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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 Euclid, reference main (067e21), with Swift 6.1 for Linux on 1 May 2025 09:39:30 UTC.

Swift 6 data race errors: 2

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -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 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.3
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/nicklockwood/Euclid.git
Reference: main
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/nicklockwood/Euclid
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 067e21d Update for 0.7.11 release
Cloned https://github.com/nicklockwood/Euclid.git
Revision (git rev-parse @):
067e21d20d523aa76211df8279ee5d92e9b27781
SUCCESS checkout https://github.com/nicklockwood/Euclid.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/nicklockwood/Euclid.git
https://github.com/nicklockwood/Euclid.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Euclid",
  "name" : "Euclid",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Euclid",
      "targets" : [
        "Euclid"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "EuclidTests",
      "module_type" : "SwiftTarget",
      "name" : "EuclidTests",
      "path" : "Tests",
      "sources" : [
        "AngleTests.swift",
        "BoundsTests.swift",
        "CGPathTests.swift",
        "CodingTests.swift",
        "Euclid+Testing.swift",
        "LineSegmentTests.swift",
        "LineTests.swift",
        "MeshCSGTests.swift",
        "MeshExportTests.swift",
        "MeshImportTests.swift",
        "MeshShapeTests.swift",
        "MeshTests.swift",
        "MetadataTests.swift",
        "PathShapeTests.swift",
        "PathTests.swift",
        "PlaneTests.swift",
        "PolygonCSGTests.swift",
        "PolygonTests.swift",
        "QuaternionTests.swift",
        "RealityKitTests.swift",
        "SceneKitTests.swift",
        "StretchableTests.swift",
        "TextTests.swift",
        "TransformTests.swift",
        "UtilityTests.swift",
        "VectorTests.swift"
      ],
      "target_dependencies" : [
        "Euclid"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Euclid",
      "module_type" : "SwiftTarget",
      "name" : "Euclid",
      "path" : "Sources",
      "product_memberships" : [
        "Euclid"
      ],
      "sources" : [
        "Angle.swift",
        "BSP.swift",
        "Bounds.swift",
        "Color.swift",
        "Euclid+AppKit.swift",
        "Euclid+CoreGraphics.swift",
        "Euclid+CoreText.swift",
        "Euclid+RealityKit.swift",
        "Euclid+SIMD.swift",
        "Euclid+SceneKit.swift",
        "Euclid+UIKit.swift",
        "Line.swift",
        "LineSegment+CSG.swift",
        "LineSegment.swift",
        "Mesh+CSG.swift",
        "Mesh+IO.swift",
        "Mesh+OBJ.swift",
        "Mesh+STL.swift",
        "Mesh+Shapes.swift",
        "Mesh+Texcoords.swift",
        "Mesh.swift",
        "Path+Shapes.swift",
        "Path.swift",
        "PathPoint.swift",
        "Plane.swift",
        "Polygon+CSG.swift",
        "Polygon.swift",
        "Quaternion.swift",
        "Rotation.swift",
        "Stretchable.swift",
        "Transforms.swift",
        "Utilities.swift",
        "Vector.swift",
        "Vertex.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -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 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/33] Emitting module Euclid
/host/spi-builder-workspace/Sources/Polygon.swift:127:16: warning: static property 'codableClasses' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 125 |
 126 |     /// Supported `NSSecureCodable` Material base classes.
 127 |     static var codableClasses: [AnyClass] = {
     |                |- warning: static property 'codableClasses' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: convert 'codableClasses' to a 'let' constant to make 'Sendable' shared state immutable
     |                |- note: add '@MainActor' to make static property 'codableClasses' part of global actor 'MainActor'
     |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 128 |         #if canImport(AppKit) || canImport(UIKit)
 129 |         return [OSImage.self, OSColor.self] + scnMaterialTypes
/host/spi-builder-workspace/Sources/Transforms.swift:215:16: warning: static property 'identity' is not concurrency-safe because non-'Sendable' type 'Transform' may have shared mutable state; this is an error in the Swift 6 language mode
123 | /// Working with intermediate transform objects instead of directly updating the vertex positions of a mesh
124 | /// is more efficient and avoids a buildup of rounding errors.
125 | public struct Transform: Hashable {
    |               `- note: consider making struct 'Transform' conform to the 'Sendable' protocol
126 |     /// The translation or position component of the transform.
127 |     public var offset: Vector
    :
213 | public extension Transform {
214 |     /// The identity transform (i.e. no transform).
215 |     static let identity = Transform()
    |                |- warning: static property 'identity' is not concurrency-safe because non-'Sendable' type 'Transform' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'identity' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
216 |
217 |     /// Creates a offset transform.
[4/37] Compiling Euclid Euclid+CoreGraphics.swift
[5/37] Compiling Euclid Euclid+CoreText.swift
[6/37] Compiling Euclid Euclid+RealityKit.swift
[7/37] Compiling Euclid Euclid+SIMD.swift
[8/37] Compiling Euclid Euclid+SceneKit.swift
[9/37] Compiling Euclid Mesh+Shapes.swift
[10/37] Compiling Euclid Mesh+Texcoords.swift
[11/37] Compiling Euclid Mesh.swift
[12/37] Compiling Euclid Path+Shapes.swift
[13/37] Compiling Euclid Transforms.swift
/host/spi-builder-workspace/Sources/Transforms.swift:215:16: warning: static property 'identity' is not concurrency-safe because non-'Sendable' type 'Transform' may have shared mutable state; this is an error in the Swift 6 language mode
123 | /// Working with intermediate transform objects instead of directly updating the vertex positions of a mesh
124 | /// is more efficient and avoids a buildup of rounding errors.
125 | public struct Transform: Hashable {
    |               `- note: consider making struct 'Transform' conform to the 'Sendable' protocol
126 |     /// The translation or position component of the transform.
127 |     public var offset: Vector
    :
213 | public extension Transform {
214 |     /// The identity transform (i.e. no transform).
215 |     static let identity = Transform()
    |                |- warning: static property 'identity' is not concurrency-safe because non-'Sendable' type 'Transform' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'identity' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
216 |
217 |     /// Creates a offset transform.
/host/spi-builder-workspace/Sources/Utilities.swift:750:22: warning: capture of 'fn' with non-sendable type '([T]) -> [U]' in a '@Sendable' closure; this is an error in the Swift 6 language mode
748 |     var a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x: [U]?
749 |     DispatchQueue.concurrentPerform(iterations: parts.count) { index in
750 |         let result = fn(parts[index])
    |                      |- warning: capture of 'fn' with non-sendable type '([T]) -> [U]' in a '@Sendable' closure; this is an error in the Swift 6 language mode
    |                      `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
751 |         switch index {
752 |         case 0: a = result
/host/spi-builder-workspace/Sources/Utilities.swift:750:25: warning: capture of 'parts' with non-sendable type '[[T]]' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |            `- note: consider making generic parameter 'T' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
748 |     var a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x: [U]?
749 |     DispatchQueue.concurrentPerform(iterations: parts.count) { index in
750 |         let result = fn(parts[index])
    |                         `- warning: capture of 'parts' with non-sendable type '[[T]]' in a '@Sendable' closure; this is an error in the Swift 6 language mode
751 |         switch index {
752 |         case 0: a = result
/host/spi-builder-workspace/Sources/Utilities.swift:752:17: warning: capture of 'a' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
750 |         let result = fn(parts[index])
751 |         switch index {
752 |         case 0: a = result
    |                 `- warning: capture of 'a' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
753 |         case 1: b = result
754 |         case 2: c = result
/host/spi-builder-workspace/Sources/Utilities.swift:753:17: warning: capture of 'b' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
751 |         switch index {
752 |         case 0: a = result
753 |         case 1: b = result
    |                 `- warning: capture of 'b' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
754 |         case 2: c = result
755 |         case 3: d = result
/host/spi-builder-workspace/Sources/Utilities.swift:754:17: warning: capture of 'c' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
752 |         case 0: a = result
753 |         case 1: b = result
754 |         case 2: c = result
    |                 `- warning: capture of 'c' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
755 |         case 3: d = result
756 |         case 4: e = result
/host/spi-builder-workspace/Sources/Utilities.swift:755:17: warning: capture of 'd' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
753 |         case 1: b = result
754 |         case 2: c = result
755 |         case 3: d = result
    |                 `- warning: capture of 'd' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
756 |         case 4: e = result
757 |         case 5: f = result
/host/spi-builder-workspace/Sources/Utilities.swift:756:17: warning: capture of 'e' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
754 |         case 2: c = result
755 |         case 3: d = result
756 |         case 4: e = result
    |                 `- warning: capture of 'e' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
757 |         case 5: f = result
758 |         case 6: g = result
/host/spi-builder-workspace/Sources/Utilities.swift:757:17: warning: capture of 'f' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
755 |         case 3: d = result
756 |         case 4: e = result
757 |         case 5: f = result
    |                 `- warning: capture of 'f' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
758 |         case 6: g = result
759 |         case 7: h = result
/host/spi-builder-workspace/Sources/Utilities.swift:758:17: warning: capture of 'g' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
756 |         case 4: e = result
757 |         case 5: f = result
758 |         case 6: g = result
    |                 `- warning: capture of 'g' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
759 |         case 7: h = result
760 |         case 8: i = result
/host/spi-builder-workspace/Sources/Utilities.swift:759:17: warning: capture of 'h' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
757 |         case 5: f = result
758 |         case 6: g = result
759 |         case 7: h = result
    |                 `- warning: capture of 'h' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
760 |         case 8: i = result
761 |         case 9: j = result
/host/spi-builder-workspace/Sources/Utilities.swift:760:17: warning: capture of 'i' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
758 |         case 6: g = result
759 |         case 7: h = result
760 |         case 8: i = result
    |                 `- warning: capture of 'i' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
761 |         case 9: j = result
762 |         case 10: k = result
/host/spi-builder-workspace/Sources/Utilities.swift:761:17: warning: capture of 'j' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
759 |         case 7: h = result
760 |         case 8: i = result
761 |         case 9: j = result
    |                 `- warning: capture of 'j' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
762 |         case 10: k = result
763 |         case 11: l = result
/host/spi-builder-workspace/Sources/Utilities.swift:762:18: warning: capture of 'k' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
760 |         case 8: i = result
761 |         case 9: j = result
762 |         case 10: k = result
    |                  `- warning: capture of 'k' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
763 |         case 11: l = result
764 |         case 12: m = result
/host/spi-builder-workspace/Sources/Utilities.swift:763:18: warning: capture of 'l' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
761 |         case 9: j = result
762 |         case 10: k = result
763 |         case 11: l = result
    |                  `- warning: capture of 'l' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
764 |         case 12: m = result
765 |         case 13: n = result
/host/spi-builder-workspace/Sources/Utilities.swift:764:18: warning: capture of 'm' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
762 |         case 10: k = result
763 |         case 11: l = result
764 |         case 12: m = result
    |                  `- warning: capture of 'm' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
765 |         case 13: n = result
766 |         case 14: o = result
/host/spi-builder-workspace/Sources/Utilities.swift:765:18: warning: capture of 'n' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
763 |         case 11: l = result
764 |         case 12: m = result
765 |         case 13: n = result
    |                  `- warning: capture of 'n' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
766 |         case 14: o = result
767 |         case 15: p = result
/host/spi-builder-workspace/Sources/Utilities.swift:766:18: warning: capture of 'o' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
764 |         case 12: m = result
765 |         case 13: n = result
766 |         case 14: o = result
    |                  `- warning: capture of 'o' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
767 |         case 15: p = result
768 |         case 16: q = result
/host/spi-builder-workspace/Sources/Utilities.swift:767:18: warning: capture of 'p' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
765 |         case 13: n = result
766 |         case 14: o = result
767 |         case 15: p = result
    |                  `- warning: capture of 'p' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
768 |         case 16: q = result
769 |         case 17: r = result
/host/spi-builder-workspace/Sources/Utilities.swift:768:18: warning: capture of 'q' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
766 |         case 14: o = result
767 |         case 15: p = result
768 |         case 16: q = result
