Swift Package IndexBuild Information
Successful build of MockableKit, reference 1.1.0 (807d4d), with Swift 6.1 for macOS (SPM) on 29 Jun 2026 01:32:01 UTC.
Swift 6 data race errors: 2
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: undefined version: run 'make version' to update
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/senolmurat/MockableKit.git
Reference: 1.1.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/senolmurat/MockableKit
* tag 1.1.0 -> FETCH_HEAD
HEAD is now at 807d4dc Merge pull request #2 from senolmurat/dev
Cloned https://github.com/senolmurat/MockableKit.git
Revision (git rev-parse @):
807d4dc47b14d3be89ddefe1c2d52c0e74852ba5
SUCCESS checkout https://github.com/senolmurat/MockableKit.git at 1.1.0
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Build
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Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/senolmurat/MockableKit.git
https://github.com/senolmurat/MockableKit.git
{
"dependencies" : [
],
"manifest_display_name" : "MockableKit",
"name" : "MockableKit",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "13.0"
},
{
"name" : "macos",
"version" : "13.0"
},
{
"name" : "watchos",
"version" : "9.0"
},
{
"name" : "tvos",
"version" : "16.0"
}
],
"products" : [
{
"name" : "MockableKit",
"targets" : [
"MockableKit"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "MockableKitTests",
"module_type" : "SwiftTarget",
"name" : "MockableKitTests",
"path" : "Tests/MockableKitTests",
"sources" : [
"MockableKitTests.swift",
"SchemaExtractorTests.swift"
],
"target_dependencies" : [
"MockableKit"
],
"type" : "test"
},
{
"c99name" : "MockableKit",
"module_type" : "SwiftTarget",
"name" : "MockableKit",
"path" : "Sources/MockableKit",
"product_memberships" : [
"MockableKit"
],
"sources" : [
"MockCache.swift",
"MockEngine.swift",
"MockableConfiguration.swift",
"MockableError.swift",
"MockableKit.swift",
"SchemaExtractor.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
[3/9] Compiling MockableKit SchemaExtractor.swift
[4/9] Compiling MockableKit MockEngine.swift
/Users/admin/builder/spi-builder-workspace/Sources/MockableKit/MockEngine.swift:10:16: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'MockEngine' may have shared mutable state; this is an error in the Swift 6 language mode
6 | /// Internal engine that uses Mirror reflection to extract field metadata
7 | /// and calls the Google Gemini API to generate realistic JSON mock data.
8 | internal class MockEngine {
| `- note: class 'MockEngine' does not conform to the 'Sendable' protocol
9 |
10 | static let shared = MockEngine()
| |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'MockEngine' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'shared' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
11 | private init() {}
12 |
[5/9] Compiling MockableKit MockableConfiguration.swift
/Users/admin/builder/spi-builder-workspace/Sources/MockableKit/MockableConfiguration.swift:16:23: warning: static property 'shared' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
14 |
15 | /// The shared (default) configuration. Set this up once in your app/test target.
16 | public static var shared = MockableConfiguration()
| |- warning: static property 'shared' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'shared' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'shared' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
17 |
18 | /// Your Google Gemini API key.
