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

Successful build of SagaStencilRenderer, reference 0.5.0 (989603), with Swift 6.1 for macOS (SPM) on 30 Apr 2025 10:02:24 UTC.

Swift 6 data race errors: 1

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/loopwerk/SagaStencilRenderer.git
Reference: 0.5.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/loopwerk/SagaStencilRenderer
 * tag               0.5.0      -> FETCH_HEAD
HEAD is now at 9896030 fix: Fix README
Cloned https://github.com/loopwerk/SagaStencilRenderer.git
Revision (git rev-parse @):
9896030a035fbc0cdb9a11446e3c51ee0f6d7ac3
SUCCESS checkout https://github.com/loopwerk/SagaStencilRenderer.git at 0.5.0
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/loopwerk/SagaStencilRenderer.git
https://github.com/loopwerk/SagaStencilRenderer.git
{
  "dependencies" : [
    {
      "identity" : "saga",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/loopwerk/Saga"
    },
    {
      "identity" : "stencil",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.14.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/stencilproject/Stencil"
    }
  ],
  "manifest_display_name" : "SagaStencilRenderer",
  "name" : "SagaStencilRenderer",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "12.0"
    }
  ],
  "products" : [
    {
      "name" : "SagaStencilRenderer",
      "targets" : [
        "SagaStencilRenderer"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SagaStencilRenderer",
      "module_type" : "SwiftTarget",
      "name" : "SagaStencilRenderer",
      "path" : "Sources/SagaStencilRenderer",
      "product_dependencies" : [
        "Saga",
        "Stencil"
      ],
      "product_memberships" : [
        "SagaStencilRenderer"
      ],
      "sources" : [
        "SagaStencilRenderer.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
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
Building for debugging...
[0/6] Write sources
[5/6] Write swift-version-2F0A5646E1D333AE.txt
[7/10] Emitting module Codextended
[8/10] Compiling Codextended Codextended.swift
[9/10] Compiling PathKit PathKit.swift
[10/10] Emitting module PathKit
[11/46] Emitting module Stencil
[12/48] Compiling Stencil NowTag.swift
[13/48] Compiling Stencil Parser.swift
[14/48] Compiling Stencil LazyValueWrapper.swift
[15/48] Compiling Stencil Lexer.swift
[16/48] Compiling Stencil Loader.swift
[17/48] Compiling Stencil Node.swift
[18/48] Compiling Stencil IfTag.swift
[19/48] Compiling Stencil Include.swift
[20/48] Compiling Saga FileContainer.swift
[21/48] Compiling Saga FileIO.swift
[22/48] Compiling Stencil Errors.swift
[23/48] Compiling Stencil Expression.swift
[24/48] Compiling Stencil Extension.swift
[25/48] Compiling Stencil Inheritance.swift
[26/48] Compiling Stencil KeyPath.swift
[27/48] Compiling Stencil Context.swift
[28/48] Compiling Stencil DynamicMemberLookup.swift
[29/48] Compiling Stencil Environment.swift
[30/48] Compiling Stencil FilterTag.swift
[31/48] Compiling Stencil Filters.swift
[32/48] Compiling Stencil ForTag.swift
[33/48] Compiling Stencil TrimBehaviour.swift
[34/48] Compiling Stencil Variable.swift
[35/48] Compiling Saga String+Slugify.swift
[36/49] Compiling Saga utils.swift
[39/49] Compiling Saga Writer.swift
[40/49] Compiling Saga Reader.swift
[41/49] Compiling Saga RenderingContexts.swift
[42/49] Compiling Saga Saga.swift
[47/49] Emitting module Saga
[50/51] Emitting module SagaStencilRenderer
/Users/admin/builder/spi-builder-workspace/Sources/SagaStencilRenderer/SagaStencilRenderer.swift:4:12: warning: var 'defaultStencilEnvironment' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 2 | import Saga
 3 |
 4 | public var defaultStencilEnvironment = Environment()
   |            |- warning: var 'defaultStencilEnvironment' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |            |- note: convert 'defaultStencilEnvironment' to a 'let' constant to make 'Sendable' shared state immutable
   |            |- note: add '@MainActor' to make var 'defaultStencilEnvironment' part of global actor 'MainActor'
   |            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 5 |
