Swift Package IndexBuild Information
Failed to build swift-homomorphic-encryption, reference 1.0.6 (1c8599), with Swift 6.3 for Android on 19 Apr 2026 01:42:42 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/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
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/apple/swift-homomorphic-encryption.git
Reference: 1.0.6
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/apple/swift-homomorphic-encryption
* tag 1.0.6 -> FETCH_HEAD
HEAD is now at 1c85999 Faster inverse NTT (#294)
Submodule path 'swift-homomorphic-encryption-protobuf': checked out 'e2fcb506442719d00b11914ebe6e85779c5b5b4c'
Submodule 'swift-homomorphic-encryption-protobuf' (https://github.com/apple/swift-homomorphic-encryption-protobuf) registered for path 'swift-homomorphic-encryption-protobuf'
Cloning into '/host/spi-builder-workspace/swift-homomorphic-encryption-protobuf'...
Cloned https://github.com/apple/swift-homomorphic-encryption.git
Revision (git rev-parse @):
1c859998adb5de2b7bf61d86a993cb1c5eb69659
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/apple/swift-homomorphic-encryption.git at 1.0.6
========================================
Build
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Selected platform: android
Swift version: 6.3
Building package at path: $PWD
https://github.com/apple/swift-homomorphic-encryption.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/host -w "$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
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/host/spi-builder-workspace/.build/checkouts/hdrhistogram-swift/Sources/Histogram/Histogram.swift:1394:25: error: cannot find 'vsnprintf' in scope
1392 | // string.
1393 | 0..<bufferSize ~= format.withCString {
1394 | Int(vsnprintf(ptr.baseAddress, bufferSize, $0, va_list))
| `- error: cannot find 'vsnprintf' in scope
1395 | }
1396 | }
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BUILD FAILURE 6.3 android