Build Information
Successful build of FractalGenerators, reference main (3d2975), with Swift 6.4 for macOS (SPM) on 22 Sep 2026 23:41:05 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
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Kosikowski/fractal-generators.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Kosikowski/fractal-generators
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 3d29758 Removed NSColor usage and RealModule import.
Cloned https://github.com/Kosikowski/fractal-generators.git
Revision (git rev-parse @):
3d29758af739d5d7eb884a3fd182591e45d66d0d
SUCCESS checkout https://github.com/Kosikowski/fractal-generators.git at main
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.4
Building package at path: $PWD
https://github.com/Kosikowski/fractal-generators.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 / 155]
[Planning deferred tasks]
[33 / 61]
[36 / 62] _NumericsShims
[40 / 76]
[51 / 76] RealModule
[52 / 76] RealModule
[68 / 88] ComplexModule
[71 / 88] ComplexModule
[80 / 89] ComplexModule
[80 / 89] FractalGenerators
[88 / 164]
[91 / 164]
[99 / 164]
[101 / 164]
[102 / 164]
[107 / 164]
[109 / 164]
[111 / 164]
[114 / 164]
[119 / 164]
[122 / 164]
[124 / 164]
[125 / 164]
[135 / 164]
[137 / 164]
[138 / 164]
[141 / 164]
[143 / 164]
[155 / 164] FractalGenerators
[156 / 164] FractalGenerators
[164 / 164]
Build complete! (14.74 sec)
Fetching https://github.com/apple/swift-numerics.git
[1/6640] Fetching swift-numerics
Fetched https://github.com/apple/swift-numerics.git (1.78s)
Computing version for https://github.com/apple/swift-numerics.git
Computed https://github.com/apple/swift-numerics.git at 1.1.1 (2.37s)
Creating working copy for https://github.com/apple/swift-numerics.git
Working copy of https://github.com/apple/swift-numerics.git resolved at 1.1.1
/Users/admin/builder/spi-builder-workspace/Sources/FractalGenerators/Generators/CantorSetGenerator.swift:51:13: [1;33mwarning: [1;39minitialization of immutable value 'lineHeight' 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;36m49 |[0;0m let height = Int(parameters.size.height)
[0;36m50 |[0;0m let yCenter = Double(height) / 2.0
[0;36m51 |[0;0m let lineHeight = 20.0
[0;36m|[0;0m `- [1;33mwarning: [1;39minitialization of immutable value 'lineHeight' 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;36m52 |[0;0m let spacing = 30.0
[0;36m53 |[0;0m
[#NoUsage]: <https://docs.swift.org/compiler/documentation/diagnostics/no-usage>
/Users/admin/builder/spi-builder-workspace/Sources/FractalGenerators/Generators/HilbertCurveGenerator.swift:116:13: [1;33mwarning: [1;39minitialization of immutable value 'thirdStart' 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;36m114 |[0;0m
[0;36m115 |[0;0m // Transform points for the third quadrant
[0;36m116 |[0;0m let thirdStart = points.count
[0;36m|[0;0m `- [1;33mwarning: [1;39minitialization of immutable value 'thirdStart' 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;36m117 |[0;0m for i in startIndex ..< endIndex {
[0;36m118 |[0;0m points.append(CGPoint(x: points[i].x + Double(halfSize), y: points[i].y + Double(halfSize)))
[#NoUsage]: <https://docs.swift.org/compiler/documentation/diagnostics/no-usage>
/Users/admin/builder/spi-builder-workspace/Sources/FractalGenerators/Generators/FractalFlamesGenerator.swift:135:17: [1;33mwarning: [1;39minitialization of immutable value 'factor' 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;36m133 |[0;0m case 3:
[0;36m134 |[0;0m // Swirl variation
[0;36m135 |[0;0m let factor = 1.0 / (r + 0.0001)
[0;36m|[0;0m `- [1;33mwarning: [1;39minitialization of immutable value 'factor' 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;36m136 |[0;0m return CGPoint(x: x * cos(theta) - y * sin(theta), y: x * sin(theta) + y * cos(theta))
[0;36m137 |[0;0m default:
[#NoUsage]: <https://docs.swift.org/compiler/documentation/diagnostics/no-usage>
/Users/admin/builder/spi-builder-workspace/Sources/FractalGenerators/Core/GenericFractalView.swift:95:28: [1;33mwarning: [1;39mtreating a forced downcast to 'CGImage' as optional will never produce 'nil'[0;0m
[0;36m93 |[0;0m self.points = points
[0;36m94 |[0;0m } else if output is CGImage {
[0;36m95 |[0;0m image = output as! CGImage
[0;36m|[0;0m | | `- [1;39mnote: [1;39muse 'as?' to perform a conditional downcast to 'CGImage'[0;0m
[0;36m|[0;0m | `- [1;33mwarning: [1;39mtreating a forced downcast to 'CGImage' as optional will never produce 'nil'[0;0m
[0;36m|[0;0m `- [1;39mnote: [1;39madd parentheses around the cast to silence this warning[0;0m
[0;36m96 |[0;0m }
[0;36m97 |[0;0m }
/Users/admin/builder/spi-builder-workspace/Sources/FractalGenerators/Core/FractalFactory.swift:1060:9: [1;33mwarning: [1;39mdefault will never be executed[0;0m
[0;36m1058 |[0;0m case .fractalFlames:
[0;36m1059 |[0;0m return AnyView(FractalFactory.createFractalFlames())
[0;36m1060 |[0;0m default:
[0;36m|[0;0m `- [1;33mwarning: [1;39mdefault will never be executed[0;0m
[0;36m1061 |[0;0m return AnyView(Text("Not implemented yet"))
[0;36m1062 |[0;0m }
Build complete.
