Swift Package IndexBuild Information
Failed to build Quiver, reference main (6a292a), with Swift 6.1 for Android on 1 May 2026 05:35:04 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/waynewbishop/quiver.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/waynewbishop/quiver
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 6a292a9 Merge branch 'release/1.1.0'
Cloned https://github.com/waynewbishop/quiver.git
Revision (git rev-parse @):
6a292a9fbed8c4a72b3b23900812a6629a2771f7
SUCCESS checkout https://github.com/waynewbishop/quiver.git at main
========================================
Build
========================================
Selected platform: android
Swift version: 6.1
Building package at path: $PWD
https://github.com/waynewbishop/quiver.git
https://github.com/waynewbishop/quiver.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1
android-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:d37fe7b8fba27dae59fb1d9d7dfa86b38b41ffb3975924aad6f05cb4cc3de131
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:android-6.1-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/41] Emitting module Quiver
[4/41] Compiling Quiver ArraySampling.swift
[5/41] Compiling Quiver Frequency.swift
[6/41] Compiling Quiver Panel.swift
[7/41] Compiling Quiver Distributions.swift
[8/41] Compiling Quiver ArrayGeneration.swift
[9/41] Compiling Quiver ArrayRandom.swift
[10/41] Compiling Quiver KNearestNeighbors.swift
[11/41] Compiling Quiver LinearRegression.swift
[12/41] Compiling Quiver Pipeline.swift
[13/41] Compiling Quiver Regressor.swift
[14/41] Compiling Quiver StandardScaler.swift
[15/46] Compiling Quiver StringExtensions.swift
/host/spi-builder-workspace/Sources/Quiver/Extensions/Vectors/ArrayAngles.swift:55:16: error: cannot convert return expression of type 'Double' to return type 'Float'
53 | func angle(with other: [Float]) -> Float {
54 | let cosine = self.cosineOfAngle(with: other)
55 | return acos(Swift.min(1.0, Swift.max(-1.0, cosine)))
| `- error: cannot convert return expression of type 'Double' to return type 'Float'
56 | }
57 |
/host/spi-builder-workspace/Sources/Quiver/Extensions/Vectors/ArrayAngles.swift:55:42: error: cannot convert value of type 'Float' to expected argument type 'Double'
53 | func angle(with other: [Float]) -> Float {
54 | let cosine = self.cosineOfAngle(with: other)
55 | return acos(Swift.min(1.0, Swift.max(-1.0, cosine)))
| `- error: cannot convert value of type 'Float' to expected argument type 'Double'
56 | }
57 |
[16/46] Compiling Quiver ArrayAngles.swift
/host/spi-builder-workspace/Sources/Quiver/Extensions/Vectors/ArrayAngles.swift:55:16: error: cannot convert return expression of type 'Double' to return type 'Float'
53 | func angle(with other: [Float]) -> Float {
54 | let cosine = self.cosineOfAngle(with: other)
55 | return acos(Swift.min(1.0, Swift.max(-1.0, cosine)))
| `- error: cannot convert return expression of type 'Double' to return type 'Float'
56 | }
57 |
/host/spi-builder-workspace/Sources/Quiver/Extensions/Vectors/ArrayAngles.swift:55:42: error: cannot convert value of type 'Float' to expected argument type 'Double'
53 | func angle(with other: [Float]) -> Float {
54 | let cosine = self.cosineOfAngle(with: other)
55 | return acos(Swift.min(1.0, Swift.max(-1.0, cosine)))
| `- error: cannot convert value of type 'Float' to expected argument type 'Double'
56 | }
57 |
[17/46] Compiling Quiver ArrayArithmetic.swift