    |                  `- warning: capture of 'q' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
769 |         case 17: r = result
770 |         case 18: s = result
/host/spi-builder-workspace/Sources/Utilities.swift:769:18: warning: capture of 'r' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
767 |         case 15: p = result
768 |         case 16: q = result
769 |         case 17: r = result
    |                  `- warning: capture of 'r' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
770 |         case 18: s = result
771 |         case 19: t = result
/host/spi-builder-workspace/Sources/Utilities.swift:770:18: warning: capture of 's' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
768 |         case 16: q = result
769 |         case 17: r = result
770 |         case 18: s = result
    |                  `- warning: capture of 's' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
771 |         case 19: t = result
772 |         case 20: u = result
/host/spi-builder-workspace/Sources/Utilities.swift:771:18: warning: capture of 't' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
769 |         case 17: r = result
770 |         case 18: s = result
771 |         case 19: t = result
    |                  `- warning: capture of 't' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
772 |         case 20: u = result
773 |         case 21: v = result
/host/spi-builder-workspace/Sources/Utilities.swift:772:18: warning: capture of 'u' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
770 |         case 18: s = result
771 |         case 19: t = result
772 |         case 20: u = result
    |                  `- warning: capture of 'u' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
773 |         case 21: v = result
774 |         case 22: w = result
/host/spi-builder-workspace/Sources/Utilities.swift:773:18: warning: capture of 'v' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
771 |         case 19: t = result
772 |         case 20: u = result
773 |         case 21: v = result
    |                  `- warning: capture of 'v' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
774 |         case 22: w = result
775 |         case 23: x = result
/host/spi-builder-workspace/Sources/Utilities.swift:774:18: warning: capture of 'w' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
772 |         case 20: u = result
773 |         case 21: v = result
774 |         case 22: w = result
    |                  `- warning: capture of 'w' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
775 |         case 23: x = result
776 |         default: preconditionFailure()
/host/spi-builder-workspace/Sources/Utilities.swift:775:18: warning: capture of 'x' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
773 |         case 21: v = result
774 |         case 22: w = result
775 |         case 23: x = result
    |                  `- warning: capture of 'x' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
776 |         default: preconditionFailure()
777 |         }
/host/spi-builder-workspace/Sources/Utilities.swift:752:17: warning: mutation of captured var 'a' in concurrently-executing code; this is an error in the Swift 6 language mode
750 |         let result = fn(parts[index])
751 |         switch index {
752 |         case 0: a = result
    |                 `- warning: mutation of captured var 'a' in concurrently-executing code; this is an error in the Swift 6 language mode
753 |         case 1: b = result
754 |         case 2: c = result
/host/spi-builder-workspace/Sources/Utilities.swift:753:17: warning: mutation of captured var 'b' in concurrently-executing code; this is an error in the Swift 6 language mode
751 |         switch index {
752 |         case 0: a = result
753 |         case 1: b = result
    |                 `- warning: mutation of captured var 'b' in concurrently-executing code; this is an error in the Swift 6 language mode
754 |         case 2: c = result
755 |         case 3: d = result
/host/spi-builder-workspace/Sources/Utilities.swift:754:17: warning: mutation of captured var 'c' in concurrently-executing code; this is an error in the Swift 6 language mode
752 |         case 0: a = result
753 |         case 1: b = result
754 |         case 2: c = result
    |                 `- warning: mutation of captured var 'c' in concurrently-executing code; this is an error in the Swift 6 language mode
755 |         case 3: d = result
756 |         case 4: e = result
/host/spi-builder-workspace/Sources/Utilities.swift:755:17: warning: mutation of captured var 'd' in concurrently-executing code; this is an error in the Swift 6 language mode
753 |         case 1: b = result
754 |         case 2: c = result
755 |         case 3: d = result
    |                 `- warning: mutation of captured var 'd' in concurrently-executing code; this is an error in the Swift 6 language mode
756 |         case 4: e = result
757 |         case 5: f = result
/host/spi-builder-workspace/Sources/Utilities.swift:756:17: warning: mutation of captured var 'e' in concurrently-executing code; this is an error in the Swift 6 language mode
754 |         case 2: c = result
755 |         case 3: d = result
756 |         case 4: e = result
    |                 `- warning: mutation of captured var 'e' in concurrently-executing code; this is an error in the Swift 6 language mode
757 |         case 5: f = result
758 |         case 6: g = result
/host/spi-builder-workspace/Sources/Utilities.swift:757:17: warning: mutation of captured var 'f' in concurrently-executing code; this is an error in the Swift 6 language mode
755 |         case 3: d = result
756 |         case 4: e = result
757 |         case 5: f = result
    |                 `- warning: mutation of captured var 'f' in concurrently-executing code; this is an error in the Swift 6 language mode
758 |         case 6: g = result
759 |         case 7: h = result
/host/spi-builder-workspace/Sources/Utilities.swift:758:17: warning: mutation of captured var 'g' in concurrently-executing code; this is an error in the Swift 6 language mode
756 |         case 4: e = result
757 |         case 5: f = result
758 |         case 6: g = result
    |                 `- warning: mutation of captured var 'g' in concurrently-executing code; this is an error in the Swift 6 language mode
759 |         case 7: h = result
760 |         case 8: i = result
/host/spi-builder-workspace/Sources/Utilities.swift:759:17: warning: mutation of captured var 'h' in concurrently-executing code; this is an error in the Swift 6 language mode
757 |         case 5: f = result
758 |         case 6: g = result
759 |         case 7: h = result
    |                 `- warning: mutation of captured var 'h' in concurrently-executing code; this is an error in the Swift 6 language mode
760 |         case 8: i = result
761 |         case 9: j = result
/host/spi-builder-workspace/Sources/Utilities.swift:760:17: warning: mutation of captured var 'i' in concurrently-executing code; this is an error in the Swift 6 language mode
758 |         case 6: g = result
759 |         case 7: h = result
760 |         case 8: i = result
    |                 `- warning: mutation of captured var 'i' in concurrently-executing code; this is an error in the Swift 6 language mode
761 |         case 9: j = result
762 |         case 10: k = result
/host/spi-builder-workspace/Sources/Utilities.swift:761:17: warning: mutation of captured var 'j' in concurrently-executing code; this is an error in the Swift 6 language mode
759 |         case 7: h = result
760 |         case 8: i = result
761 |         case 9: j = result
    |                 `- warning: mutation of captured var 'j' in concurrently-executing code; this is an error in the Swift 6 language mode
762 |         case 10: k = result
763 |         case 11: l = result
/host/spi-builder-workspace/Sources/Utilities.swift:762:18: warning: mutation of captured var 'k' in concurrently-executing code; this is an error in the Swift 6 language mode
760 |         case 8: i = result
761 |         case 9: j = result
762 |         case 10: k = result
    |                  `- warning: mutation of captured var 'k' in concurrently-executing code; this is an error in the Swift 6 language mode
763 |         case 11: l = result
764 |         case 12: m = result
/host/spi-builder-workspace/Sources/Utilities.swift:763:18: warning: mutation of captured var 'l' in concurrently-executing code; this is an error in the Swift 6 language mode
761 |         case 9: j = result
762 |         case 10: k = result
763 |         case 11: l = result
    |                  `- warning: mutation of captured var 'l' in concurrently-executing code; this is an error in the Swift 6 language mode
764 |         case 12: m = result
765 |         case 13: n = result
/host/spi-builder-workspace/Sources/Utilities.swift:764:18: warning: mutation of captured var 'm' in concurrently-executing code; this is an error in the Swift 6 language mode
762 |         case 10: k = result
763 |         case 11: l = result
764 |         case 12: m = result
    |                  `- warning: mutation of captured var 'm' in concurrently-executing code; this is an error in the Swift 6 language mode
765 |         case 13: n = result
766 |         case 14: o = result
/host/spi-builder-workspace/Sources/Utilities.swift:765:18: warning: mutation of captured var 'n' in concurrently-executing code; this is an error in the Swift 6 language mode
763 |         case 11: l = result
764 |         case 12: m = result
765 |         case 13: n = result
    |                  `- warning: mutation of captured var 'n' in concurrently-executing code; this is an error in the Swift 6 language mode
766 |         case 14: o = result
767 |         case 15: p = result
/host/spi-builder-workspace/Sources/Utilities.swift:766:18: warning: mutation of captured var 'o' in concurrently-executing code; this is an error in the Swift 6 language mode
764 |         case 12: m = result
765 |         case 13: n = result
766 |         case 14: o = result
    |                  `- warning: mutation of captured var 'o' in concurrently-executing code; this is an error in the Swift 6 language mode
767 |         case 15: p = result
768 |         case 16: q = result
/host/spi-builder-workspace/Sources/Utilities.swift:767:18: warning: mutation of captured var 'p' in concurrently-executing code; this is an error in the Swift 6 language mode
765 |         case 13: n = result
766 |         case 14: o = result
767 |         case 15: p = result
    |                  `- warning: mutation of captured var 'p' in concurrently-executing code; this is an error in the Swift 6 language mode
768 |         case 16: q = result
769 |         case 17: r = result
/host/spi-builder-workspace/Sources/Utilities.swift:768:18: warning: mutation of captured var 'q' in concurrently-executing code; this is an error in the Swift 6 language mode
766 |         case 14: o = result
767 |         case 15: p = result
768 |         case 16: q = result
    |                  `- warning: mutation of captured var 'q' in concurrently-executing code; this is an error in the Swift 6 language mode
769 |         case 17: r = result
770 |         case 18: s = result
/host/spi-builder-workspace/Sources/Utilities.swift:769:18: warning: mutation of captured var 'r' in concurrently-executing code; this is an error in the Swift 6 language mode
767 |         case 15: p = result
768 |         case 16: q = result
769 |         case 17: r = result
    |                  `- warning: mutation of captured var 'r' in concurrently-executing code; this is an error in the Swift 6 language mode
770 |         case 18: s = result
771 |         case 19: t = result
/host/spi-builder-workspace/Sources/Utilities.swift:770:18: warning: mutation of captured var 's' in concurrently-executing code; this is an error in the Swift 6 language mode
768 |         case 16: q = result
769 |         case 17: r = result
770 |         case 18: s = result
    |                  `- warning: mutation of captured var 's' in concurrently-executing code; this is an error in the Swift 6 language mode
771 |         case 19: t = result
772 |         case 20: u = result
/host/spi-builder-workspace/Sources/Utilities.swift:771:18: warning: mutation of captured var 't' in concurrently-executing code; this is an error in the Swift 6 language mode
769 |         case 17: r = result
770 |         case 18: s = result
771 |         case 19: t = result
    |                  `- warning: mutation of captured var 't' in concurrently-executing code; this is an error in the Swift 6 language mode
772 |         case 20: u = result
773 |         case 21: v = result
/host/spi-builder-workspace/Sources/Utilities.swift:772:18: warning: mutation of captured var 'u' in concurrently-executing code; this is an error in the Swift 6 language mode
770 |         case 18: s = result
771 |         case 19: t = result
772 |         case 20: u = result
    |                  `- warning: mutation of captured var 'u' in concurrently-executing code; this is an error in the Swift 6 language mode
773 |         case 21: v = result
774 |         case 22: w = result
/host/spi-builder-workspace/Sources/Utilities.swift:773:18: warning: mutation of captured var 'v' in concurrently-executing code; this is an error in the Swift 6 language mode
771 |         case 19: t = result
772 |         case 20: u = result
773 |         case 21: v = result
    |                  `- warning: mutation of captured var 'v' in concurrently-executing code; this is an error in the Swift 6 language mode
774 |         case 22: w = result
775 |         case 23: x = result
/host/spi-builder-workspace/Sources/Utilities.swift:774:18: warning: mutation of captured var 'w' in concurrently-executing code; this is an error in the Swift 6 language mode
772 |         case 20: u = result
773 |         case 21: v = result
774 |         case 22: w = result
    |                  `- warning: mutation of captured var 'w' in concurrently-executing code; this is an error in the Swift 6 language mode
775 |         case 23: x = result
776 |         default: preconditionFailure()
/host/spi-builder-workspace/Sources/Utilities.swift:775:18: warning: mutation of captured var 'x' in concurrently-executing code; this is an error in the Swift 6 language mode
773 |         case 21: v = result
774 |         case 22: w = result
775 |         case 23: x = result
    |                  `- warning: mutation of captured var 'x' in concurrently-executing code; this is an error in the Swift 6 language mode
776 |         default: preconditionFailure()
777 |         }
[14/37] Compiling Euclid Utilities.swift
/host/spi-builder-workspace/Sources/Transforms.swift:215:16: warning: static property 'identity' is not concurrency-safe because non-'Sendable' type 'Transform' may have shared mutable state; this is an error in the Swift 6 language mode
123 | /// Working with intermediate transform objects instead of directly updating the vertex positions of a mesh
124 | /// is more efficient and avoids a buildup of rounding errors.
