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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 CircularProgress, reference main (576adc), with Swift 6.0 for macOS (SPM) on 2 Nov 2024 20:25:47 UTC.

Swift 6 data race errors: 8

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.56.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/sindresorhus/CircularProgress.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/sindresorhus/CircularProgress
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 576adc4 Tweaks
Cloned https://github.com/sindresorhus/CircularProgress.git
Revision (git rev-parse @):
576adc48fee51b27ac51f0271297f9f69571e9e6
SUCCESS checkout https://github.com/sindresorhus/CircularProgress.git at main
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "circularprogress",
      "name": "CircularProgress",
      "url": "https://github.com/sindresorhus/CircularProgress.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/CircularProgress",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/sindresorhus/CircularProgress.git
[11/1063] Fetching circularprogress
Fetched https://github.com/sindresorhus/CircularProgress.git from cache (1.30s)
Creating working copy for https://github.com/sindresorhus/CircularProgress.git
Working copy of https://github.com/sindresorhus/CircularProgress.git resolved at main (576adc4)
warning: '.resolve-product-dependencies': dependency 'circularprogress' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/sindresorhus/CircularProgress.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version--7754E27361AE5C74.txt
[3/8] Compiling CircularProgress CustomButton+Utilities.swift
[4/8] Compiling CircularProgress CheckmarkView.swift
/Users/admin/builder/spi-builder-workspace/Sources/CircularProgress/Utilities.swift:101:13: warning: static property 'easeOut' is not concurrency-safe because non-'Sendable' type 'CAMediaTimingFunction' may have shared mutable state; this is an error in the Swift 6 language mode
 99 | 	static let linear = CAMediaTimingFunction(name: .linear)
100 | 	static let easeIn = CAMediaTimingFunction(name: .easeIn)
101 | 	static let easeOut = CAMediaTimingFunction(name: .easeOut)
    |             |- warning: static property 'easeOut' is not concurrency-safe because non-'Sendable' type 'CAMediaTimingFunction' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'easeOut' 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
102 | 	static let easeInOut = CAMediaTimingFunction(name: .easeInEaseOut)
103 | }
QuartzCore.CAMediaTimingFunction:2:12: note: class 'CAMediaTimingFunction' does not conform to the 'Sendable' protocol
 1 | @available(macOS 10.5, *)
 2 | open class CAMediaTimingFunction : NSObject, NSSecureCoding {
   |            `- note: class 'CAMediaTimingFunction' does not conform to the 'Sendable' protocol
 3 |     public convenience init(name: CAMediaTimingFunctionName)
 4 |     @available(*, unavailable, renamed: "init(name:)", message: "Not available in Swift")
[5/8] Emitting module CircularProgress
/Users/admin/builder/spi-builder-workspace/Sources/CircularProgress/Utilities.swift:101:13: warning: static property 'easeOut' is not concurrency-safe because non-'Sendable' type 'CAMediaTimingFunction' may have shared mutable state; this is an error in the Swift 6 language mode
 99 | 	static let linear = CAMediaTimingFunction(name: .linear)
100 | 	static let easeIn = CAMediaTimingFunction(name: .easeIn)
101 | 	static let easeOut = CAMediaTimingFunction(name: .easeOut)
    |             |- warning: static property 'easeOut' is not concurrency-safe because non-'Sendable' type 'CAMediaTimingFunction' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'easeOut' 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
102 | 	static let easeInOut = CAMediaTimingFunction(name: .easeInEaseOut)
103 | }
QuartzCore.CAMediaTimingFunction:2:12: note: class 'CAMediaTimingFunction' does not conform to the 'Sendable' protocol
 1 | @available(macOS 10.5, *)
 2 | open class CAMediaTimingFunction : NSObject, NSSecureCoding {
   |            `- note: class 'CAMediaTimingFunction' does not conform to the 'Sendable' protocol
 3 |     public convenience init(name: CAMediaTimingFunctionName)