/host/spi-builder-workspace/Sources/Quiver/Extensions/Vectors/ArrayAngles.swift:55:16: error: cannot convert return expression of type 'Double' to return type 'Float'
53 | func angle(with other: [Float]) -> Float {
54 | let cosine = self.cosineOfAngle(with: other)
55 | return acos(Swift.min(1.0, Swift.max(-1.0, cosine)))
| `- error: cannot convert return expression of type 'Double' to return type 'Float'
56 | }
57 |
/host/spi-builder-workspace/Sources/Quiver/Extensions/Vectors/ArrayAngles.swift:55:42: error: cannot convert value of type 'Float' to expected argument type 'Double'
53 | func angle(with other: [Float]) -> Float {
54 | let cosine = self.cosineOfAngle(with: other)
55 | return acos(Swift.min(1.0, Swift.max(-1.0, cosine)))
| `- error: cannot convert value of type 'Float' to expected argument type 'Double'
56 | }
57 |
[18/46] Compiling Quiver ArrayBoolean.swift
/host/spi-builder-workspace/Sources/Quiver/Extensions/Vectors/ArrayAngles.swift:55:16: error: cannot convert return expression of type 'Double' to return type 'Float'
53 | func angle(with other: [Float]) -> Float {
54 | let cosine = self.cosineOfAngle(with: other)
55 | return acos(Swift.min(1.0, Swift.max(-1.0, cosine)))
| `- error: cannot convert return expression of type 'Double' to return type 'Float'
56 | }
57 |
/host/spi-builder-workspace/Sources/Quiver/Extensions/Vectors/ArrayAngles.swift:55:42: error: cannot convert value of type 'Float' to expected argument type 'Double'
53 | func angle(with other: [Float]) -> Float {
54 | let cosine = self.cosineOfAngle(with: other)
55 | return acos(Swift.min(1.0, Swift.max(-1.0, cosine)))
| `- error: cannot convert value of type 'Float' to expected argument type 'Double'
56 | }
57 |
[19/46] Compiling Quiver ArrayBroadcast.swift
/host/spi-builder-workspace/Sources/Quiver/Extensions/Vectors/ArrayAngles.swift:55:16: error: cannot convert return expression of type 'Double' to return type 'Float'
53 | func angle(with other: [Float]) -> Float {
54 | let cosine = self.cosineOfAngle(with: other)
55 | return acos(Swift.min(1.0, Swift.max(-1.0, cosine)))
| `- error: cannot convert return expression of type 'Double' to return type 'Float'
56 | }
57 |
/host/spi-builder-workspace/Sources/Quiver/Extensions/Vectors/ArrayAngles.swift:55:42: error: cannot convert value of type 'Float' to expected argument type 'Double'
53 | func angle(with other: [Float]) -> Float {
54 | let cosine = self.cosineOfAngle(with: other)
55 | return acos(Swift.min(1.0, Swift.max(-1.0, cosine)))
| `- error: cannot convert value of type 'Float' to expected argument type 'Double'
56 | }
57 |
[20/46] Compiling Quiver _VectorRegression.swift
[21/46] Compiling Quiver _VectorReshape.swift
[22/46] Compiling Quiver _VectorSampling.swift
[23/46] Compiling Quiver _VectorStatistics.swift
[24/46] Compiling Quiver ArrayCharts.swift
[25/46] Compiling Quiver ArrayMetrics.swift
[26/46] Compiling Quiver _Fourier.swift
[27/46] Compiling Quiver _Vector.swift
[28/46] Compiling Quiver _VectorComparable.swift
[29/46] Compiling Quiver _VectorGeneration.swift
[30/46] Compiling Quiver _VectorMetrics.swift
[31/46] Compiling Quiver _VectorOperations.swift
[32/46] Compiling Quiver Polyfit.swift
[33/46] Compiling Quiver Polynomial.swift
[34/46] Compiling Quiver ArrayFourier.swift
[35/46] Compiling Quiver ArrayInfo.swift
[36/46] Compiling Quiver Fraction.swift
[37/46] Compiling Quiver ArrayReshape.swift
[38/46] Compiling Quiver Classifier.swift
