The Swift Package Index logo.Swift Package Index

Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build KituraMustache, reference master (30a008), with Swift 6.1 for macOS (SPM) on 26 Apr 2025 04:24:19 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Kitura/Kitura-MustacheTemplateEngine.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Kitura/Kitura-MustacheTemplateEngine
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
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 master
Fetching https://github.com/Kitura/Kitura-TemplateEngine.git
Fetching https://github.com/IBM-Swift-Sunset/GRMustache.swift
[1/11009] Fetching grmustache.swift
[2/11447] Fetching grmustache.swift, kitura-templateengine
Fetched https://github.com/IBM-Swift-Sunset/GRMustache.swift from cache (1.11s)
Fetched https://github.com/Kitura/Kitura-TemplateEngine.git from cache (1.11s)
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: 6.1' to specify the current tools version
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/Kitura/Kitura-MustacheTemplateEngine.git
https://github.com/Kitura/Kitura-MustacheTemplateEngine.git
{
  "dependencies" : [
    {
      "identity" : "kitura-templateengine",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.200",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Kitura/Kitura-TemplateEngine.git"
    },
    {
      "identity" : "grmustache.swift",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.7.4",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/IBM-Swift-Sunset/GRMustache.swift"
    }
  ],
  "manifest_display_name" : "KituraMustache",
  "name" : "KituraMustache",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "KituraMustache",
      "targets" : [
        "KituraMustache"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "KituraMustache",
      "module_type" : "SwiftTarget",
      "name" : "KituraMustache",
      "path" : "Sources/KituraMustache",
      "product_dependencies" : [
        "KituraTemplateEngine",
        "Mustache"
      ],
      "product_memberships" : [
        "KituraMustache"
      ],
      "sources" : [
        "KituraMustacheTemplateEngine.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
Updating https://github.com/IBM-Swift-Sunset/GRMustache.swift
Updating https://github.com/Kitura/Kitura-TemplateEngine.git
Updated https://github.com/IBM-Swift-Sunset/GRMustache.swift (0.39s)
Updated https://github.com/Kitura/Kitura-TemplateEngine.git (0.42s)
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: 6.1' to specify the current tools version
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
Updating https://github.com/Kitura/Kitura-TemplateEngine.git
Updating https://github.com/IBM-Swift-Sunset/GRMustache.swift
Updated https://github.com/Kitura/Kitura-TemplateEngine.git (0.41s)
Updated https://github.com/IBM-Swift-Sunset/GRMustache.swift (0.41s)
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: 6.1' to specify the current tools version
BUILD FAILURE 6.1 macosSpm