Swift Package Index

Build Information

Failed to build Bivrost, reference 0.0.4 (339701), with Swift 6.4 for macOS (SPM) on 15 Sep 2026 21:36:20 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/gnosis/bivrost-swift.git
Reference: 0.0.4
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/gnosis/bivrost-swift
 * tag               0.0.4      -> FETCH_HEAD
HEAD is now at 339701f Small fixes. (#11)
Cloned https://github.com/gnosis/bivrost-swift.git
Revision (git rev-parse @):
339701fea3d070e07cb89b8b9a594a63aef18966
SUCCESS checkout https://github.com/gnosis/bivrost-swift.git at 0.0.4
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/gnosis/bivrost-swift.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 391]
[Planning deferred tasks]
Fetching https://github.com/kylef/Commander.git
[1/1588] Fetching commander
Fetched https://github.com/kylef/Commander.git (0.98s)
Fetching https://github.com/PoissonBallon/PathKit.git
[1/662] Fetching pathkit
Fetched https://github.com/PoissonBallon/PathKit.git (0.97s)
Fetching https://github.com/zweigraf/Stencil.git
[1/1750] Fetching stencil
Fetched https://github.com/zweigraf/Stencil.git (1.06s)
Fetching https://github.com/zweigraf/StencilSwiftKit.git
[1/1276] Fetching stencilswiftkit
Fetched https://github.com/zweigraf/StencilSwiftKit.git (1.04s)
Fetching https://github.com/kylef/Spectre.git
Fetching https://github.com/Quick/Nimble.git
Fetching https://github.com/attaswift/BigInt.git
Fetching https://github.com/krzyzanowskim/CryptoSwift
Fetching https://github.com/Quick/Quick.git
[1/4939] Fetching bigint
[2/5960] Fetching bigint, spectre
[115/19399] Fetching bigint, spectre, cryptoswift
[877/34324] Fetching bigint, spectre, cryptoswift, quick
[3910/54310] Fetching bigint, spectre, cryptoswift, quick, nimble
Fetched https://github.com/Quick/Nimble.git (2.68s)
Fetched https://github.com/attaswift/BigInt.git (2.68s)
Fetched https://github.com/kylef/Spectre.git (2.68s)
Fetched https://github.com/Quick/Quick.git (2.87s)
Fetched https://github.com/krzyzanowskim/CryptoSwift (2.87s)
Computing version for https://github.com/kylef/Spectre.git
Computed https://github.com/kylef/Spectre.git at 0.8.0 (3.58s)
Computing version for https://github.com/Quick/Quick.git
Computed https://github.com/Quick/Quick.git at 1.2.0 (0.72s)
Computing version for https://github.com/Quick/Nimble.git
Computed https://github.com/Quick/Nimble.git at 7.0.3 (0.70s)
Computing version for https://github.com/attaswift/BigInt.git
Computed https://github.com/attaswift/BigInt.git at 3.1.0 (0.67s)
Fetching https://github.com/attaswift/SipHash
[1/440] Fetching siphash
Fetched https://github.com/attaswift/SipHash (1.08s)
Computing version for https://github.com/attaswift/SipHash
Computed https://github.com/attaswift/SipHash at 1.2.2 (1.77s)
Computing version for https://github.com/krzyzanowskim/CryptoSwift
Computed https://github.com/krzyzanowskim/CryptoSwift at 0.8.3 (0.65s)
Creating working copy for https://github.com/Quick/Nimble.git
Working copy of https://github.com/Quick/Nimble.git resolved at 7.0.3
Creating working copy for https://github.com/PoissonBallon/PathKit.git
Working copy of https://github.com/PoissonBallon/PathKit.git resolved at master (a73cc01)
Creating working copy for https://github.com/attaswift/SipHash
Working copy of https://github.com/attaswift/SipHash resolved at 1.2.2
Creating working copy for https://github.com/Quick/Quick.git
Working copy of https://github.com/Quick/Quick.git resolved at 1.2.0
Creating working copy for https://github.com/attaswift/BigInt.git
Working copy of https://github.com/attaswift/BigInt.git resolved at 3.1.0
Creating working copy for https://github.com/kylef/Spectre.git
Working copy of https://github.com/kylef/Spectre.git resolved at 0.8.0
Creating working copy for https://github.com/krzyzanowskim/CryptoSwift
Working copy of https://github.com/krzyzanowskim/CryptoSwift resolved at 0.8.3
Creating working copy for https://github.com/zweigraf/StencilSwiftKit.git
Working copy of https://github.com/zweigraf/StencilSwiftKit.git resolved at 82a0099e5c446348692a2ba40ffbba980c6b8898
Creating working copy for https://github.com/zweigraf/Stencil.git
Working copy of https://github.com/zweigraf/Stencil.git resolved at master (2bcdbd3)
Creating working copy for https://github.com/kylef/Commander.git
Working copy of https://github.com/kylef/Commander.git resolved at e0cbee1bd73778c1076c675eaf660e97d09f3b32
error: SWIFT_VERSION '3' is unsupported, supported versions are: 4.0, 4.2, 5.0, 6.0.
error: SWIFT_VERSION '3' is unsupported, supported versions are: 4.0, 4.2, 5.0, 6.0.
error: Build failed
BUILD FAILURE 6.4 macosSpm