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Build Information

Successful build of Saga, reference main (cb4ccf), with Swift 6.1 for macOS (SPM) on 24 Jun 2025 10:29:23 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: 4.64.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/loopwerk/Saga.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/loopwerk/Saga
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at cb4ccf5 chore: Create the docs on tag, not on release
Cloned https://github.com/loopwerk/Saga.git
Revision (git rev-parse @):
cb4ccf56496177d443e7bd6585a8a2af64fa0541
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/loopwerk/Saga.git at main
Fetching https://github.com/kylef/PathKit
[1/1411] Fetching pathkit
Fetched https://github.com/kylef/PathKit from cache (0.93s)
Computing version for https://github.com/kylef/PathKit
Computed https://github.com/kylef/PathKit at 1.0.1 (3.61s)
Fetching https://github.com/kylef/Spectre.git
[1/1021] Fetching spectre
Fetched https://github.com/kylef/Spectre.git from cache (1.45s)
Computing version for https://github.com/kylef/Spectre.git
Computed https://github.com/kylef/Spectre.git at 0.10.1 (2.11s)
Creating working copy for https://github.com/kylef/PathKit
Working copy of https://github.com/kylef/PathKit resolved at 1.0.1
Creating working copy for https://github.com/kylef/Spectre.git
Working copy of https://github.com/kylef/Spectre.git resolved at 0.10.1
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "saga",
      "name": "Saga",
      "url": "https://github.com/loopwerk/Saga.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Saga",
      "dependencies": [
        {
          "identity": "pathkit",
          "name": "PathKit",
          "url": "https://github.com/kylef/PathKit",
          "version": "1.0.1",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/PathKit",
          "dependencies": [
            {
              "identity": "spectre",
              "name": "Spectre",
              "url": "https://github.com/kylef/Spectre.git",
              "version": "0.10.1",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Spectre",
              "dependencies": [
              ]
            }
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/loopwerk/Saga.git
[1/3020] Fetching saga
Fetched https://github.com/loopwerk/Saga.git from cache (1.04s)
Fetching https://github.com/kylef/PathKit from cache
Fetched https://github.com/kylef/PathKit from cache (0.43s)
Computing version for https://github.com/kylef/PathKit
Computed https://github.com/kylef/PathKit at 1.0.1 (0.48s)
Fetching https://github.com/kylef/Spectre.git from cache
Fetched https://github.com/kylef/Spectre.git from cache (0.41s)
Computing version for https://github.com/kylef/Spectre.git
Computed https://github.com/kylef/Spectre.git at 0.10.1 (0.48s)
Creating working copy for https://github.com/kylef/PathKit
Working copy of https://github.com/kylef/PathKit resolved at 1.0.1
Creating working copy for https://github.com/loopwerk/Saga.git
Working copy of https://github.com/loopwerk/Saga.git resolved at main (cb4ccf5)
Creating working copy for https://github.com/kylef/Spectre.git
Working copy of https://github.com/kylef/Spectre.git resolved at 0.10.1
Found 1 product dependencies
  - PathKit
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/loopwerk/Saga.git
https://github.com/loopwerk/Saga.git
{
  "dependencies" : [
    {
      "identity" : "pathkit",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.1",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/kylef/PathKit"
    }
  ],
  "manifest_display_name" : "Saga",
  "name" : "Saga",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "12.0"
    }
  ],
  "products" : [
    {
      "name" : "Saga",
      "targets" : [
        "Saga"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "watch",
      "targets" : [
        "SagaCLI"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SagaTests",
      "module_type" : "SwiftTarget",
      "name" : "SagaTests",
      "path" : "Tests/SagaTests",
      "sources" : [
        "SagaTests.swift"
      ],
      "target_dependencies" : [
        "Saga"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SagaCLI",
      "module_type" : "SwiftTarget",
      "name" : "SagaCLI",
      "path" : "Sources/SagaCLI",
      "product_dependencies" : [
        "PathKit"
      ],
      "product_memberships" : [
        "watch"
      ],
      "sources" : [
        "main.swift"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "Saga",
      "module_type" : "SwiftTarget",
      "name" : "Saga",
      "path" : "Sources/Saga",
      "product_dependencies" : [
        "PathKit"
      ],
      "product_memberships" : [
        "Saga"
      ],
      "sources" : [
        "Atom.swift",
        "FileContainer.swift",
        "FileIO.swift",
        "Item.swift",
        "ItemWriteMode.swift",
        "MetadataDecoder.swift",
        "Path+Extensions.swift",
        "ProcessingStep.swift",
        "Reader.swift",
        "RenderingContexts.swift",
        "Saga.swift",
        "String+Slugify.swift",
        "Writer.swift",
        "utils.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...
