Build Information
Successful build of WasmKit, reference slim (cdf87a), with Swift 6.4 for macOS (SPM) on 20 Sep 2026 13:28:20 UTC.
Swift 6 data race errors: 0
Build Command
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64Build Log
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/kabiroberai/WasmKit.git
Reference: slim
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/kabiroberai/WasmKit
* branch slim -> FETCH_HEAD
* [new branch] slim -> origin/slim
HEAD is now at cdf87a7 slim
Cloned https://github.com/kabiroberai/WasmKit.git
Revision (git rev-parse @):
cdf87a7dc0c5a92823f0c873b52e70ea5f9a3c64
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/kabiroberai/WasmKit.git at slim
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.4
Building package at path: $PWD
https://github.com/kabiroberai/WasmKit.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 / 447]
[Planning deferred tasks]
[53 / 152] Spectest-product
[72 / 152]
[79 / 155] CSystem
[84 / 159]
[86 / 159] ArgumentParserToolInfo
[100 / 187]
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[133 / 277]
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[147 / 277]
[157 / 277] SystemPackage
[160 / 277]
[172 / 277] SystemPackage-product
[176 / 278] SystemPackage
[185 / 286] SystemExtras
[188 / 286]
[197 / 286]
[210 / 287]
[211 / 287]
[213 / 287] WasmKit
[214 / 298]
[215 / 298]
[216 / 298]
[226 / 298] WasmKit
[227 / 298] ArgumentParser
[244 / 298] WIT-product
[247 / 298] WIT
[248 / 298] WIT
[257 / 298] WASI
[261 / 298] ArgumentParser
[262 / 298] ArgumentParser-product
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[265 / 298] Spectest-product
[272 / 299] WIT
[276 / 300] WASI
[277 / 300] ArgumentParser
[285 / 316] WASI
[287 / 316]
[293 / 316] Spectest-product
[303 / 317] ArgumentParser
[305 / 317] wasmkit-cli-product
[310 / 320] wasmkit-cli-product
[311 / 320] Spectest-product
[318 / 320] WASI-product
[318 / 320] wasmkit-cli-product
Build complete! (10.17 sec)
Fetching https://github.com/apple/swift-format.git
Fetching https://github.com/apple/swift-docc-plugin
Fetching https://github.com/apple/swift-argument-parser
Fetching https://github.com/apple/swift-system
[1/2345] Fetching swift-docc-plugin
[95/9243] Fetching swift-docc-plugin, swift-system
[420/28161] Fetching swift-docc-plugin, swift-system, swift-argument-parser
[1231/43188] Fetching swift-docc-plugin, swift-system, swift-argument-parser, swift-format
Fetched https://github.com/apple/swift-docc-plugin (1.62s)
[20516/40843] Fetching swift-system, swift-argument-parser, swift-format
Fetched https://github.com/apple/swift-format.git (1.91s)
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-format.git
Computed https://github.com/apple/swift-format.git at 508.0.1 (2.73s)
Fetching https://github.com/apple/swift-syntax.git
Fetching https://github.com/apple/swift-tools-support-core.git
[1/7398] Fetching swift-tools-support-core
[7399/87383] Fetching swift-tools-support-core, swift-syntax
Fetched https://github.com/apple/swift-tools-support-core.git (6.64s)
Fetched https://github.com/apple/swift-syntax.git (6.64s)
Computing version for https://github.com/apple/swift-system
Computed https://github.com/apple/swift-system at 1.1.1 (7.33s)
Computing version for https://github.com/apple/swift-syntax.git
Computed https://github.com/apple/swift-syntax.git at 508.0.1 (0.72s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.5.0 (0.63s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3824] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit (1.41s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (2.12s)
Computing version for https://github.com/apple/swift-tools-support-core.git
Computed https://github.com/apple/swift-tools-support-core.git at 0.8.0 (0.70s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.8.2 (0.57s)
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-docc-plugin
Working copy of https://github.com/apple/swift-docc-plugin resolved at 1.5.0
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-system
Working copy of https://github.com/apple/swift-system resolved at 1.1.1
Creating working copy for https://github.com/apple/swift-syntax.git
Working copy of https://github.com/apple/swift-syntax.git resolved at 508.0.1
Creating working copy for https://github.com/apple/swift-format.git
Working copy of https://github.com/apple/swift-format.git resolved at 508.0.1
Creating working copy for https://github.com/apple/swift-tools-support-core.git
Working copy of https://github.com/apple/swift-tools-support-core.git resolved at 0.8.0
Build complete.
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Done.