.22s)
Computing version for https://github.com/square/workflow-swift
Computed https://github.com/square/workflow-swift at 5.1.0 (0.93s)
Fetching https://github.com/pointfreeco/swift-custom-dump
Fetching https://github.com/pointfreeco/swift-identified-collections
Fetching https://github.com/swiftlang/swift-syntax
Fetching https://github.com/pointfreeco/swift-case-paths
Fetching https://github.com/pointfreeco/swift-perception
Fetching https://github.com/pointfreeco/xctest-dynamic-overlay
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Fetched https://github.com/pointfreeco/swift-case-paths from cache (0.72s)
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Fetching https://github.com/ReactiveX/RxSwift.git
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Fetched https://github.com/pointfreeco/swift-identified-collections from cache (0.76s)
[11037/88125] Fetching swift-perception, xctest-dynamic-overlay, swift-custom-dump, swift-syntax
Fetching https://github.com/ReactiveCocoa/ReactiveSwift.git
[22151/140625] Fetching swift-perception, xctest-dynamic-overlay, swift-custom-dump, swift-syntax, reactiveswift
Fetched https://github.com/pointfreeco/swift-perception from cache (1.30s)
[21759/138659] Fetching xctest-dynamic-overlay, swift-custom-dump, swift-syntax, reactiveswift
Fetched https://github.com/pointfreeco/xctest-dynamic-overlay from cache (1.33s)
[17836/132936] Fetching swift-custom-dump, swift-syntax, reactiveswift
[21212/187241] Fetching swift-custom-dump, swift-syntax, reactiveswift, rxswift
Fetched https://github.com/ReactiveCocoa/ReactiveSwift.git from cache (3.90s)
[132832/134741] Fetching swift-custom-dump, swift-syntax, rxswift
Fetched https://github.com/pointfreeco/swift-custom-dump from cache (11.87s)
Fetched https://github.com/swiftlang/swift-syntax from cache (12.07s)
Fetched https://github.com/ReactiveX/RxSwift.git from cache (11.95s)
Computing version for https://github.com/pointfreeco/swift-case-paths
Computed https://github.com/pointfreeco/swift-case-paths at 1.7.3 (16.56s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 601.0.1 (4.42s)
Computing version for https://github.com/ReactiveCocoa/ReactiveSwift.git
Computed https://github.com/ReactiveCocoa/ReactiveSwift.git at 7.2.1 (1.19s)
Computing version for https://github.com/pointfreeco/swift-custom-dump
Computed https://github.com/pointfreeco/swift-custom-dump at 1.5.0 (0.61s)
Computing version for https://github.com/pointfreeco/swift-identified-collections
Computed https://github.com/pointfreeco/swift-identified-collections at 1.1.1 (1.47s)
Fetching https://github.com/apple/swift-collections
[1/23537] Fetching swift-collections
Fetched https://github.com/apple/swift-collections from cache (1.99s)
Computing version for https://github.com/ReactiveX/RxSwift.git
Computed https://github.com/ReactiveX/RxSwift.git at 6.10.2 (2.88s)
Computing version for https://github.com/pointfreeco/swift-perception
Computed https://github.com/pointfreeco/swift-perception at 2.0.10 (0.76s)
Computing version for https://github.com/pointfreeco/xctest-dynamic-overlay
Computed https://github.com/pointfreeco/xctest-dynamic-overlay at 1.9.0 (0.73s)
Computing version for https://github.com/apple/swift-collections
Computed https://github.com/apple/swift-collections at 1.4.1 (0.95s)
Computing version for https://github.com/apple/swift-log
Computed https://github.com/apple/swift-log at 1.12.0 (0.60s)
Creating working copy for https://github.com/square/swift-keyboard-observer
Working copy of https://github.com/square/swift-keyboard-observer resolved at 1.1.0
Creating working copy for https://github.com/apple/swift-log
Working copy of https://github.com/apple/swift-log resolved at 1.12.0
Creating working copy for https://github.com/pointfreeco/swift-perception
Working copy of https://github.com/pointfreeco/swift-perception resolved at 2.0.10
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 601.0.1
Creating working copy for https://github.com/pointfreeco/swift-custom-dump
Working copy of https://github.com/pointfreeco/swift-custom-dump resolved at 1.5.0
Creating working copy for https://github.com/ReactiveX/RxSwift.git
Working copy of https://github.com/ReactiveX/RxSwift.git resolved at 6.10.2
Creating working copy for https://github.com/pointfreeco/xctest-dynamic-overlay
Working copy of https://github.com/pointfreeco/xctest-dynamic-overlay resolved at 1.9.0
Creating working copy for https://github.com/square/workflow-swift
Working copy of https://github.com/square/workflow-swift resolved at 5.1.0
Creating working copy for https://github.com/pointfreeco/swift-identified-collections
Working copy of https://github.com/pointfreeco/swift-identified-collections resolved at 1.1.1
Creating working copy for https://github.com/ReactiveCocoa/ReactiveSwift.git
Working copy of https://github.com/ReactiveCocoa/ReactiveSwift.git resolved at 7.2.1
Creating working copy for https://github.com/pointfreeco/swift-case-paths
Working copy of https://github.com/pointfreeco/swift-case-paths resolved at 1.7.3
Creating working copy for https://github.com/apple/swift-collections
Working copy of https://github.com/apple/swift-collections resolved at 1.4.1
Building for debugging...