125 | public struct Transform: Hashable {
    |               `- note: consider making struct 'Transform' conform to the 'Sendable' protocol
126 |     /// The translation or position component of the transform.
127 |     public var offset: Vector
    :
213 | public extension Transform {
214 |     /// The identity transform (i.e. no transform).
215 |     static let identity = Transform()
    |                |- warning: static property 'identity' is not concurrency-safe because non-'Sendable' type 'Transform' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'identity' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
216 |
217 |     /// Creates a offset transform.
/host/spi-builder-workspace/Sources/Utilities.swift:750:22: warning: capture of 'fn' with non-sendable type '([T]) -> [U]' in a '@Sendable' closure; this is an error in the Swift 6 language mode
748 |     var a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x: [U]?
749 |     DispatchQueue.concurrentPerform(iterations: parts.count) { index in
750 |         let result = fn(parts[index])
    |                      |- warning: capture of 'fn' with non-sendable type '([T]) -> [U]' in a '@Sendable' closure; this is an error in the Swift 6 language mode
    |                      `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
751 |         switch index {
752 |         case 0: a = result
/host/spi-builder-workspace/Sources/Utilities.swift:750:25: warning: capture of 'parts' with non-sendable type '[[T]]' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |            `- note: consider making generic parameter 'T' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
748 |     var a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x: [U]?
749 |     DispatchQueue.concurrentPerform(iterations: parts.count) { index in
750 |         let result = fn(parts[index])
    |                         `- warning: capture of 'parts' with non-sendable type '[[T]]' in a '@Sendable' closure; this is an error in the Swift 6 language mode
751 |         switch index {
752 |         case 0: a = result
/host/spi-builder-workspace/Sources/Utilities.swift:752:17: warning: capture of 'a' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
750 |         let result = fn(parts[index])
751 |         switch index {
752 |         case 0: a = result
    |                 `- warning: capture of 'a' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
753 |         case 1: b = result
754 |         case 2: c = result
/host/spi-builder-workspace/Sources/Utilities.swift:753:17: warning: capture of 'b' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
751 |         switch index {
752 |         case 0: a = result
753 |         case 1: b = result
    |                 `- warning: capture of 'b' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
754 |         case 2: c = result
755 |         case 3: d = result
/host/spi-builder-workspace/Sources/Utilities.swift:754:17: warning: capture of 'c' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
752 |         case 0: a = result
753 |         case 1: b = result
754 |         case 2: c = result
    |                 `- warning: capture of 'c' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
755 |         case 3: d = result
756 |         case 4: e = result
/host/spi-builder-workspace/Sources/Utilities.swift:755:17: warning: capture of 'd' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
753 |         case 1: b = result
754 |         case 2: c = result
755 |         case 3: d = result
    |                 `- warning: capture of 'd' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
756 |         case 4: e = result
757 |         case 5: f = result
/host/spi-builder-workspace/Sources/Utilities.swift:756:17: warning: capture of 'e' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
754 |         case 2: c = result
755 |         case 3: d = result
756 |         case 4: e = result
    |                 `- warning: capture of 'e' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
757 |         case 5: f = result
758 |         case 6: g = result
/host/spi-builder-workspace/Sources/Utilities.swift:757:17: warning: capture of 'f' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
755 |         case 3: d = result
756 |         case 4: e = result
757 |         case 5: f = result
    |                 `- warning: capture of 'f' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
758 |         case 6: g = result
759 |         case 7: h = result
/host/spi-builder-workspace/Sources/Utilities.swift:758:17: warning: capture of 'g' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
756 |         case 4: e = result
757 |         case 5: f = result
758 |         case 6: g = result
    |                 `- warning: capture of 'g' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
759 |         case 7: h = result
760 |         case 8: i = result
/host/spi-builder-workspace/Sources/Utilities.swift:759:17: warning: capture of 'h' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
757 |         case 5: f = result
758 |         case 6: g = result
759 |         case 7: h = result
    |                 `- warning: capture of 'h' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
760 |         case 8: i = result
761 |         case 9: j = result
/host/spi-builder-workspace/Sources/Utilities.swift:760:17: warning: capture of 'i' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
758 |         case 6: g = result
759 |         case 7: h = result
760 |         case 8: i = result
    |                 `- warning: capture of 'i' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
761 |         case 9: j = result
762 |         case 10: k = result
/host/spi-builder-workspace/Sources/Utilities.swift:761:17: warning: capture of 'j' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
759 |         case 7: h = result
760 |         case 8: i = result
761 |         case 9: j = result
    |                 `- warning: capture of 'j' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
762 |         case 10: k = result
763 |         case 11: l = result
/host/spi-builder-workspace/Sources/Utilities.swift:762:18: warning: capture of 'k' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
760 |         case 8: i = result
761 |         case 9: j = result
762 |         case 10: k = result
    |                  `- warning: capture of 'k' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
763 |         case 11: l = result
764 |         case 12: m = result
/host/spi-builder-workspace/Sources/Utilities.swift:763:18: warning: capture of 'l' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
761 |         case 9: j = result
762 |         case 10: k = result
763 |         case 11: l = result
    |                  `- warning: capture of 'l' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
764 |         case 12: m = result
765 |         case 13: n = result
/host/spi-builder-workspace/Sources/Utilities.swift:764:18: warning: capture of 'm' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
762 |         case 10: k = result
763 |         case 11: l = result
764 |         case 12: m = result
    |                  `- warning: capture of 'm' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
765 |         case 13: n = result
766 |         case 14: o = result
/host/spi-builder-workspace/Sources/Utilities.swift:765:18: warning: capture of 'n' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
763 |         case 11: l = result
764 |         case 12: m = result
765 |         case 13: n = result
    |                  `- warning: capture of 'n' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
766 |         case 14: o = result
767 |         case 15: p = result
/host/spi-builder-workspace/Sources/Utilities.swift:766:18: warning: capture of 'o' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
764 |         case 12: m = result
765 |         case 13: n = result
766 |         case 14: o = result
    |                  `- warning: capture of 'o' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
767 |         case 15: p = result
768 |         case 16: q = result
/host/spi-builder-workspace/Sources/Utilities.swift:767:18: warning: capture of 'p' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
765 |         case 13: n = result
766 |         case 14: o = result
767 |         case 15: p = result
    |                  `- warning: capture of 'p' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
768 |         case 16: q = result
769 |         case 17: r = result
/host/spi-builder-workspace/Sources/Utilities.swift:768:18: warning: capture of 'q' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
766 |         case 14: o = result
767 |         case 15: p = result
768 |         case 16: q = result
    |                  `- warning: capture of 'q' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
769 |         case 17: r = result
770 |         case 18: s = result
/host/spi-builder-workspace/Sources/Utilities.swift:769:18: warning: capture of 'r' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
767 |         case 15: p = result
768 |         case 16: q = result
769 |         case 17: r = result
    |                  `- warning: capture of 'r' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
770 |         case 18: s = result
771 |         case 19: t = result
/host/spi-builder-workspace/Sources/Utilities.swift:770:18: warning: capture of 's' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
768 |         case 16: q = result
769 |         case 17: r = result
770 |         case 18: s = result
    |                  `- warning: capture of 's' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
771 |         case 19: t = result
772 |         case 20: u = result
/host/spi-builder-workspace/Sources/Utilities.swift:771:18: warning: capture of 't' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
769 |         case 17: r = result
770 |         case 18: s = result
771 |         case 19: t = result
    |                  `- warning: capture of 't' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
772 |         case 20: u = result
773 |         case 21: v = result
/host/spi-builder-workspace/Sources/Utilities.swift:772:18: warning: capture of 'u' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
770 |         case 18: s = result
771 |         case 19: t = result
772 |         case 20: u = result
    |                  `- warning: capture of 'u' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
773 |         case 21: v = result
774 |         case 22: w = result
/host/spi-builder-workspace/Sources/Utilities.swift:773:18: warning: capture of 'v' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
771 |         case 19: t = result
772 |         case 20: u = result
773 |         case 21: v = result
    |                  `- warning: capture of 'v' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
774 |         case 22: w = result
775 |         case 23: x = result
/host/spi-builder-workspace/Sources/Utilities.swift:774:18: warning: capture of 'w' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
772 |         case 20: u = result
773 |         case 21: v = result
774 |         case 22: w = result
    |                  `- warning: capture of 'w' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
775 |         case 23: x = result
776 |         default: preconditionFailure()
/host/spi-builder-workspace/Sources/Utilities.swift:775:18: warning: capture of 'x' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
773 |         case 21: v = result
774 |         case 22: w = result
775 |         case 23: x = result
    |                  `- warning: capture of 'x' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
776 |         default: preconditionFailure()
777 |         }
/host/spi-builder-workspace/Sources/Utilities.swift:752:17: warning: mutation of captured var 'a' in concurrently-executing code; this is an error in the Swift 6 language mode
750 |         let result = fn(parts[index])
751 |         switch index {
752 |         case 0: a = result
    |                 `- warning: mutation of captured var 'a' in concurrently-executing code; this is an error in the Swift 6 language mode
753 |         case 1: b = result
754 |         case 2: c = result
/host/spi-builder-workspace/Sources/Utilities.swift:753:17: warning: mutation of captured var 'b' in concurrently-executing code; this is an error in the Swift 6 language mode
751 |         switch index {
752 |         case 0: a = result
753 |         case 1: b = result
    |                 `- warning: mutation of captured var 'b' in concurrently-executing code; this is an error in the Swift 6 language mode
754 |         case 2: c = result
755 |         case 3: d = result