{
"dependencies" : [
{
"identity" : "swift-numerics",
"requirement" : {
"range" : [
{
"lower_bound" : "1.0.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-numerics.git"
}
],
"manifest_display_name" : "FractalGenerators",
"name" : "FractalGenerators",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "12.0"
},
{
"name" : "ios",
"version" : "15.0"
}
],
"products" : [
{
"name" : "FractalGenerators",
"targets" : [
"FractalGenerators"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "FractalGeneratorsTests",
"module_type" : "SwiftTarget",
"name" : "FractalGeneratorsTests",
"path" : "Tests/FractalGeneratorsTests",
"sources" : [
"FractalGeneratorsTests.swift"
],
"target_dependencies" : [
"FractalGenerators"
],
"type" : "test"
},
{
"c99name" : "FractalGenerators",
"module_type" : "SwiftTarget",
"name" : "FractalGenerators",
"path" : "Sources/FractalGenerators",
"product_dependencies" : [
"ComplexModule"
],
"product_memberships" : [
"FractalGenerators"
],
"sources" : [
"Core/FractalFactory.swift",
"Core/FractalProtocols.swift",
"Core/GenericFractalView.swift",
"Generators/ApollonianGasketGenerator.swift",
"Generators/BoxCountingGenerator.swift",
"Generators/BrownianMotionGenerator.swift",
"Generators/BuddhabrotGenerator.swift",
"Generators/BurningShipGenerator.swift",
"Generators/CantorDustGenerator.swift",
"Generators/CantorSetGenerator.swift",
"Generators/ChuaCircuitGenerator.swift",
"Generators/CliffordAttractorGenerator.swift",
"Generators/CoastlineGenerator.swift",
"Generators/ConwaysGameOfLifeGenerator.swift",
"Generators/DLAGenerator.swift",
"Generators/DeJongAttractorGenerator.swift",
"Generators/DiamondSquareGenerator.swift",
"Generators/DragonCurveGenerator.swift",
"Generators/FBMGenerator.swift",
"Generators/FractalFlamesGenerator.swift",
"Generators/GingerbreadmanMapGenerator.swift",
"Generators/GosperCurveGenerator.swift",
"Generators/HeighwayDragonGenerator.swift",
"Generators/HenonAttractorGenerator.swift",
"Generators/HilbertCurveGenerator.swift",
"Generators/IFSGenerator.swift",
"Generators/JuliaSetGenerator.swift",
"Generators/KochSnowflakeGenerator.swift",
"Generators/LangtonsAntGenerator.swift",
"Generators/LevyCCurveGenerator.swift",
"Generators/LevyFlightGenerator.swift",
"Generators/LightningPatternGenerator.swift",
"Generators/LogisticMapGenerator.swift",
"Generators/LorenzAttractorGenerator.swift",
"Generators/Mandelbrot2Generator.swift",
"Generators/MandelbrotGenerator.swift",
"Generators/MangerSpongeGenerator.swift",
"Generators/MengerCubeGenerator.swift",
"Generators/NewtonFractalGenerator.swift",
"Generators/PeanoCurveGenerator.swift",
"Generators/PerliniNoiseGenerator.swift",
"Generators/PlasmaFractalGenerator.swift",
"Generators/PythagoreanTreeGenerator.swift",
"Generators/RiverNetworkGenerator.swift",
"Generators/RomanescoBroccoliGenerator.swift",
"Generators/RosslerAttractorGenerator.swift",
"Generators/SierpinskiArrowheadGenerator.swift",
"Generators/SierpinskiCarpetGenerator.swift",
"Generators/SierpinskiTriangleGenerator.swift",
"Generators/SimplexNoiseGenerator.swift",
"Generators/SnowFlakeGenerator.swift",
"Generators/TreeBranchingGenerator.swift",
"Generators/TricornFractalGenerator.swift",
"Generators/VoronoiDiagramGenerator.swift"
],
"type" : "library"
}
],
"tools_version" : "5.10"
}
Done.