Swift Package IndexBuild Information
Failed to build SwiftRegressor, reference 1.2.3 (81ae7c), with Swift 6.3 for Android on 12 Apr 2026 16:23:11 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/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-6.3-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/openalloc/SwiftRegressor.git
Reference: 1.2.3
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/openalloc/SwiftRegressor
* tag 1.2.3 -> FETCH_HEAD
HEAD is now at 81ae7c4 changes to (eventually) support poly regression
Cloned https://github.com/openalloc/SwiftRegressor.git
Revision (git rev-parse @):
81ae7c42866216d2828a2b4af64951ec53e30da1
SUCCESS checkout https://github.com/openalloc/SwiftRegressor.git at 1.2.3
========================================
Build
========================================
Selected platform: android
Swift version: 6.3
Building package at path: $PWD
https://github.com/openalloc/SwiftRegressor.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:android-6.3-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1
android-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:9008270ea37a55e78725e6225015adb5eff8582da520c5232bf0499f32c36dc4
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:android-6.3-latest
Fetching https://github.com/apple/swift-numerics
[1/6416] Fetching swift-numerics
Fetched https://github.com/apple/swift-numerics from cache (0.41s)
Computing version for https://github.com/apple/swift-numerics
Computed https://github.com/apple/swift-numerics at 1.1.1 (0.83s)
Creating working copy for https://github.com/apple/swift-numerics
Working copy of https://github.com/apple/swift-numerics resolved at 1.1.1
Building for debugging...
[0/6] Write sources
[4/6] Compiling _NumericsShims _NumericsShims.c
[5/6] Write swift-version--4F562202D5529B1.txt
[7/17] Compiling RealModule RealFunctions.swift
[8/17] Compiling RealModule AlgebraicField.swift
[9/17] Compiling RealModule ApproximateEquality.swift
[10/18] Emitting module RealModule
[11/18] Compiling RealModule Real.swift
[12/18] Compiling RealModule RelaxedArithmetic.swift
[13/18] Compiling RealModule Float80+Real.swift
[14/18] Compiling RealModule AugmentedArithmetic.swift
[15/18] Compiling RealModule Double+Real.swift
[16/18] Compiling RealModule ElementaryFunctions.swift
[17/18] Compiling RealModule Float+Real.swift
[18/18] Compiling RealModule Float16+Real.swift
[20/30] Compiling ComplexModule Polar.swift
[21/31] Compiling ComplexModule Complex+StringConvertible.swift
[22/31] Compiling ComplexModule Complex.swift
[23/31] Compiling ComplexModule Complex+Hashable.swift
[24/31] Compiling ComplexModule Complex+IntegerLiteral.swift
[25/31] Compiling ComplexModule Complex+Numeric.swift
[26/31] Compiling ComplexModule Scale.swift
[27/31] Emitting module ComplexModule
[28/31] Compiling ComplexModule Complex+Codable.swift
[29/31] Compiling ComplexModule Complex+ElementaryFunctions.swift
[30/31] Compiling ComplexModule Complex+AdditiveArithmetic.swift
[31/31] Compiling ComplexModule Complex+AlgebraicField.swift
[33/34] Emitting module Numerics
[34/34] Compiling Numerics Numerics.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[36/38] Compiling Regressor BaseRegressor.swift
[37/38] Emitting module Regressor
/host/spi-builder-workspace/Sources/LinearRegressor.swift:50:18: error: cannot convert value of type 'Double' to expected argument type 'T'
48 |
49 | public lazy var sampleStandardDeviation: Point = {
50 | Point(x: sqrt(summedSquareError.x / (count - 1)),
| `- error: cannot convert value of type 'Double' to expected argument type 'T'
51 | y: sqrt(summedSquareError.y / (count - 1)))
52 | }()
/host/spi-builder-workspace/Sources/LinearRegressor.swift:51:18: error: cannot convert value of type 'Double' to expected argument type 'T'
49 | public lazy var sampleStandardDeviation: Point = {
50 | Point(x: sqrt(summedSquareError.x / (count - 1)),
51 | y: sqrt(summedSquareError.y / (count - 1)))
| `- error: cannot convert value of type 'Double' to expected argument type 'T'
52 | }()
53 |
/host/spi-builder-workspace/Sources/LinearRegressor.swift:50:43: error: cannot convert value of type 'T' to expected argument type 'Double'
48 |
49 | public lazy var sampleStandardDeviation: Point = {
50 | Point(x: sqrt(summedSquareError.x / (count - 1)),
| `- error: cannot convert value of type 'T' to expected argument type 'Double'
51 | y: sqrt(summedSquareError.y / (count - 1)))
52 | }()
/host/spi-builder-workspace/Sources/LinearRegressor.swift:51:43: error: cannot convert value of type 'T' to expected argument type 'Double'
49 | public lazy var sampleStandardDeviation: Point = {
50 | Point(x: sqrt(summedSquareError.x / (count - 1)),
51 | y: sqrt(summedSquareError.y / (count - 1)))
| `- error: cannot convert value of type 'T' to expected argument type 'Double'
52 | }()
53 |
[38/38] Compiling Regressor LinearRegressor.swift
/host/spi-builder-workspace/Sources/LinearRegressor.swift:50:18: error: cannot convert value of type 'Double' to expected argument type 'T'
48 |
49 | public lazy var sampleStandardDeviation: Point = {
50 | Point(x: sqrt(summedSquareError.x / (count - 1)),
| `- error: cannot convert value of type 'Double' to expected argument type 'T'
51 | y: sqrt(summedSquareError.y / (count - 1)))
52 | }()
/host/spi-builder-workspace/Sources/LinearRegressor.swift:51:18: error: cannot convert value of type 'Double' to expected argument type 'T'
49 | public lazy var sampleStandardDeviation: Point = {
50 | Point(x: sqrt(summedSquareError.x / (count - 1)),
51 | y: sqrt(summedSquareError.y / (count - 1)))
| `- error: cannot convert value of type 'Double' to expected argument type 'T'
52 | }()
53 |
/host/spi-builder-workspace/Sources/LinearRegressor.swift:50:43: error: cannot convert value of type 'T' to expected argument type 'Double'
48 |
49 | public lazy var sampleStandardDeviation: Point = {
50 | Point(x: sqrt(summedSquareError.x / (count - 1)),
| `- error: cannot convert value of type 'T' to expected argument type 'Double'
51 | y: sqrt(summedSquareError.y / (count - 1)))
52 | }()
/host/spi-builder-workspace/Sources/LinearRegressor.swift:51:43: error: cannot convert value of type 'T' to expected argument type 'Double'
49 | public lazy var sampleStandardDeviation: Point = {
50 | Point(x: sqrt(summedSquareError.x / (count - 1)),
51 | y: sqrt(summedSquareError.y / (count - 1)))
| `- error: cannot convert value of type 'T' to expected argument type 'Double'
52 | }()
53 |
BUILD FAILURE 6.3 android