Build Information
Failed to build swift-homomorphic-encryption, reference main (76fdde), with Swift 6.1 for macOS (SPM) on 14 Oct 2026 05:44:40 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64Build Log
========================================
RunAll
========================================
Builder version: 5.1.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/apple/swift-homomorphic-encryption.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/apple/swift-homomorphic-encryption
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 76fddec Fix accumulator overflow in modular matrix multiplication (#336)
Submodule path 'swift-homomorphic-encryption-protobuf': checked out 'f35fa8fa2314a16b9ba166b96db7b1340767ac04'
Submodule 'swift-homomorphic-encryption-protobuf' (https://github.com/apple/swift-homomorphic-encryption-protobuf) registered for path 'swift-homomorphic-encryption-protobuf'
Cloning into '/Users/admin/builder/spi-builder-workspace/swift-homomorphic-encryption-protobuf'...
Cloned https://github.com/apple/swift-homomorphic-encryption.git
Revision (git rev-parse @):
76fddecbfb0ccfdf4883028e81fcfda00877605e
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/apple/swift-homomorphic-encryption.git at main
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/apple/swift-homomorphic-encryption.git
https://github.com/apple/swift-homomorphic-encryption.git
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
error: fatalError
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -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
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
BUILD FAILURE 6.1 macosSpm