Swift Package IndexBuild Information
Failed to build WebAPIKit, reference main (c1636f), with Swift 6.4 for macOS (SPM) on 23 Sep 2026 07:01:09 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 5.1.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/swiftwasm/WebAPIKit.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swiftwasm/WebAPIKit
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at c1636f0 Create .spi.yml
Cloned https://github.com/swiftwasm/WebAPIKit.git
Revision (git rev-parse @):
c1636f023a8484b37b2e2403a14315b6fb0cf3a3
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/swiftwasm/WebAPIKit.git at main
========================================
Build
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Selected platform: macosSpm
Swift version: 6.4
Building package at path: $PWD
https://github.com/swiftwasm/WebAPIKit.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Computing dependencies]
[Provisioning 1 / 39]
[Pre-planning 1 / 1029]
[Planning deferred tasks]
Fetching https://github.com/swiftwasm/JavaScriptKit.git
[1/40812] Fetching javascriptkit
Fetched https://github.com/swiftwasm/JavaScriptKit.git (2.32s)
Computing version for https://github.com/swiftwasm/JavaScriptKit.git
Computed https://github.com/swiftwasm/JavaScriptKit.git at 0.59.0 (3.01s)
Fetching https://github.com/swiftlang/swift-syntax
[1/80014] Fetching swift-syntax
Fetched https://github.com/swiftlang/swift-syntax (5.62s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 603.0.2 (8.50s)
Creating working copy for https://github.com/swiftwasm/JavaScriptKit.git
Working copy of https://github.com/swiftwasm/JavaScriptKit.git resolved at 0.59.0
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 603.0.2
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/603.0.2/swiftlang-6.4.0.34.1-macosx27.0-MacroSupport.zip
Downloaded https://download.swift.org/prebuilts/swift-syntax/603.0.2/swiftlang-6.4.0.34.1-macosx27.0-MacroSupport.zip (0.21s)
error: The package product 'JavaScriptKit-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptEventLoop-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptBigIntSupport-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptKit-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptEventLoop-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptBigIntSupport-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptKit-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptEventLoop-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptBigIntSupport-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptKit-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptEventLoop-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptBigIntSupport-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptKit-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptEventLoop-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptBigIntSupport-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptKit-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptEventLoop-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptBigIntSupport-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptKit-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptEventLoop-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptBigIntSupport-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptKit-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptEventLoop-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptBigIntSupport-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptKit-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptEventLoop-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptBigIntSupport-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptKit-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptEventLoop-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptBigIntSupport-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptKit-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptEventLoop-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptBigIntSupport-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptKit-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptEventLoop-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptBigIntSupport-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptKit-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptEventLoop-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptBigIntSupport-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptKit-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptEventLoop-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptBigIntSupport-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptKit-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptEventLoop-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptBigIntSupport-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptKit-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptEventLoop-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptBigIntSupport-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptKit-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptEventLoop-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptBigIntSupport-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptKit-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptEventLoop-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptBigIntSupport-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptKit-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptEventLoop-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptBigIntSupport-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptKit-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptEventLoop-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptBigIntSupport-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptKit-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptEventLoop-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptBigIntSupport-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptKit-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptEventLoop-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptBigIntSupport-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptKit-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptEventLoop-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptBigIntSupport-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptKit-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptEventLoop-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptBigIntSupport-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptKit-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptEventLoop-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptBigIntSupport-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptKit-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptEventLoop-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: The package product 'JavaScriptBigIntSupport-product' requires minimum platform version 13.0 for the macOS platform, but this target supports 12.0
error: Build failed
BUILD FAILURE 6.4 macosSpm