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Build Information

Successful build of ChessKit, reference 1.3.7 (220b4b), with Swift 6.1 for macOS (SPM) on 19 May 2025 07:02:28 UTC.

Swift 6 data race errors: 4

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: 4.61.4
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/aperechnev/ChessKit.git
Reference: 1.3.7
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/aperechnev/ChessKit
 * tag               1.3.7      -> FETCH_HEAD
HEAD is now at 220b4b0 Merge branch 'release/1.3.7'
Cloned https://github.com/aperechnev/ChessKit.git
Revision (git rev-parse @):
220b4b0a9561abd2bd904446d8429a3ca239c0ef
SUCCESS checkout https://github.com/aperechnev/ChessKit.git at 1.3.7
========================================
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": "chesskit",
      "name": "ChessKit",
      "url": "https://github.com/aperechnev/ChessKit.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/ChessKit",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/aperechnev/ChessKit.git
[1/1713] Fetching chesskit
Fetched https://github.com/aperechnev/ChessKit.git from cache (1.03s)
Creating working copy for https://github.com/aperechnev/ChessKit.git
Working copy of https://github.com/aperechnev/ChessKit.git resolved at 1.3.7 (220b4b0)
warning: '.resolve-product-dependencies': dependency 'chesskit' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/aperechnev/ChessKit.git
https://github.com/aperechnev/ChessKit.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "ChessKit",
  "name" : "ChessKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "ChessKit",
      "targets" : [
        "ChessKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ChessKitTests",
      "module_type" : "SwiftTarget",
      "name" : "ChessKitTests",
      "path" : "Tests/ChessKitTests",
      "sources" : [
        "BoardTest.swift",
        "FenSerializationTests.swift",
        "GameTests.swift",
        "MoveTests.swift",
        "Performance/BoardPerformanceTests.swift",
        "PieceColorTests.swift",
        "PieceTests.swift",
        "PositionTests.swift",
        "RaysTests.swift",
        "RealGamesTests.swift",
        "Rules/Standard/BishopMovesTests.swift",
        "Rules/Standard/CheckMovesTests.swift",
        "Rules/Standard/CheckmateTests.swift",
        "Rules/Standard/KingMovesTests.swift",
        "Rules/Standard/KnightMovesTests.swift",
        "Rules/Standard/MovesTests.swift",
        "Rules/Standard/PawnMovesTests.swift",
        "Rules/Standard/QueenMovesTests.swift",
        "Rules/Standard/RookMovesTests.swift",
        "Rules/Standard/StandardRulesTests.swift",
        "SanSerializationTests.swift",
        "SquareTest.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "ChessKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ChessKit",
      "module_type" : "SwiftTarget",
      "name" : "ChessKit",
      "path" : "Sources/ChessKit",
      "product_memberships" : [
        "ChessKit"
      ],
      "sources" : [
        "Board/Bitboards.swift",
        "Board/Board.swift",
        "Board/Square.swift",
        "FenSerialization.swift",
        "Game.swift",
        "Move.swift",
        "Piece/Piece.swift",
        "Piece/PieceColor.swift",
        "Piece/PieceKind.swift",
        "Position.swift",
        "Rays.swift",
        "Rules/Piece Moving/BishopMoving.swift",
        "Rules/Piece Moving/KingMoving.swift",
        "Rules/Piece Moving/KnightMoving.swift",
        "Rules/Piece Moving/LongRangeMoving.swift",
        "Rules/Piece Moving/MovingTranslations.swift",
        "Rules/Piece Moving/PawnMoving.swift",
        "Rules/Piece Moving/PieceMoving.swift",
        "Rules/Piece Moving/QueenMoving.swift",
        "Rules/Piece Moving/RangeMoving.swift",
        "Rules/Piece Moving/RookMoving.swift",
        "Rules/Piece Moving/ShortRangeMoving.swift",
        "Rules/Rules.swift",
        "Rules/StandardRules.swift",
        "SanSerialization.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.2"
}
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...
