Swift Package IndexBuild Information
Successful build of swift-jni, reference 0.3.0 (747b49), with Swift 6.1 for Android on 27 Jun 2025 04:29:59 UTC.
Swift 6 data race errors: 5
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 -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>&1Build Log
========================================
RunAll
========================================
Builder version: 4.64.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/skiptools/swift-jni.git
Reference: 0.3.0
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/skiptools/swift-jni
* tag 0.3.0 -> FETCH_HEAD
HEAD is now at 747b499 Merge pull request #3 from skiptools/unsigned
Cloned https://github.com/skiptools/swift-jni.git
Revision (git rev-parse @):
747b4999e9426bafb6fa676f5989b33694fba8ad
SUCCESS checkout https://github.com/skiptools/swift-jni.git at 0.3.0
========================================
Build
========================================
Selected platform: android
Swift version: 6.1
Building package at path: $PWD
https://github.com/skiptools/swift-jni.git
https://github.com/skiptools/swift-jni.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
"dependencies" : [
],
"manifest_display_name" : "swift-jni",
"name" : "swift-jni",
"path" : "/host/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "SwiftJNI",
"targets" : [
"SwiftJNI"
],
"type" : {
"library" : [
"dynamic"
]
}
}
],
"targets" : [
{
"c99name" : "SwiftJNITests",
"module_type" : "SwiftTarget",
"name" : "SwiftJNITests",
"path" : "Tests/SwiftJNITests",
"sources" : [
"SwiftJNITests.swift"
],
"target_dependencies" : [
"SwiftJNI"
],
"type" : "test"
},
{
"c99name" : "SwiftJNI",
"module_type" : "SwiftTarget",
"name" : "SwiftJNI",
"path" : "Sources/SwiftJNI",
"product_memberships" : [
"SwiftJNI"
],
"sources" : [
"SwiftJNI.swift"
],
"target_dependencies" : [
"CJNI"
],
"type" : "library"
},
{
"c99name" : "CJNI",
"module_type" : "ClangTarget",
"name" : "CJNI",
"path" : "Sources/CJNI",
"product_memberships" : [
"SwiftJNI"
],
"sources" : [
"cjni.c"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 -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
android-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:873b43b7be6289c04a5a3fd4b2c372c2a5abf90643451079297d3dc6dc0b7d36
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:android-6.1-latest
Building for debugging...
[0/6] Write sources
[1/6] Compiling CJNI cjni.c
[2/6] Write swift-version-24593BA9C3E375BF.txt
[4/8] Emitting module SwiftJNI
/host/spi-builder-workspace/Sources/SwiftJNI/SwiftJNI.swift:102:23: warning: static property 'jni' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
100 | public class JNI {
101 | /// The single shared singleton JNI instance for the process.
102 | public static var jni: JNI! { // this should be set in "OnLoad" and so should always exist
| |- warning: static property 'jni' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'jni' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'jni' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
103 | didSet {
104 | _ = JClassLoader.globalClassLoader // cache the global class loader on initialization
/host/spi-builder-workspace/Sources/SwiftJNI/SwiftJNI.swift:326:23: warning: static property 'kotlincompat' is not concurrency-safe because non-'Sendable' type 'JConvertibleOptions' may have shared mutable state; this is an error in the Swift 6 language mode
322 |
323 | /// Java conversion options.
324 | public struct JConvertibleOptions: OptionSet {
| `- note: consider making struct 'JConvertibleOptions' conform to the 'Sendable' protocol
325 | /// Optimize for bridging to pure Kotlin code rather than transpiled Swift.
326 | public static let kotlincompat = JConvertibleOptions(rawValue: 1 << 0)
| |- warning: static property 'kotlincompat' is not concurrency-safe because non-'Sendable' type 'JConvertibleOptions' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'kotlincompat' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
327 | /// Map to a Kotlin container type. Useful for passing an array or dictionary to a known List or Map, even when content might
328 | /// not be expected to be `.kotlincompat`.
