Kronos – Build Information – Swift Package Index

Build Information

Failed to build Kronos, reference main (543cae), with Swift 6.4 for Android on 20 Sep 2026 19:15:59 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/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/MobileNativeFoundation/Kronos.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/MobileNativeFoundation/Kronos
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 543cae0 Fix Package.swift typo (#120)
Cloned https://github.com/MobileNativeFoundation/Kronos.git
Revision (git rev-parse @):
543cae037bfc13a7d722e233a92a212b42d9e750
SUCCESS checkout https://github.com/MobileNativeFoundation/Kronos.git at main
========================================
Build
========================================
Selected platform:         android
Swift version:             6.4
Building package at path:  $PWD
https://github.com/MobileNativeFoundation/Kronos.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/host -w "$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/DNSResolver.swift:3:53: [1;31merror: [1;39mcannot find 'CFAllocatorCopyDescriptionCallBack' in scope[0;0m
 [0;36m1 |[0;0m import Foundation
 [0;36m2 |[0;0m
 [0;36m3 |[0;0m private let kCopyNoOperation = unsafeBitCast(0, to: [4;39mCFAllocatorCopyDescriptionCallBack[0;0m.self)
   [0;36m|[0;0m                                                     `- [1;31merror: [1;39mcannot find 'CFAllocatorCopyDescriptionCallBack' in scope[0;0m
 [0;36m4 |[0;0m private let kDefaultTimeout = 8.0
 [0;36m5 |[0;0m
/host/spi-builder-workspace/Sources/DNSResolver.swift:3:32: [1;31merror: [1;39mgeneric parameter 'U' could not be inferred[0;0m
 [0;36m1 |[0;0m import Foundation
 [0;36m2 |[0;0m
 [0;36m3 |[0;0m private let kCopyNoOperation = unsafeBitCast(0, to: CFAllocatorCopyDescriptionCallBack.self)
   [0;36m|[0;0m                                `- [1;31merror: [1;39mgeneric parameter 'U' could not be inferred[0;0m
 [0;36m4 |[0;0m private let kDefaultTimeout = 8.0
 [0;36m5 |[0;0m
Swift.unsafeBitCast:1:24: [1;39mnote: [1;39min call to function 'unsafeBitCast(_:to:)'[0;0m
[0;36m1 |[0;0m @inlinable public func unsafeBitCast<T, U>(_ x: T, to type: U.Type) -> U
  [0;36m|[0;0m                        `- [1;39mnote: [1;39min call to function 'unsafeBitCast(_:to:)'[0;0m
/host/spi-builder-workspace/Sources/DNSResolver.swift:63:6: [1;31merror: [1;39mObjective-C interoperability is disabled[0;0m
[0;36m61 |[0;0m     }
[0;36m62 |[0;0m
[0;36m63 |[0;0m     @objc
   [0;36m|[0;0m      `- [1;31merror: [1;39mObjective-C interoperability is disabled[0;0m
[0;36m64 |[0;0m     private func onTimeout() {
[0;36m65 |[0;0m         defer {
/host/spi-builder-workspace/Sources/InternetAddress.swift:8:15: [1;31merror: [1;39mcannot find type 'sockaddr_in6' in scope[0;0m
  [0;36m6 |[0;0m /// - IPv4: An Internet Address of type IPv4 (e.g.: '127.0.0.1').
  [0;36m7 |[0;0m enum InternetAddress: Hashable {
  [0;36m8 |[0;0m     case ipv6([4;39msockaddr_in6[0;0m)
    [0;36m|[0;0m               `- [1;31merror: [1;39mcannot find type 'sockaddr_in6' in scope[0;0m
  [0;36m9 |[0;0m     case ipv4(sockaddr_in)
 [0;36m10 |[0;0m
/host/spi-builder-workspace/Sources/InternetAddress.swift:9:15: [1;31merror: [1;39mcannot find type 'sockaddr_in' in scope[0;0m
  [0;36m7 |[0;0m enum InternetAddress: Hashable {
  [0;36m8 |[0;0m     case ipv6(sockaddr_in6)
  [0;36m9 |[0;0m     case ipv4([4;39msockaddr_in[0;0m)
    [0;36m|[0;0m               `- [1;31merror: [1;39mcannot find type 'sockaddr_in' in scope[0;0m
 [0;36m10 |[0;0m
 [0;36m11 |[0;0m     /// Human readable host represetnation (e.g. '192.168.1.1' or 'ab:ab:ab:ab:ab:ab:ab:ab').