 4 |     @available(*, unavailable, renamed: "init(name:)", message: "Not available in Swift")
/Users/admin/builder/spi-builder-workspace/Sources/CircularProgress/Utilities.swift:175:13: warning: static property 'helveticaNeueLight' is not concurrency-safe because non-'Sendable' type 'NSFont?' may have shared mutable state; this is an error in the Swift 6 language mode
173 |
174 | extension NSFont {
175 | 	static let helveticaNeueLight = NSFont(name: "HelveticaNeue-Light", size: 0)
    |             |- warning: static property 'helveticaNeueLight' is not concurrency-safe because non-'Sendable' type 'NSFont?' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'helveticaNeueLight' 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
176 | }
177 |
Swift.Optional:1:21: note: generic enum 'Optional' does not conform to the 'Sendable' protocol
1 | @frozen public enum Optional<Wrapped> : ~Copyable where Wrapped : ~Copyable {
  |                     `- note: generic enum 'Optional' does not conform to the 'Sendable' protocol
2 |     case none
3 |     case some(Wrapped)
/Users/admin/builder/spi-builder-workspace/Sources/CircularProgress/CircularProgress.swift:222:23: warning: main actor-isolated instance method 'prepareForInterfaceBuilder()' has different actor isolation from nonisolated overridden declaration; this is an error in the Swift 6 language mode
220 |
221 | 	@MainActor
222 | 	override public func prepareForInterfaceBuilder() {
    |                       `- warning: main actor-isolated instance method 'prepareForInterfaceBuilder()' has different actor isolation from nonisolated overridden declaration; this is an error in the Swift 6 language mode
223 | 		super.prepareForInterfaceBuilder()
224 | 		commonInit()
AppKit.NSObject:7:15: note: overridden declaration is here
5 |     open class func prepareForInterfaceBuilder()
6 |     @available(macOS 10.10, *)
7 |     open func prepareForInterfaceBuilder()
  |               `- note: overridden declaration is here
8 | }
/Users/admin/builder/spi-builder-workspace/Sources/CircularProgress/Utilities.swift:98:13: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'CAMediaTimingFunction' may have shared mutable state; this is an error in the Swift 6 language mode
 96 |
 97 | extension CAMediaTimingFunction {
 98 | 	static let `default` = CAMediaTimingFunction(name: .default)
    |             |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'CAMediaTimingFunction' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'default' 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
 99 | 	static let linear = CAMediaTimingFunction(name: .linear)
100 | 	static let easeIn = CAMediaTimingFunction(name: .easeIn)
QuartzCore.CAMediaTimingFunction:2:12: note: class 'CAMediaTimingFunction' does not conform to the 'Sendable' protocol
 1 | @available(macOS 10.5, *)
 2 | open class CAMediaTimingFunction : NSObject, NSSecureCoding {
   |            `- note: class 'CAMediaTimingFunction' does not conform to the 'Sendable' protocol
 3 |     public convenience init(name: CAMediaTimingFunctionName)
 4 |     @available(*, unavailable, renamed: "init(name:)", message: "Not available in Swift")
/Users/admin/builder/spi-builder-workspace/Sources/CircularProgress/Utilities.swift:99:13: warning: static property 'linear' is not concurrency-safe because non-'Sendable' type 'CAMediaTimingFunction' may have shared mutable state; this is an error in the Swift 6 language mode
 97 | extension CAMediaTimingFunction {
 98 | 	static let `default` = CAMediaTimingFunction(name: .default)
 99 | 	static let linear = CAMediaTimingFunction(name: .linear)
    |             |- warning: static property 'linear' is not concurrency-safe because non-'Sendable' type 'CAMediaTimingFunction' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'linear' 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
100 | 	static let easeIn = CAMediaTimingFunction(name: .easeIn)
101 | 	static let easeOut = CAMediaTimingFunction(name: .easeOut)
QuartzCore.CAMediaTimingFunction:2:12: note: class 'CAMediaTimingFunction' does not conform to the 'Sendable' protocol
 1 | @available(macOS 10.5, *)
 2 | open class CAMediaTimingFunction : NSObject, NSSecureCoding {