[0/8] Write sources
[3/8] Write watch-entitlement.plist
[4/8] Write swift-version-2F0A5646E1D333AE.txt
[6/10] Emitting module PathKit
[7/10] Compiling PathKit PathKit.swift
[8/26] Compiling Saga String+Slugify.swift
[9/27] Compiling Saga Reader.swift
[10/27] Compiling Saga utils.swift
[11/27] Compiling SagaCLI main.swift
[12/27] Emitting module SagaCLI
[12/27] Write Objects.LinkFileList
[14/27] Compiling Saga RenderingContexts.swift
[15/27] Compiling Saga Saga.swift
/Users/admin/builder/spi-builder-workspace/Sources/Saga/Saga.swift:110:15: warning: sending value of non-Sendable type '() async throws -> Void' risks causing data races; this is an error in the Swift 6 language mode
108 |     try await withThrowingTaskGroup(of: Void.self) { group in
109 |       for step in processSteps {
110 |         group.addTask {
    |               |- warning: sending value of non-Sendable type '() async throws -> Void' risks causing data races; this is an error in the Swift 6 language mode
    |               |- note: Passing value of non-Sendable type '() async throws -> Void' as a 'sending' argument risks causing races in between local and caller code
    |               `- note: access can happen concurrently
111 |           try await step.runWriters()
112 |         }
/Users/admin/builder/spi-builder-workspace/Sources/Saga/Saga.swift:135:23: warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
133 |     try await withThrowingTaskGroup(of: Void.self) { group in
134 |       for path in unhandledPaths {
135 |         group.addTask {
    |                       `- warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
136 |           let relativePath = try path.relativePath(from: self.inputPath)
    |                                  `- note: closure captures 'path' which is accessible to code in the current task
137 |           let input = path
138 |           let output = self.outputPath + relativePath
[16/27] Compiling Saga Writer.swift
/Users/admin/builder/spi-builder-workspace/Sources/Saga/Writer.swift:27:25: warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
 25 |       try await withThrowingTaskGroup(of: Void.self) { group in
 26 |         for item in items {
 27 |           group.addTask {
    |                         `- warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
 28 |             // Resources are unhandled files in the same folder. These could be images for example, or other static files.
 29 |             let resources = fileStorage
    |                             `- note: closure captures non-Sendable 'fileStorage'
 30 |               .filter { $0.relativePath.parent() == item.relativeSource.parent() && !$0.handled }
    |                                                     `- note: closure captures non-Sendable 'item'
 31 |               .map { $0.path }
 32 |             let context = ItemRenderingContext(item: item, items: items, allItems: allItems, resources: resources)
    |                                                                   |                `- note: closure captures non-Sendable 'allItems'
    |                                                                   `- note: closure captures non-Sendable 'items'
 33 |             let stringToWrite = try await renderer(context)
    |                                           `- note: closure captures non-Sendable 'renderer'
 34 |             try fileIO.write(outputRoot + item.relativeDestination, stringToWrite)
    |                 |            `- note: closure captures non-Sendable 'outputRoot'
    |                 `- note: closure captures non-Sendable 'fileIO'
 35 |           }
 36 |         }
/Users/admin/builder/spi-builder-workspace/Sources/Saga/Writer.swift:63:25: warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
 61 |       try await withThrowingTaskGroup(of: Void.self) { group in
 62 |         for (key, itemsInPartition) in Array(partitions).sorted(by: { $0.0 < $1.0 }) {
 63 |           group.addTask {
    |                         `- warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
 64 |             let finishedOutputPath = Path(output.string.replacingOccurrences(of: "[key]", with: "\(key.slugified)"))
 65 |             let finishedPaginatedOutputPath = Path(paginatedOutput.string.replacingOccurrences(of: "[key]", with: "\(key.slugified)"))
 66 |             try await writePages(renderer: renderer, items: itemsInPartition, allItems: allItems, outputRoot: outputRoot, outputPrefix: outputPrefix, output: finishedOutputPath, paginate: paginate, paginatedOutput: finishedPaginatedOutputPath, fileIO: fileIO) {
    |                                                                                                                                                                                                                                                             `- note: closure captures 'fileIO' which is accessible to code in the current task
 67 |               PartitionedRenderingContext(key: key, items: $0, allItems: $1, paginator: $2, outputPath: $3)
 68 |             }