/host/spi-builder-workspace/Sources/InternetAddress.swift:60:45: [1;31merror: [1;39mcannot find type 'CFData' in scope[0;0m
 [0;36m58 |[0;0m     ///
 [0;36m59 |[0;0m     /// - returns: An address struct wrapped into a CFData type.
 [0;36m60 |[0;0m     func addressData(withPort port: Int) -> [4;39mCFData[0;0m {
    [0;36m|[0;0m                                             `- [1;31merror: [1;39mcannot find type 'CFData' in scope[0;0m
 [0;36m61 |[0;0m         switch self {
 [0;36m62 |[0;0m         case .ipv6(var address):
/host/spi-builder-workspace/Sources/InternetAddress.swift:80:11: [1;31merror: [1;39mcannot find type 'sockaddr_storage' in scope[0;0m
 [0;36m78 |[0;0m // MARK: - sockaddr_storage helpers
 [0;36m79 |[0;0m
 [0;36m80 |[0;0m extension [4;39msockaddr_storage[0;0m {
    [0;36m|[0;0m           `- [1;31merror: [1;39mcannot find type 'sockaddr_storage' in scope[0;0m
 [0;36m81 |[0;0m     /// Creates a new storage value from a data type that contains the memory layout of a sockaddr_t. This
 [0;36m82 |[0;0m     /// is used to create sockaddr_storage(s) from some of the CF C functions such as `CFHostGetAddressing`.
/host/spi-builder-workspace/Sources/NSTimer+ClosureKit.swift:34:6: [1;31merror: [1;39mObjective-C interoperability is disabled[0;0m
[0;36m32 |[0;0m     // MARK: Private methods
[0;36m33 |[0;0m
[0;36m34 |[0;0m     @objc
   [0;36m|[0;0m      `- [1;31merror: [1;39mObjective-C interoperability is disabled[0;0m
[0;36m35 |[0;0m     class private func invokeFrom(timer: Timer) {
[0;36m36 |[0;0m         if let closureWrapper = timer.userInfo as? TimerClosureWrapper {
/host/spi-builder-workspace/Sources/NTPClient.swift:29:25: [1;31merror: [1;39mcannot find type 'CFTimeInterval' in scope[0;0m
 [0;36m27 |[0;0m     func query(pool: String = "time.apple.com", version: Int8 = 3, port: Int = 123,
 [0;36m28 |[0;0m                numberOfSamples: Int = kDefaultSamples, maximumServers: Int = kMaximumNTPServers,
 [0;36m29 |[0;0m                timeout: [4;39mCFTimeInterval[0;0m = kDefaultTimeout,
    [0;36m|[0;0m                         `- [1;31merror: [1;39mcannot find type 'CFTimeInterval' in scope[0;0m
 [0;36m30 |[0;0m                progress: @escaping (TimeInterval?, Int, Int) -> Void)
 [0;36m31 |[0;0m     {
/host/spi-builder-workspace/Sources/NTPClient.swift:79:25: [1;31merror: [1;39mcannot find type 'CFTimeInterval' in scope[0;0m
 [0;36m77 |[0;0m     /// - parameter completion:      A closure that will be response PDU on success or nil on error.
