Swift Package Index

Build Information

Failed to build NotificationTask, reference 0.1.2 (638c59), with Swift 6.4 for Android on 22 Sep 2026 05:12:49 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-53886769-0":/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-6.4-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/samsonjs/NotificationTask.git
Reference: 0.1.2
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/samsonjs/NotificationTask
 * tag               0.1.2      -> FETCH_HEAD
HEAD is now at 638c594 Add Hashable conformance
Cloned https://github.com/samsonjs/NotificationTask.git
Revision (git rev-parse @):
638c5942c06a66a69ab44ca5ab4e2bd77e5a2297
SUCCESS checkout https://github.com/samsonjs/NotificationTask.git at 0.1.2
========================================
Build
========================================
Selected platform:         android
Swift version:             6.4
Building package at path:  $PWD
https://github.com/samsonjs/NotificationTask.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886769-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:android-6.4-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1
android-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:abadcff584c273feba50641b454858d377ba30b35ea7287a94f45ebd8afd0ea0
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:android-6.4-latest
Building for debugging...
[Planning deferred tasks]
[21 / 29] NotificationTask
/host/spi-builder-workspace/Sources/NotificationTask/NotificationTask.swift:3:49: warning: 'Notification' was declared with an unavailable 'Sendable' conformance in 'Foundation'; conforming here risks data races [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/unavailable-sendable-conformance\UnavailableSendableConformance]8;;\]
 1 | public import Foundation
 2 |
 3 | extension Notification: @unchecked @retroactive Sendable {}
   |                                                 `- warning: 'Notification' was declared with an unavailable 'Sendable' conformance in 'Foundation'; conforming here risks data races [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/unavailable-sendable-conformance\UnavailableSendableConformance]8;;\]
 4 |
 5 | /// Manages a task that observes notifications. The tasks's lifetime is tied to the lifetime of the `NotificationTask` instance, so you
Foundation.Notification:2:11: note: 'Notification' declares unavailable conformance to protocol 'Sendable' here
1 | @available(*, unavailable)
2 | extension Notification : @unchecked Sendable {
  |           `- note: 'Notification' declares unavailable conformance to protocol 'Sendable' here
3 | }
[#UnavailableSendableConformance]: <https://docs.swift.org/compiler/documentation/diagnostics/unavailable-sendable-conformance>
error: SwiftCompile normal aarch64 /host/spi-builder-workspace/Sources/NotificationTask/NotificationTask.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile NotificationTask.swift
/host/spi-builder-workspace/Sources/NotificationTask/NotificationTask.swift:3:49: warning: 'Notification' was declared with an unavailable 'Sendable' conformance in 'Foundation'; conforming here risks data races [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/unavailable-sendable-conformance\UnavailableSendableConformance]8;;\]
 1 | public import Foundation
 2 |
 3 | extension Notification: @unchecked @retroactive Sendable {}
   |                                                 `- warning: 'Notification' was declared with an unavailable 'Sendable' conformance in 'Foundation'; conforming here risks data races [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/unavailable-sendable-conformance\UnavailableSendableConformance]8;;\]
 4 |
 5 | /// Manages a task that observes notifications. The tasks's lifetime is tied to the lifetime of the `NotificationTask` instance, so you
Foundation.Notification:2:11: note: 'Notification' declares unavailable conformance to protocol 'Sendable' here
1 | @available(*, unavailable)
2 | extension Notification : @unchecked Sendable {
  |           `- note: 'Notification' declares unavailable conformance to protocol 'Sendable' here
3 | }
/host/spi-builder-workspace/Sources/NotificationTask/NotificationTask.swift:30:46: error: value of type 'NotificationCenter' has no member 'notifications'
28 |     ) {
29 |         self.task = Task {
30 |             for await notification in center.notifications(named: name) {
   |                                              `- error: value of type 'NotificationCenter' has no member 'notifications'
31 |                 await block(notification)
32 |             }
/host/spi-builder-workspace/Sources/NotificationTask/NotificationTask.swift:44:46: error: value of type 'NotificationCenter' has no member 'notifications'
42 |     ) {
43 |         self.task = Task { [weak context] in
44 |             for await notification in center.notifications(named: name) {
   |                                              `- error: value of type 'NotificationCenter' has no member 'notifications'
45 |                 guard let context else { break }
46 |                 await block(context, notification)
[#UnavailableSendableConformance]: <https://docs.swift.org/compiler/documentation/diagnostics/unavailable-sendable-conformance>
Failed frontend command:
/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/bin/swift-frontend -frontend -c -primary-file /host/spi-builder-workspace/Sources/NotificationTask/NotificationTask.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/NotificationTask.build/Debug-android-aarch64/NotificationTask-t.build/Objects-normal/aarch64/NotificationTask.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/NotificationTask.build/Debug-android-aarch64/NotificationTask-t.build/Objects-normal/aarch64/NotificationTask.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/NotificationTask.build/Debug-android-aarch64/NotificationTask-t.build/Objects-normal/aarch64/NotificationTask.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/NotificationTask.build/Debug-android-aarch64/NotificationTask-t.build/Objects-normal/aarch64/NotificationTask.dia -target aarch64-unknown-linux-android28 -Xllvm -aarch64-use-tbi -disable-objc-interop -sdk /android-ndk/android-ndk-r27d/toolchains/llvm/prebuilt/linux-x86_64/sysroot -sysroot /android-ndk/android-ndk-r27d/toolchains/llvm/prebuilt/linux-x86_64/sysroot -I /host/spi-builder-workspace/.build/out/Products/Debug-android-aarch64 -module-cache-path /host/spi-builder-workspace/.build/out/ModuleCache.noindex -color-diagnostics -Xcc -fcolor-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 6 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -external-plugin-path /root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/lib/swift/host/plugins/testing\#/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/bin/swift-plugin-server -validate-clang-modules-once -clang-build-session-file /host/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /host -resource-dir /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_android.artifactbundle/swift-android/swift-resources/usr/lib/swift-aarch64 -enable-anonymous-context-mangled-names -file-compilation-dir /host -Xcc -resource-dir -Xcc /android-ndk/android-ndk-r27d/toolchains/llvm/prebuilt/linux-x86_64/lib/clang/18 -Xcc -fno-omit-frame-pointer -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-android-aarch64/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/NotificationTask.build/Debug-android-aarch64/NotificationTask-t.build/DerivedSources-normal/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/NotificationTask.build/Debug-android-aarch64/NotificationTask-t.build/DerivedSources/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/NotificationTask.build/Debug-android-aarch64/NotificationTask-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name NotificationTask -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/NotificationTask.build/Debug-android-aarch64/NotificationTask-t.build/Objects-normal/aarch64/NotificationTask_const_extract_protocols.json -in-process-plugin-server-path /root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/lib/swift/host/libSwiftInProcPluginServer.so -plugin-path /root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/lib/swift/host/plugins -plugin-path /root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/local/lib/swift/host/plugins -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/NotificationTask.build/Debug-android-aarch64/NotificationTask-t.build/Objects-normal/aarch64/NotificationTask.o -index-unit-output-path /NotificationTask.build/Debug-android-aarch64/NotificationTask-t.build/Objects-normal/aarch64/NotificationTask.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 android