Swift Package Index

Build Information

Failed to build CRDT, reference main (31e9ef), with Swift 6.4 for macOS (SPM) on 18 Sep 2026 15:47:12 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/heckj/CRDT.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/heckj/CRDT
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 31e9ef0 adding .mailmap
Cloned https://github.com/heckj/CRDT.git
Revision (git rev-parse @):
31e9ef063daba69552753dabd5c359e8e91e1e27
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/heckj/CRDT.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/heckj/CRDT.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 / 244]
[Planning deferred tasks]
Fetching https://github.com/apple/swift-collections-benchmark
Fetching https://github.com/apple/swift-docc-plugin
[1/2345] Fetching swift-docc-plugin
[236/2861] Fetching swift-docc-plugin, swift-collections-benchmark
Fetched https://github.com/apple/swift-docc-plugin (1.99s)
Fetched https://github.com/apple/swift-collections-benchmark (1.99s)
Computing version for https://github.com/apple/swift-collections-benchmark
Computed https://github.com/apple/swift-collections-benchmark at 0.0.4 (2.60s)
Fetching https://github.com/apple/swift-system
Fetching https://github.com/apple/swift-argument-parser
[1/6898] Fetching swift-system
[70/25816] Fetching swift-system, swift-argument-parser
Fetched https://github.com/apple/swift-system (1.90s)
Fetched https://github.com/apple/swift-argument-parser (1.90s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.8.2 (2.50s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.5.0 (2.73s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3823] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit (1.34s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (2.06s)
Computing version for https://github.com/apple/swift-system
Computed https://github.com/apple/swift-system at 1.8.1 (0.58s)
Creating working copy for https://github.com/apple/swift-system
Working copy of https://github.com/apple/swift-system resolved at 1.8.1
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
Creating working copy for https://github.com/apple/swift-collections-benchmark
Working copy of https://github.com/apple/swift-collections-benchmark resolved at 0.0.4
Creating working copy for https://github.com/apple/swift-docc-plugin
Working copy of https://github.com/apple/swift-docc-plugin resolved at 1.5.0
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.8.2
error: The package product 'CollectionsBenchmark-product' requires minimum platform version 15.0 for the macOS platform, but this target supports 12.0
error: Build failed
BUILD FAILURE 6.4 macosSpm