/Users/admin/builder/spi-builder-workspace/Sources/Saga/Writer.swift:148:25: warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
146 |       try await withThrowingTaskGroup(of: Void.self) { group in
147 |         for (index, items) in ranges.enumerated() {
148 |           group.addTask {
    |                         `- warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
149 |             let currentPage = index + 1
150 |             let previousPage = Path(paginatedOutput.string.replacingOccurrences(of: "[page]", with: "\(currentPage - 1)")).makeOutputPath(itemWriteMode: .keepAsFile)
    |                                     `- note: closure captures non-Sendable 'paginatedOutput'
151 |             let nextPage = Path(paginatedOutput.string.replacingOccurrences(of: "[page]", with: "\(currentPage + 1)")).makeOutputPath(itemWriteMode: .keepAsFile)
152 |
    :
155 |               itemsPerPage: perPage,
156 |               numberOfPages: numberOfPages,
157 |               previous: currentPage == 1 ? nil : (outputPrefix + previousPage),
    |                                                   `- note: closure captures non-Sendable 'outputPrefix'
158 |               next: currentPage == numberOfPages ? nil : (outputPrefix + nextPage)
159 |             )
160 |
161 |             let finishedOutputPath = Path(paginatedOutput.string.replacingOccurrences(of: "[page]", with: "\(currentPage)"))
162 |             let context = getContext(items, allItems, paginator, outputPrefix + finishedOutputPath)
    |                           |          |      `- note: closure captures non-Sendable 'allItems'
    |                           |          `- note: closure captures non-Sendable 'items'
    |                           `- note: closure captures non-Sendable 'getContext'
163 |             let stringToWrite = try await renderer(context)
    |                                           `- note: closure captures non-Sendable 'renderer'
164 |             try fileIO.write(outputRoot + outputPrefix + finishedOutputPath, stringToWrite)
    |                 |            `- note: closure captures non-Sendable 'outputRoot'
    |                 `- note: closure captures non-Sendable 'fileIO'
165 |           }
166 |         }
[17/27] Compiling Saga ItemWriteMode.swift
[18/27] Compiling Saga MetadataDecoder.swift
[19/27] Emitting module Saga
/Users/admin/builder/spi-builder-workspace/Sources/Saga/FileIO.swift:18:14: warning: static property 'diskAccess' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
16 | public extension FileIO {
17 |   /// The default version of `FileIO`, which uses PathKit.
18 |   static var diskAccess = Self(
   |              |- warning: static property 'diskAccess' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |              |- note: convert 'diskAccess' to a 'let' constant to make 'Sendable' shared state immutable
   |              |- note: add '@MainActor' to make static property 'diskAccess' part of global actor 'MainActor'
   |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
19 |     resolveSwiftPackageFolder: { path in try path.resolveSwiftPackageFolder() },
20 |     findFiles: { try $0.recursiveChildren().filter(\.isFile) },
/Users/admin/builder/spi-builder-workspace/Sources/Saga/Path+Extensions.swift:52:3: warning: extension declares a conformance of imported type 'Path' to imported protocol 'Decodable'; this will not behave correctly if the owners of 'PathKit' introduce this conformance in the future
50 |   }
51 | #else
52 |   extension Path: Decodable {
   |   |- warning: extension declares a conformance of imported type 'Path' to imported protocol 'Decodable'; this will not behave correctly if the owners of 'PathKit' introduce this conformance in the future
   |   `- note: add '@retroactive' to silence this warning
53 |     public init(from decoder: Decoder) throws {
54 |       let container = try decoder.singleValueContainer()
[20/27] Compiling Saga Atom.swift
[21/27] Compiling Saga FileContainer.swift
[22/27] Compiling Saga FileIO.swift
/Users/admin/builder/spi-builder-workspace/Sources/Saga/FileIO.swift:18:14: warning: static property 'diskAccess' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
16 | public extension FileIO {
17 |   /// The default version of `FileIO`, which uses PathKit.
18 |   static var diskAccess = Self(
   |              |- warning: static property 'diskAccess' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |              |- note: convert 'diskAccess' to a 'let' constant to make 'Sendable' shared state immutable
   |              |- note: add '@MainActor' to make static property 'diskAccess' part of global actor 'MainActor'
   |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
19 |     resolveSwiftPackageFolder: { path in try path.resolveSwiftPackageFolder() },
20 |     findFiles: { try $0.recursiveChildren().filter(\.isFile) },
[23/27] Compiling Saga Item.swift
/Users/admin/builder/spi-builder-workspace/Sources/Saga/FileIO.swift:18:14: warning: static property 'diskAccess' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
16 | public extension FileIO {
17 |   /// The default version of `FileIO`, which uses PathKit.