/host/spi-builder-workspace/Sources/Utilities.swift:754:17: warning: mutation of captured var 'c' in concurrently-executing code; this is an error in the Swift 6 language mode
752 |         case 0: a = result
753 |         case 1: b = result
754 |         case 2: c = result
    |                 `- warning: mutation of captured var 'c' in concurrently-executing code; this is an error in the Swift 6 language mode
755 |         case 3: d = result
756 |         case 4: e = result
/host/spi-builder-workspace/Sources/Utilities.swift:755:17: warning: mutation of captured var 'd' in concurrently-executing code; this is an error in the Swift 6 language mode
753 |         case 1: b = result
754 |         case 2: c = result
755 |         case 3: d = result
    |                 `- warning: mutation of captured var 'd' in concurrently-executing code; this is an error in the Swift 6 language mode
756 |         case 4: e = result
757 |         case 5: f = result
/host/spi-builder-workspace/Sources/Utilities.swift:756:17: warning: mutation of captured var 'e' in concurrently-executing code; this is an error in the Swift 6 language mode
754 |         case 2: c = result
755 |         case 3: d = result
756 |         case 4: e = result
    |                 `- warning: mutation of captured var 'e' in concurrently-executing code; this is an error in the Swift 6 language mode
757 |         case 5: f = result
758 |         case 6: g = result
/host/spi-builder-workspace/Sources/Utilities.swift:757:17: warning: mutation of captured var 'f' in concurrently-executing code; this is an error in the Swift 6 language mode
755 |         case 3: d = result
756 |         case 4: e = result
757 |         case 5: f = result
    |                 `- warning: mutation of captured var 'f' in concurrently-executing code; this is an error in the Swift 6 language mode
758 |         case 6: g = result
759 |         case 7: h = result
/host/spi-builder-workspace/Sources/Utilities.swift:758:17: warning: mutation of captured var 'g' in concurrently-executing code; this is an error in the Swift 6 language mode
756 |         case 4: e = result
757 |         case 5: f = result
758 |         case 6: g = result
    |                 `- warning: mutation of captured var 'g' in concurrently-executing code; this is an error in the Swift 6 language mode
759 |         case 7: h = result
760 |         case 8: i = result
/host/spi-builder-workspace/Sources/Utilities.swift:759:17: warning: mutation of captured var 'h' in concurrently-executing code; this is an error in the Swift 6 language mode
757 |         case 5: f = result
758 |         case 6: g = result
759 |         case 7: h = result
    |                 `- warning: mutation of captured var 'h' in concurrently-executing code; this is an error in the Swift 6 language mode
760 |         case 8: i = result
761 |         case 9: j = result
/host/spi-builder-workspace/Sources/Utilities.swift:760:17: warning: mutation of captured var 'i' in concurrently-executing code; this is an error in the Swift 6 language mode
758 |         case 6: g = result
759 |         case 7: h = result
760 |         case 8: i = result
    |                 `- warning: mutation of captured var 'i' in concurrently-executing code; this is an error in the Swift 6 language mode
761 |         case 9: j = result
762 |         case 10: k = result
/host/spi-builder-workspace/Sources/Utilities.swift:761:17: warning: mutation of captured var 'j' in concurrently-executing code; this is an error in the Swift 6 language mode
759 |         case 7: h = result
760 |         case 8: i = result
761 |         case 9: j = result
    |                 `- warning: mutation of captured var 'j' in concurrently-executing code; this is an error in the Swift 6 language mode
762 |         case 10: k = result
763 |         case 11: l = result
/host/spi-builder-workspace/Sources/Utilities.swift:762:18: warning: mutation of captured var 'k' in concurrently-executing code; this is an error in the Swift 6 language mode
760 |         case 8: i = result
761 |         case 9: j = result
762 |         case 10: k = result
    |                  `- warning: mutation of captured var 'k' in concurrently-executing code; this is an error in the Swift 6 language mode
763 |         case 11: l = result
764 |         case 12: m = result
/host/spi-builder-workspace/Sources/Utilities.swift:763:18: warning: mutation of captured var 'l' in concurrently-executing code; this is an error in the Swift 6 language mode
761 |         case 9: j = result
762 |         case 10: k = result
763 |         case 11: l = result
    |                  `- warning: mutation of captured var 'l' in concurrently-executing code; this is an error in the Swift 6 language mode
764 |         case 12: m = result
765 |         case 13: n = result
/host/spi-builder-workspace/Sources/Utilities.swift:764:18: warning: mutation of captured var 'm' in concurrently-executing code; this is an error in the Swift 6 language mode
762 |         case 10: k = result
763 |         case 11: l = result
764 |         case 12: m = result
    |                  `- warning: mutation of captured var 'm' in concurrently-executing code; this is an error in the Swift 6 language mode
765 |         case 13: n = result
766 |         case 14: o = result
/host/spi-builder-workspace/Sources/Utilities.swift:765:18: warning: mutation of captured var 'n' in concurrently-executing code; this is an error in the Swift 6 language mode
763 |         case 11: l = result
764 |         case 12: m = result
765 |         case 13: n = result
    |                  `- warning: mutation of captured var 'n' in concurrently-executing code; this is an error in the Swift 6 language mode
766 |         case 14: o = result
767 |         case 15: p = result
/host/spi-builder-workspace/Sources/Utilities.swift:766:18: warning: mutation of captured var 'o' in concurrently-executing code; this is an error in the Swift 6 language mode
764 |         case 12: m = result
765 |         case 13: n = result
766 |         case 14: o = result
    |                  `- warning: mutation of captured var 'o' in concurrently-executing code; this is an error in the Swift 6 language mode
767 |         case 15: p = result
768 |         case 16: q = result
/host/spi-builder-workspace/Sources/Utilities.swift:767:18: warning: mutation of captured var 'p' in concurrently-executing code; this is an error in the Swift 6 language mode
765 |         case 13: n = result
766 |         case 14: o = result
767 |         case 15: p = result
    |                  `- warning: mutation of captured var 'p' in concurrently-executing code; this is an error in the Swift 6 language mode
768 |         case 16: q = result
769 |         case 17: r = result
/host/spi-builder-workspace/Sources/Utilities.swift:768:18: warning: mutation of captured var 'q' in concurrently-executing code; this is an error in the Swift 6 language mode
766 |         case 14: o = result
767 |         case 15: p = result
768 |         case 16: q = result
    |                  `- warning: mutation of captured var 'q' in concurrently-executing code; this is an error in the Swift 6 language mode
769 |         case 17: r = result
770 |         case 18: s = result
/host/spi-builder-workspace/Sources/Utilities.swift:769:18: warning: mutation of captured var 'r' in concurrently-executing code; this is an error in the Swift 6 language mode
767 |         case 15: p = result
768 |         case 16: q = result
769 |         case 17: r = result
    |                  `- warning: mutation of captured var 'r' in concurrently-executing code; this is an error in the Swift 6 language mode
770 |         case 18: s = result
771 |         case 19: t = result
/host/spi-builder-workspace/Sources/Utilities.swift:770:18: warning: mutation of captured var 's' in concurrently-executing code; this is an error in the Swift 6 language mode
768 |         case 16: q = result
769 |         case 17: r = result
770 |         case 18: s = result
    |                  `- warning: mutation of captured var 's' in concurrently-executing code; this is an error in the Swift 6 language mode
771 |         case 19: t = result
772 |         case 20: u = result
/host/spi-builder-workspace/Sources/Utilities.swift:771:18: warning: mutation of captured var 't' in concurrently-executing code; this is an error in the Swift 6 language mode
769 |         case 17: r = result
770 |         case 18: s = result
771 |         case 19: t = result
    |                  `- warning: mutation of captured var 't' in concurrently-executing code; this is an error in the Swift 6 language mode
772 |         case 20: u = result
773 |         case 21: v = result
/host/spi-builder-workspace/Sources/Utilities.swift:772:18: warning: mutation of captured var 'u' in concurrently-executing code; this is an error in the Swift 6 language mode
770 |         case 18: s = result
771 |         case 19: t = result
772 |         case 20: u = result
    |                  `- warning: mutation of captured var 'u' in concurrently-executing code; this is an error in the Swift 6 language mode
773 |         case 21: v = result
774 |         case 22: w = result
/host/spi-builder-workspace/Sources/Utilities.swift:773:18: warning: mutation of captured var 'v' in concurrently-executing code; this is an error in the Swift 6 language mode
771 |         case 19: t = result
772 |         case 20: u = result
773 |         case 21: v = result
    |                  `- warning: mutation of captured var 'v' in concurrently-executing code; this is an error in the Swift 6 language mode
774 |         case 22: w = result
775 |         case 23: x = result
/host/spi-builder-workspace/Sources/Utilities.swift:774:18: warning: mutation of captured var 'w' in concurrently-executing code; this is an error in the Swift 6 language mode
772 |         case 20: u = result
773 |         case 21: v = result
774 |         case 22: w = result
    |                  `- warning: mutation of captured var 'w' in concurrently-executing code; this is an error in the Swift 6 language mode
775 |         case 23: x = result
776 |         default: preconditionFailure()
/host/spi-builder-workspace/Sources/Utilities.swift:775:18: warning: mutation of captured var 'x' in concurrently-executing code; this is an error in the Swift 6 language mode
773 |         case 21: v = result
774 |         case 22: w = result
775 |         case 23: x = result
    |                  `- warning: mutation of captured var 'x' in concurrently-executing code; this is an error in the Swift 6 language mode
776 |         default: preconditionFailure()
777 |         }
[15/37] Compiling Euclid Vector.swift
/host/spi-builder-workspace/Sources/Transforms.swift:215:16: warning: static property 'identity' is not concurrency-safe because non-'Sendable' type 'Transform' may have shared mutable state; this is an error in the Swift 6 language mode
123 | /// Working with intermediate transform objects instead of directly updating the vertex positions of a mesh
124 | /// is more efficient and avoids a buildup of rounding errors.
125 | public struct Transform: Hashable {
    |               `- note: consider making struct 'Transform' conform to the 'Sendable' protocol
126 |     /// The translation or position component of the transform.
127 |     public var offset: Vector
    :
213 | public extension Transform {
214 |     /// The identity transform (i.e. no transform).
215 |     static let identity = Transform()
    |                |- warning: static property 'identity' is not concurrency-safe because non-'Sendable' type 'Transform' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'identity' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
216 |
217 |     /// Creates a offset transform.
/host/spi-builder-workspace/Sources/Utilities.swift:750:22: warning: capture of 'fn' with non-sendable type '([T]) -> [U]' in a '@Sendable' closure; this is an error in the Swift 6 language mode
748 |     var a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x: [U]?
749 |     DispatchQueue.concurrentPerform(iterations: parts.count) { index in
750 |         let result = fn(parts[index])
    |                      |- warning: capture of 'fn' with non-sendable type '([T]) -> [U]' in a '@Sendable' closure; this is an error in the Swift 6 language mode
    |                      `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
751 |         switch index {
752 |         case 0: a = result
/host/spi-builder-workspace/Sources/Utilities.swift:750:25: warning: capture of 'parts' with non-sendable type '[[T]]' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |            `- note: consider making generic parameter 'T' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
748 |     var a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x: [U]?
