Swift Package Index

Build Information

Failed to build BlackBox, reference main (5c375c), with Swift 6.1 for Android on 27 Apr 2026 23:12:49 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:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/dodobrands/BlackBox.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/dodobrands/BlackBox
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 5c375cd Bump github.com/apple/swift-docc-plugin from 1.4.6 to 1.5.0 (#96)
Cloned https://github.com/dodobrands/BlackBox.git
Revision (git rev-parse @):
5c375cdc8113f4ca6e82644415375abfd550b0f9
SUCCESS checkout https://github.com/dodobrands/BlackBox.git at main
========================================
Build
========================================
Selected platform:         android
Swift version:             6.1
Building package at path:  $PWD
https://github.com/dodobrands/BlackBox.git
https://github.com/dodobrands/BlackBox.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images: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 swiftpackageindex/spi-images
Digest: sha256:d37fe7b8fba27dae59fb1d9d7dfa86b38b41ffb3975924aad6f05cb4cc3de131
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:android-6.1-latest
Fetching https://github.com/apple/swift-docc-plugin
Fetching https://github.com/dodobrands/DBThreadSafe-ios.git
[1/274] Fetching dbthreadsafe-ios
[275/2561] Fetching dbthreadsafe-ios, swift-docc-plugin
Fetched https://github.com/dodobrands/DBThreadSafe-ios.git from cache (0.41s)
Fetched https://github.com/apple/swift-docc-plugin from cache (0.42s)
Computing version for https://github.com/dodobrands/DBThreadSafe-ios.git
Computed https://github.com/dodobrands/DBThreadSafe-ios.git at 2.3.0 (1.04s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.5.0 (2.39s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3677] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (0.42s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (1.15s)
Creating working copy for https://github.com/apple/swift-docc-plugin
Working copy of https://github.com/apple/swift-docc-plugin resolved at 1.5.0
Creating working copy for https://github.com/dodobrands/DBThreadSafe-ios.git
Working copy of https://github.com/dodobrands/DBThreadSafe-ios.git resolved at 2.3.0
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
[1/1] Compiling plugin Swift-DocC Preview
[2/2] Compiling plugin Swift-DocC
Building for debugging...
[2/6] Write sources
[5/6] Write swift-version-24593BA9C3E375BF.txt
[7/10] Compiling DBThreadSafe ThreadSafe.swift
[8/10] Compiling DBThreadSafe Lock.swift
[9/10] Emitting module DBThreadSafe
[10/10] Compiling DBThreadSafe DBThreadSafeContainer.swift
[12/20] Compiling BlackBox OSLogger.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/BlackBox/Loggers/OSLogger.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | /// Redirects logs to Console.app and to Xcode console
[13/21] Compiling BlackBox FSLogger.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/BlackBox/Loggers/OSLogger.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | /// Redirects logs to Console.app and to Xcode console
[14/21] Compiling BlackBox BBHelpers.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/BlackBox/Loggers/OSLogger.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | /// Redirects logs to Console.app and to Xcode console
error: emit-module command failed with exit code 1 (use -v to see invocation)
[15/21] Emitting module BlackBox
<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/BlackBox/Loggers/OSLogger.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | /// Redirects logs to Console.app and to Xcode console
[16/21] Compiling BlackBox BlackBoxEvents.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/BlackBox/Loggers/OSLogger.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | /// Redirects logs to Console.app and to Xcode console
[17/21] Compiling BlackBox BlackBox.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/BlackBox/Loggers/OSLogger.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | /// Redirects logs to Console.app and to Xcode console
[18/21] Compiling BlackBox BBLoggerProtocol.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/BlackBox/Loggers/OSLogger.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | /// Redirects logs to Console.app and to Xcode console
[19/21] Compiling BlackBox BBLogFormat.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/BlackBox/Loggers/OSLogger.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | /// Redirects logs to Console.app and to Xcode console
[20/21] Compiling BlackBox BBLogLevel.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/BlackBox/Loggers/OSLogger.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | /// Redirects logs to Console.app and to Xcode console
[21/21] Compiling BlackBox OSSignpostLogger.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/BlackBox/Loggers/OSLogger.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | /// Redirects logs to Console.app and to Xcode console
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:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 2>&1
android-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:d37fe7b8fba27dae59fb1d9d7dfa86b38b41ffb3975924aad6f05cb4cc3de131
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:android-6.1-latest
[0/1] Planning build
[1/1] Compiling plugin Swift-DocC Preview
[2/2] Compiling plugin Swift-DocC
Building for debugging...
[2/3] Write swift-version-24593BA9C3E375BF.txt
[4/7] Compiling DBThreadSafe ThreadSafe.swift
[5/7] Compiling DBThreadSafe Lock.swift
[6/7] Compiling DBThreadSafe DBThreadSafeContainer.swift
[7/7] Emitting module DBThreadSafe
[9/17] Compiling BlackBox OSLogger.swift
/host/spi-builder-workspace/Sources/BlackBox/Loggers/OSLogger.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | /// Redirects logs to Console.app and to Xcode console
error: emit-module command failed with exit code 1 (use -v to see invocation)
[10/18] Emitting module BlackBox
/host/spi-builder-workspace/Sources/BlackBox/Loggers/OSLogger.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | /// Redirects logs to Console.app and to Xcode console
[11/18] Compiling BlackBox BBLoggerProtocol.swift
/host/spi-builder-workspace/Sources/BlackBox/Loggers/OSLogger.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | /// Redirects logs to Console.app and to Xcode console
[12/18] Compiling BlackBox BlackBoxEvents.swift
/host/spi-builder-workspace/Sources/BlackBox/Loggers/OSLogger.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | /// Redirects logs to Console.app and to Xcode console
[13/18] Compiling BlackBox BlackBox.swift
/host/spi-builder-workspace/Sources/BlackBox/Loggers/OSLogger.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | /// Redirects logs to Console.app and to Xcode console
[14/18] Compiling BlackBox BBLogFormat.swift
/host/spi-builder-workspace/Sources/BlackBox/Loggers/OSLogger.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | /// Redirects logs to Console.app and to Xcode console
[15/18] Compiling BlackBox BBLogLevel.swift
/host/spi-builder-workspace/Sources/BlackBox/Loggers/OSLogger.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | /// Redirects logs to Console.app and to Xcode console
[16/18] Compiling BlackBox FSLogger.swift
/host/spi-builder-workspace/Sources/BlackBox/Loggers/OSLogger.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | /// Redirects logs to Console.app and to Xcode console
[17/18] Compiling BlackBox BBHelpers.swift
/host/spi-builder-workspace/Sources/BlackBox/Loggers/OSLogger.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | /// Redirects logs to Console.app and to Xcode console
[18/18] Compiling BlackBox OSSignpostLogger.swift
/host/spi-builder-workspace/Sources/BlackBox/Loggers/OSLogger.swift:2:8: error: no such module 'os'
  1 | import Foundation
  2 | import os
    |        `- error: no such module 'os'
  3 |
  4 | /// Redirects logs to Console.app and to Xcode console
BUILD FAILURE 6.1 android