18 |   static var diskAccess = Self(
   |              |- warning: static property 'diskAccess' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |              |- note: convert 'diskAccess' to a 'let' constant to make 'Sendable' shared state immutable
   |              |- note: add '@MainActor' to make static property 'diskAccess' part of global actor 'MainActor'
   |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
19 |     resolveSwiftPackageFolder: { path in try path.resolveSwiftPackageFolder() },
20 |     findFiles: { try $0.recursiveChildren().filter(\.isFile) },
[24/27] Compiling Saga Path+Extensions.swift
/Users/admin/builder/spi-builder-workspace/Sources/Saga/Path+Extensions.swift:52:3: warning: extension declares a conformance of imported type 'Path' to imported protocol 'Decodable'; this will not behave correctly if the owners of 'PathKit' introduce this conformance in the future
50 |   }
51 | #else
52 |   extension Path: Decodable {
   |   |- warning: extension declares a conformance of imported type 'Path' to imported protocol 'Decodable'; this will not behave correctly if the owners of 'PathKit' introduce this conformance in the future
   |   `- note: add '@retroactive' to silence this warning
53 |     public init(from decoder: Decoder) throws {
54 |       let container = try decoder.singleValueContainer()
/Users/admin/builder/spi-builder-workspace/Sources/Saga/ProcessingStep.swift:42:29: warning: type 'Item<M>' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
 40 |
 41 |       // Process files in parallel with deterministic result ordering
 42 |       let items = try await withThrowingTaskGroup(of: (Int, Item<M>?).self) { group in
    |                             `- warning: type 'Item<M>' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
 43 |         for (index, container) in relevantContainers.enumerated() {
 44 |           group.addTask {
/Users/admin/builder/spi-builder-workspace/Sources/Saga/Item.swift:27:14: note: generic class 'Item' does not conform to the 'Sendable' protocol
25 | ///
26 | /// An item can be any text file (like a Markdown or RestructedText file). ``Reader``s will turn the file into an ``Item``, and ``Writer``s will turn the ``Item`` into a `String` (for example HTML or RSS) to be written to disk.
27 | public class Item<M: Metadata>: AnyItem {
   |              `- note: generic class 'Item' does not conform to the 'Sendable' protocol
28 |   /// The absolute path of the file
29 |   public let absoluteSource: Path
/Users/admin/builder/spi-builder-workspace/Sources/Saga/ProcessingStep.swift:42:77: warning: type 'Item<M>' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
 40 |
 41 |       // Process files in parallel with deterministic result ordering
 42 |       let items = try await withThrowingTaskGroup(of: (Int, Item<M>?).self) { group in
    |                                                                             `- warning: type 'Item<M>' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
 43 |         for (index, container) in relevantContainers.enumerated() {
 44 |           group.addTask {
/Users/admin/builder/spi-builder-workspace/Sources/Saga/Item.swift:27:14: note: generic class 'Item' does not conform to the 'Sendable' protocol
25 | ///
26 | /// An item can be any text file (like a Markdown or RestructedText file). ``Reader``s will turn the file into an ``Item``, and ``Writer``s will turn the ``Item`` into a `String` (for example HTML or RSS) to be written to disk.
27 | public class Item<M: Metadata>: AnyItem {
   |              `- note: generic class 'Item' does not conform to the 'Sendable' protocol
28 |   /// The absolute path of the file
29 |   public let absoluteSource: Path
/Users/admin/builder/spi-builder-workspace/Sources/Saga/ProcessingStep.swift:44:17: warning: type 'Item<M>' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
 42 |       let items = try await withThrowingTaskGroup(of: (Int, Item<M>?).self) { group in
 43 |         for (index, container) in relevantContainers.enumerated() {
 44 |           group.addTask {
    |                 `- warning: type 'Item<M>' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
 45 |             // Pick the first reader that is able to work on this file, based on file extension
 46 |             guard let reader = step.readers.first(where: { $0.supportedExtensions.contains(container.path.extension ?? "") }) else {
/Users/admin/builder/spi-builder-workspace/Sources/Saga/Item.swift:27:14: note: generic class 'Item' does not conform to the 'Sendable' protocol
25 | ///
26 | /// An item can be any text file (like a Markdown or RestructedText file). ``Reader``s will turn the file into an ``Item``, and ``Writer``s will turn the ``Item`` into a `String` (for example HTML or RSS) to be written to disk.