   |            `- note: class 'CAMediaTimingFunction' does not conform to the 'Sendable' protocol
 3 |     public convenience init(name: CAMediaTimingFunctionName)
 4 |     @available(*, unavailable, renamed: "init(name:)", message: "Not available in Swift")
/Users/admin/builder/spi-builder-workspace/Sources/CircularProgress/Utilities.swift:100:13: warning: static property 'easeIn' is not concurrency-safe because non-'Sendable' type 'CAMediaTimingFunction' may have shared mutable state; this is an error in the Swift 6 language mode
 98 | 	static let `default` = CAMediaTimingFunction(name: .default)
 99 | 	static let linear = CAMediaTimingFunction(name: .linear)
100 | 	static let easeIn = CAMediaTimingFunction(name: .easeIn)
    |             |- warning: static property 'easeIn' is not concurrency-safe because non-'Sendable' type 'CAMediaTimingFunction' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'easeIn' 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
101 | 	static let easeOut = CAMediaTimingFunction(name: .easeOut)
102 | 	static let easeInOut = CAMediaTimingFunction(name: .easeInEaseOut)
QuartzCore.CAMediaTimingFunction:2:12: note: class 'CAMediaTimingFunction' does not conform to the 'Sendable' protocol
 1 | @available(macOS 10.5, *)
 2 | open class CAMediaTimingFunction : NSObject, NSSecureCoding {
   |            `- note: class 'CAMediaTimingFunction' does not conform to the 'Sendable' protocol
 3 |     public convenience init(name: CAMediaTimingFunctionName)
 4 |     @available(*, unavailable, renamed: "init(name:)", message: "Not available in Swift")
/Users/admin/builder/spi-builder-workspace/Sources/CircularProgress/Utilities.swift:102:13: warning: static property 'easeInOut' is not concurrency-safe because non-'Sendable' type 'CAMediaTimingFunction' may have shared mutable state; this is an error in the Swift 6 language mode
100 | 	static let easeIn = CAMediaTimingFunction(name: .easeIn)
101 | 	static let easeOut = CAMediaTimingFunction(name: .easeOut)
102 | 	static let easeInOut = CAMediaTimingFunction(name: .easeInEaseOut)
    |             |- warning: static property 'easeInOut' is not concurrency-safe because non-'Sendable' type 'CAMediaTimingFunction' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'easeInOut' 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
103 | }
104 |
QuartzCore.CAMediaTimingFunction:2:12: note: class 'CAMediaTimingFunction' does not conform to the 'Sendable' protocol
 1 | @available(macOS 10.5, *)
 2 | open class CAMediaTimingFunction : NSObject, NSSecureCoding {
   |            `- note: class 'CAMediaTimingFunction' does not conform to the 'Sendable' protocol
 3 |     public convenience init(name: CAMediaTimingFunctionName)
 4 |     @available(*, unavailable, renamed: "init(name:)", message: "Not available in Swift")
/Users/admin/builder/spi-builder-workspace/Sources/CircularProgress/Utilities.swift:353:14: warning: static property 'onActionClosure' is not concurrency-safe because non-'Sendable' type 'AssociatedObject<NSControl.ActionClosure>' (aka 'AssociatedObject<(NSControl) -> ()>') may have shared mutable state; this is an error in the Swift 6 language mode
336 |
337 |
338 | final class AssociatedObject<T: Any> {
    |             `- note: generic class 'AssociatedObject' does not conform to the 'Sendable' protocol
339 | 	subscript(index: AnyObject) -> T? {
340 | 		get {
    :
351 |
352 | 	private enum AssociatedKeys {
353 | 		static let onActionClosure = AssociatedObject<ActionClosure>()
    |              |- warning: static property 'onActionClosure' is not concurrency-safe because non-'Sendable' type 'AssociatedObject<NSControl.ActionClosure>' (aka 'AssociatedObject<(NSControl) -> ()>') may have shared mutable state; this is an error in the Swift 6 language mode
    |              |- note: annotate 'onActionClosure' 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
354 | 	}
355 |
[6/8] Compiling CircularProgress CustomButton.swift
[7/8] Compiling CircularProgress Utilities.swift
/Users/admin/builder/spi-builder-workspace/Sources/CircularProgress/Utilities.swift:98:13: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'CAMediaTimingFunction' may have shared mutable state; this is an error in the Swift 6 language mode
