Swift Package IndexBuild Information
Successful build of ToastKit, reference main (b5d3ac), with Swift 6.1 for macOS (SPM) on 20 Aug 2026 10:43:52 UTC.
Swift 6 data race errors: 3
Build Command
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -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 InferSendableFromCapturesBuild Log
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RunAll
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Builder version: 5.0.2
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/angelosstampoulisgithub/ToastKit.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/angelosstampoulisgithub/ToastKit
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at b5d3ac8 Commit remove old files
Cloned https://github.com/angelosstampoulisgithub/ToastKit.git
Revision (git rev-parse @):
b5d3ac891f9dad70993e07264a09a997e98a27ac
SUCCESS checkout https://github.com/angelosstampoulisgithub/ToastKit.git at main
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Build
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Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/angelosstampoulisgithub/ToastKit.git
https://github.com/angelosstampoulisgithub/ToastKit.git
{
"dependencies" : [
],
"manifest_display_name" : "ToastKit",
"name" : "ToastKit",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "13.0"
},
{
"name" : "macos",
"version" : "10.15"
}
],
"products" : [
{
"name" : "ToastKit",
"targets" : [
"ToastKit"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "ToastKitTests",
"module_type" : "SwiftTarget",
"name" : "ToastKitTests",
"path" : "Tests",
"sources" : [
"ToastKitTests/ToastKitTests.swift"
],
"target_dependencies" : [
"ToastKit"
],
"type" : "test"
},
{
"c99name" : "ToastKit",
"module_type" : "SwiftTarget",
"name" : "ToastKit",
"path" : "Sources",
"product_memberships" : [
"ToastKit"
],
"sources" : [
"ToastKit/Toast.swift",
"ToastKit/ToastKit.swift",
"ToastKit/ToastModifier.swift",
"ToastKit/ToastPosition.swift",
"ToastKit/ToastStyle.swift",
"ToastKit/ToastView.swift",
"ToastKit/View+Toast.swift"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -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
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-2F0A5646E1D333AE.txt
[3/10] Compiling ToastKit ToastPosition.swift
[4/10] Compiling ToastKit View+Toast.swift
[5/10] Compiling ToastKit ToastModifier.swift
[6/10] Compiling ToastKit ToastKit.swift
[7/10] Compiling ToastKit ToastStyle.swift
/Users/admin/builder/spi-builder-workspace/Sources/ToastKit/ToastStyle.swift:20:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'ToastStyle' may have shared mutable state; this is an error in the Swift 6 language mode
9 | import SwiftUI
10 |
11 | public struct ToastStyle {
| `- note: consider making struct 'ToastStyle' conform to the 'Sendable' protocol
12 | public let background: Color
13 | public let textColor: Color
:
18 | }
19 |
20 | public static let `default` = ToastStyle(
| |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'ToastStyle' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
21 | background: Color.black.opacity(0.85),
22 | textColor: .white
/Users/admin/builder/spi-builder-workspace/Sources/ToastKit/ToastStyle.swift:25:23: warning: static property 'success' is not concurrency-safe because non-'Sendable' type 'ToastStyle' may have shared mutable state; this is an error in the Swift 6 language mode
9 | import SwiftUI
10 |
11 | public struct ToastStyle {
| `- note: consider making struct 'ToastStyle' conform to the 'Sendable' protocol
12 | public let background: Color
13 | public let textColor: Color
:
23 | )
24 |
25 | public static let success = ToastStyle(
| |- warning: static property 'success' is not concurrency-safe because non-'Sendable' type 'ToastStyle' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'success' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
26 | background: Color.green.opacity(0.85),
27 | textColor: .white
/Users/admin/builder/spi-builder-workspace/Sources/ToastKit/ToastStyle.swift:30:23: warning: static property 'error' is not concurrency-safe because non-'Sendable' type 'ToastStyle' may have shared mutable state; this is an error in the Swift 6 language mode
9 | import SwiftUI
10 |
11 | public struct ToastStyle {
| `- note: consider making struct 'ToastStyle' conform to the 'Sendable' protocol
12 | public let background: Color
13 | public let textColor: Color
:
28 | )
29 |
30 | public static let error = ToastStyle(
| |- warning: static property 'error' is not concurrency-safe because non-'Sendable' type 'ToastStyle' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'error' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
31 | background: Color.red.opacity(0.85),
32 | textColor: .white
[8/10] Compiling ToastKit Toast.swift
[9/10] Compiling ToastKit ToastView.swift
[10/10] Emitting module ToastKit
/Users/admin/builder/spi-builder-workspace/Sources/ToastKit/ToastStyle.swift:20:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'ToastStyle' may have shared mutable state; this is an error in the Swift 6 language mode
9 | import SwiftUI
10 |
11 | public struct ToastStyle {
| `- note: consider making struct 'ToastStyle' conform to the 'Sendable' protocol
12 | public let background: Color
13 | public let textColor: Color
:
18 | }
19 |
20 | public static let `default` = ToastStyle(
| |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'ToastStyle' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'default' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
21 | background: Color.black.opacity(0.85),
22 | textColor: .white
/Users/admin/builder/spi-builder-workspace/Sources/ToastKit/ToastStyle.swift:25:23: warning: static property 'success' is not concurrency-safe because non-'Sendable' type 'ToastStyle' may have shared mutable state; this is an error in the Swift 6 language mode
9 | import SwiftUI
10 |
11 | public struct ToastStyle {
| `- note: consider making struct 'ToastStyle' conform to the 'Sendable' protocol
12 | public let background: Color
13 | public let textColor: Color
:
23 | )
24 |
25 | public static let success = ToastStyle(
| |- warning: static property 'success' is not concurrency-safe because non-'Sendable' type 'ToastStyle' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'success' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
26 | background: Color.green.opacity(0.85),
27 | textColor: .white
/Users/admin/builder/spi-builder-workspace/Sources/ToastKit/ToastStyle.swift:30:23: warning: static property 'error' is not concurrency-safe because non-'Sendable' type 'ToastStyle' may have shared mutable state; this is an error in the Swift 6 language mode
9 | import SwiftUI
10 |
11 | public struct ToastStyle {
| `- note: consider making struct 'ToastStyle' conform to the 'Sendable' protocol
12 | public let background: Color
13 | public let textColor: Color
:
28 | )
29 |
30 | public static let error = ToastStyle(
| |- warning: static property 'error' is not concurrency-safe because non-'Sendable' type 'ToastStyle' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'error' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
31 | background: Color.red.opacity(0.85),
32 | textColor: .white
Build complete! (8.68s)
Build complete.
{
"dependencies" : [
],
"manifest_display_name" : "ToastKit",
"name" : "ToastKit",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "13.0"
},
{
"name" : "macos",
"version" : "10.15"
}
],
"products" : [
{
"name" : "ToastKit",
"targets" : [
"ToastKit"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "ToastKitTests",
"module_type" : "SwiftTarget",
"name" : "ToastKitTests",
"path" : "Tests",
"sources" : [
"ToastKitTests/ToastKitTests.swift"
],
"target_dependencies" : [
"ToastKit"
],
"type" : "test"
},
{
"c99name" : "ToastKit",
"module_type" : "SwiftTarget",
"name" : "ToastKit",
"path" : "Sources",
"product_memberships" : [
"ToastKit"
],
"sources" : [
"ToastKit/Toast.swift",
"ToastKit/ToastKit.swift",
"ToastKit/ToastModifier.swift",
"ToastKit/ToastPosition.swift",
"ToastKit/ToastStyle.swift",
"ToastKit/ToastView.swift",
"ToastKit/View+Toast.swift"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
Done.