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Build Information

Failed to build SwiftyVector, reference 0.3.2 (c79d21), with Swift 6.4 for Android on 16 Sep 2026 03:33:27 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344843-1":/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/koher/swiftyvector.git
Reference: 0.3.2
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/koher/swiftyvector
 * tag               0.3.2      -> FETCH_HEAD
HEAD is now at c79d21f Merge pull request #6 from koher/dev-0.3.2
Cloned https://github.com/koher/swiftyvector.git
Revision (git rev-parse @):
c79d21ffb8f2c969294b10a043348ddb9ee32684
SUCCESS checkout https://github.com/koher/swiftyvector.git at 0.3.2
========================================
Build
========================================
Selected platform:         android
Swift version:             6.4
Building package at path:  $PWD
https://github.com/koher/swiftyvector.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344843-1":/host -w "$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...
[Planning deferred tasks]
[23 / 31] SwiftyVector
[28 / 31] SwiftyVector
error: SwiftCompile normal aarch64 /host/spi-builder-workspace/Sources/SwiftyVector/Vector.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile Vector.swift
/host/spi-builder-workspace/Sources/SwiftyVector/Vector.swift:69:16: error: cannot convert return expression of type 'Double' to return type 'Self.Scalar'
 67 |
 68 |     public var length: Scalar {
 69 |         return sqrt(squareLength)
    |                `- error: cannot convert return expression of type 'Double' to return type 'Self.Scalar'
 70 |     }
 71 |
/host/spi-builder-workspace/Sources/SwiftyVector/Vector.swift:69:21: error: cannot convert value of type 'Self.Scalar' to expected argument type 'Double'
 67 |
 68 |     public var length: Scalar {
 69 |         return sqrt(squareLength)
    |                     `- error: cannot convert value of type 'Self.Scalar' to expected argument type 'Double'
 70 |     }
 71 |
/host/spi-builder-workspace/Sources/SwiftyVector/Vector.swift:77:16: error: cannot convert return expression of type 'Double' to return type 'Self.Scalar'
 75 |
 76 |     public func distance(from vector: Self) -> Scalar {
 77 |         return sqrt(squareDistance(from: vector))
    |                `- error: cannot convert return expression of type 'Double' to return type 'Self.Scalar'
 78 |     }
 79 |
/host/spi-builder-workspace/Sources/SwiftyVector/Vector.swift:77:21: error: cannot convert value of type 'Self.Scalar' to expected argument type 'Double'
 75 |
 76 |     public func distance(from vector: Self) -> Scalar {
 77 |         return sqrt(squareDistance(from: vector))
    |                     `- error: cannot convert value of type 'Self.Scalar' to expected argument type 'Double'
 78 |     }
 79 |
/host/spi-builder-workspace/Sources/SwiftyVector/Vector.swift:85:38: error: cannot convert value of type 'Double' to expected argument type 'Self.Scalar'
 83 |
 84 |     public func cos(from v: Self) -> Scalar {
 85 |         return dotProduct(with: v) / sqrt(squareLength * v.squareLength)
    |                                      `- error: cannot convert value of type 'Double' to expected argument type 'Self.Scalar'
 86 |     }
 87 | }
/host/spi-builder-workspace/Sources/SwiftyVector/Vector.swift:85:56: error: cannot convert value of type 'Self.Scalar' to expected argument type 'Double'
 83 |
 84 |     public func cos(from v: Self) -> Scalar {
 85 |         return dotProduct(with: v) / sqrt(squareLength * v.squareLength)
    |                                                        `- error: cannot convert value of type 'Self.Scalar' to expected argument type 'Double'
 86 |     }
 87 | }
/host/spi-builder-workspace/Sources/SwiftyVector/Vector.swift:97:20: error: no exact matches in call to global function 'acos'
 95 |             return 0
 96 |         } else {
 97 |             return acos(cosValue)
    |                    `- error: no exact matches in call to global function 'acos'
 98 |         }
 99 |     }
Foundation.acos:1:13: note: candidate expects value of type 'CGFloat' for parameter #1 (got 'Float')
1 | public func acos(_ x: CGFloat) -> CGFloat
  |             `- note: candidate expects value of type 'CGFloat' for parameter #1 (got 'Float')
/android-ndk/android-ndk-r27d/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include/math.h:76:8: note: candidate expects value of type 'Double' for parameter #1 (got 'Float')
 74 |     : __builtin_signbitl(x))
 75 |
 76 | double acos(double __x);
    |        `- note: candidate expects value of type 'Double' for parameter #1 (got 'Float')
 77 | float acosf(float __x);
 78 | long double acosl(long double __x);
/host/spi-builder-workspace/Sources/SwiftyVector/Vector.swift:97:20: error: no 'acos' candidates produce the expected contextual result type 'Float'
 95 |             return 0
 96 |         } else {
 97 |             return acos(cosValue)
    |                    `- error: no 'acos' candidates produce the expected contextual result type 'Float'
 98 |         }
 99 |     }
Foundation.acos:1:13: note: 'acos' produces 'CGFloat', not the expected contextual result type 'Float'
1 | public func acos(_ x: CGFloat) -> CGFloat
  |             `- note: 'acos' produces 'CGFloat', not the expected contextual result type 'Float'
/android-ndk/android-ndk-r27d/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include/math.h:76:8: note: 'acos' produces 'Double', not the expected contextual result type 'Float'
 74 |     : __builtin_signbitl(x))
 75 |
 76 | double acos(double __x);
    |        `- note: 'acos' produces 'Double', not the expected contextual result type 'Float'
 77 | float acosf(float __x);
 78 | long double acosl(long double __x);
Failed frontend command:
/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/Sources/SwiftyVector/Concrete.swift /host/spi-builder-workspace/Sources/SwiftyVector/CoreGraphics.swift -primary-file /host/spi-builder-workspace/Sources/SwiftyVector/Vector.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftyVector.build/Debug-android-aarch64/SwiftyVector-t.build/Objects-normal/aarch64/Vector.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftyVector.build/Debug-android-aarch64/SwiftyVector-t.build/Objects-normal/aarch64/Vector.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftyVector.build/Debug-android-aarch64/SwiftyVector-t.build/Objects-normal/aarch64/Vector.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftyVector.build/Debug-android-aarch64/SwiftyVector-t.build/Objects-normal/aarch64/Vector.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 4 -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/SwiftyVector.build/Debug-android-aarch64/SwiftyVector-t.build/DerivedSources-normal/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftyVector.build/Debug-android-aarch64/SwiftyVector-t.build/DerivedSources/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftyVector.build/Debug-android-aarch64/SwiftyVector-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SwiftyVector -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftyVector.build/Debug-android-aarch64/SwiftyVector-t.build/Objects-normal/aarch64/SwiftyVector_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/SwiftyVector.build/Debug-android-aarch64/SwiftyVector-t.build/Objects-normal/aarch64/Vector.o -index-unit-output-path /SwiftyVector.build/Debug-android-aarch64/SwiftyVector-t.build/Objects-normal/aarch64/Vector.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 android