 96 |
 97 | extension CAMediaTimingFunction {
 98 | 	static let `default` = CAMediaTimingFunction(name: .default)
    |             |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'CAMediaTimingFunction' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'default' 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
 99 | 	static let linear = CAMediaTimingFunction(name: .linear)
100 | 	static let easeIn = CAMediaTimingFunction(name: .easeIn)
QuartzCore.CAMediaTimingFunction:2:12: note: class 'CAMediaTimingFunction' does not conform to the 'Sendable' protocol
 1 | @available(macOS 10.5, *)
 2 | open class CAMediaTimingFunction : NSObject, NSSecureCoding {
   |            `- note: class 'CAMediaTimingFunction' does not conform to the 'Sendable' protocol
 3 |     public convenience init(name: CAMediaTimingFunctionName)
 4 |     @available(*, unavailable, renamed: "init(name:)", message: "Not available in Swift")
/Users/admin/builder/spi-builder-workspace/Sources/CircularProgress/Utilities.swift:99:13: warning: static property 'linear' is not concurrency-safe because non-'Sendable' type 'CAMediaTimingFunction' may have shared mutable state; this is an error in the Swift 6 language mode
 97 | extension CAMediaTimingFunction {
 98 | 	static let `default` = CAMediaTimingFunction(name: .default)
 99 | 	static let linear = CAMediaTimingFunction(name: .linear)
    |             |- warning: static property 'linear' is not concurrency-safe because non-'Sendable' type 'CAMediaTimingFunction' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'linear' 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
100 | 	static let easeIn = CAMediaTimingFunction(name: .easeIn)
101 | 	static let easeOut = CAMediaTimingFunction(name: .easeOut)
QuartzCore.CAMediaTimingFunction:2:12: note: class 'CAMediaTimingFunction' does not conform to the 'Sendable' protocol
 1 | @available(macOS 10.5, *)
 2 | open class CAMediaTimingFunction : NSObject, NSSecureCoding {
   |            `- note: class 'CAMediaTimingFunction' does not conform to the 'Sendable' protocol
 3 |     public convenience init(name: CAMediaTimingFunctionName)
 4 |     @available(*, unavailable, renamed: "init(name:)", message: "Not available in Swift")
/Users/admin/builder/spi-builder-workspace/Sources/CircularProgress/Utilities.swift:100:13: warning: static property 'easeIn' is not concurrency-safe because non-'Sendable' type 'CAMediaTimingFunction' may have shared mutable state; this is an error in the Swift 6 language mode
 98 | 	static let `default` = CAMediaTimingFunction(name: .default)
 99 | 	static let linear = CAMediaTimingFunction(name: .linear)
100 | 	static let easeIn = CAMediaTimingFunction(name: .easeIn)
    |             |- warning: static property 'easeIn' is not concurrency-safe because non-'Sendable' type 'CAMediaTimingFunction' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'easeIn' 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
101 | 	static let easeOut = CAMediaTimingFunction(name: .easeOut)
102 | 	static let easeInOut = CAMediaTimingFunction(name: .easeInEaseOut)
QuartzCore.CAMediaTimingFunction:2:12: note: class 'CAMediaTimingFunction' does not conform to the 'Sendable' protocol
 1 | @available(macOS 10.5, *)
 2 | open class CAMediaTimingFunction : NSObject, NSSecureCoding {
   |            `- note: class 'CAMediaTimingFunction' does not conform to the 'Sendable' protocol
 3 |     public convenience init(name: CAMediaTimingFunctionName)
 4 |     @available(*, unavailable, renamed: "init(name:)", message: "Not available in Swift")
/Users/admin/builder/spi-builder-workspace/Sources/CircularProgress/Utilities.swift:101:13: warning: static property 'easeOut' is not concurrency-safe because non-'Sendable' type 'CAMediaTimingFunction' may have shared mutable state; this is an error in the Swift 6 language mode
 99 | 	static let linear = CAMediaTimingFunction(name: .linear)
100 | 	static let easeIn = CAMediaTimingFunction(name: .easeIn)
101 | 	static let easeOut = CAMediaTimingFunction(name: .easeOut)
    |             |- warning: static property 'easeOut' is not concurrency-safe because non-'Sendable' type 'CAMediaTimingFunction' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'easeOut' 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
