Swift Package IndexBuild Information
Failed to build Signaling, reference main (687d3c), with Swift 6.1 for Android on 21 Jan 2026 12:55:43 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/josshad/Signaling.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/josshad/Signaling
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 687d3cb Signaling
Cloned https://github.com/josshad/Signaling.git
Revision (git rev-parse @):
687d3cb9ddf87355337e6e5ab71f21a557ff66cf
SUCCESS checkout https://github.com/josshad/Signaling.git at main
========================================
Build
========================================
Selected platform: android
Swift version: 6.1
Building package at path: $PWD
https://github.com/josshad/Signaling.git
https://github.com/josshad/Signaling.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
"dependencies" : [
{
"identity" : "rxswift",
"requirement" : {
"range" : [
{
"lower_bound" : "6.0.0",
"upper_bound" : "7.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/ReactiveX/RxSwift.git"
},
{
"identity" : "combine-schedulers",
"requirement" : {
"range" : [
{
"lower_bound" : "1.0.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/pointfreeco/combine-schedulers"
}
],
"manifest_display_name" : "Signaling",
"name" : "Signaling",
"path" : "/host/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "11.0"
},
{
"name" : "ios",
"version" : "13.0"
}
],
"products" : [
{
"name" : "CombineSignaling",
"targets" : [
"CombineSignaling"
],
"type" : {
"library" : [
"automatic"
]
}
},
{
"name" : "RxSignaing",
"targets" : [
"RxSignaing"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "RxSignaingTests",
"module_type" : "SwiftTarget",
"name" : "RxSignaingTests",
"path" : "Tests/RxSignaingTests",
"product_dependencies" : [
"RxSwift"
],
"sources" : [
"RxSignaingTests.swift"
],
"target_dependencies" : [
"RxSignaing"
],
"type" : "test"
},
{
"c99name" : "RxSignaing",
"module_type" : "SwiftTarget",
"name" : "RxSignaing",
"path" : "Sources/RxSignaing",
"product_dependencies" : [
"RxSwift",
"RxCocoa"
],
"product_memberships" : [
"RxSignaing"
],
"sources" : [
"Signaing.swift"
],
"type" : "library"
},
{
"c99name" : "CombineSignalingTests",
"module_type" : "SwiftTarget",
"name" : "CombineSignalingTests",
"path" : "Tests/CombineSignalingTests",
"product_dependencies" : [
"CombineSchedulers"
],
"sources" : [
"CombineSignalingTests.swift",
"SignalTests.swift"
],
"target_dependencies" : [
"CombineSignaling"
],
"type" : "test"
},
{
"c99name" : "CombineSignaling",
"module_type" : "SwiftTarget",
"name" : "CombineSignaling",
"path" : "Sources/CombineSignaling",
"product_memberships" : [
"CombineSignaling"
],
"sources" : [
"Signal.swift",
"Signaling.swift"
],
"type" : "library"
}
],
"tools_version" : "6.1"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/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 finestructure/spi-images
Digest: sha256:59d1b5e7d2f3065c4a6b5e045771922b1e51742b0d69504dc6de4bec6728e3a4
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:android-6.1-latest
Fetching https://github.com/pointfreeco/combine-schedulers
Fetching https://github.com/ReactiveX/RxSwift.git
[1/2542] Fetching combine-schedulers
Fetched https://github.com/pointfreeco/combine-schedulers from cache (0.33s)
[1/53779] Fetching rxswift
Fetched https://github.com/ReactiveX/RxSwift.git from cache (7.16s)
Computing version for https://github.com/pointfreeco/combine-schedulers
Computed https://github.com/pointfreeco/combine-schedulers at 1.1.0 (7.96s)
Fetching https://github.com/pointfreeco/xctest-dynamic-overlay
