Kotlin – Build Information – Swift Package Index

Build Information

Successful build of Kotlin, reference v0.3.0 (ad30da), with Swift 6.4 for macOS (SPM) on 25 Sep 2026 14:00:38 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
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Builder version: 5.1.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/stackotter/SwiftKotlin.git
Reference: v0.3.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/stackotter/SwiftKotlin
 * tag               v0.3.0     -> FETCH_HEAD
HEAD is now at ad30daa Switch to stackotter/swift-java (to workaround known issues)
Cloned https://github.com/stackotter/SwiftKotlin.git
Revision (git rev-parse @):
ad30daacb7e4666e1a56bfdd48498f5ac4ff081d
SUCCESS checkout https://github.com/stackotter/SwiftKotlin.git at v0.3.0
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Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/stackotter/SwiftKotlin.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 539]
[Planning deferred tasks]
[103 / 222]
[108 / 225] CSwiftJavaJNI
[111 / 229]
[119 / 229] Kotlin
[139 / 322] Kotlin-product
[142 / 322]
[153 / 322]
[161 / 322]
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[204 / 322] SwiftJavaMacros
[206 / 322] SwiftJavaMacros
[213 / 322] SwiftJavaJNICore
[216 / 322] SwiftJavaJNICore
[222 / 322] SwiftJavaJNICore
[226 / 322] SwiftJavaMacros
[229 / 323] SwiftJava
[241 / 335] SwiftJava
[250 / 338] SwiftJava
[250 / 338] SwiftJavaRuntimeSupport
[257 / 371] JavaUtilFunction
[259 / 371] SwiftJavaRuntimeSupport
[264 / 371] SwiftJavaRuntimeSupport
[279 / 371] JavaUtilFunction
[283 / 371] JavaUtilFunction
[290 / 371] JavaUtilFunction-product
[294 / 371] JavaUtil
[299 / 371] JavaUtil
[301 / 371] JavaUtil
[306 / 372]
[308 / 374] JavaUtil
[308 / 374] JavaNet
[316 / 398] JavaIO
[326 / 398] JavaNet-product
[337 / 398] JavaLangReflect
[345 / 398] JavaLangReflect-product
[349 / 398] SwiftJava
[355 / 399]
[360 / 399] JavaNet
[363 / 399]
[364 / 399] SwiftJava-product
[376 / 410] JavaLangIO
[384 / 411] JavaLangIO
[384 / 411] JavaLang
[394 / 422] JavaLang
[395 / 422] JavaLangIO
[397 / 422] JavaLang
[404 / 423] JavaLang
[404 / 423] JavaLangUtil
[414 / 434] JavaLangUtil
[415 / 434] JavaLangUtil
[422 / 435] JavaLangUtil
[422 / 435] JavaLang
[430 / 446] KotlinJVM
[433 / 446] KotlinJVM
[441 / 446] KotlinJVM
[441 / 446] JavaLangUtil
[445 / 446] KotlinJVM
Build complete! (17.40 sec)
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Computing version for https://github.com/swiftlang/swift-java-jni-core
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Computed https://github.com/apple/swift-log at 1.15.1 (0.56s)
Creating working copy for https://github.com/stackotter/SwiftJavaLang.git
Working copy of https://github.com/stackotter/SwiftJavaLang.git resolved at 0.3.0
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Working copy of https://github.com/apple/swift-argument-parser resolved at 1.8.2
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Working copy of https://github.com/swiftlang/swift-syntax resolved at 603.0.2
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Working copy of https://github.com/swiftlang/swift-java-jni-core resolved at 0.5.1
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/603.0.2/swiftlang-6.4.0.34.1-macosx27.0-MacroSupport.zip
Downloaded https://download.swift.org/prebuilts/swift-syntax/603.0.2/swiftlang-6.4.0.34.1-macosx27.0-MacroSupport.zip (1.36s)
/Users/admin/builder/spi-builder-workspace/Sources/KotlinJVM/KProperty+Accessor.swift:7:26: [1;33mwarning: [1;39mgeneric parameter 'V' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
 [0;36m5 |[0;0m extension KProperty {
 [0;36m6 |[0;0m   @JavaInterface("kotlin.reflect.KProperty$Accessor")
 [0;36m7 |[0;0m   public struct Accessor<V: AnyJavaObject> {
   [0;36m|[0;0m                          `- [1;33mwarning: [1;39mgeneric parameter 'V' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
 [0;36m8 |[0;0m   @JavaMethod
 [0;36m9 |[0;0m   public func getProperty() -> KProperty<JavaObject>!
/Users/admin/builder/spi-builder-workspace/Sources/KotlinJVM/KProperty.swift:7:25: [1;39mnote: [1;39m'V' previously declared here[0;0m
 [0;36m5 |[0;0m
 [0;36m6 |[0;0m @JavaInterface("kotlin.reflect.KProperty", extends: KCallable<JavaObject>.self)
 [0;36m7 |[0;0m public struct KProperty<V: AnyJavaObject> {
   [0;36m|[0;0m                         `- [1;39mnote: [1;39m'V' previously declared here[0;0m
 [0;36m8 |[0;0m   @JavaMethod
 [0;36m9 |[0;0m   public func getGetter() -> KProperty<V>.Getter!
/Users/admin/builder/spi-builder-workspace/Sources/KotlinJVM/KProperty+Accessor.swift:7:26: [1;33mwarning: [1;39mgeneric parameter 'V' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
 [0;36m5 |[0;0m extension KProperty {
 [0;36m6 |[0;0m   @JavaInterface("kotlin.reflect.KProperty$Accessor")
 [0;36m7 |[0;0m   public struct Accessor<V: AnyJavaObject> {
   [0;36m|[0;0m                          `- [1;33mwarning: [1;39mgeneric parameter 'V' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
 [0;36m8 |[0;0m   @JavaMethod
 [0;36m9 |[0;0m   public func getProperty() -> KProperty<JavaObject>!
/Users/admin/builder/spi-builder-workspace/Sources/KotlinJVM/KProperty.swift:7:25: [1;39mnote: [1;39m'V' previously declared here[0;0m
 [0;36m5 |[0;0m
 [0;36m6 |[0;0m @JavaInterface("kotlin.reflect.KProperty", extends: KCallable<JavaObject>.self)
 [0;36m7 |[0;0m public struct KProperty<V: AnyJavaObject> {
   [0;36m|[0;0m                         `- [1;39mnote: [1;39m'V' previously declared here[0;0m
 [0;36m8 |[0;0m   @JavaMethod
 [0;36m9 |[0;0m   public func getGetter() -> KProperty<V>.Getter!
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-java",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.5.1",
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      "type" : "sourceControl",
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  "manifest_display_name" : "Kotlin",
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}
Done.