102 | 	static let easeInOut = CAMediaTimingFunction(name: .easeInEaseOut)
103 | }
QuartzCore.CAMediaTimingFunction:2:12: note: class 'CAMediaTimingFunction' does not conform to the 'Sendable' protocol
 1 | @available(macOS 10.5, *)
 2 | open class CAMediaTimingFunction : NSObject, NSSecureCoding {
   |            `- note: class 'CAMediaTimingFunction' does not conform to the 'Sendable' protocol
 3 |     public convenience init(name: CAMediaTimingFunctionName)
 4 |     @available(*, unavailable, renamed: "init(name:)", message: "Not available in Swift")
/Users/admin/builder/spi-builder-workspace/Sources/CircularProgress/Utilities.swift:102:13: warning: static property 'easeInOut' is not concurrency-safe because non-'Sendable' type 'CAMediaTimingFunction' may have shared mutable state; this is an error in the Swift 6 language mode
100 | 	static let easeIn = CAMediaTimingFunction(name: .easeIn)
101 | 	static let easeOut = CAMediaTimingFunction(name: .easeOut)
102 | 	static let easeInOut = CAMediaTimingFunction(name: .easeInEaseOut)
    |             |- warning: static property 'easeInOut' is not concurrency-safe because non-'Sendable' type 'CAMediaTimingFunction' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'easeInOut' 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
103 | }
104 |
QuartzCore.CAMediaTimingFunction:2:12: note: class 'CAMediaTimingFunction' does not conform to the 'Sendable' protocol
 1 | @available(macOS 10.5, *)
 2 | open class CAMediaTimingFunction : NSObject, NSSecureCoding {
   |            `- note: class 'CAMediaTimingFunction' does not conform to the 'Sendable' protocol
 3 |     public convenience init(name: CAMediaTimingFunctionName)
 4 |     @available(*, unavailable, renamed: "init(name:)", message: "Not available in Swift")
/Users/admin/builder/spi-builder-workspace/Sources/CircularProgress/Utilities.swift:175:13: warning: static property 'helveticaNeueLight' is not concurrency-safe because non-'Sendable' type 'NSFont?' may have shared mutable state; this is an error in the Swift 6 language mode
173 |
174 | extension NSFont {
175 | 	static let helveticaNeueLight = NSFont(name: "HelveticaNeue-Light", size: 0)
    |             |- warning: static property 'helveticaNeueLight' is not concurrency-safe because non-'Sendable' type 'NSFont?' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'helveticaNeueLight' 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
176 | }
177 |
Swift.Optional:1:21: note: generic enum 'Optional' does not conform to the 'Sendable' protocol
1 | @frozen public enum Optional<Wrapped> : ~Copyable where Wrapped : ~Copyable {
  |                     `- note: generic enum 'Optional' does not conform to the 'Sendable' protocol
2 |     case none
3 |     case some(Wrapped)
/Users/admin/builder/spi-builder-workspace/Sources/CircularProgress/Utilities.swift:353:14: warning: static property 'onActionClosure' is not concurrency-safe because non-'Sendable' type 'AssociatedObject<NSControl.ActionClosure>' (aka 'AssociatedObject<(NSControl) -> ()>') may have shared mutable state; this is an error in the Swift 6 language mode
336 |
337 |
338 | final class AssociatedObject<T: Any> {
    |             `- note: generic class 'AssociatedObject' does not conform to the 'Sendable' protocol
339 | 	subscript(index: AnyObject) -> T? {
340 | 		get {
    :
351 |
352 | 	private enum AssociatedKeys {
353 | 		static let onActionClosure = AssociatedObject<ActionClosure>()
    |              |- warning: static property 'onActionClosure' is not concurrency-safe because non-'Sendable' type 'AssociatedObject<NSControl.ActionClosure>' (aka 'AssociatedObject<(NSControl) -> ()>') may have shared mutable state; this is an error in the Swift 6 language mode
    |              |- note: annotate 'onActionClosure' 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
354 | 	}
355 |
/Users/admin/builder/spi-builder-workspace/Sources/CircularProgress/Utilities.swift:92:52: warning: passing non-sendable parameter 'execute' to function expecting a @Sendable closure
 89 | 	```
 90 | 	*/