[39/46] Compiling Quiver FeatureScaler.swift
[40/46] Compiling Quiver GaussianNaiveBayes.swift
[41/46] Compiling Quiver KMeansClustering.swift
[42/46] Compiling Quiver ArrayElementwise.swift
[43/46] Compiling Quiver ArrayStatistics.swift
[44/46] Compiling Quiver MatrixSolve.swift
[45/46] Compiling Quiver VectorOperations.swift
[46/46] Compiling Quiver Quiver.swift
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 2>&1
android-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:d37fe7b8fba27dae59fb1d9d7dfa86b38b41ffb3975924aad6f05cb4cc3de131
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:android-6.1-latest
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/40] Emitting module Quiver
[3/45] Compiling Quiver StringExtensions.swift
/host/spi-builder-workspace/Sources/Quiver/Extensions/Vectors/ArrayAngles.swift:55:16: error: cannot convert return expression of type 'Double' to return type 'Float'
53 | func angle(with other: [Float]) -> Float {
54 | let cosine = self.cosineOfAngle(with: other)
55 | return acos(Swift.min(1.0, Swift.max(-1.0, cosine)))
| `- error: cannot convert return expression of type 'Double' to return type 'Float'
56 | }
57 |
/host/spi-builder-workspace/Sources/Quiver/Extensions/Vectors/ArrayAngles.swift:55:42: error: cannot convert value of type 'Float' to expected argument type 'Double'
53 | func angle(with other: [Float]) -> Float {
54 | let cosine = self.cosineOfAngle(with: other)
55 | return acos(Swift.min(1.0, Swift.max(-1.0, cosine)))
| `- error: cannot convert value of type 'Float' to expected argument type 'Double'
56 | }
57 |
[4/45] Compiling Quiver ArrayAngles.swift
/host/spi-builder-workspace/Sources/Quiver/Extensions/Vectors/ArrayAngles.swift:55:16: error: cannot convert return expression of type 'Double' to return type 'Float'
53 | func angle(with other: [Float]) -> Float {
54 | let cosine = self.cosineOfAngle(with: other)
55 | return acos(Swift.min(1.0, Swift.max(-1.0, cosine)))
| `- error: cannot convert return expression of type 'Double' to return type 'Float'
56 | }
57 |
/host/spi-builder-workspace/Sources/Quiver/Extensions/Vectors/ArrayAngles.swift:55:42: error: cannot convert value of type 'Float' to expected argument type 'Double'
53 | func angle(with other: [Float]) -> Float {
54 | let cosine = self.cosineOfAngle(with: other)
55 | return acos(Swift.min(1.0, Swift.max(-1.0, cosine)))
| `- error: cannot convert value of type 'Float' to expected argument type 'Double'
56 | }
57 |
[5/45] Compiling Quiver ArrayArithmetic.swift
/host/spi-builder-workspace/Sources/Quiver/Extensions/Vectors/ArrayAngles.swift:55:16: error: cannot convert return expression of type 'Double' to return type 'Float'
53 | func angle(with other: [Float]) -> Float {
54 | let cosine = self.cosineOfAngle(with: other)
55 | return acos(Swift.min(1.0, Swift.max(-1.0, cosine)))
| `- error: cannot convert return expression of type 'Double' to return type 'Float'
56 | }
57 |
/host/spi-builder-workspace/Sources/Quiver/Extensions/Vectors/ArrayAngles.swift:55:42: error: cannot convert value of type 'Float' to expected argument type 'Double'
53 | func angle(with other: [Float]) -> Float {
54 | let cosine = self.cosineOfAngle(with: other)
55 | return acos(Swift.min(1.0, Swift.max(-1.0, cosine)))
| `- error: cannot convert value of type 'Float' to expected argument type 'Double'
56 | }
57 |
[6/45] Compiling Quiver ArrayBoolean.swift