27 | public class Item<M: Metadata>: AnyItem {
   |              `- note: generic class 'Item' does not conform to the 'Sendable' protocol
28 |   /// The absolute path of the file
29 |   public let absoluteSource: Path
/Users/admin/builder/spi-builder-workspace/Sources/Saga/ProcessingStep.swift:44:25: warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
 42 |       let items = try await withThrowingTaskGroup(of: (Int, Item<M>?).self) { group in
 43 |         for (index, container) in relevantContainers.enumerated() {
 44 |           group.addTask {
    |                         `- warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
 45 |             // Pick the first reader that is able to work on this file, based on file extension
 46 |             guard let reader = step.readers.first(where: { $0.supportedExtensions.contains(container.path.extension ?? "") }) else {
    :
 67 |                 title: partialItem.title ?? container.relativePath.lastComponentWithoutExtension,
 68 |                 body: partialItem.body,
 69 |                 date: date ?? fileIO.creationDate(container.path) ?? Date(),
    |                               `- note: closure captures 'fileIO' which is accessible to code in the current task
 70 |                 lastModified: fileIO.modificationDate(container.path) ?? Date(),
 71 |                 metadata: metadata
/Users/admin/builder/spi-builder-workspace/Sources/Saga/ProcessingStep.swift:119:25: warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
117 |       try await withThrowingTaskGroup(of: Void.self) { group in
118 |         for writer in step.writers {
119 |           group.addTask {
    |                         `- warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
120 |             try await writer.run(step.items, allItems, fileStorage, outputPath, step.folder ?? "", fileIO)
    |                                                                                                    `- note: closure captures 'fileIO' which is accessible to code in the current task
121 |           }
122 |         }
[25/27] Compiling Saga ProcessingStep.swift
/Users/admin/builder/spi-builder-workspace/Sources/Saga/Path+Extensions.swift:52:3: warning: extension declares a conformance of imported type 'Path' to imported protocol 'Decodable'; this will not behave correctly if the owners of 'PathKit' introduce this conformance in the future
50 |   }
51 | #else
52 |   extension Path: Decodable {
   |   |- warning: extension declares a conformance of imported type 'Path' to imported protocol 'Decodable'; this will not behave correctly if the owners of 'PathKit' introduce this conformance in the future
   |   `- note: add '@retroactive' to silence this warning
53 |     public init(from decoder: Decoder) throws {
54 |       let container = try decoder.singleValueContainer()
/Users/admin/builder/spi-builder-workspace/Sources/Saga/ProcessingStep.swift:42:29: warning: type 'Item<M>' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
 40 |
 41 |       // Process files in parallel with deterministic result ordering
 42 |       let items = try await withThrowingTaskGroup(of: (Int, Item<M>?).self) { group in
    |                             `- warning: type 'Item<M>' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
 43 |         for (index, container) in relevantContainers.enumerated() {
 44 |           group.addTask {
/Users/admin/builder/spi-builder-workspace/Sources/Saga/Item.swift:27:14: note: generic class 'Item' does not conform to the 'Sendable' protocol
25 | ///
26 | /// An item can be any text file (like a Markdown or RestructedText file). ``Reader``s will turn the file into an ``Item``, and ``Writer``s will turn the ``Item`` into a `String` (for example HTML or RSS) to be written to disk.
27 | public class Item<M: Metadata>: AnyItem {
   |              `- note: generic class 'Item' does not conform to the 'Sendable' protocol
28 |   /// The absolute path of the file
29 |   public let absoluteSource: Path
/Users/admin/builder/spi-builder-workspace/Sources/Saga/ProcessingStep.swift:42:77: warning: type 'Item<M>' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
 40 |
 41 |       // Process files in parallel with deterministic result ordering
 42 |       let items = try await withThrowingTaskGroup(of: (Int, Item<M>?).self) { group in
    |                                                                             `- warning: type 'Item<M>' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
 43 |         for (index, container) in relevantContainers.enumerated() {
 44 |           group.addTask {
/Users/admin/builder/spi-builder-workspace/Sources/Saga/Item.swift:27:14: note: generic class 'Item' does not conform to the 'Sendable' protocol
25 | ///
26 | /// An item can be any text file (like a Markdown or RestructedText file). ``Reader``s will turn the file into an ``Item``, and ``Writer``s will turn the ``Item`` into a `String` (for example HTML or RSS) to be written to disk.