 [0;36m78 |[0;0m     func query(ip: InternetAddress, port: Int = 123, version: Int8 = 3,
 [0;36m79 |[0;0m                timeout: [4;39mCFTimeInterval[0;0m = kDefaultTimeout, numberOfSamples: Int = kDefaultSamples,
    [0;36m|[0;0m                         `- [1;31merror: [1;39mcannot find type 'CFTimeInterval' in scope[0;0m
 [0;36m80 |[0;0m                completion: @escaping (NTPPacket?) -> Void)
 [0;36m81 |[0;0m     {
/host/spi-builder-workspace/Sources/NTPClient.swift:148:77: [1;31merror: [1;39mcannot find type 'CFRunLoopSource' in scope[0;0m
[0;36m146 |[0;0m
[0;36m147 |[0;0m     private func sendAsyncUDPQuery(to ip: InternetAddress, port: Int, timeout: TimeInterval,
[0;36m148 |[0;0m                                    completion: UnsafeMutableRawPointer) -> ([4;39mCFRunLoopSource[0;0m, CFSocket)?
    [0;36m|[0;0m                                                                             `- [1;31merror: [1;39mcannot find type 'CFRunLoopSource' in scope[0;0m
[0;36m149 |[0;0m     {
[0;36m150 |[0;0m         signal(SIGPIPE, SIG_IGN)
/host/spi-builder-workspace/Sources/NTPClient.swift:148:94: [1;31merror: [1;39mcannot find type 'CFSocket' in scope[0;0m
[0;36m146 |[0;0m
[0;36m147 |[0;0m     private func sendAsyncUDPQuery(to ip: InternetAddress, port: Int, timeout: TimeInterval,
[0;36m148 |[0;0m                                    completion: UnsafeMutableRawPointer) -> (CFRunLoopSource, [4;39mCFSocket[0;0m)?
    [0;36m|[0;0m                                                                                              `- [1;31merror: [1;39mcannot find type 'CFSocket' in scope[0;0m
[0;36m149 |[0;0m     {
[0;36m150 |[0;0m         signal(SIGPIPE, SIG_IGN)
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/.build/out/Intermediates.noindex/Kronos.build/Debug-android-aarch64/Kronos-t.build/DerivedSources/resource_bundle_accessor.swift /host/spi-builder-workspace/Sources/Clock.swift /host/spi-builder-workspace/Sources/DNSResolver.swift /host/spi-builder-workspace/Sources/Data+Bytes.swift /host/spi-builder-workspace/Sources/InternetAddress.swift /host/spi-builder-workspace/Sources/NSTimer+ClosureKit.swift /host/spi-builder-workspace/Sources/NTPClient.swift /host/spi-builder-workspace/Sources/NTPPacket.swift /host/spi-builder-workspace/Sources/NTPProtocol.swift /host/spi-builder-workspace/Sources/TimeFreeze.swift /host/spi-builder-workspace/Sources/TimeStorage.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_AVAILABLE -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/Kronos.build/Debug-android-aarch64/Kronos-t.build/DerivedSources-normal/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Kronos.build/Debug-android-aarch64/Kronos-t.build/DerivedSources/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Kronos.build/Debug-android-aarch64/Kronos-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Kronos -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/Kronos.build/Debug-android-aarch64/Kronos-t.build/Objects-normal/aarch64/Kronos_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/Kronos.build/Debug-android-aarch64/Kronos-t.build/Objects-normal/aarch64/Modules/Kronos.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Kronos.build/Debug-android-aarch64/Kronos-t.build/Objects-normal/aarch64/Modules/Kronos.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Kronos.build/Debug-android-aarch64/Kronos-t.build/Objects-normal/aarch64/Kronos-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Kronos.build/Debug-android-aarch64/Kronos-t.build/Objects-normal/aarch64/Kronos-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Kronos.build/Debug-android-aarch64/Kronos-t.build/Objects-normal/aarch64/Kronos-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/Kronos.build/Debug-android-aarch64/Kronos-t.build/Objects-normal/aarch64/Modules/Kronos.swiftmodule
error: Build failed
BUILD FAILURE 6.4 android