/host/spi-builder-workspace/Sources/Quiver/Extensions/Vectors/ArrayAngles.swift:55:16: error: cannot convert return expression of type 'Double' to return type 'Float'
53 | func angle(with other: [Float]) -> Float {
54 | let cosine = self.cosineOfAngle(with: other)
55 | return acos(Swift.min(1.0, Swift.max(-1.0, cosine)))
| `- error: cannot convert return expression of type 'Double' to return type 'Float'
56 | }
57 |
/host/spi-builder-workspace/Sources/Quiver/Extensions/Vectors/ArrayAngles.swift:55:42: error: cannot convert value of type 'Float' to expected argument type 'Double'
53 | func angle(with other: [Float]) -> Float {
54 | let cosine = self.cosineOfAngle(with: other)
55 | return acos(Swift.min(1.0, Swift.max(-1.0, cosine)))
| `- error: cannot convert value of type 'Float' to expected argument type 'Double'
56 | }
57 |
[7/45] Compiling Quiver ArrayBroadcast.swift
/host/spi-builder-workspace/Sources/Quiver/Extensions/Vectors/ArrayAngles.swift:55:16: error: cannot convert return expression of type 'Double' to return type 'Float'
53 | func angle(with other: [Float]) -> Float {
54 | let cosine = self.cosineOfAngle(with: other)
55 | return acos(Swift.min(1.0, Swift.max(-1.0, cosine)))
| `- error: cannot convert return expression of type 'Double' to return type 'Float'
56 | }
57 |
/host/spi-builder-workspace/Sources/Quiver/Extensions/Vectors/ArrayAngles.swift:55:42: error: cannot convert value of type 'Float' to expected argument type 'Double'
53 | func angle(with other: [Float]) -> Float {
54 | let cosine = self.cosineOfAngle(with: other)
55 | return acos(Swift.min(1.0, Swift.max(-1.0, cosine)))
| `- error: cannot convert value of type 'Float' to expected argument type 'Double'
56 | }
57 |
[8/45] Compiling Quiver _Fourier.swift
[9/45] Compiling Quiver _Vector.swift
[10/45] Compiling Quiver _VectorComparable.swift
[11/45] Compiling Quiver _VectorGeneration.swift
[12/45] Compiling Quiver _VectorMetrics.swift
[13/45] Compiling Quiver _VectorOperations.swift
[14/45] Compiling Quiver ArrayReshape.swift
[15/45] Compiling Quiver Classifier.swift
[16/45] Compiling Quiver FeatureScaler.swift
[17/45] Compiling Quiver GaussianNaiveBayes.swift
[18/45] Compiling Quiver KMeansClustering.swift
[19/45] Compiling Quiver ArraySampling.swift
[20/45] Compiling Quiver Frequency.swift
[21/45] Compiling Quiver Panel.swift
[22/45] Compiling Quiver Distributions.swift
[23/45] Compiling Quiver ArrayGeneration.swift
[24/45] Compiling Quiver ArrayRandom.swift
[25/45] Compiling Quiver KNearestNeighbors.swift
[26/45] Compiling Quiver LinearRegression.swift
[27/45] Compiling Quiver Pipeline.swift
[28/45] Compiling Quiver Regressor.swift
[29/45] Compiling Quiver StandardScaler.swift
[30/45] Compiling Quiver Polyfit.swift
[31/45] Compiling Quiver Polynomial.swift
[32/45] Compiling Quiver ArrayFourier.swift
[33/45] Compiling Quiver ArrayInfo.swift
[34/45] Compiling Quiver Fraction.swift
[35/45] Compiling Quiver ArrayElementwise.swift
[36/45] Compiling Quiver ArrayStatistics.swift
[37/45] Compiling Quiver MatrixSolve.swift
[38/45] Compiling Quiver VectorOperations.swift
[39/45] Compiling Quiver Quiver.swift
[40/45] Compiling Quiver _VectorRegression.swift
[41/45] Compiling Quiver _VectorReshape.swift
[42/45] Compiling Quiver _VectorSampling.swift
[43/45] Compiling Quiver _VectorStatistics.swift
[44/45] Compiling Quiver ArrayCharts.swift
[45/45] Compiling Quiver ArrayMetrics.swift
BUILD FAILURE 6.1 android