/host/spi-builder-workspace/Sources/SwiftJNI/SwiftJNI.swift:329:23: warning: static property 'kotlincompatContainer' is not concurrency-safe because non-'Sendable' type 'JConvertibleOptions' may have shared mutable state; this is an error in the Swift 6 language mode
322 |
323 | /// Java conversion options.
324 | public struct JConvertibleOptions: OptionSet {
| `- note: consider making struct 'JConvertibleOptions' conform to the 'Sendable' protocol
325 | /// Optimize for bridging to pure Kotlin code rather than transpiled Swift.
326 | public static let kotlincompat = JConvertibleOptions(rawValue: 1 << 0)
327 | /// Map to a Kotlin container type. Useful for passing an array or dictionary to a known List or Map, even when content might
328 | /// not be expected to be `.kotlincompat`.
329 | public static let kotlincompatContainer = JConvertibleOptions(rawValue: 1 << 1)
| |- warning: static property 'kotlincompatContainer' is not concurrency-safe because non-'Sendable' type 'JConvertibleOptions' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'kotlincompatContainer' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
330 |
331 | public let rawValue: Int
/host/spi-builder-workspace/Sources/SwiftJNI/SwiftJNI.swift:646:23: warning: static property 'errorConverter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
644 | private static let javaErrorExceptionConstructor = javaErrorExceptionClass.getMethodID(name: "<init>", sig: "(Ljava/lang/String;)V")!
645 | /// Handles converting the error pointer into the error that will ultimately be thrown
646 | public static var errorConverter: ((JavaObjectPointer, JConvertibleOptions) -> Error?) = { ptr, options in descriptionToError(ptr, options: options) }
| |- warning: static property 'errorConverter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'errorConverter' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'errorConverter' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
647 |
648 | public static func toError(_ ptr: JavaObjectPointer?, options: JConvertibleOptions) -> Error? {
/host/spi-builder-workspace/Sources/SwiftJNI/SwiftJNI.swift:1280:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'JVMOptions' may have shared mutable state; this is an error in the Swift 6 language mode
1277 | // MARK: JVM Management
1278 |
1279 | public struct JVMOptions {
| `- note: consider making struct 'JVMOptions' conform to the 'Sendable' protocol
1280 | public static let `default` = JVMOptions()
| |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'JVMOptions' 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
1281 |
1282 | public var verboseGarbageCollection = false
[5/8] Compiling SwiftJNI SwiftJNI.swift
/host/spi-builder-workspace/Sources/SwiftJNI/SwiftJNI.swift:102:23: warning: static property 'jni' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
100 | public class JNI {
101 | /// The single shared singleton JNI instance for the process.
102 | public static var jni: JNI! { // this should be set in "OnLoad" and so should always exist
| |- warning: static property 'jni' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'jni' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'jni' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
103 | didSet {
104 | _ = JClassLoader.globalClassLoader // cache the global class loader on initialization
/host/spi-builder-workspace/Sources/SwiftJNI/SwiftJNI.swift:326:23: warning: static property 'kotlincompat' is not concurrency-safe because non-'Sendable' type 'JConvertibleOptions' may have shared mutable state; this is an error in the Swift 6 language mode
322 |
323 | /// Java conversion options.
324 | public struct JConvertibleOptions: OptionSet {
| `- note: consider making struct 'JConvertibleOptions' conform to the 'Sendable' protocol
325 | /// Optimize for bridging to pure Kotlin code rather than transpiled Swift.
326 | public static let kotlincompat = JConvertibleOptions(rawValue: 1 << 0)
| |- warning: static property 'kotlincompat' is not concurrency-safe because non-'Sendable' type 'JConvertibleOptions' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'kotlincompat' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
327 | /// Map to a Kotlin container type. Useful for passing an array or dictionary to a known List or Map, even when content might
328 | /// not be expected to be `.kotlincompat`.