[0/2] Write sources
[1/2] Write swift-version-2F0A5646E1D333AE.txt
[3/26] Emitting module ChessKit
/Users/admin/builder/spi-builder-workspace/Sources/ChessKit/FenSerialization.swift:13:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'FenSerialization' may have shared mutable state; this is an error in the Swift 6 language mode
  8 |
  9 | /// FEN positions serialization and deserialization.
 10 | public class FenSerialization {
    |              `- note: class 'FenSerialization' does not conform to the 'Sendable' protocol
 11 |
 12 |     /// `FenSerialization` object with default settings.
 13 |     public static let `default` = FenSerialization()
    |                       |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'FenSerialization' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 14 |
 15 |     /**
/Users/admin/builder/spi-builder-workspace/Sources/ChessKit/Rays.swift:14:16: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'Rays' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | import Foundation
 9 |
10 | class Rays {
   |       `- note: class 'Rays' does not conform to the 'Sendable' protocol
11 |
12 |     private(set) var cross = [Bitboard:Bitboard]()
13 |
14 |     static let `default` = Rays()
   |                |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'Rays' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
15 |
16 |     init() {
/Users/admin/builder/spi-builder-workspace/Sources/ChessKit/Rules/Piece Moving/MovingTranslations.swift:11:16: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'MovingTranslations' may have shared mutable state; this is an error in the Swift 6 language mode
 7 | //
 8 |
 9 | class MovingTranslations {
   |       `- note: class 'MovingTranslations' does not conform to the 'Sendable' protocol
10 |
11 |     static let `default` = MovingTranslations()
   |                |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'MovingTranslations' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
12 |
13 |     private(set) lazy var diagonal = [
/Users/admin/builder/spi-builder-workspace/Sources/ChessKit/SanSerialization.swift:17:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'SanSerialization' may have shared mutable state; this is an error in the Swift 6 language mode
  9 |
 10 | /// SAN moves serialization and deserialization.
 11 | public class SanSerialization {
    |              `- note: class 'SanSerialization' does not conform to the 'Sendable' protocol
 12 |
 13 |     private let kCastlingKing = "O-O"
    :
 15 |
 16 |     /// `SanSerialization` object with default settings.
 17 |     public static let `default` = SanSerialization()
    |                       |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'SanSerialization' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 18 |
 19 |     // MARK: - Serialization
[4/28] Compiling ChessKit MovingTranslations.swift
/Users/admin/builder/spi-builder-workspace/Sources/ChessKit/Rules/Piece Moving/MovingTranslations.swift:11:16: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'MovingTranslations' may have shared mutable state; this is an error in the Swift 6 language mode
 7 | //
 8 |
 9 | class MovingTranslations {
   |       `- note: class 'MovingTranslations' does not conform to the 'Sendable' protocol
10 |
11 |     static let `default` = MovingTranslations()
   |                |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'MovingTranslations' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
12 |
13 |     private(set) lazy var diagonal = [
[5/28] Compiling ChessKit PawnMoving.swift
/Users/admin/builder/spi-builder-workspace/Sources/ChessKit/Rules/Piece Moving/MovingTranslations.swift:11:16: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'MovingTranslations' may have shared mutable state; this is an error in the Swift 6 language mode
 7 | //
 8 |
 9 | class MovingTranslations {
   |       `- note: class 'MovingTranslations' does not conform to the 'Sendable' protocol
10 |
11 |     static let `default` = MovingTranslations()
   |                |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'MovingTranslations' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
12 |
13 |     private(set) lazy var diagonal = [
[6/28] Compiling ChessKit KingMoving.swift
[7/28] Compiling ChessKit KnightMoving.swift
[8/28] Compiling ChessKit LongRangeMoving.swift
[9/28] Compiling ChessKit ShortRangeMoving.swift
[10/28] Compiling ChessKit Rules.swift
[11/28] Compiling ChessKit PieceMoving.swift
[12/28] Compiling ChessKit QueenMoving.swift
[13/28] Compiling ChessKit Bitboards.swift
[14/28] Compiling ChessKit Board.swift
[15/28] Compiling ChessKit Square.swift
[16/28] Compiling ChessKit RangeMoving.swift
[17/28] Compiling ChessKit RookMoving.swift
[18/28] Compiling ChessKit Piece.swift
[19/28] Compiling ChessKit PieceColor.swift
[20/28] Compiling ChessKit PieceKind.swift
[21/28] Compiling ChessKit FenSerialization.swift
/Users/admin/builder/spi-builder-workspace/Sources/ChessKit/FenSerialization.swift:13:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'FenSerialization' may have shared mutable state; this is an error in the Swift 6 language mode
  8 |
  9 | /// FEN positions serialization and deserialization.
