Swift Package Index

Build Information

Failed to build MNISTKit, reference develop (0702b1), with Swift 6.3 for Linux on 20 Apr 2026 16:58:49 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:basic-6.3-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/cafielo/MNISTKit.git
Reference: develop
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/cafielo/MNISTKit
 * branch            develop    -> FETCH_HEAD
 * [new branch]      develop    -> origin/develop
HEAD is now at 0702b14 remove forced unwrapping #4
Cloned https://github.com/cafielo/MNISTKit.git
Revision (git rev-parse @):
0702b1438e41eb502e1684b1b9c4d6301c773c20
SUCCESS checkout https://github.com/cafielo/MNISTKit.git at develop
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.3
Building package at path:  $PWD
https://github.com/cafielo/MNISTKit.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:5a7d791d2ead8a924b1292cb31bf3288eabcfe8880e0b005b00b45b71a5bc36a
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest
error: 'spi-builder-workspace': Source files for target MNISTKit should be located under 'Sources/MNISTKit', or a custom sources path can be set with the 'path' property in Package.swift
BUILD FAILURE 6.3 linux