749 |     DispatchQueue.concurrentPerform(iterations: parts.count) { index in
750 |         let result = fn(parts[index])
    |                         `- warning: capture of 'parts' with non-sendable type '[[T]]' in a '@Sendable' closure; this is an error in the Swift 6 language mode
751 |         switch index {
752 |         case 0: a = result
/host/spi-builder-workspace/Sources/Utilities.swift:752:17: warning: capture of 'a' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
750 |         let result = fn(parts[index])
751 |         switch index {
752 |         case 0: a = result
    |                 `- warning: capture of 'a' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
753 |         case 1: b = result
754 |         case 2: c = result
/host/spi-builder-workspace/Sources/Utilities.swift:753:17: warning: capture of 'b' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
751 |         switch index {
752 |         case 0: a = result
753 |         case 1: b = result
    |                 `- warning: capture of 'b' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
754 |         case 2: c = result
755 |         case 3: d = result
/host/spi-builder-workspace/Sources/Utilities.swift:754:17: warning: capture of 'c' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
752 |         case 0: a = result
753 |         case 1: b = result
754 |         case 2: c = result
    |                 `- warning: capture of 'c' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
755 |         case 3: d = result
756 |         case 4: e = result
/host/spi-builder-workspace/Sources/Utilities.swift:755:17: warning: capture of 'd' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
753 |         case 1: b = result
754 |         case 2: c = result
755 |         case 3: d = result
    |                 `- warning: capture of 'd' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
756 |         case 4: e = result
757 |         case 5: f = result
/host/spi-builder-workspace/Sources/Utilities.swift:756:17: warning: capture of 'e' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
754 |         case 2: c = result
755 |         case 3: d = result
756 |         case 4: e = result
    |                 `- warning: capture of 'e' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
757 |         case 5: f = result
758 |         case 6: g = result
/host/spi-builder-workspace/Sources/Utilities.swift:757:17: warning: capture of 'f' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
755 |         case 3: d = result
756 |         case 4: e = result
757 |         case 5: f = result
    |                 `- warning: capture of 'f' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
758 |         case 6: g = result
759 |         case 7: h = result
/host/spi-builder-workspace/Sources/Utilities.swift:758:17: warning: capture of 'g' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
756 |         case 4: e = result
757 |         case 5: f = result
758 |         case 6: g = result
    |                 `- warning: capture of 'g' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
759 |         case 7: h = result
760 |         case 8: i = result
/host/spi-builder-workspace/Sources/Utilities.swift:759:17: warning: capture of 'h' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
757 |         case 5: f = result
758 |         case 6: g = result
759 |         case 7: h = result
    |                 `- warning: capture of 'h' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
760 |         case 8: i = result
761 |         case 9: j = result
/host/spi-builder-workspace/Sources/Utilities.swift:760:17: warning: capture of 'i' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
758 |         case 6: g = result
759 |         case 7: h = result
760 |         case 8: i = result
    |                 `- warning: capture of 'i' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
761 |         case 9: j = result
762 |         case 10: k = result
/host/spi-builder-workspace/Sources/Utilities.swift:761:17: warning: capture of 'j' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
759 |         case 7: h = result
760 |         case 8: i = result
761 |         case 9: j = result
    |                 `- warning: capture of 'j' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
762 |         case 10: k = result
763 |         case 11: l = result
/host/spi-builder-workspace/Sources/Utilities.swift:762:18: warning: capture of 'k' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
760 |         case 8: i = result
761 |         case 9: j = result
762 |         case 10: k = result
    |                  `- warning: capture of 'k' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
763 |         case 11: l = result
764 |         case 12: m = result
/host/spi-builder-workspace/Sources/Utilities.swift:763:18: warning: capture of 'l' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
761 |         case 9: j = result
762 |         case 10: k = result
763 |         case 11: l = result
    |                  `- warning: capture of 'l' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
764 |         case 12: m = result
765 |         case 13: n = result
/host/spi-builder-workspace/Sources/Utilities.swift:764:18: warning: capture of 'm' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
762 |         case 10: k = result
763 |         case 11: l = result
764 |         case 12: m = result
    |                  `- warning: capture of 'm' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
765 |         case 13: n = result
766 |         case 14: o = result
/host/spi-builder-workspace/Sources/Utilities.swift:765:18: warning: capture of 'n' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
763 |         case 11: l = result
764 |         case 12: m = result
765 |         case 13: n = result
    |                  `- warning: capture of 'n' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
766 |         case 14: o = result
767 |         case 15: p = result
/host/spi-builder-workspace/Sources/Utilities.swift:766:18: warning: capture of 'o' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
764 |         case 12: m = result
765 |         case 13: n = result
766 |         case 14: o = result
    |                  `- warning: capture of 'o' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
767 |         case 15: p = result
768 |         case 16: q = result
/host/spi-builder-workspace/Sources/Utilities.swift:767:18: warning: capture of 'p' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
765 |         case 13: n = result
766 |         case 14: o = result
767 |         case 15: p = result
    |                  `- warning: capture of 'p' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
768 |         case 16: q = result
769 |         case 17: r = result
/host/spi-builder-workspace/Sources/Utilities.swift:768:18: warning: capture of 'q' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
766 |         case 14: o = result
767 |         case 15: p = result
768 |         case 16: q = result
    |                  `- warning: capture of 'q' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
769 |         case 17: r = result
770 |         case 18: s = result
/host/spi-builder-workspace/Sources/Utilities.swift:769:18: warning: capture of 'r' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
767 |         case 15: p = result
768 |         case 16: q = result
769 |         case 17: r = result
    |                  `- warning: capture of 'r' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
770 |         case 18: s = result
771 |         case 19: t = result
/host/spi-builder-workspace/Sources/Utilities.swift:770:18: warning: capture of 's' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
768 |         case 16: q = result
769 |         case 17: r = result
770 |         case 18: s = result
    |                  `- warning: capture of 's' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
771 |         case 19: t = result
772 |         case 20: u = result
/host/spi-builder-workspace/Sources/Utilities.swift:771:18: warning: capture of 't' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
769 |         case 17: r = result
770 |         case 18: s = result
771 |         case 19: t = result
    |                  `- warning: capture of 't' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
772 |         case 20: u = result
773 |         case 21: v = result
/host/spi-builder-workspace/Sources/Utilities.swift:772:18: warning: capture of 'u' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
770 |         case 18: s = result
771 |         case 19: t = result
772 |         case 20: u = result
    |                  `- warning: capture of 'u' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
773 |         case 21: v = result
774 |         case 22: w = result
/host/spi-builder-workspace/Sources/Utilities.swift:773:18: warning: capture of 'v' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
771 |         case 19: t = result
772 |         case 20: u = result
773 |         case 21: v = result
    |                  `- warning: capture of 'v' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
774 |         case 22: w = result
775 |         case 23: x = result
/host/spi-builder-workspace/Sources/Utilities.swift:774:18: warning: capture of 'w' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
772 |         case 20: u = result
773 |         case 21: v = result
774 |         case 22: w = result
    |                  `- warning: capture of 'w' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
775 |         case 23: x = result
776 |         default: preconditionFailure()
/host/spi-builder-workspace/Sources/Utilities.swift:775:18: warning: capture of 'x' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
773 |         case 21: v = result
774 |         case 22: w = result
775 |         case 23: x = result
    |                  `- warning: capture of 'x' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
776 |         default: preconditionFailure()
777 |         }
/host/spi-builder-workspace/Sources/Utilities.swift:752:17: warning: mutation of captured var 'a' in concurrently-executing code; this is an error in the Swift 6 language mode
750 |         let result = fn(parts[index])
751 |         switch index {
752 |         case 0: a = result
    |                 `- warning: mutation of captured var 'a' in concurrently-executing code; this is an error in the Swift 6 language mode
753 |         case 1: b = result
754 |         case 2: c = result
/host/spi-builder-workspace/Sources/Utilities.swift:753:17: warning: mutation of captured var 'b' in concurrently-executing code; this is an error in the Swift 6 language mode
751 |         switch index {
752 |         case 0: a = result
753 |         case 1: b = result
    |                 `- warning: mutation of captured var 'b' in concurrently-executing code; this is an error in the Swift 6 language mode
754 |         case 2: c = result
755 |         case 3: d = result
/host/spi-builder-workspace/Sources/Utilities.swift:754:17: warning: mutation of captured var 'c' in concurrently-executing code; this is an error in the Swift 6 language mode
752 |         case 0: a = result
753 |         case 1: b = result
754 |         case 2: c = result
    |                 `- warning: mutation of captured var 'c' in concurrently-executing code; this is an error in the Swift 6 language mode
755 |         case 3: d = result
756 |         case 4: e = result
/host/spi-builder-workspace/Sources/Utilities.swift:755:17: warning: mutation of captured var 'd' in concurrently-executing code; this is an error in the Swift 6 language mode
753 |         case 1: b = result
754 |         case 2: c = result
755 |         case 3: d = result
    |                 `- warning: mutation of captured var 'd' in concurrently-executing code; this is an error in the Swift 6 language mode
756 |         case 4: e = result
757 |         case 5: f = result
/host/spi-builder-workspace/Sources/Utilities.swift:756:17: warning: mutation of captured var 'e' in concurrently-executing code; this is an error in the Swift 6 language mode
754 |         case 2: c = result
755 |         case 3: d = result
756 |         case 4: e = result
    |                 `- warning: mutation of captured var 'e' in concurrently-executing code; this is an error in the Swift 6 language mode
757 |         case 5: f = result
758 |         case 6: g = result
/host/spi-builder-workspace/Sources/Utilities.swift:757:17: warning: mutation of captured var 'f' in concurrently-executing code; this is an error in the Swift 6 language mode
755 |         case 3: d = result
756 |         case 4: e = result
757 |         case 5: f = result
    |                 `- warning: mutation of captured var 'f' in concurrently-executing code; this is an error in the Swift 6 language mode
758 |         case 6: g = result
759 |         case 7: h = result
/host/spi-builder-workspace/Sources/Utilities.swift:758:17: warning: mutation of captured var 'g' in concurrently-executing code; this is an error in the Swift 6 language mode
756 |         case 4: e = result
757 |         case 5: f = result
758 |         case 6: g = result
    |                 `- warning: mutation of captured var 'g' in concurrently-executing code; this is an error in the Swift 6 language mode
759 |         case 7: h = result
760 |         case 8: i = result
/host/spi-builder-workspace/Sources/Utilities.swift:759:17: warning: mutation of captured var 'h' in concurrently-executing code; this is an error in the Swift 6 language mode
757 |         case 5: f = result
758 |         case 6: g = result
759 |         case 7: h = result
    |                 `- warning: mutation of captured var 'h' in concurrently-executing code; this is an error in the Swift 6 language mode
760 |         case 8: i = result
761 |         case 9: j = result
/host/spi-builder-workspace/Sources/Utilities.swift:760:17: warning: mutation of captured var 'i' in concurrently-executing code; this is an error in the Swift 6 language mode