[6/9] Compiling MockableKit MockableKit.swift
/Users/admin/builder/spi-builder-workspace/Sources/MockableKit/MockableKit.swift:89:14: warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
87 | completion: @escaping (Self?) -> Void
88 | ) {
89 | Task {
| `- warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
90 | let result = try? await MockEngine.shared.generate(
91 | for: Self.self,
:
94 | )
95 | DispatchQueue.main.async {
96 | completion(result)
| `- note: closure captures 'completion' which is accessible to code in the current task
97 | }
98 | }
/Users/admin/builder/spi-builder-workspace/Sources/MockableKit/MockableKit.swift:96:17: warning: sending 'completion' risks causing data races; this is an error in the Swift 6 language mode
94 | )
95 | DispatchQueue.main.async {
96 | completion(result)
| |- 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
97 | }
98 | }
/Users/admin/builder/spi-builder-workspace/Sources/MockableKit/MockableKit.swift:96:28: warning: sending 'result' risks causing data races; this is an error in the Swift 6 language mode
94 | )
95 | DispatchQueue.main.async {
96 | completion(result)
| |- warning: sending 'result' risks causing data races; this is an error in the Swift 6 language mode
| `- note: task-isolated 'result' is captured by a main actor-isolated closure. main actor-isolated uses in closure may race against later nonisolated uses
97 | }
98 | }
/Users/admin/builder/spi-builder-workspace/Sources/MockableKit/MockableKit.swift:114:14: warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
112 | completion: @escaping ([Self]?) -> Void
113 | ) {
114 | Task {
| `- warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
115 | let result = try? await MockEngine.shared.generateArray(
116 | for: Self.self,
:
120 | )
121 | DispatchQueue.main.async {
122 | completion(result)
| `- note: closure captures 'completion' which is accessible to code in the current task
123 | }
124 | }
/Users/admin/builder/spi-builder-workspace/Sources/MockableKit/MockableKit.swift:122:17: warning: sending 'completion' risks causing data races; this is an error in the Swift 6 language mode
120 | )
121 | DispatchQueue.main.async {
122 | completion(result)
| |- 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
123 | }
124 | }
/Users/admin/builder/spi-builder-workspace/Sources/MockableKit/MockableKit.swift:122:28: warning: sending 'result' risks causing data races; this is an error in the Swift 6 language mode
120 | )
121 | DispatchQueue.main.async {
122 | completion(result)
| |- warning: sending 'result' risks causing data races; this is an error in the Swift 6 language mode
| `- note: task-isolated 'result' is captured by a main actor-isolated closure. main actor-isolated uses in closure may race against later nonisolated uses
123 | }
124 | }
[7/9] Compiling MockableKit MockableError.swift
[8/9] Emitting module MockableKit
/Users/admin/builder/spi-builder-workspace/Sources/MockableKit/MockEngine.swift:10:16: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'MockEngine' may have shared mutable state; this is an error in the Swift 6 language mode
6 | /// Internal engine that uses Mirror reflection to extract field metadata
7 | /// and calls the Google Gemini API to generate realistic JSON mock data.
8 | internal class MockEngine {
| `- note: class 'MockEngine' does not conform to the 'Sendable' protocol
9 |
10 | static let shared = MockEngine()
| |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'MockEngine' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'shared' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
11 | private init() {}
12 |
/Users/admin/builder/spi-builder-workspace/Sources/MockableKit/MockableConfiguration.swift:16:23: warning: static property 'shared' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
14 |
15 | /// The shared (default) configuration. Set this up once in your app/test target.
16 | public static var shared = MockableConfiguration()
| |- warning: static property 'shared' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'shared' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'shared' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
17 |
18 | /// Your Google Gemini API key.
[9/9] Compiling MockableKit MockCache.swift
Build complete! (5.14s)
Build complete.
{
"dependencies" : [
],
"manifest_display_name" : "MockableKit",
"name" : "MockableKit",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "13.0"
},
{
"name" : "macos",
"version" : "13.0"
},
{
"name" : "watchos",
"version" : "9.0"
},
{
"name" : "tvos",
"version" : "16.0"
}
],
"products" : [
{
"name" : "MockableKit",
"targets" : [
"MockableKit"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "MockableKitTests",
"module_type" : "SwiftTarget",
"name" : "MockableKitTests",
"path" : "Tests/MockableKitTests",
"sources" : [
"MockableKitTests.swift",
"SchemaExtractorTests.swift"
],
"target_dependencies" : [
"MockableKit"
],
"type" : "test"
},
{
"c99name" : "MockableKit",
"module_type" : "SwiftTarget",
"name" : "MockableKit",
"path" : "Sources/MockableKit",
"product_memberships" : [
"MockableKit"
],
"sources" : [
"MockCache.swift",
"MockEngine.swift",
"MockableConfiguration.swift",
"MockableError.swift",
"MockableKit.swift",
"SchemaExtractor.swift"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
Done.