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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 0.7.11 (067e21), with Swift 6.0 for Linux on 16 Apr 2025 01:37:50 UTC.

Swift 6 data race errors: 2

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-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: 4.60.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/nicklockwood/Euclid.git
Reference: 0.7.11
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
 * tag               0.7.11     -> FETCH_HEAD
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 0.7.11
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
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-4609320-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-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-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:9029076bb687edc160a3d5201c89e92dd9fa7309f33f090c4234365c83366c31
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-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: annotate 'codableClasses' with '@MainActor' if property should only be accessed from the main actor
     |                `- 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: annotate 'identity' with '@MainActor' if property should only be accessed from the main actor
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
216 |
217 |     /// Creates a offset transform.
[4/37] 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: annotate 'identity' with '@MainActor' if property should only be accessed from the main actor
    |                `- 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 |         }
[5/37] 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: annotate 'identity' with '@MainActor' if property should only be accessed from the main actor
    |                `- 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 |         }
[6/37] 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: annotate 'identity' with '@MainActor' if property should only be accessed from the main actor
    |                `- 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 |         }
[7/37] 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: annotate 'identity' with '@MainActor' if property should only be accessed from the main actor
    |                `- 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 |         }
[8/37] Compiling Euclid Euclid+CoreGraphics.swift
[9/37] Compiling Euclid Euclid+CoreText.swift
[10/37] Compiling Euclid Euclid+RealityKit.swift
[11/37] Compiling Euclid Euclid+SIMD.swift
[12/37] Compiling Euclid Euclid+SceneKit.swift
[13/37] Compiling Euclid Angle.swift
[14/37] Compiling Euclid BSP.swift
[15/37] Compiling Euclid Bounds.swift
[16/37] Compiling Euclid Color.swift
[17/37] Compiling Euclid Euclid+AppKit.swift
[18/37] 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: annotate 'codableClasses' with '@MainActor' if property should only be accessed from the main actor
     |                `- 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
[19/37] 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: annotate 'codableClasses' with '@MainActor' if property should only be accessed from the main actor
     |                `- 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
[20/37] 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: annotate 'codableClasses' with '@MainActor' if property should only be accessed from the main actor
     |                `- 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
[21/37] 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: annotate 'codableClasses' with '@MainActor' if property should only be accessed from the main actor
     |                `- 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
[22/37] Compiling Euclid Euclid+UIKit.swift
[23/37] Compiling Euclid Line.swift
[24/37] Compiling Euclid LineSegment+CSG.swift
[25/37] Compiling Euclid LineSegment.swift
[26/37] 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 |     }
[27/37] 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 |     }
[28/37] 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 |     }
[29/37] 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 |     }
[30/37] Compiling Euclid Path.swift
[31/37] Compiling Euclid PathPoint.swift
[32/37] Compiling Euclid Plane.swift
[33/37] Compiling Euclid Polygon+CSG.swift
[34/37] Compiling Euclid Mesh+Shapes.swift
[35/37] Compiling Euclid Mesh+Texcoords.swift
[36/37] Compiling Euclid Mesh.swift
[37/37] Compiling Euclid Path+Shapes.swift
Build complete! (10.81s)
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-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:9029076bb687edc160a3d5201c89e92dd9fa7309f33f090c4234365c83366c31
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Done.