758 |         case 6: g = result
759 |         case 7: h = result
760 |         case 8: i = result
    |                 `- warning: mutation of captured var 'i' in concurrently-executing code; this is an error in the Swift 6 language mode
761 |         case 9: j = result
762 |         case 10: k = result
/host/spi-builder-workspace/Sources/Utilities.swift:761:17: warning: mutation of captured var 'j' in concurrently-executing code; this is an error in the Swift 6 language mode
759 |         case 7: h = result
760 |         case 8: i = result
761 |         case 9: j = result
    |                 `- warning: mutation of captured var 'j' in concurrently-executing code; this is an error in the Swift 6 language mode
762 |         case 10: k = result
763 |         case 11: l = result
/host/spi-builder-workspace/Sources/Utilities.swift:762:18: warning: mutation of captured var 'k' in concurrently-executing code; this is an error in the Swift 6 language mode
760 |         case 8: i = result
761 |         case 9: j = result
762 |         case 10: k = result
    |                  `- warning: mutation of captured var 'k' in concurrently-executing code; this is an error in the Swift 6 language mode
763 |         case 11: l = result
764 |         case 12: m = result
/host/spi-builder-workspace/Sources/Utilities.swift:763:18: warning: mutation of captured var 'l' in concurrently-executing code; this is an error in the Swift 6 language mode
761 |         case 9: j = result
762 |         case 10: k = result
763 |         case 11: l = result
    |                  `- warning: mutation of captured var 'l' in concurrently-executing code; this is an error in the Swift 6 language mode
764 |         case 12: m = result
765 |         case 13: n = result
/host/spi-builder-workspace/Sources/Utilities.swift:764:18: warning: mutation of captured var 'm' in concurrently-executing code; this is an error in the Swift 6 language mode
762 |         case 10: k = result
763 |         case 11: l = result
764 |         case 12: m = result
    |                  `- warning: mutation of captured var 'm' in concurrently-executing code; this is an error in the Swift 6 language mode
765 |         case 13: n = result
766 |         case 14: o = result
/host/spi-builder-workspace/Sources/Utilities.swift:765:18: warning: mutation of captured var 'n' in concurrently-executing code; this is an error in the Swift 6 language mode
763 |         case 11: l = result
764 |         case 12: m = result
765 |         case 13: n = result
    |                  `- warning: mutation of captured var 'n' in concurrently-executing code; this is an error in the Swift 6 language mode
766 |         case 14: o = result
767 |         case 15: p = result
/host/spi-builder-workspace/Sources/Utilities.swift:766:18: warning: mutation of captured var 'o' in concurrently-executing code; this is an error in the Swift 6 language mode
764 |         case 12: m = result
765 |         case 13: n = result
766 |         case 14: o = result
    |                  `- warning: mutation of captured var 'o' in concurrently-executing code; this is an error in the Swift 6 language mode
767 |         case 15: p = result
768 |         case 16: q = result
/host/spi-builder-workspace/Sources/Utilities.swift:767:18: warning: mutation of captured var 'p' in concurrently-executing code; this is an error in the Swift 6 language mode
765 |         case 13: n = result
766 |         case 14: o = result
767 |         case 15: p = result
    |                  `- warning: mutation of captured var 'p' in concurrently-executing code; this is an error in the Swift 6 language mode
768 |         case 16: q = result
769 |         case 17: r = result
/host/spi-builder-workspace/Sources/Utilities.swift:768:18: warning: mutation of captured var 'q' in concurrently-executing code; this is an error in the Swift 6 language mode
766 |         case 14: o = result
767 |         case 15: p = result
768 |         case 16: q = result
    |                  `- warning: mutation of captured var 'q' in concurrently-executing code; this is an error in the Swift 6 language mode
769 |         case 17: r = result
770 |         case 18: s = result
/host/spi-builder-workspace/Sources/Utilities.swift:769:18: warning: mutation of captured var 'r' in concurrently-executing code; this is an error in the Swift 6 language mode
767 |         case 15: p = result
768 |         case 16: q = result
769 |         case 17: r = result
    |                  `- warning: mutation of captured var 'r' in concurrently-executing code; this is an error in the Swift 6 language mode
770 |         case 18: s = result
771 |         case 19: t = result
/host/spi-builder-workspace/Sources/Utilities.swift:770:18: warning: mutation of captured var 's' in concurrently-executing code; this is an error in the Swift 6 language mode
768 |         case 16: q = result
769 |         case 17: r = result
770 |         case 18: s = result
    |                  `- warning: mutation of captured var 's' in concurrently-executing code; this is an error in the Swift 6 language mode
771 |         case 19: t = result
772 |         case 20: u = result
/host/spi-builder-workspace/Sources/Utilities.swift:771:18: warning: mutation of captured var 't' in concurrently-executing code; this is an error in the Swift 6 language mode
769 |         case 17: r = result
770 |         case 18: s = result
771 |         case 19: t = result
    |                  `- warning: mutation of captured var 't' in concurrently-executing code; this is an error in the Swift 6 language mode
772 |         case 20: u = result
773 |         case 21: v = result
/host/spi-builder-workspace/Sources/Utilities.swift:772:18: warning: mutation of captured var 'u' in concurrently-executing code; this is an error in the Swift 6 language mode
770 |         case 18: s = result
771 |         case 19: t = result
772 |         case 20: u = result
    |                  `- warning: mutation of captured var 'u' in concurrently-executing code; this is an error in the Swift 6 language mode
773 |         case 21: v = result
774 |         case 22: w = result
/host/spi-builder-workspace/Sources/Utilities.swift:773:18: warning: mutation of captured var 'v' in concurrently-executing code; this is an error in the Swift 6 language mode
771 |         case 19: t = result
772 |         case 20: u = result
773 |         case 21: v = result
    |                  `- warning: mutation of captured var 'v' in concurrently-executing code; this is an error in the Swift 6 language mode
774 |         case 22: w = result
775 |         case 23: x = result
/host/spi-builder-workspace/Sources/Utilities.swift:774:18: warning: mutation of captured var 'w' in concurrently-executing code; this is an error in the Swift 6 language mode
772 |         case 20: u = result
773 |         case 21: v = result
774 |         case 22: w = result
    |                  `- warning: mutation of captured var 'w' in concurrently-executing code; this is an error in the Swift 6 language mode
775 |         case 23: x = result
776 |         default: preconditionFailure()
/host/spi-builder-workspace/Sources/Utilities.swift:775:18: warning: mutation of captured var 'x' in concurrently-executing code; this is an error in the Swift 6 language mode
773 |         case 21: v = result
774 |         case 22: w = result
775 |         case 23: x = result
    |                  `- warning: mutation of captured var 'x' in concurrently-executing code; this is an error in the Swift 6 language mode
776 |         default: preconditionFailure()
777 |         }
[16/37] Compiling Euclid Vertex.swift
/host/spi-builder-workspace/Sources/Transforms.swift:215:16: warning: static property 'identity' is not concurrency-safe because non-'Sendable' type 'Transform' may have shared mutable state; this is an error in the Swift 6 language mode
123 | /// Working with intermediate transform objects instead of directly updating the vertex positions of a mesh
124 | /// is more efficient and avoids a buildup of rounding errors.
125 | public struct Transform: Hashable {
    |               `- note: consider making struct 'Transform' conform to the 'Sendable' protocol
126 |     /// The translation or position component of the transform.
127 |     public var offset: Vector
    :
213 | public extension Transform {
214 |     /// The identity transform (i.e. no transform).
215 |     static let identity = Transform()
    |                |- warning: static property 'identity' is not concurrency-safe because non-'Sendable' type 'Transform' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'identity' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
216 |
217 |     /// Creates a offset transform.
/host/spi-builder-workspace/Sources/Utilities.swift:750:22: warning: capture of 'fn' with non-sendable type '([T]) -> [U]' in a '@Sendable' closure; this is an error in the Swift 6 language mode
748 |     var a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x: [U]?
749 |     DispatchQueue.concurrentPerform(iterations: parts.count) { index in
750 |         let result = fn(parts[index])
    |                      |- warning: capture of 'fn' with non-sendable type '([T]) -> [U]' in a '@Sendable' closure; this is an error in the Swift 6 language mode
    |                      `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
751 |         switch index {
752 |         case 0: a = result
/host/spi-builder-workspace/Sources/Utilities.swift:750:25: warning: capture of 'parts' with non-sendable type '[[T]]' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |            `- note: consider making generic parameter 'T' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
748 |     var a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x: [U]?
749 |     DispatchQueue.concurrentPerform(iterations: parts.count) { index in
750 |         let result = fn(parts[index])
    |                         `- warning: capture of 'parts' with non-sendable type '[[T]]' in a '@Sendable' closure; this is an error in the Swift 6 language mode
751 |         switch index {
752 |         case 0: a = result
/host/spi-builder-workspace/Sources/Utilities.swift:752:17: warning: capture of 'a' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
750 |         let result = fn(parts[index])
751 |         switch index {
752 |         case 0: a = result
    |                 `- warning: capture of 'a' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
753 |         case 1: b = result
754 |         case 2: c = result
/host/spi-builder-workspace/Sources/Utilities.swift:753:17: warning: capture of 'b' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
751 |         switch index {
752 |         case 0: a = result
753 |         case 1: b = result
    |                 `- warning: capture of 'b' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
754 |         case 2: c = result
755 |         case 3: d = result
/host/spi-builder-workspace/Sources/Utilities.swift:754:17: warning: capture of 'c' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
752 |         case 0: a = result
753 |         case 1: b = result
754 |         case 2: c = result
    |                 `- warning: capture of 'c' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
755 |         case 3: d = result
756 |         case 4: e = result
/host/spi-builder-workspace/Sources/Utilities.swift:755:17: warning: capture of 'd' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
753 |         case 1: b = result
754 |         case 2: c = result
755 |         case 3: d = result
    |                 `- warning: capture of 'd' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
756 |         case 4: e = result
757 |         case 5: f = result
/host/spi-builder-workspace/Sources/Utilities.swift:756:17: warning: capture of 'e' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
754 |         case 2: c = result
755 |         case 3: d = result
756 |         case 4: e = result
    |                 `- warning: capture of 'e' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
757 |         case 5: f = result
758 |         case 6: g = result
/host/spi-builder-workspace/Sources/Utilities.swift:757:17: warning: capture of 'f' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
755 |         case 3: d = result
756 |         case 4: e = result
757 |         case 5: f = result
    |                 `- warning: capture of 'f' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
758 |         case 6: g = result
759 |         case 7: h = result
/host/spi-builder-workspace/Sources/Utilities.swift:758:17: warning: capture of 'g' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
756 |         case 4: e = result
757 |         case 5: f = result
758 |         case 6: g = result
    |                 `- warning: capture of 'g' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
759 |         case 7: h = result
760 |         case 8: i = result
/host/spi-builder-workspace/Sources/Utilities.swift:759:17: warning: capture of 'h' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
757 |         case 5: f = result
758 |         case 6: g = result
759 |         case 7: h = result
    |                 `- warning: capture of 'h' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
760 |         case 8: i = result
761 |         case 9: j = result
/host/spi-builder-workspace/Sources/Utilities.swift:760:17: warning: capture of 'i' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
758 |         case 6: g = result
759 |         case 7: h = result
760 |         case 8: i = result
    |                 `- warning: capture of 'i' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
761 |         case 9: j = result
762 |         case 10: k = result
/host/spi-builder-workspace/Sources/Utilities.swift:761:17: warning: capture of 'j' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
759 |         case 7: h = result
760 |         case 8: i = result
761 |         case 9: j = result
    |                 `- warning: capture of 'j' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
762 |         case 10: k = result
