Swift Package IndexBuild Information
Successful build of ProhibitedWord, reference 0.1.0 (58f974), with Swift 6.1 for macOS (SPM) on 2 Nov 2026 21:50:58 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
========================================
RunAll
========================================
Builder version: 5.1.4
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/qalvinahmad/prohibited-word.git
Reference: 0.1.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/qalvinahmad/prohibited-word
* tag 0.1.0 -> FETCH_HEAD
HEAD is now at 58f9746 feat(swift): add root Package.swift for Swift Package Manager
Cloned https://github.com/qalvinahmad/prohibited-word.git
Revision (git rev-parse @):
58f974666576aeb4f2b3b699f974f4d57d3e718f
SUCCESS checkout https://github.com/qalvinahmad/prohibited-word.git at 0.1.0
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/qalvinahmad/prohibited-word.git
https://github.com/qalvinahmad/prohibited-word.git
{
"dependencies" : [
],
"manifest_display_name" : "ProhibitedWord",
"name" : "ProhibitedWord",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "12.0"
},
{
"name" : "ios",
"version" : "15.0"
},
{
"name" : "watchos",
"version" : "8.0"
},
{
"name" : "tvos",
"version" : "15.0"
}
],
"products" : [
{
"name" : "ProhibitedWord",
"targets" : [
"ProhibitedWord"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "ProhibitedWordTests",
"module_type" : "SwiftTarget",
"name" : "ProhibitedWordTests",
"path" : "packages/swift/Tests/ProhibitedWordTests",
"sources" : [
"ProhibitedWordTests.swift"
],
"target_dependencies" : [
"ProhibitedWord"
],
"type" : "test"
},
{
"c99name" : "ProhibitedWord",
"module_type" : "SwiftTarget",
"name" : "ProhibitedWord",
"path" : "packages/swift/Sources/ProhibitedWord",
"product_memberships" : [
"ProhibitedWord"
],
"resources" : [
{
"path" : "/Users/admin/builder/spi-builder-workspace/packages/swift/Sources/ProhibitedWord/words-lite.json",
"rule" : {
"copy" : {
}
}
},
{
"path" : "/Users/admin/builder/spi-builder-workspace/packages/swift/Sources/ProhibitedWord/words.json",
"rule" : {
"copy" : {
}
}
}
],
"sources" : [
"ProhibitedWord.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...
[0/4] Write sources
[1/4] Copying words-lite.json
[1/4] Copying words.json
[3/4] Write swift-version-2F0A5646E1D333AE.txt
[5/7] Compiling ProhibitedWord resource_bundle_accessor.swift
[6/7] Emitting module ProhibitedWord
/Users/admin/builder/spi-builder-workspace/packages/swift/Sources/ProhibitedWord/ProhibitedWord.swift:223:13: warning: var 'wordDB' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
221 | }
222 |
223 | private var wordDB: DB = {
| |- warning: var 'wordDB' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'wordDB' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make var 'wordDB' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
224 | guard let url = Bundle.module.url(forResource: "words", withExtension: "json"),
225 | let data = try? Data(contentsOf: url),
/Users/admin/builder/spi-builder-workspace/packages/swift/Sources/ProhibitedWord/ProhibitedWord.swift:232:13: warning: var 'dictID' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
230 | }()
231 |
232 | private var dictID: String = "\(wordDB.version ?? 0):\(wordDB.langs.count)"
| |- warning: var 'dictID' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'dictID' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make var 'dictID' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
233 | private var cache: [String: Engine] = [:]
234 | private let cacheLock = NSLock()
/Users/admin/builder/spi-builder-workspace/packages/swift/Sources/ProhibitedWord/ProhibitedWord.swift:233:13: warning: var 'cache' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
231 |
232 | private var dictID: String = "\(wordDB.version ?? 0):\(wordDB.langs.count)"
233 | private var cache: [String: Engine] = [:]
| |- warning: var 'cache' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'cache' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make var 'cache' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
234 | private let cacheLock = NSLock()
235 |
[7/7] Compiling ProhibitedWord ProhibitedWord.swift
/Users/admin/builder/spi-builder-workspace/packages/swift/Sources/ProhibitedWord/ProhibitedWord.swift:223:13: warning: var 'wordDB' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
221 | }
222 |
223 | private var wordDB: DB = {
| |- warning: var 'wordDB' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'wordDB' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make var 'wordDB' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
224 | guard let url = Bundle.module.url(forResource: "words", withExtension: "json"),
225 | let data = try? Data(contentsOf: url),
/Users/admin/builder/spi-builder-workspace/packages/swift/Sources/ProhibitedWord/ProhibitedWord.swift:232:13: warning: var 'dictID' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
230 | }()
231 |
232 | private var dictID: String = "\(wordDB.version ?? 0):\(wordDB.langs.count)"
| |- warning: var 'dictID' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'dictID' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make var 'dictID' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
233 | private var cache: [String: Engine] = [:]
234 | private let cacheLock = NSLock()
/Users/admin/builder/spi-builder-workspace/packages/swift/Sources/ProhibitedWord/ProhibitedWord.swift:233:13: warning: var 'cache' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
231 |
232 | private var dictID: String = "\(wordDB.version ?? 0):\(wordDB.langs.count)"
233 | private var cache: [String: Engine] = [:]
| |- warning: var 'cache' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'cache' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make var 'cache' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
234 | private let cacheLock = NSLock()
235 |
Build complete! (4.83s)
Build complete.
{
"dependencies" : [
],
"manifest_display_name" : "ProhibitedWord",
"name" : "ProhibitedWord",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "12.0"
},
{
"name" : "ios",
"version" : "15.0"
},
{
"name" : "watchos",
"version" : "8.0"
},
{
"name" : "tvos",
"version" : "15.0"
}
],
"products" : [
{
"name" : "ProhibitedWord",
"targets" : [
"ProhibitedWord"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "ProhibitedWordTests",
"module_type" : "SwiftTarget",
"name" : "ProhibitedWordTests",
"path" : "packages/swift/Tests/ProhibitedWordTests",
"sources" : [
"ProhibitedWordTests.swift"
],
"target_dependencies" : [
"ProhibitedWord"
],
"type" : "test"
},
{
"c99name" : "ProhibitedWord",
"module_type" : "SwiftTarget",
"name" : "ProhibitedWord",
"path" : "packages/swift/Sources/ProhibitedWord",
"product_memberships" : [
"ProhibitedWord"
],
"resources" : [
{
"path" : "/Users/admin/builder/spi-builder-workspace/packages/swift/Sources/ProhibitedWord/words-lite.json",
"rule" : {
"copy" : {
}
}
},
{
"path" : "/Users/admin/builder/spi-builder-workspace/packages/swift/Sources/ProhibitedWord/words.json",
"rule" : {
"copy" : {
}
}
}
],
"sources" : [
"ProhibitedWord.swift"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
Done.