 10 | public class FenSerialization {
    |              `- note: class 'FenSerialization' does not conform to the 'Sendable' protocol
 11 |
 12 |     /// `FenSerialization` object with default settings.
 13 |     public static let `default` = FenSerialization()
    |                       |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'FenSerialization' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 14 |
 15 |     /**
[22/28] Compiling ChessKit Game.swift
/Users/admin/builder/spi-builder-workspace/Sources/ChessKit/FenSerialization.swift:13:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'FenSerialization' may have shared mutable state; this is an error in the Swift 6 language mode
  8 |
  9 | /// FEN positions serialization and deserialization.
 10 | public class FenSerialization {
    |              `- note: class 'FenSerialization' does not conform to the 'Sendable' protocol
 11 |
 12 |     /// `FenSerialization` object with default settings.
 13 |     public static let `default` = FenSerialization()
    |                       |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'FenSerialization' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 14 |
 15 |     /**
[23/28] Compiling ChessKit Move.swift
/Users/admin/builder/spi-builder-workspace/Sources/ChessKit/FenSerialization.swift:13:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'FenSerialization' may have shared mutable state; this is an error in the Swift 6 language mode
  8 |
  9 | /// FEN positions serialization and deserialization.
 10 | public class FenSerialization {
    |              `- note: class 'FenSerialization' does not conform to the 'Sendable' protocol
 11 |
 12 |     /// `FenSerialization` object with default settings.
 13 |     public static let `default` = FenSerialization()
    |                       |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'FenSerialization' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 14 |
 15 |     /**
[24/28] Compiling ChessKit StandardRules.swift
/Users/admin/builder/spi-builder-workspace/Sources/ChessKit/SanSerialization.swift:17:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'SanSerialization' may have shared mutable state; this is an error in the Swift 6 language mode
  9 |
 10 | /// SAN moves serialization and deserialization.
 11 | public class SanSerialization {
    |              `- note: class 'SanSerialization' does not conform to the 'Sendable' protocol
 12 |
 13 |     private let kCastlingKing = "O-O"
    :
 15 |
 16 |     /// `SanSerialization` object with default settings.
 17 |     public static let `default` = SanSerialization()
    |                       |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'SanSerialization' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 18 |
 19 |     // MARK: - Serialization
[25/28] Compiling ChessKit SanSerialization.swift
/Users/admin/builder/spi-builder-workspace/Sources/ChessKit/SanSerialization.swift:17:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'SanSerialization' may have shared mutable state; this is an error in the Swift 6 language mode
  9 |
 10 | /// SAN moves serialization and deserialization.
 11 | public class SanSerialization {
    |              `- note: class 'SanSerialization' does not conform to the 'Sendable' protocol
 12 |
 13 |     private let kCastlingKing = "O-O"
    :
 15 |
 16 |     /// `SanSerialization` object with default settings.