Fetching https://github.com/OpenCombine/OpenCombine.git
Fetching https://github.com/pointfreeco/swift-concurrency-extras
[1/886] Fetching swift-concurrency-extras
[887/6493] Fetching swift-concurrency-extras, xctest-dynamic-overlay
[1280/14777] Fetching swift-concurrency-extras, xctest-dynamic-overlay, opencombine
Fetched https://github.com/OpenCombine/OpenCombine.git from cache (0.80s)
Fetched https://github.com/pointfreeco/swift-concurrency-extras from cache (0.80s)
Fetched https://github.com/pointfreeco/xctest-dynamic-overlay from cache (0.99s)
Computing version for https://github.com/OpenCombine/OpenCombine.git
Computed https://github.com/OpenCombine/OpenCombine.git at 0.14.0 (3.66s)
Computing version for https://github.com/pointfreeco/swift-concurrency-extras
Computed https://github.com/pointfreeco/swift-concurrency-extras at 1.3.2 (0.76s)
Computing version for https://github.com/ReactiveX/RxSwift.git
Computed https://github.com/ReactiveX/RxSwift.git at 6.9.1 (0.62s)
Computing version for https://github.com/pointfreeco/xctest-dynamic-overlay
Computed https://github.com/pointfreeco/xctest-dynamic-overlay at 1.8.1 (0.62s)
Creating working copy for https://github.com/pointfreeco/swift-concurrency-extras
Working copy of https://github.com/pointfreeco/swift-concurrency-extras resolved at 1.3.2
Creating working copy for https://github.com/OpenCombine/OpenCombine.git
Working copy of https://github.com/OpenCombine/OpenCombine.git resolved at 0.14.0
Creating working copy for https://github.com/ReactiveX/RxSwift.git
Working copy of https://github.com/ReactiveX/RxSwift.git resolved at 6.9.1
Creating working copy for https://github.com/pointfreeco/xctest-dynamic-overlay
Working copy of https://github.com/pointfreeco/xctest-dynamic-overlay resolved at 1.8.1
Creating working copy for https://github.com/pointfreeco/combine-schedulers
Working copy of https://github.com/pointfreeco/combine-schedulers resolved at 1.1.0
Building for debugging...
[0/9] Write sources
[0/9] Copying PrivacyInfo.xcprivacy
[2/9] Write sources
[3/9] Copying PrivacyInfo.xcprivacy
[3/9] Write sources
[4/9] Copying PrivacyInfo.xcprivacy
[4/9] Write sources
[8/9] Write swift-version-24593BA9C3E375BF.txt
[10/156] Compiling CombineSignaling Signaling.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/CombineSignaling/Signal.swift:2:8: error: no such module 'Combine'
1 | import Foundation
2 | import Combine
| `- error: no such module 'Combine'
3 |
4 | public struct Signal<Output> {
[11/156] Compiling RxSwift SchedulerType.swift
[12/156] Compiling RxSwift Sequence.swift
[13/156] Compiling RxSwift SerialDispatchQueueScheduler.swift
[14/156] Compiling RxSwift SerialDisposable.swift
[15/156] Compiling RxSwift ShareReplayScope.swift
[16/156] Compiling RxSwift Single.swift
[17/156] Compiling RxSwift SingleAssignmentDisposable.swift
[18/156] Compiling RxSwift SingleAsync.swift
[19/156] Compiling RxSwift Sink.swift
[20/156] Compiling RxSwift Skip.swift
[21/156] Compiling RxSwift SkipUntil.swift
[22/156] Compiling RxSwift SkipWhile.swift
[23/156] Compiling RxSwift StartWith.swift
[24/156] Compiling RxSwift SubjectType.swift
[25/156] Compiling RxSwift SubscribeOn.swift
[26/156] Compiling RxSwift SubscriptionDisposable.swift
[27/156] Compiling RxSwift SwiftSupport.swift
[28/156] Compiling RxSwift Switch.swift
[29/156] Compiling RxSwift SwitchIfEmpty.swift
[30/156] Compiling RxSwift SynchronizedDisposeType.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[31/171] Emitting module CombineSignaling