763 |         case 11: l = result
/host/spi-builder-workspace/Sources/Utilities.swift:762:18: warning: capture of 'k' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
760 |         case 8: i = result
761 |         case 9: j = result
762 |         case 10: k = result
    |                  `- warning: capture of 'k' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
763 |         case 11: l = result
764 |         case 12: m = result
/host/spi-builder-workspace/Sources/Utilities.swift:763:18: warning: capture of 'l' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
761 |         case 9: j = result
762 |         case 10: k = result
763 |         case 11: l = result
    |                  `- warning: capture of 'l' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
764 |         case 12: m = result
765 |         case 13: n = result
/host/spi-builder-workspace/Sources/Utilities.swift:764:18: warning: capture of 'm' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
762 |         case 10: k = result
763 |         case 11: l = result
764 |         case 12: m = result
    |                  `- warning: capture of 'm' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
765 |         case 13: n = result
766 |         case 14: o = result
/host/spi-builder-workspace/Sources/Utilities.swift:765:18: warning: capture of 'n' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
763 |         case 11: l = result
764 |         case 12: m = result
765 |         case 13: n = result
    |                  `- warning: capture of 'n' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
766 |         case 14: o = result
767 |         case 15: p = result
/host/spi-builder-workspace/Sources/Utilities.swift:766:18: warning: capture of 'o' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
764 |         case 12: m = result
765 |         case 13: n = result
766 |         case 14: o = result
    |                  `- warning: capture of 'o' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
767 |         case 15: p = result
768 |         case 16: q = result
/host/spi-builder-workspace/Sources/Utilities.swift:767:18: warning: capture of 'p' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
765 |         case 13: n = result
766 |         case 14: o = result
767 |         case 15: p = result
    |                  `- warning: capture of 'p' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
768 |         case 16: q = result
769 |         case 17: r = result
/host/spi-builder-workspace/Sources/Utilities.swift:768:18: warning: capture of 'q' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
766 |         case 14: o = result
767 |         case 15: p = result
768 |         case 16: q = result
    |                  `- warning: capture of 'q' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
769 |         case 17: r = result
770 |         case 18: s = result
/host/spi-builder-workspace/Sources/Utilities.swift:769:18: warning: capture of 'r' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
767 |         case 15: p = result
768 |         case 16: q = result
769 |         case 17: r = result
    |                  `- warning: capture of 'r' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
770 |         case 18: s = result
771 |         case 19: t = result
/host/spi-builder-workspace/Sources/Utilities.swift:770:18: warning: capture of 's' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
768 |         case 16: q = result
769 |         case 17: r = result
770 |         case 18: s = result
    |                  `- warning: capture of 's' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
771 |         case 19: t = result
772 |         case 20: u = result
/host/spi-builder-workspace/Sources/Utilities.swift:771:18: warning: capture of 't' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
769 |         case 17: r = result
770 |         case 18: s = result
771 |         case 19: t = result
    |                  `- warning: capture of 't' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
772 |         case 20: u = result
773 |         case 21: v = result
/host/spi-builder-workspace/Sources/Utilities.swift:772:18: warning: capture of 'u' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
770 |         case 18: s = result
771 |         case 19: t = result
772 |         case 20: u = result
    |                  `- warning: capture of 'u' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
773 |         case 21: v = result
774 |         case 22: w = result
/host/spi-builder-workspace/Sources/Utilities.swift:773:18: warning: capture of 'v' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
771 |         case 19: t = result
772 |         case 20: u = result
773 |         case 21: v = result
    |                  `- warning: capture of 'v' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
774 |         case 22: w = result
775 |         case 23: x = result
/host/spi-builder-workspace/Sources/Utilities.swift:774:18: warning: capture of 'w' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
772 |         case 20: u = result
773 |         case 21: v = result
774 |         case 22: w = result
    |                  `- warning: capture of 'w' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
775 |         case 23: x = result
776 |         default: preconditionFailure()
/host/spi-builder-workspace/Sources/Utilities.swift:775:18: warning: capture of 'x' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
730 | private let cpuCores = ProcessInfo.processInfo.activeProcessorCount
731 |
732 | func batch<T, U>(
    |               `- note: consider making generic parameter 'U' conform to the 'Sendable' protocol
733 |     _ elements: [T],
734 |     stride minBatchSize: Int,
    :
773 |         case 21: v = result
774 |         case 22: w = result
775 |         case 23: x = result
    |                  `- warning: capture of 'x' with non-sendable type '[U]?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
776 |         default: preconditionFailure()
777 |         }
/host/spi-builder-workspace/Sources/Utilities.swift:752:17: warning: mutation of captured var 'a' in concurrently-executing code; this is an error in the Swift 6 language mode
750 |         let result = fn(parts[index])
751 |         switch index {
752 |         case 0: a = result
    |                 `- warning: mutation of captured var 'a' in concurrently-executing code; this is an error in the Swift 6 language mode
753 |         case 1: b = result
754 |         case 2: c = result
/host/spi-builder-workspace/Sources/Utilities.swift:753:17: warning: mutation of captured var 'b' in concurrently-executing code; this is an error in the Swift 6 language mode
751 |         switch index {
752 |         case 0: a = result
753 |         case 1: b = result
    |                 `- warning: mutation of captured var 'b' in concurrently-executing code; this is an error in the Swift 6 language mode
754 |         case 2: c = result
755 |         case 3: d = result
/host/spi-builder-workspace/Sources/Utilities.swift:754:17: warning: mutation of captured var 'c' in concurrently-executing code; this is an error in the Swift 6 language mode
752 |         case 0: a = result
753 |         case 1: b = result
754 |         case 2: c = result
    |                 `- warning: mutation of captured var 'c' in concurrently-executing code; this is an error in the Swift 6 language mode
755 |         case 3: d = result
756 |         case 4: e = result
/host/spi-builder-workspace/Sources/Utilities.swift:755:17: warning: mutation of captured var 'd' in concurrently-executing code; this is an error in the Swift 6 language mode
753 |         case 1: b = result
754 |         case 2: c = result
755 |         case 3: d = result
    |                 `- warning: mutation of captured var 'd' in concurrently-executing code; this is an error in the Swift 6 language mode
756 |         case 4: e = result
757 |         case 5: f = result
/host/spi-builder-workspace/Sources/Utilities.swift:756:17: warning: mutation of captured var 'e' in concurrently-executing code; this is an error in the Swift 6 language mode
754 |         case 2: c = result
755 |         case 3: d = result
756 |         case 4: e = result
    |                 `- warning: mutation of captured var 'e' in concurrently-executing code; this is an error in the Swift 6 language mode
757 |         case 5: f = result
758 |         case 6: g = result
/host/spi-builder-workspace/Sources/Utilities.swift:757:17: warning: mutation of captured var 'f' in concurrently-executing code; this is an error in the Swift 6 language mode
755 |         case 3: d = result
756 |         case 4: e = result
757 |         case 5: f = result
    |                 `- warning: mutation of captured var 'f' in concurrently-executing code; this is an error in the Swift 6 language mode
758 |         case 6: g = result
759 |         case 7: h = result
/host/spi-builder-workspace/Sources/Utilities.swift:758:17: warning: mutation of captured var 'g' in concurrently-executing code; this is an error in the Swift 6 language mode
756 |         case 4: e = result
757 |         case 5: f = result
758 |         case 6: g = result
    |                 `- warning: mutation of captured var 'g' in concurrently-executing code; this is an error in the Swift 6 language mode
759 |         case 7: h = result
760 |         case 8: i = result
/host/spi-builder-workspace/Sources/Utilities.swift:759:17: warning: mutation of captured var 'h' in concurrently-executing code; this is an error in the Swift 6 language mode
757 |         case 5: f = result
758 |         case 6: g = result
759 |         case 7: h = result
    |                 `- warning: mutation of captured var 'h' in concurrently-executing code; this is an error in the Swift 6 language mode
760 |         case 8: i = result
761 |         case 9: j = result
/host/spi-builder-workspace/Sources/Utilities.swift:760:17: warning: mutation of captured var 'i' in concurrently-executing code; this is an error in the Swift 6 language mode
758 |         case 6: g = result
759 |         case 7: h = result
760 |         case 8: i = result
    |                 `- warning: mutation of captured var 'i' in concurrently-executing code; this is an error in the Swift 6 language mode
761 |         case 9: j = result
762 |         case 10: k = result
/host/spi-builder-workspace/Sources/Utilities.swift:761:17: warning: mutation of captured var 'j' in concurrently-executing code; this is an error in the Swift 6 language mode
759 |         case 7: h = result
760 |         case 8: i = result
761 |         case 9: j = result
    |                 `- warning: mutation of captured var 'j' in concurrently-executing code; this is an error in the Swift 6 language mode
762 |         case 10: k = result
763 |         case 11: l = result
/host/spi-builder-workspace/Sources/Utilities.swift:762:18: warning: mutation of captured var 'k' in concurrently-executing code; this is an error in the Swift 6 language mode
760 |         case 8: i = result
761 |         case 9: j = result
762 |         case 10: k = result
    |                  `- warning: mutation of captured var 'k' in concurrently-executing code; this is an error in the Swift 6 language mode
763 |         case 11: l = result
764 |         case 12: m = result
/host/spi-builder-workspace/Sources/Utilities.swift:763:18: warning: mutation of captured var 'l' in concurrently-executing code; this is an error in the Swift 6 language mode
761 |         case 9: j = result
762 |         case 10: k = result
763 |         case 11: l = result
    |                  `- warning: mutation of captured var 'l' in concurrently-executing code; this is an error in the Swift 6 language mode
764 |         case 12: m = result
765 |         case 13: n = result
/host/spi-builder-workspace/Sources/Utilities.swift:764:18: warning: mutation of captured var 'm' in concurrently-executing code; this is an error in the Swift 6 language mode
762 |         case 10: k = result
763 |         case 11: l = result
764 |         case 12: m = result
    |                  `- warning: mutation of captured var 'm' in concurrently-executing code; this is an error in the Swift 6 language mode
765 |         case 13: n = result
766 |         case 14: o = result
/host/spi-builder-workspace/Sources/Utilities.swift:765:18: warning: mutation of captured var 'n' in concurrently-executing code; this is an error in the Swift 6 language mode
763 |         case 11: l = result
764 |         case 12: m = result
765 |         case 13: n = result
    |                  `- warning: mutation of captured var 'n' in concurrently-executing code; this is an error in the Swift 6 language mode
766 |         case 14: o = result
767 |         case 15: p = result
/host/spi-builder-workspace/Sources/Utilities.swift:766:18: warning: mutation of captured var 'o' in concurrently-executing code; this is an error in the Swift 6 language mode
764 |         case 12: m = result
765 |         case 13: n = result
766 |         case 14: o = result
    |                  `- warning: mutation of captured var 'o' in concurrently-executing code; this is an error in the Swift 6 language mode
767 |         case 15: p = result
768 |         case 16: q = result
/host/spi-builder-workspace/Sources/Utilities.swift:767:18: warning: mutation of captured var 'p' in concurrently-executing code; this is an error in the Swift 6 language mode
765 |         case 13: n = result
766 |         case 14: o = result
767 |         case 15: p = result
    |                  `- warning: mutation of captured var 'p' in concurrently-executing code; this is an error in the Swift 6 language mode
768 |         case 16: q = result
769 |         case 17: r = result
/host/spi-builder-workspace/Sources/Utilities.swift:768:18: warning: mutation of captured var 'q' in concurrently-executing code; this is an error in the Swift 6 language mode
766 |         case 14: o = result
767 |         case 15: p = result
768 |         case 16: q = result
    |                  `- warning: mutation of captured var 'q' in concurrently-executing code; this is an error in the Swift 6 language mode
