Swift Package Index

Build Information

Failed to build ContrastKit, reference 26.9.5 (bb19e2), with Swift 6.1 for Android on 5 Sep 2026 13:17:37 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344847-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.0.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/markbattistella/ContrastKit.git
Reference: 26.9.5
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/markbattistella/ContrastKit
 * tag               26.9.5     -> FETCH_HEAD
HEAD is now at bb19e27 2026-09-05
Cloned https://github.com/markbattistella/ContrastKit.git
Revision (git rev-parse @):
bb19e27d8782f9738710505b7dcb98b001ee6b2f
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/markbattistella/ContrastKit.git at 26.9.5
========================================
Build
========================================
Selected platform:         android
Swift version:             6.1
Building package at path:  $PWD
https://github.com/markbattistella/ContrastKit.git
https://github.com/markbattistella/ContrastKit.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344847-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 -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
android-6.1-latest: Pulling from saguaro1/spi-images
Digest: sha256:0cd0efb458d677a6de9b5e028d30e2aa1d1b247c2277202ba317a28ce9e867e0
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:android-6.1-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/13] Compiling ContrastKit Example+SwiftUI.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/ContrastKit/Internal/Color+Helpers.swift:7:8: error: no such module 'SwiftUI'
  5 | //
  6 |
  7 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  8 |
  9 | // MARK: - Internal APIs
[4/14] Compiling ContrastKit PreviewTesting.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/ContrastKit/Internal/Color+Helpers.swift:7:8: error: no such module 'SwiftUI'
  5 | //
  6 |
  7 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  8 |
  9 | // MARK: - Internal APIs
error: emit-module command failed with exit code 1 (use -v to see invocation)
[5/14] Emitting module ContrastKit
<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/ContrastKit/Internal/Color+Helpers.swift:7:8: error: no such module 'SwiftUI'
  5 | //
  6 |
  7 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  8 |
  9 | // MARK: - Internal APIs
[6/14] Compiling ContrastKit ColorLevel.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/ContrastKit/Internal/Color+Helpers.swift:7:8: error: no such module 'SwiftUI'
  5 | //
  6 |
  7 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  8 |
  9 | // MARK: - Internal APIs
[7/14] Compiling ContrastKit ContrastLevel.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/ContrastKit/Internal/Color+Helpers.swift:7:8: error: no such module 'SwiftUI'
  5 | //
  6 |
  7 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  8 |
  9 | // MARK: - Internal APIs
[8/14] Compiling ContrastKit ColorLevelStyle.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/ContrastKit/Internal/Color+Helpers.swift:7:8: error: no such module 'SwiftUI'
  5 | //
  6 |
  7 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  8 |
  9 | // MARK: - Internal APIs
[9/14] Compiling ContrastKit Color+Ext.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/ContrastKit/Internal/Color+Helpers.swift:7:8: error: no such module 'SwiftUI'
  5 | //
  6 |
  7 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  8 |
  9 | // MARK: - Internal APIs
[10/14] Compiling ContrastKit Color+Traits.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/ContrastKit/Internal/Color+Helpers.swift:7:8: error: no such module 'SwiftUI'
  5 | //
  6 |
  7 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  8 |
  9 | // MARK: - Internal APIs
[11/14] Compiling ContrastKit AgnosticColor.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/ContrastKit/Internal/Color+Helpers.swift:7:8: error: no such module 'SwiftUI'
  5 | //
  6 |
  7 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  8 |
  9 | // MARK: - Internal APIs
[12/14] Compiling ContrastKit Color+Convenience.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/ContrastKit/Internal/Color+Helpers.swift:7:8: error: no such module 'SwiftUI'
  5 | //
  6 |
  7 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  8 |
