Build Information
Successful build of LucyEngine, reference main (b3520d), with Swift 6.4 for macOS (SPM) on 21 Sep 2026 08:00:58 UTC.
Swift 6 data race errors: 0
Build Command
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 5.1.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/Intron014/Lucy.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Intron014/Lucy
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at b3520d9 Workflows for testing
Cloned https://github.com/Intron014/Lucy.git
Revision (git rev-parse @):
b3520d9f7e469ac569062e648b70f6962b796952
SUCCESS checkout https://github.com/Intron014/Lucy.git at main
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Build
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Selected platform: macosSpm
Swift version: 6.4
Building package at path: $PWD
https://github.com/Intron014/Lucy.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Pre-planning 1 / 95]
[Planning deferred tasks]
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[25 / 41] LucyCore
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[65 / 81] LucyCore
[74 / 82] LucyEngine-product
[77 / 84] LucyEngine-product
[82 / 84] LucyEngine-product
Build complete! (7.60 sec)
/Users/admin/builder/spi-builder-workspace/Sources/LucyCore/Searcher.swift:25:22: [1;33mwarning: [1;39mresult of call to 'makeMove' is unused[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/no-usage\NoUsage]8;;\]
[0;36m23 |[0;0m for move in moves {
[0;36m24 |[0;0m var newBoard = board
[0;36m25 |[0;0m newBoard.makeMove(move)
[0;36m|[0;0m `- [1;33mwarning: [1;39mresult of call to 'makeMove' is unused[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/no-usage\NoUsage]8;;\]
[0;36m26 |[0;0m let (value, _) = minimax(board: newBoard, depth: depth - 1, maximizingPlayer: !maximizingPlayer)
[0;36m27 |[0;0m
[#NoUsage]: <https://docs.swift.org/compiler/documentation/diagnostics/no-usage>
/Users/admin/builder/spi-builder-workspace/Sources/LucyCore/LucyEngine.swift:56:23: [1;33mwarning: [1;39mresult of call to 'makeMove' is unused[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/no-usage\NoUsage]8;;\]
[0;36m54 |[0;0m if let movesIndex = args.firstIndex(of: "moves") {
[0;36m55 |[0;0m for move in args[(movesIndex + 1)...] {
[0;36m56 |[0;0m board.makeMove(Move(from: String(move)))
[0;36m|[0;0m `- [1;33mwarning: [1;39mresult of call to 'makeMove' is unused[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/no-usage\NoUsage]8;;\]
[0;36m57 |[0;0m }
[0;36m58 |[0;0m }
/Users/admin/builder/spi-builder-workspace/Sources/LucyCore/LucyEngine.swift:76:21: [1;33mwarning: [1;39minitialization of immutable value 'capturedType' was never used; consider replacing with assignment to '_' or removing it[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/no-usage\NoUsage]8;;\]
[0;36m74 |[0;0m if let capturedPiece = captured {
[0;36m75 |[0;0m let capturedColor = capturedPiece.color == .white ? "White" : "Black"
[0;36m76 |[0;0m let capturedType = capturedPiece.type == .man ? "man" : "king"
[0;36m|[0;0m `- [1;33mwarning: [1;39minitialization of immutable value 'capturedType' was never used; consider replacing with assignment to '_' or removing it[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/no-usage\NoUsage]8;;\]
[0;36m77 |[0;0m let toPosition = formatPosition(move.to)
[0;36m78 |[0;0m gameEvents.append("Move \(i): \(board.currentPlayer.description) captured a \(capturedColor) piece at \(toPosition)")
[#NoUsage]: <https://docs.swift.org/compiler/documentation/diagnostics/no-usage>
Build complete.
{
"dependencies" : [
],
"manifest_display_name" : "LucyEngine",
"name" : "LucyEngine",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "LucyEngine",
"targets" : [
"LucyEngine"
],
"type" : {
"executable" : null
}
},
{
"name" : "LucyCore",
"targets" : [
"LucyCore"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "LucyEngine",
"module_type" : "SwiftTarget",
"name" : "LucyEngine",
"path" : "Sources/LucyEngine",
"product_memberships" : [
"LucyEngine"
],
"sources" : [
"main.swift"
],
"target_dependencies" : [
"LucyCore"
],
"type" : "executable"
},
{
"c99name" : "LucyCore",
"module_type" : "SwiftTarget",
"name" : "LucyCore",
"path" : "Sources/LucyCore",
"product_memberships" : [
"LucyEngine",
"LucyCore"
],
"sources" : [
"Board.swift",
"LucyEngine.swift",
"Move.swift",
"Piece.swift",
"Searcher.swift"
],
"type" : "library"
}
],
"tools_version" : "5.8"
}
Done.