Swift Package Index

Build Information

Failed to build CRDT, reference 0.5.0 (04ff7d), with Swift 6.4 for macOS (SPM) on 18 Sep 2026 15:46:54 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: 0.5.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/heckj/CRDT
 * tag               0.5.0      -> FETCH_HEAD
HEAD is now at 04ff7d1 doc update
Cloned https://github.com/heckj/CRDT.git
Revision (git rev-parse @):
04ff7d1dfdc36558efc6c5be9f9c158e1c0b5f00
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/heckj/CRDT.git at 0.5.0
========================================
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-docc-plugin
Fetching https://github.com/apple/swift-collections-benchmark
[1/2345] Fetching swift-docc-plugin
[213/2861] Fetching swift-docc-plugin, swift-collections-benchmark
Fetched https://github.com/apple/swift-collections-benchmark (2.43s)
Fetched https://github.com/apple/swift-docc-plugin (2.43s)
Computing version for https://github.com/apple/swift-collections-benchmark
Computed https://github.com/apple/swift-collections-benchmark at 0.0.4 (3.10s)
Fetching https://github.com/apple/swift-system
Fetching https://github.com/apple/swift-argument-parser
[1/6898] Fetching swift-system
[346/25816] Fetching swift-system, swift-argument-parser
Fetched https://github.com/apple/swift-argument-parser (1.97s)
Fetched https://github.com/apple/swift-system (1.97s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.8.2 (2.65s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.5.0 (0.69s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3823] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit (1.30s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (2.04s)
Computing version for https://github.com/apple/swift-system
Computed https://github.com/apple/swift-system at 1.8.1 (0.60s)
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-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
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/apple/swift-collections-benchmark
Working copy of https://github.com/apple/swift-collections-benchmark resolved at 0.0.4
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