 91 | 	func asyncAfter(duration: TimeInterval, execute: @escaping () -> Void) {
    |                                          `- note: parameter 'execute' is implicitly non-sendable
 92 | 		asyncAfter(deadline: .now() + duration, execute: execute)
    |                                                    `- warning: passing non-sendable parameter 'execute' to function expecting a @Sendable closure
 93 | 	}
 94 | }
/Users/admin/builder/spi-builder-workspace/Sources/CircularProgress/Utilities.swift:117:45: warning: capture of 'timingFunction' with non-sendable type 'CAMediaTimingFunction' in a `@Sendable` closure; this is an error in the Swift 6 language mode
115 | 			CATransaction.begin()
116 | 			CATransaction.setAnimationDuration(duration)
117 | 			CATransaction.setAnimationTimingFunction(timingFunction)
    |                                             `- warning: capture of 'timingFunction' with non-sendable type 'CAMediaTimingFunction' in a `@Sendable` closure; this is an error in the Swift 6 language mode
118 |
119 | 			if let completion {
QuartzCore.CAMediaTimingFunction:2:12: note: class 'CAMediaTimingFunction' does not conform to the 'Sendable' protocol
 1 | @available(macOS 10.5, *)
 2 | open class CAMediaTimingFunction : NSObject, NSSecureCoding {
   |            `- note: class 'CAMediaTimingFunction' does not conform to the 'Sendable' protocol
 3 |     public convenience init(name: CAMediaTimingFunctionName)
 4 |     @available(*, unavailable, renamed: "init(name:)", message: "Not available in Swift")
/Users/admin/builder/spi-builder-workspace/Sources/CircularProgress/Utilities.swift:119:11: warning: capture of 'completion' with non-sendable type '(() -> Void)?' in a `@Sendable` closure; this is an error in the Swift 6 language mode
117 | 			CATransaction.setAnimationTimingFunction(timingFunction)
118 |
119 | 			if let completion {
    |           |- warning: capture of 'completion' 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'
120 | 				CATransaction.setCompletionBlock(completion)
121 | 			}
/Users/admin/builder/spi-builder-workspace/Sources/CircularProgress/Utilities.swift:123:4: warning: capture of 'animations' with non-sendable type '() -> Void' in a `@Sendable` closure; this is an error in the Swift 6 language mode
121 | 			}
122 |
123 | 			animations()
    |    |- warning: capture of 'animations' 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'
124 | 			CATransaction.commit()
125 | 		}
/Users/admin/builder/spi-builder-workspace/Sources/CircularProgress/Utilities.swift:117:45: warning: sending 'timingFunction' risks causing data races; this is an error in the Swift 6 language mode
115 | 			CATransaction.begin()
116 | 			CATransaction.setAnimationDuration(duration)
117 | 			CATransaction.setAnimationTimingFunction(timingFunction)
    |                                             |- warning: sending 'timingFunction' risks causing data races; this is an error in the Swift 6 language mode
    |                                             `- note: task-isolated 'timingFunction' is captured by a main actor-isolated closure. main actor-isolated uses in closure may race against later nonisolated uses
118 |
119 | 			if let completion {
/Users/admin/builder/spi-builder-workspace/Sources/CircularProgress/Utilities.swift:119:11: warning: sending 'completion' risks causing data races; this is an error in the Swift 6 language mode
117 | 			CATransaction.setAnimationTimingFunction(timingFunction)
118 |
119 | 			if let completion {
    |           |- warning: sending 'completion' risks causing data races; this is an error in the Swift 6 language mode
    |           `- note: task-isolated 'completion' is captured by a main actor-isolated closure. main actor-isolated uses in closure may race against later nonisolated uses
120 | 				CATransaction.setCompletionBlock(completion)
121 | 			}
/Users/admin/builder/spi-builder-workspace/Sources/CircularProgress/Utilities.swift:123:4: warning: sending 'animations' risks causing data races; this is an error in the Swift 6 language mode
121 | 			}
122 |
123 | 			animations()
    |    |- warning: sending 'animations' risks causing data races; this is an error in the Swift 6 language mode