<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/CombineSignaling/Signal.swift:2:8: error: no such module 'Combine'
1 | import Foundation
2 | import Combine
| `- error: no such module 'Combine'
3 |
4 | public struct Signal<Output> {
[32/171] Compiling CombineSignaling Signal.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/CombineSignaling/Signal.swift:2:8: error: no such module 'Combine'
1 | import Foundation
2 | import Combine
| `- error: no such module 'Combine'
3 |
4 | public struct Signal<Output> {
[33/176] Compiling RxSwift Infallible+CombineLatest+Collection.swift
[34/176] Compiling RxSwift Infallible+CombineLatest+arity.swift
[35/176] Compiling RxSwift Infallible+Concurrency.swift
[36/176] Compiling RxSwift Infallible+Create.swift
[37/176] Compiling RxSwift Infallible+Debug.swift
[38/176] Compiling RxSwift Infallible+Operators.swift
[39/176] Compiling RxSwift Infallible+Zip+arity.swift
[40/176] Compiling RxSwift Infallible.swift
[41/176] Compiling RxSwift InfiniteSequence.swift
[42/176] Compiling RxSwift InvocableScheduledItem.swift
[43/176] Compiling RxSwift InvocableType.swift
[44/176] Compiling RxSwift Just.swift
[45/176] Compiling RxSwift Lock.swift
[46/176] Compiling RxSwift LockOwnerType.swift
[47/176] Compiling RxSwift MainScheduler.swift
[48/176] Compiling RxSwift Map.swift
[49/176] Compiling RxSwift Materialize.swift
[50/176] Compiling RxSwift Maybe.swift
[51/176] Compiling RxSwift Merge.swift
[52/176] Compiling RxSwift Multicast.swift
[53/176] Compiling RxSwift DispatchQueueConfiguration.swift
[54/176] Compiling RxSwift Disposable.swift
[55/176] Compiling RxSwift Disposables.swift
[56/176] Compiling RxSwift DisposeBag.swift
[57/176] Compiling RxSwift DisposeBase.swift
[58/176] Compiling RxSwift DistinctUntilChanged.swift
[59/176] Compiling RxSwift Do.swift
[60/176] Compiling RxSwift ElementAt.swift
[61/176] Compiling RxSwift Empty.swift
[62/176] Compiling RxSwift Enumerated.swift
[63/176] Compiling RxSwift Error.swift
[64/176] Compiling RxSwift Errors.swift
[65/176] Compiling RxSwift Event.swift
[66/176] Compiling RxSwift Filter.swift
[67/176] Compiling RxSwift First.swift
[68/176] Compiling RxSwift Generate.swift
[69/176] Compiling RxSwift GroupBy.swift
[70/176] Compiling RxSwift GroupedObservable.swift
[71/176] Compiling RxSwift HistoricalScheduler.swift
[72/176] Compiling RxSwift HistoricalSchedulerTimeConverter.swift
[73/176] Compiling RxSwift ImmediateSchedulerType.swift
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 2>&1
android-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:59d1b5e7d2f3065c4a6b5e045771922b1e51742b0d69504dc6de4bec6728e3a4
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:android-6.1-latest
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[2/148] Compiling CombineSignaling Signaling.swift
/host/spi-builder-workspace/Sources/CombineSignaling/Signal.swift:2:8: error: no such module 'Combine'
1 | import Foundation
2 | import Combine
| `- error: no such module 'Combine'
3 |
4 | public struct Signal<Output> {
[3/148] Compiling CombineSignaling Signal.swift
/host/spi-builder-workspace/Sources/CombineSignaling/Signal.swift:2:8: error: no such module 'Combine'
1 | import Foundation
2 | import Combine
| `- error: no such module 'Combine'
3 |
4 | public struct Signal<Output> {
[4/148] Emitting module CombineSignaling
/host/spi-builder-workspace/Sources/CombineSignaling/Signal.swift:2:8: error: no such module 'Combine'
1 | import Foundation
2 | import Combine
| `- error: no such module 'Combine'
3 |
4 | public struct Signal<Output> {
BUILD FAILURE 6.1 android