/host/spi-builder-workspace/Sources/SwiftJNI/SwiftJNI.swift:329:23: warning: static property 'kotlincompatContainer' is not concurrency-safe because non-'Sendable' type 'JConvertibleOptions' may have shared mutable state; this is an error in the Swift 6 language mode
322 |
323 | /// Java conversion options.
324 | public struct JConvertibleOptions: OptionSet {
| `- note: consider making struct 'JConvertibleOptions' conform to the 'Sendable' protocol
325 | /// Optimize for bridging to pure Kotlin code rather than transpiled Swift.
326 | public static let kotlincompat = JConvertibleOptions(rawValue: 1 << 0)
327 | /// Map to a Kotlin container type. Useful for passing an array or dictionary to a known List or Map, even when content might
328 | /// not be expected to be `.kotlincompat`.
329 | public static let kotlincompatContainer = JConvertibleOptions(rawValue: 1 << 1)
| |- warning: static property 'kotlincompatContainer' is not concurrency-safe because non-'Sendable' type 'JConvertibleOptions' may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'kotlincompatContainer' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
330 |
331 | public let rawValue: Int
/host/spi-builder-workspace/Sources/SwiftJNI/SwiftJNI.swift:646:23: warning: static property 'errorConverter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
644 | private static let javaErrorExceptionConstructor = javaErrorExceptionClass.getMethodID(name: "<init>", sig: "(Ljava/lang/String;)V")!
645 | /// Handles converting the error pointer into the error that will ultimately be thrown
646 | public static var errorConverter: ((JavaObjectPointer, JConvertibleOptions) -> Error?) = { ptr, options in descriptionToError(ptr, options: options) }
| |- warning: static property 'errorConverter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'errorConverter' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'errorConverter' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
647 |
648 | public static func toError(_ ptr: JavaObjectPointer?, options: JConvertibleOptions) -> Error? {
/host/spi-builder-workspace/Sources/SwiftJNI/SwiftJNI.swift:1280:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'JVMOptions' may have shared mutable state; this is an error in the Swift 6 language mode
1277 | // MARK: JVM Management
1278 |
1279 | public struct JVMOptions {
| `- note: consider making struct 'JVMOptions' conform to the 'Sendable' protocol
1280 | public static let `default` = JVMOptions()
| |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'JVMOptions' 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
1281 |
1282 | public var verboseGarbageCollection = false
[6/9] Wrapping AST for SwiftJNI for debugging
[7/9] Write Objects.LinkFileList
[8/9] Linking libSwiftJNI.so
Build complete! (10.13s)
Build complete.
{
"dependencies" : [
],
"manifest_display_name" : "swift-jni",
"name" : "swift-jni",
"path" : "/host/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "SwiftJNI",
"targets" : [
"SwiftJNI"
],
"type" : {
"library" : [
"dynamic"
]
}
}
],
"targets" : [
{
"c99name" : "SwiftJNITests",
"module_type" : "SwiftTarget",
"name" : "SwiftJNITests",
"path" : "Tests/SwiftJNITests",
"sources" : [
"SwiftJNITests.swift"
],
"target_dependencies" : [
"SwiftJNI"
],
"type" : "test"
},
{
"c99name" : "SwiftJNI",
"module_type" : "SwiftTarget",
"name" : "SwiftJNI",
"path" : "Sources/SwiftJNI",
"product_memberships" : [
"SwiftJNI"
],
"sources" : [
"SwiftJNI.swift"
],
"target_dependencies" : [
"CJNI"
],
"type" : "library"
},
{
"c99name" : "CJNI",
"module_type" : "ClangTarget",
"name" : "CJNI",
"path" : "Sources/CJNI",
"product_memberships" : [
"SwiftJNI"
],
"sources" : [
"cjni.c"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
android-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:873b43b7be6289c04a5a3fd4b2c372c2a5abf90643451079297d3dc6dc0b7d36
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:android-6.1-latest
Done.