Swift Package Index

Build Information

Failed to build CSProgress, reference 1.1.2 (7d49a5), with Swift 6.4 for Android on 18 Sep 2026 23:32:47 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344844-0":/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/CharlesJS/CSProgress.git
Reference: 1.1.2
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/CharlesJS/CSProgress
 * tag               1.1.2      -> FETCH_HEAD
HEAD is now at 7d49a5a Make sure completion notification is fired when `isComplete` becomes true
Cloned https://github.com/CharlesJS/CSProgress.git
Revision (git rev-parse @):
7d49a5a05e8421db18db4bfb7f6fe4ff6853b4b3
SUCCESS checkout https://github.com/CharlesJS/CSProgress.git at 1.1.2
========================================
Build
========================================
Selected platform:         android
Swift version:             6.4
Building package at path:  $PWD
https://github.com/CharlesJS/CSProgress.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344844-0":/host -w "$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]
error: SwiftCompile normal aarch64 failed with a nonzero exit code. Command line:     cd /host

/host/spi-builder-workspace/Sources/CSProgress/CSProgress.swift:1102:39: error: cannot find type 'NSKeyValueObservation' in scope
1100 |         }
1101 |
1102 |         private var kvoObservations: [NSKeyValueObservation] = []
     |                                       `- error: cannot find type 'NSKeyValueObservation' in scope
1103 |
1104 |         private func startWatching() {
/host/spi-builder-workspace/Sources/CSProgress/CSProgress.swift:1261:22: error: overriding non-open property outside of its defining module
1259 |         }
1260 |
1261 |         override var fractionCompleted: Double { return self.progress?.fractionCompleted ?? 0.0 }
     |                      `- error: overriding non-open property outside of its defining module
1262 |
1263 |         override var localizedDescription: String! {
/host/spi-builder-workspace/Sources/CSProgress/CSProgress.swift:1263:22: error: cannot observe read-only property 'localizedDescription'; it can't change
1261 |         override var fractionCompleted: Double { return self.progress?.fractionCompleted ?? 0.0 }
1262 |
1263 |         override var localizedDescription: String! {
     |                      `- error: cannot observe read-only property 'localizedDescription'; it can't change
1264 |             didSet { self.progress?.localizedDescription = self.localizedDescription }
1265 |         }
Foundation.Progress.localizedDescription:2:10: note: attempt to override property here
1 | class Progress {
2 | open var localizedDescription: String! { get }}
  |          `- note: attempt to override property here
3 |
/host/spi-builder-workspace/Sources/CSProgress/CSProgress.swift:1264:65: error: ambiguous use of 'localizedDescription'
1261 |         override var fractionCompleted: Double { return self.progress?.fractionCompleted ?? 0.0 }
1262 |
1263 |         override var localizedDescription: String! {
     |                      `- note: found this candidate 
1264 |             didSet { self.progress?.localizedDescription = self.localizedDescription }
     |                                                                 `- error: ambiguous use of 'localizedDescription'
1265 |         }
1266 |
Foundation.Progress.localizedDescription:2:10: note: found this candidate in module 'Foundation'
1 | class Progress {
2 | open var localizedDescription: String! { get }}
  |          `- note: found this candidate in module 'Foundation'
3 |
/host/spi-builder-workspace/Sources/CSProgress/CSProgress.swift:1267:22: error: cannot observe read-only property 'localizedAdditionalDescription'; it can't change
1265 |         }
1266 |
1267 |         override var localizedAdditionalDescription: String! {
     |                      `- error: cannot observe read-only property 'localizedAdditionalDescription'; it can't change
1268 |             didSet { self.progress?.localizedAdditionalDescription = self.localizedAdditionalDescription }
1269 |         }
Foundation.Progress.localizedAdditionalDescription:2:10: note: attempt to override property here
1 | class Progress {
2 | open var localizedAdditionalDescription: String! { get }}
  |          `- note: attempt to override property here
3 |
/host/spi-builder-workspace/Sources/CSProgress/CSProgress.swift:1268:75: error: ambiguous use of 'localizedAdditionalDescription'
1265 |         }
1266 |
1267 |         override var localizedAdditionalDescription: String! {
     |                      `- note: found this candidate 
1268 |             didSet { self.progress?.localizedAdditionalDescription = self.localizedAdditionalDescription }
     |                                                                           `- error: ambiguous use of 'localizedAdditionalDescription'
1269 |         }
1270 |     }
Foundation.Progress.localizedAdditionalDescription:2:10: note: found this candidate in module 'Foundation'
1 | class Progress {
2 | open var localizedAdditionalDescription: String! { get }}
  |          `- note: found this candidate in module 'Foundation'
3 |
/host/spi-builder-workspace/Sources/CSProgress/CSProgress.swift:1211:25: warning: class 'BridgedNSProgress' must restate inherited '@unchecked Sendable' conformance
1209 |
1210 |     // An NSProgress subclass that wraps a CSProgress.
1211 |     private final class BridgedNSProgress: Foundation.Progress {
     |                         `- warning: class 'BridgedNSProgress' must restate inherited '@unchecked Sendable' conformance
1212 |         private(set) weak var progress: CSProgress?
1213 |
Failed frontend command:
/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/Sources/CSProgress/CSProgress.swift -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 5 -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/CSProgress.build/Debug-android-aarch64/CSProgress-t.build/DerivedSources-normal/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/CSProgress.build/Debug-android-aarch64/CSProgress-t.build/DerivedSources/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/CSProgress.build/Debug-android-aarch64/CSProgress-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name CSProgress -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/CSProgress.build/Debug-android-aarch64/CSProgress-t.build/Objects-normal/aarch64/CSProgress_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 -emit-module-doc-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/CSProgress.build/Debug-android-aarch64/CSProgress-t.build/Objects-normal/aarch64/Modules/CSProgress.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/CSProgress.build/Debug-android-aarch64/CSProgress-t.build/Objects-normal/aarch64/Modules/CSProgress.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/CSProgress.build/Debug-android-aarch64/CSProgress-t.build/Objects-normal/aarch64/CSProgress-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/CSProgress.build/Debug-android-aarch64/CSProgress-t.build/Objects-normal/aarch64/CSProgress-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/CSProgress.build/Debug-android-aarch64/CSProgress-t.build/Objects-normal/aarch64/CSProgress-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/CSProgress.build/Debug-android-aarch64/CSProgress-t.build/Objects-normal/aarch64/Modules/CSProgress.swiftmodule
error: Build failed
BUILD FAILURE 6.4 android