Build Information
Failed to build KituraMustache, reference 1.8.200 (30a008), with Swift 6.3 for macOS (SPM) on 11 Apr 2026 21:02:05 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/Kitura/Kitura-MustacheTemplateEngine.git
Reference: 1.8.200
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Kitura/Kitura-MustacheTemplateEngine
* tag 1.8.200 -> FETCH_HEAD
HEAD is now at 30a0084 Update package reference to community versions (#30)
Cloned https://github.com/Kitura/Kitura-MustacheTemplateEngine.git
Revision (git rev-parse @):
30a00846f6f81f32234e02cd571812bc3376be38
SUCCESS checkout https://github.com/Kitura/Kitura-MustacheTemplateEngine.git at 1.8.200
Fetching https://github.com/IBM-Swift-Sunset/GRMustache.swift
Fetching https://github.com/Kitura/Kitura-TemplateEngine.git
[1/11009] Fetching grmustache.swift
[112/11447] Fetching grmustache.swift, kitura-templateengine
Fetched https://github.com/IBM-Swift-Sunset/GRMustache.swift from cache (1.23s)
Fetched https://github.com/Kitura/Kitura-TemplateEngine.git from cache (1.23s)
Computing version for https://github.com/IBM-Swift-Sunset/GRMustache.swift
error: package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.3' to specify the current tools version
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Build
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Selected platform: macosSpm
Swift version: 6.3
Building package at path: $PWD
https://github.com/Kitura/Kitura-MustacheTemplateEngine.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Updating https://github.com/IBM-Swift-Sunset/GRMustache.swift
Updating https://github.com/Kitura/Kitura-TemplateEngine.git
Updated https://github.com/Kitura/Kitura-TemplateEngine.git (0.45s)
Updated https://github.com/IBM-Swift-Sunset/GRMustache.swift (0.45s)
Computing version for https://github.com/IBM-Swift-Sunset/GRMustache.swift
error: package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.3' to specify the current tools version
BUILD FAILURE 6.3 macosSpm