769 |         case 17: r = result
770 |         case 18: s = result
/host/spi-builder-workspace/Sources/Utilities.swift:769:18: warning: mutation of captured var 'r' in concurrently-executing code; this is an error in the Swift 6 language mode
767 |         case 15: p = result
768 |         case 16: q = result
769 |         case 17: r = result
    |                  `- warning: mutation of captured var 'r' in concurrently-executing code; this is an error in the Swift 6 language mode
770 |         case 18: s = result
771 |         case 19: t = result
/host/spi-builder-workspace/Sources/Utilities.swift:770:18: warning: mutation of captured var 's' in concurrently-executing code; this is an error in the Swift 6 language mode
768 |         case 16: q = result
769 |         case 17: r = result
770 |         case 18: s = result
    |                  `- warning: mutation of captured var 's' in concurrently-executing code; this is an error in the Swift 6 language mode
771 |         case 19: t = result
772 |         case 20: u = result
/host/spi-builder-workspace/Sources/Utilities.swift:771:18: warning: mutation of captured var 't' in concurrently-executing code; this is an error in the Swift 6 language mode
769 |         case 17: r = result
770 |         case 18: s = result
771 |         case 19: t = result
    |                  `- warning: mutation of captured var 't' in concurrently-executing code; this is an error in the Swift 6 language mode
772 |         case 20: u = result
773 |         case 21: v = result
/host/spi-builder-workspace/Sources/Utilities.swift:772:18: warning: mutation of captured var 'u' in concurrently-executing code; this is an error in the Swift 6 language mode
770 |         case 18: s = result
771 |         case 19: t = result
772 |         case 20: u = result
    |                  `- warning: mutation of captured var 'u' in concurrently-executing code; this is an error in the Swift 6 language mode
773 |         case 21: v = result
774 |         case 22: w = result
/host/spi-builder-workspace/Sources/Utilities.swift:773:18: warning: mutation of captured var 'v' in concurrently-executing code; this is an error in the Swift 6 language mode
771 |         case 19: t = result
772 |         case 20: u = result
773 |         case 21: v = result
    |                  `- warning: mutation of captured var 'v' in concurrently-executing code; this is an error in the Swift 6 language mode
774 |         case 22: w = result
775 |         case 23: x = result
/host/spi-builder-workspace/Sources/Utilities.swift:774:18: warning: mutation of captured var 'w' in concurrently-executing code; this is an error in the Swift 6 language mode
772 |         case 20: u = result
773 |         case 21: v = result
774 |         case 22: w = result
    |                  `- warning: mutation of captured var 'w' in concurrently-executing code; this is an error in the Swift 6 language mode
775 |         case 23: x = result
776 |         default: preconditionFailure()
/host/spi-builder-workspace/Sources/Utilities.swift:775:18: warning: mutation of captured var 'x' in concurrently-executing code; this is an error in the Swift 6 language mode
773 |         case 21: v = result
774 |         case 22: w = result
775 |         case 23: x = result
    |                  `- warning: mutation of captured var 'x' in concurrently-executing code; this is an error in the Swift 6 language mode
776 |         default: preconditionFailure()
777 |         }
[17/37] Compiling Euclid Euclid+UIKit.swift
[18/37] Compiling Euclid Line.swift
[19/37] Compiling Euclid LineSegment+CSG.swift
[20/37] Compiling Euclid LineSegment.swift
[21/37] Compiling Euclid Mesh+CSG.swift
/host/spi-builder-workspace/Sources/Mesh+CSG.swift:591:17: warning: capture of 'op1' with non-sendable type '() -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
589 |     DispatchQueue.concurrentPerform(iterations: 2) { index in
590 |         switch index {
591 |         case 0: op1()
    |                 |- warning: capture of 'op1' with non-sendable type '() -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
    |                 `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
592 |         default: op2()
593 |         }
/host/spi-builder-workspace/Sources/Mesh+CSG.swift:592:18: warning: capture of 'op2' with non-sendable type '() -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
590 |         switch index {
591 |         case 0: op1()
592 |         default: op2()
    |                  |- warning: capture of 'op2' with non-sendable type '() -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
    |                  `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
593 |         }
594 |     }
[22/37] Compiling Euclid Mesh+IO.swift
/host/spi-builder-workspace/Sources/Mesh+CSG.swift:591:17: warning: capture of 'op1' with non-sendable type '() -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
589 |     DispatchQueue.concurrentPerform(iterations: 2) { index in
590 |         switch index {
591 |         case 0: op1()
    |                 |- warning: capture of 'op1' with non-sendable type '() -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
    |                 `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
592 |         default: op2()
593 |         }
/host/spi-builder-workspace/Sources/Mesh+CSG.swift:592:18: warning: capture of 'op2' with non-sendable type '() -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
590 |         switch index {
591 |         case 0: op1()
592 |         default: op2()
    |                  |- warning: capture of 'op2' with non-sendable type '() -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
    |                  `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
593 |         }
594 |     }
[23/37] Compiling Euclid Mesh+OBJ.swift
/host/spi-builder-workspace/Sources/Mesh+CSG.swift:591:17: warning: capture of 'op1' with non-sendable type '() -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
589 |     DispatchQueue.concurrentPerform(iterations: 2) { index in
590 |         switch index {
591 |         case 0: op1()
    |                 |- warning: capture of 'op1' with non-sendable type '() -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
    |                 `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
592 |         default: op2()
593 |         }
/host/spi-builder-workspace/Sources/Mesh+CSG.swift:592:18: warning: capture of 'op2' with non-sendable type '() -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
590 |         switch index {
591 |         case 0: op1()
592 |         default: op2()
    |                  |- warning: capture of 'op2' with non-sendable type '() -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
    |                  `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
593 |         }
594 |     }
[24/37] Compiling Euclid Mesh+STL.swift
/host/spi-builder-workspace/Sources/Mesh+CSG.swift:591:17: warning: capture of 'op1' with non-sendable type '() -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
589 |     DispatchQueue.concurrentPerform(iterations: 2) { index in
590 |         switch index {
591 |         case 0: op1()
    |                 |- warning: capture of 'op1' with non-sendable type '() -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
    |                 `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
592 |         default: op2()
593 |         }
/host/spi-builder-workspace/Sources/Mesh+CSG.swift:592:18: warning: capture of 'op2' with non-sendable type '() -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
590 |         switch index {
591 |         case 0: op1()
592 |         default: op2()
    |                  |- warning: capture of 'op2' with non-sendable type '() -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
    |                  `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
593 |         }
594 |     }
[25/37] Compiling Euclid Polygon.swift
/host/spi-builder-workspace/Sources/Polygon.swift:127:16: warning: static property 'codableClasses' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 125 |
 126 |     /// Supported `NSSecureCodable` Material base classes.
 127 |     static var codableClasses: [AnyClass] = {
     |                |- warning: static property 'codableClasses' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: convert 'codableClasses' to a 'let' constant to make 'Sendable' shared state immutable
     |                |- note: add '@MainActor' to make static property 'codableClasses' part of global actor 'MainActor'
     |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 128 |         #if canImport(AppKit) || canImport(UIKit)
 129 |         return [OSImage.self, OSColor.self] + scnMaterialTypes
[26/37] Compiling Euclid Quaternion.swift
/host/spi-builder-workspace/Sources/Polygon.swift:127:16: warning: static property 'codableClasses' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 125 |
 126 |     /// Supported `NSSecureCodable` Material base classes.
 127 |     static var codableClasses: [AnyClass] = {
     |                |- warning: static property 'codableClasses' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: convert 'codableClasses' to a 'let' constant to make 'Sendable' shared state immutable
     |                |- note: add '@MainActor' to make static property 'codableClasses' part of global actor 'MainActor'
     |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 128 |         #if canImport(AppKit) || canImport(UIKit)
 129 |         return [OSImage.self, OSColor.self] + scnMaterialTypes
[27/37] Compiling Euclid Rotation.swift
/host/spi-builder-workspace/Sources/Polygon.swift:127:16: warning: static property 'codableClasses' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 125 |
 126 |     /// Supported `NSSecureCodable` Material base classes.
 127 |     static var codableClasses: [AnyClass] = {
     |                |- warning: static property 'codableClasses' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: convert 'codableClasses' to a 'let' constant to make 'Sendable' shared state immutable
     |                |- note: add '@MainActor' to make static property 'codableClasses' part of global actor 'MainActor'
     |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 128 |         #if canImport(AppKit) || canImport(UIKit)
 129 |         return [OSImage.self, OSColor.self] + scnMaterialTypes
[28/37] Compiling Euclid Stretchable.swift
/host/spi-builder-workspace/Sources/Polygon.swift:127:16: warning: static property 'codableClasses' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 125 |
 126 |     /// Supported `NSSecureCodable` Material base classes.
 127 |     static var codableClasses: [AnyClass] = {
     |                |- warning: static property 'codableClasses' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
     |                |- note: convert 'codableClasses' to a 'let' constant to make 'Sendable' shared state immutable
     |                |- note: add '@MainActor' to make static property 'codableClasses' part of global actor 'MainActor'
     |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 128 |         #if canImport(AppKit) || canImport(UIKit)
 129 |         return [OSImage.self, OSColor.self] + scnMaterialTypes
[29/37] Compiling Euclid Angle.swift
[30/37] Compiling Euclid BSP.swift
[31/37] Compiling Euclid Bounds.swift
[32/37] Compiling Euclid Color.swift
[33/37] Compiling Euclid Euclid+AppKit.swift
[34/37] Compiling Euclid Path.swift
[35/37] Compiling Euclid PathPoint.swift
[36/37] Compiling Euclid Plane.swift
[37/37] Compiling Euclid Polygon+CSG.swift
Build complete! (7.44s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Euclid",
  "name" : "Euclid",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Euclid",
      "targets" : [
        "Euclid"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "EuclidTests",
      "module_type" : "SwiftTarget",
      "name" : "EuclidTests",
      "path" : "Tests",
      "sources" : [
        "AngleTests.swift",
        "BoundsTests.swift",
        "CGPathTests.swift",
        "CodingTests.swift",
        "Euclid+Testing.swift",
        "LineSegmentTests.swift",
        "LineTests.swift",
        "MeshCSGTests.swift",
        "MeshExportTests.swift",
        "MeshImportTests.swift",
        "MeshShapeTests.swift",
        "MeshTests.swift",
        "MetadataTests.swift",
        "PathShapeTests.swift",
        "PathTests.swift",
        "PlaneTests.swift",
        "PolygonCSGTests.swift",
        "PolygonTests.swift",
        "QuaternionTests.swift",
        "RealityKitTests.swift",
        "SceneKitTests.swift",
        "StretchableTests.swift",
        "TextTests.swift",
        "TransformTests.swift",
        "UtilityTests.swift",
        "VectorTests.swift"
      ],
      "target_dependencies" : [
        "Euclid"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Euclid",
      "module_type" : "SwiftTarget",
      "name" : "Euclid",
      "path" : "Sources",
      "product_memberships" : [
        "Euclid"
      ],
      "sources" : [
        "Angle.swift",
        "BSP.swift",
        "Bounds.swift",
        "Color.swift",
        "Euclid+AppKit.swift",
        "Euclid+CoreGraphics.swift",
        "Euclid+CoreText.swift",
        "Euclid+RealityKit.swift",
        "Euclid+SIMD.swift",
        "Euclid+SceneKit.swift",
        "Euclid+UIKit.swift",
        "Line.swift",
        "LineSegment+CSG.swift",
        "LineSegment.swift",
        "Mesh+CSG.swift",
        "Mesh+IO.swift",
        "Mesh+OBJ.swift",
        "Mesh+STL.swift",
        "Mesh+Shapes.swift",
        "Mesh+Texcoords.swift",
        "Mesh.swift",
        "Path+Shapes.swift",
        "Path.swift",
        "PathPoint.swift",
        "Plane.swift",
        "Polygon+CSG.swift",
        "Polygon.swift",
        "Quaternion.swift",
        "Rotation.swift",
        "Stretchable.swift",
        "Transforms.swift",
        "Utilities.swift",
        "Vector.swift",
        "Vertex.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Done.