    |    `- note: task-isolated 'animations' is captured by a main actor-isolated closure. main actor-isolated uses in closure may race against later nonisolated uses
124 | 			CATransaction.commit()
125 | 		}
[8/8] Compiling CircularProgress CircularProgress.swift
/Users/admin/builder/spi-builder-workspace/Sources/CircularProgress/Utilities.swift:175:13: warning: static property 'helveticaNeueLight' is not concurrency-safe because non-'Sendable' type 'NSFont?' may have shared mutable state; this is an error in the Swift 6 language mode
173 |
174 | extension NSFont {
175 | 	static let helveticaNeueLight = NSFont(name: "HelveticaNeue-Light", size: 0)
    |             |- warning: static property 'helveticaNeueLight' is not concurrency-safe because non-'Sendable' type 'NSFont?' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'helveticaNeueLight' 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
176 | }
177 |
Swift.Optional:1:21: note: generic enum 'Optional' does not conform to the 'Sendable' protocol
1 | @frozen public enum Optional<Wrapped> : ~Copyable where Wrapped : ~Copyable {
  |                     `- note: generic enum 'Optional' does not conform to the 'Sendable' protocol
2 |     case none
3 |     case some(Wrapped)
/Users/admin/builder/spi-builder-workspace/Sources/CircularProgress/CircularProgress.swift:222:23: warning: main actor-isolated instance method 'prepareForInterfaceBuilder()' has different actor isolation from nonisolated overridden declaration; this is an error in the Swift 6 language mode
220 |
221 | 	@MainActor
222 | 	override public func prepareForInterfaceBuilder() {
    |                       `- warning: main actor-isolated instance method 'prepareForInterfaceBuilder()' has different actor isolation from nonisolated overridden declaration; this is an error in the Swift 6 language mode
223 | 		super.prepareForInterfaceBuilder()
224 | 		commonInit()
AppKit.NSObject:7:15: note: overridden declaration is here
5 |     open class func prepareForInterfaceBuilder()
6 |     @available(macOS 10.10, *)
7 |     open func prepareForInterfaceBuilder()
  |               `- note: overridden declaration is here
8 | }
/Users/admin/builder/spi-builder-workspace/Sources/CircularProgress/Utilities.swift:101:13: warning: static property 'easeOut' is not concurrency-safe because non-'Sendable' type 'CAMediaTimingFunction' may have shared mutable state; this is an error in the Swift 6 language mode
 99 | 	static let linear = CAMediaTimingFunction(name: .linear)
100 | 	static let easeIn = CAMediaTimingFunction(name: .easeIn)
101 | 	static let easeOut = CAMediaTimingFunction(name: .easeOut)
    |             |- warning: static property 'easeOut' is not concurrency-safe because non-'Sendable' type 'CAMediaTimingFunction' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'easeOut' 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
102 | 	static let easeInOut = CAMediaTimingFunction(name: .easeInEaseOut)
103 | }
QuartzCore.CAMediaTimingFunction:2:12: note: class 'CAMediaTimingFunction' does not conform to the 'Sendable' protocol
 1 | @available(macOS 10.5, *)
 2 | open class CAMediaTimingFunction : NSObject, NSSecureCoding {
   |            `- note: class 'CAMediaTimingFunction' does not conform to the 'Sendable' protocol
 3 |     public convenience init(name: CAMediaTimingFunctionName)
 4 |     @available(*, unavailable, renamed: "init(name:)", message: "Not available in Swift")
Build complete! (9.78s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "CircularProgress",
  "name" : "CircularProgress",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    }
  ],
  "products" : [
    {
      "name" : "CircularProgress",
      "targets" : [
        "CircularProgress"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CircularProgress",
      "module_type" : "SwiftTarget",
      "name" : "CircularProgress",
      "path" : "Sources/CircularProgress",
      "product_memberships" : [
        "CircularProgress"
      ],
      "sources" : [
        "CheckmarkView.swift",
        "CircularProgress.swift",
        "Utilities.swift",
        "Vendored/CustomButton+Utilities.swift",
        "Vendored/CustomButton.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Done.