CBOR – Build Information – Swift Package Index

Build Information

Failed to build CBOR, reference 0.7.0 (4da266), with Swift 6.4 for Android on 23 Sep 2026 11:44:39 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344845-1":/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/wendylabsinc/cbor.git
Reference: 0.7.0
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/wendylabsinc/cbor
 * tag               0.7.0      -> FETCH_HEAD
HEAD is now at 4da266d Update version to 0.7.0 in README
Cloned https://github.com/wendylabsinc/cbor.git
Revision (git rev-parse @):
4da266dde3f9c2b8b1839a03089f36ddb6045f5b
SUCCESS checkout https://github.com/wendylabsinc/cbor.git at 0.7.0
========================================
Build
========================================
Selected platform:         android
Swift version:             6.4
Building package at path:  $PWD
https://github.com/wendylabsinc/cbor.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344845-1":/host -w "$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...
[Pre-planning 1 / 95]
[Constructing 10 / 186]
[31 / 39] CBOR
[36 / 39] CBOR
error: SwiftCompile normal aarch64 /host/spi-builder-workspace/Sources/CBOR/CBOR.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile CBOR.swift
/host/spi-builder-workspace/Sources/CBOR/CBOR.swift:968:36: [1;31merror: [1;39mcannot find 'pow' in scope[0;0m
 [0;36m966 |[0;0m     if exponent == 0 {
 [0;36m967 |[0;0m         // Subnormal number
 [0;36m968 |[0;0m         value = Double(fraction) * [4;39mpow[0;0m(2, -24)
     [0;36m|[0;0m                                    `- [1;31merror: [1;39mcannot find 'pow' in scope[0;0m
 [0;36m969 |[0;0m     } else if exponent == 31 {
 [0;36m970 |[0;0m         // Infinity or NaN
/host/spi-builder-workspace/Sources/CBOR/CBOR.swift:974:45: [1;31merror: [1;39mcannot find 'pow' in scope[0;0m
 [0;36m972 |[0;0m     } else {
 [0;36m973 |[0;0m         // Normal number
 [0;36m974 |[0;0m         value = Double(fraction | 0x0400) * [4;39mpow[0;0m(2, Double(exponent - 25))
     [0;36m|[0;0m                                             `- [1;31merror: [1;39mcannot find 'pow' in scope[0;0m
 [0;36m975 |[0;0m     }
 [0;36m976 |[0;0m
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/CBOR/CBOR.swift /host/spi-builder-workspace/Sources/CBOR/CBORError.swift /host/spi-builder-workspace/Sources/CBOR/CBORReader.swift /host/spi-builder-workspace/Sources/CBOR/Codable/CBORCodable.swift /host/spi-builder-workspace/Sources/CBOR/Codable/CBORDecoder.swift /host/spi-builder-workspace/Sources/CBOR/Codable/CBOREncoder.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/CBOR.build/Debug-android-aarch64/CBOR-t.build/Objects-normal/aarch64/CBOR.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/CBOR.build/Debug-android-aarch64/CBOR-t.build/Objects-normal/aarch64/CBOR.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/CBOR.build/Debug-android-aarch64/CBOR-t.build/Objects-normal/aarch64/CBOR.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/CBOR.build/Debug-android-aarch64/CBOR-t.build/Objects-normal/aarch64/CBOR.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/CBOR.build/Debug-android-aarch64/CBOR-t.build/DerivedSources-normal/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/CBOR.build/Debug-android-aarch64/CBOR-t.build/DerivedSources/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/CBOR.build/Debug-android-aarch64/CBOR-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name CBOR -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/CBOR.build/Debug-android-aarch64/CBOR-t.build/Objects-normal/aarch64/CBOR_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/CBOR.build/Debug-android-aarch64/CBOR-t.build/Objects-normal/aarch64/CBOR.o -index-unit-output-path /CBOR.build/Debug-android-aarch64/CBOR-t.build/Objects-normal/aarch64/CBOR.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 android