 6 | public func stencil(_ template: String, environment: Environment? = nil) -> ((RenderingContext) throws -> String) {
[51/51] Compiling SagaStencilRenderer SagaStencilRenderer.swift
/Users/admin/builder/spi-builder-workspace/Sources/SagaStencilRenderer/SagaStencilRenderer.swift:4:12: warning: var 'defaultStencilEnvironment' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 2 | import Saga
 3 |
 4 | public var defaultStencilEnvironment = Environment()
   |            |- warning: var 'defaultStencilEnvironment' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |            |- note: convert 'defaultStencilEnvironment' to a 'let' constant to make 'Sendable' shared state immutable
   |            |- note: add '@MainActor' to make var 'defaultStencilEnvironment' part of global actor 'MainActor'
   |            `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 5 |
 6 | public func stencil(_ template: String, environment: Environment? = nil) -> ((RenderingContext) throws -> String) {
Build complete! (18.18s)
Fetching https://github.com/loopwerk/Saga
Fetching https://github.com/stencilproject/Stencil
[1/2901] Fetching saga
[118/8194] Fetching saga, stencil
Fetched https://github.com/stencilproject/Stencil from cache (1.12s)
Fetched https://github.com/loopwerk/Saga from cache (1.12s)
Computing version for https://github.com/stencilproject/Stencil
Computed https://github.com/stencilproject/Stencil at 0.15.1 (1.71s)
Fetching https://github.com/kylef/Spectre.git
Fetching https://github.com/kylef/PathKit.git
[1/1021] Fetching spectre
[165/2432] Fetching spectre, pathkit
Fetched https://github.com/kylef/PathKit.git from cache (0.93s)
Fetched https://github.com/kylef/Spectre.git from cache (0.93s)
Computing version for https://github.com/kylef/Spectre.git
Computed https://github.com/kylef/Spectre.git at 0.10.1 (1.50s)
Computing version for https://github.com/kylef/PathKit.git
Computed https://github.com/kylef/PathKit.git at 1.0.1 (2.67s)
Computing version for https://github.com/loopwerk/Saga
Computed https://github.com/loopwerk/Saga at 1.7.1 (0.53s)
Fetching https://github.com/JohnSundell/Codextended.git
[1/181] Fetching codextended
Fetched https://github.com/JohnSundell/Codextended.git from cache (0.69s)
Computing version for https://github.com/JohnSundell/Codextended.git
Computed https://github.com/JohnSundell/Codextended.git at 0.3.0 (1.25s)
Creating working copy for https://github.com/kylef/PathKit.git
Working copy of https://github.com/kylef/PathKit.git resolved at 1.0.1
Creating working copy for https://github.com/JohnSundell/Codextended.git
Working copy of https://github.com/JohnSundell/Codextended.git resolved at 0.3.0
Creating working copy for https://github.com/kylef/Spectre.git
Working copy of https://github.com/kylef/Spectre.git resolved at 0.10.1
Creating working copy for https://github.com/stencilproject/Stencil
Working copy of https://github.com/stencilproject/Stencil resolved at 0.15.1
Creating working copy for https://github.com/loopwerk/Saga
Working copy of https://github.com/loopwerk/Saga resolved at 1.7.1
Build complete.
{
  "dependencies" : [
    {
      "identity" : "saga",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/loopwerk/Saga"
    },
    {
      "identity" : "stencil",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.14.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/stencilproject/Stencil"
    }
  ],
  "manifest_display_name" : "SagaStencilRenderer",
  "name" : "SagaStencilRenderer",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "12.0"
    }
  ],
  "products" : [
    {
      "name" : "SagaStencilRenderer",
      "targets" : [
        "SagaStencilRenderer"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SagaStencilRenderer",
      "module_type" : "SwiftTarget",
      "name" : "SagaStencilRenderer",
      "path" : "Sources/SagaStencilRenderer",
      "product_dependencies" : [
        "Saga",
        "Stencil"
      ],
      "product_memberships" : [
        "SagaStencilRenderer"
      ],
      "sources" : [
        "SagaStencilRenderer.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
Done.