[0/24] Write sources
[0/24] Copying Localizable.strings
[0/24] Write sources
[0/24] Copying Localizable.strings
[0/24] Write sources
[0/24] Copying Localizable.strings
[0/24] Copying Info.plist
[0/24] Write sources
[23/24] Write swift-version-24593BA9C3E375BF.txt
[25/84] Emitting module Logging
<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
[26/84] Compiling IssueReportingPackageSupport _Test.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
[27/84] Emitting module IssueReportingPackageSupport
<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
[28/85] Compiling ViewEnvironment ViewEnvironmentKey.swift
[29/85] Compiling Logging LogEvent.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
[30/85] Compiling ViewEnvironment ViewEnvironment.swift
[31/85] Emitting module ViewEnvironment
[32/85] Compiling ViewEnvironment EnvironmentValues+ViewEnvironment.swift
[33/86] Compiling Logging LogHandler.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
error: emit-module command failed with exit code 1 (use -v to see invocation)
[34/86] Emitting module KeyboardObserver
/host/spi-builder-workspace/.build/checkouts/swift-keyboard-observer/KeyboardObserver/Sources/KeyboardObserver.swift:3:8: error: no such module 'UIKit'
1 | #if !os(watchOS)
2 |
3 | import UIKit
| `- error: no such module 'UIKit'
4 |
5 | /// Publicly exposes the current frame provider for consumers
[35/86] Compiling KeyboardObserver KeyboardObserver.swift
/host/spi-builder-workspace/.build/checkouts/swift-keyboard-observer/KeyboardObserver/Sources/KeyboardObserver.swift:3:8: error: no such module 'UIKit'
1 | #if !os(watchOS)
2 |
3 | import UIKit
| `- error: no such module 'UIKit'
4 |
5 | /// Publicly exposes the current frame provider for consumers
<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-4606859-0":/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: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
[2/61] Compiling IssueReportingPackageSupport _Test.swift
[3/61] Compiling Logging LogHandler.swift
[4/61] Compiling Logging LogEvent.swift
[5/61] Emitting module IssueReportingPackageSupport
[6/62] Compiling ViewEnvironment ViewEnvironmentKey.swift
[7/62] Emitting module ViewEnvironment
[9/62] Compiling ViewEnvironment EnvironmentValues+ViewEnvironment.swift
[10/62] Compiling ViewEnvironment ViewEnvironment.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[11/63] Emitting module KeyboardObserver
/host/spi-builder-workspace/.build/checkouts/swift-keyboard-observer/KeyboardObserver/Sources/KeyboardObserver.swift:3:8: error: no such module 'UIKit'
1 | #if !os(watchOS)
2 |
3 | import UIKit
| `- error: no such module 'UIKit'
4 |
5 | /// Publicly exposes the current frame provider for consumers
[12/63] Compiling KeyboardObserver KeyboardObserver.swift
/host/spi-builder-workspace/.build/checkouts/swift-keyboard-observer/KeyboardObserver/Sources/KeyboardObserver.swift:3:8: error: no such module 'UIKit'
1 | #if !os(watchOS)
2 |
3 | import UIKit
| `- error: no such module 'UIKit'
4 |
5 | /// Publicly exposes the current frame provider for consumers
BUILD FAILURE 6.1 linux