  9 | // MARK: - Internal APIs
[13/14] Compiling ContrastKit Color+Helpers.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/ContrastKit/Internal/Color+Helpers.swift:7:8: error: no such module 'SwiftUI'
  5 | //
  6 |
  7 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  8 |
  9 | // MARK: - Internal APIs
[14/14] Compiling ContrastKit UIColor+Ext.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/ContrastKit/Internal/Color+Helpers.swift:7:8: error: no such module 'SwiftUI'
  5 | //
  6 |
  7 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  8 |
  9 | // MARK: - Internal APIs
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344847-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 2>&1
android-6.1-latest: Pulling from saguaro1/spi-images
Digest: sha256:0cd0efb458d677a6de9b5e028d30e2aa1d1b247c2277202ba317a28ce9e867e0
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:android-6.1-latest
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/12] Compiling ContrastKit AgnosticColor.swift
/host/spi-builder-workspace/Sources/ContrastKit/Internal/Color+Helpers.swift:7:8: error: no such module 'SwiftUI'
  5 | //
  6 |
  7 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  8 |
  9 | // MARK: - Internal APIs
[3/12] Compiling ContrastKit Color+Convenience.swift
/host/spi-builder-workspace/Sources/ContrastKit/Internal/Color+Helpers.swift:7:8: error: no such module 'SwiftUI'
  5 | //
  6 |
  7 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  8 |
  9 | // MARK: - Internal APIs
[4/12] Compiling ContrastKit Example+SwiftUI.swift
/host/spi-builder-workspace/Sources/ContrastKit/Internal/Color+Helpers.swift:7:8: error: no such module 'SwiftUI'
  5 | //
  6 |
  7 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  8 |
  9 | // MARK: - Internal APIs
[5/12] Compiling ContrastKit Color+Helpers.swift
/host/spi-builder-workspace/Sources/ContrastKit/Internal/Color+Helpers.swift:7:8: error: no such module 'SwiftUI'
  5 | //
  6 |
  7 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  8 |
  9 | // MARK: - Internal APIs
[6/12] Compiling ContrastKit UIColor+Ext.swift
/host/spi-builder-workspace/Sources/ContrastKit/Internal/Color+Helpers.swift:7:8: error: no such module 'SwiftUI'
  5 | //
  6 |
  7 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  8 |
  9 | // MARK: - Internal APIs
[7/13] Compiling ContrastKit ContrastLevel.swift
/host/spi-builder-workspace/Sources/ContrastKit/Internal/Color+Helpers.swift:7:8: error: no such module 'SwiftUI'
  5 | //
  6 |
  7 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  8 |
  9 | // MARK: - Internal APIs
error: emit-module command failed with exit code 1 (use -v to see invocation)
[8/13] Emitting module ContrastKit
/host/spi-builder-workspace/Sources/ContrastKit/Internal/Color+Helpers.swift:7:8: error: no such module 'SwiftUI'
  5 | //
  6 |
  7 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  8 |
  9 | // MARK: - Internal APIs
[9/13] Compiling ContrastKit ColorLevel.swift
/host/spi-builder-workspace/Sources/ContrastKit/Internal/Color+Helpers.swift:7:8: error: no such module 'SwiftUI'
  5 | //
  6 |
  7 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  8 |
  9 | // MARK: - Internal APIs
[10/13] Compiling ContrastKit ColorLevelStyle.swift
/host/spi-builder-workspace/Sources/ContrastKit/Internal/Color+Helpers.swift:7:8: error: no such module 'SwiftUI'
  5 | //
  6 |
  7 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  8 |
  9 | // MARK: - Internal APIs
[11/13] Compiling ContrastKit Color+Ext.swift
/host/spi-builder-workspace/Sources/ContrastKit/Internal/Color+Helpers.swift:7:8: error: no such module 'SwiftUI'
  5 | //
  6 |
  7 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  8 |
  9 | // MARK: - Internal APIs
[12/13] Compiling ContrastKit Color+Traits.swift
/host/spi-builder-workspace/Sources/ContrastKit/Internal/Color+Helpers.swift:7:8: error: no such module 'SwiftUI'
  5 | //
  6 |
  7 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  8 |
  9 | // MARK: - Internal APIs
[13/13] Compiling ContrastKit PreviewTesting.swift
/host/spi-builder-workspace/Sources/ContrastKit/Internal/Color+Helpers.swift:7:8: error: no such module 'SwiftUI'
  5 | //
  6 |
  7 | import SwiftUI
    |        `- error: no such module 'SwiftUI'
  8 |
  9 | // MARK: - Internal APIs
BUILD FAILURE 6.1 android