 17 |     public static let `default` = SanSerialization()
    |                       |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'SanSerialization' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 18 |
 19 |     // MARK: - Serialization
[26/28] Compiling ChessKit Position.swift
/Users/admin/builder/spi-builder-workspace/Sources/ChessKit/Rays.swift:14:16: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'Rays' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | import Foundation
 9 |
10 | class Rays {
   |       `- note: class 'Rays' does not conform to the 'Sendable' protocol
11 |
12 |     private(set) var cross = [Bitboard:Bitboard]()
13 |
14 |     static let `default` = Rays()
   |                |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'Rays' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
15 |
16 |     init() {
[27/28] Compiling ChessKit Rays.swift
/Users/admin/builder/spi-builder-workspace/Sources/ChessKit/Rays.swift:14:16: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'Rays' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | import Foundation
 9 |
10 | class Rays {
   |       `- note: class 'Rays' does not conform to the 'Sendable' protocol
11 |
12 |     private(set) var cross = [Bitboard:Bitboard]()
13 |
14 |     static let `default` = Rays()
   |                |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'Rays' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
15 |
16 |     init() {
[28/28] Compiling ChessKit BishopMoving.swift
/Users/admin/builder/spi-builder-workspace/Sources/ChessKit/Rays.swift:14:16: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'Rays' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | import Foundation
 9 |
10 | class Rays {
   |       `- note: class 'Rays' does not conform to the 'Sendable' protocol
11 |
12 |     private(set) var cross = [Bitboard:Bitboard]()
13 |
14 |     static let `default` = Rays()
   |                |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'Rays' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
15 |
16 |     init() {
Build complete! (4.50s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "ChessKit",
  "name" : "ChessKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "ChessKit",
      "targets" : [
        "ChessKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ChessKitTests",
      "module_type" : "SwiftTarget",
      "name" : "ChessKitTests",
      "path" : "Tests/ChessKitTests",
      "sources" : [
        "BoardTest.swift",
        "FenSerializationTests.swift",
        "GameTests.swift",
        "MoveTests.swift",
        "Performance/BoardPerformanceTests.swift",
        "PieceColorTests.swift",
        "PieceTests.swift",
        "PositionTests.swift",
        "RaysTests.swift",
        "RealGamesTests.swift",
        "Rules/Standard/BishopMovesTests.swift",
        "Rules/Standard/CheckMovesTests.swift",
        "Rules/Standard/CheckmateTests.swift",
        "Rules/Standard/KingMovesTests.swift",
        "Rules/Standard/KnightMovesTests.swift",
        "Rules/Standard/MovesTests.swift",
        "Rules/Standard/PawnMovesTests.swift",
        "Rules/Standard/QueenMovesTests.swift",
        "Rules/Standard/RookMovesTests.swift",
        "Rules/Standard/StandardRulesTests.swift",
        "SanSerializationTests.swift",
        "SquareTest.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "ChessKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ChessKit",
      "module_type" : "SwiftTarget",
      "name" : "ChessKit",
      "path" : "Sources/ChessKit",
      "product_memberships" : [
        "ChessKit"
      ],
      "sources" : [
        "Board/Bitboards.swift",
        "Board/Board.swift",
        "Board/Square.swift",
        "FenSerialization.swift",
        "Game.swift",
        "Move.swift",
        "Piece/Piece.swift",
        "Piece/PieceColor.swift",
        "Piece/PieceKind.swift",
        "Position.swift",
        "Rays.swift",
        "Rules/Piece Moving/BishopMoving.swift",
        "Rules/Piece Moving/KingMoving.swift",
        "Rules/Piece Moving/KnightMoving.swift",
        "Rules/Piece Moving/LongRangeMoving.swift",
        "Rules/Piece Moving/MovingTranslations.swift",
        "Rules/Piece Moving/PawnMoving.swift",
        "Rules/Piece Moving/PieceMoving.swift",
        "Rules/Piece Moving/QueenMoving.swift",
        "Rules/Piece Moving/RangeMoving.swift",
        "Rules/Piece Moving/RookMoving.swift",
        "Rules/Piece Moving/ShortRangeMoving.swift",
        "Rules/Rules.swift",
        "Rules/StandardRules.swift",
        "SanSerialization.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.2"
}
Done.