27 | public class Item<M: Metadata>: AnyItem {
   |              `- note: generic class 'Item' does not conform to the 'Sendable' protocol
28 |   /// The absolute path of the file
29 |   public let absoluteSource: Path
/Users/admin/builder/spi-builder-workspace/Sources/Saga/ProcessingStep.swift:44:17: warning: type 'Item<M>' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
 42 |       let items = try await withThrowingTaskGroup(of: (Int, Item<M>?).self) { group in
 43 |         for (index, container) in relevantContainers.enumerated() {
 44 |           group.addTask {
    |                 `- warning: type 'Item<M>' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
 45 |             // Pick the first reader that is able to work on this file, based on file extension
 46 |             guard let reader = step.readers.first(where: { $0.supportedExtensions.contains(container.path.extension ?? "") }) else {
/Users/admin/builder/spi-builder-workspace/Sources/Saga/Item.swift:27:14: note: generic class 'Item' does not conform to the 'Sendable' protocol
25 | ///
26 | /// An item can be any text file (like a Markdown or RestructedText file). ``Reader``s will turn the file into an ``Item``, and ``Writer``s will turn the ``Item`` into a `String` (for example HTML or RSS) to be written to disk.
27 | public class Item<M: Metadata>: AnyItem {
   |              `- note: generic class 'Item' does not conform to the 'Sendable' protocol
28 |   /// The absolute path of the file
29 |   public let absoluteSource: Path
/Users/admin/builder/spi-builder-workspace/Sources/Saga/ProcessingStep.swift:44:25: warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
 42 |       let items = try await withThrowingTaskGroup(of: (Int, Item<M>?).self) { group in
 43 |         for (index, container) in relevantContainers.enumerated() {
 44 |           group.addTask {
    |                         `- warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
 45 |             // Pick the first reader that is able to work on this file, based on file extension
 46 |             guard let reader = step.readers.first(where: { $0.supportedExtensions.contains(container.path.extension ?? "") }) else {
    :
 67 |                 title: partialItem.title ?? container.relativePath.lastComponentWithoutExtension,
 68 |                 body: partialItem.body,
 69 |                 date: date ?? fileIO.creationDate(container.path) ?? Date(),
    |                               `- note: closure captures 'fileIO' which is accessible to code in the current task
 70 |                 lastModified: fileIO.modificationDate(container.path) ?? Date(),
 71 |                 metadata: metadata
/Users/admin/builder/spi-builder-workspace/Sources/Saga/ProcessingStep.swift:119:25: warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
117 |       try await withThrowingTaskGroup(of: Void.self) { group in
118 |         for writer in step.writers {
119 |           group.addTask {
    |                         `- warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
120 |             try await writer.run(step.items, allItems, fileStorage, outputPath, step.folder ?? "", fileIO)
    |                                                                                                    `- note: closure captures 'fileIO' which is accessible to code in the current task
121 |           }
122 |         }
[25/27] Linking watch
[26/27] Applying watch
Build complete! (8.94s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "pathkit",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.1",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/kylef/PathKit"
    }
  ],
  "manifest_display_name" : "Saga",
  "name" : "Saga",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "12.0"
    }
  ],
  "products" : [
    {
      "name" : "Saga",
      "targets" : [
        "Saga"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "watch",
      "targets" : [
        "SagaCLI"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SagaTests",
      "module_type" : "SwiftTarget",
      "name" : "SagaTests",
      "path" : "Tests/SagaTests",
      "sources" : [
        "SagaTests.swift"
      ],
      "target_dependencies" : [
        "Saga"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SagaCLI",
      "module_type" : "SwiftTarget",
      "name" : "SagaCLI",
      "path" : "Sources/SagaCLI",
      "product_dependencies" : [
        "PathKit"
      ],
      "product_memberships" : [
        "watch"
      ],
      "sources" : [
        "main.swift"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "Saga",
      "module_type" : "SwiftTarget",
      "name" : "Saga",
      "path" : "Sources/Saga",
      "product_dependencies" : [
        "PathKit"
      ],
      "product_memberships" : [
        "Saga"
      ],
      "sources" : [
        "Atom.swift",
        "FileContainer.swift",
        "FileIO.swift",
        "Item.swift",
        "ItemWriteMode.swift",
        "MetadataDecoder.swift",
        "Path+Extensions.swift",
        "ProcessingStep.swift",
        "Reader.swift",
        "RenderingContexts.swift",
        "Saga.swift",
        "String+Slugify.swift",
        "Writer.swift",
        "utils.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
Done.