Swift Package Index

Build Information

Failed to build java_util, reference 2.5.0 (812eb5), with Swift 6.4 for macOS (SPM) on 17 Sep 2026 19:48:55 UTC.

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.
========================================
Checkout
========================================
Clone URL: https://github.com/swiftjava/java_util.git
Reference: 2.5.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swiftjava/java_util
 * tag               2.5.0      -> FETCH_HEAD
HEAD is now at 812eb50 Swift 5 SPM
Cloned https://github.com/swiftjava/java_util.git
Revision (git rev-parse @):
812eb50d52eda0ff78b755b547472c49678491f6
SUCCESS checkout https://github.com/swiftjava/java_util.git at 2.5.0
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/swiftjava/java_util.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Pre-planning 1 / 127]
[Planning deferred tasks]
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[105 / 116] java_lang
[105 / 116] java_util
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[113 / 130] java_util
[114 / 130] java_util
Fetching https://github.com/SwiftJava/java_lang.git
[1/747] Fetching java_lang
Fetched https://github.com/SwiftJava/java_lang.git (1.21s)
Fetching https://github.com/SwiftJava/java_swift.git
[1/290] Fetching java_swift
Fetched https://github.com/SwiftJava/java_swift.git (0.94s)
Fetching https://github.com/SwiftJava/CJavaVM.git
[1/54] Fetching cjavavm
Fetched https://github.com/SwiftJava/CJavaVM.git (0.75s)
Creating working copy for https://github.com/SwiftJava/java_swift.git
Working copy of https://github.com/SwiftJava/java_swift.git resolved at master (ef87de5)
Creating working copy for https://github.com/SwiftJava/CJavaVM.git
Working copy of https://github.com/SwiftJava/CJavaVM.git resolved at master (654df50)
Creating working copy for https://github.com/SwiftJava/java_lang.git
Working copy of https://github.com/SwiftJava/java_lang.git resolved at master (6db935c)
warning: 'cjavavm': ignoring declared target(s) 'CJavaVM' in the system package
warning: 'cjavavm': system packages are deprecated; use system library targets instead
warning: 'cjavavm': ignoring declared target(s) 'CJavaVM' in the system package
warning: 'cjavavm': system packages are deprecated; use system library targets instead
error: SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Condition.swift failed with a nonzero exit code. Command line:     cd /Users/admin/builder
    builtin-SwiftPerFileCompile Condition.swift
error: SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CountDownLatch.swift failed with a nonzero exit code. Command line:     cd /Users/admin/builder
    builtin-SwiftPerFileCompile CountDownLatch.swift
/Users/admin/builder/spi-builder-workspace/Sources/CheckedOutputStream.swift:8:12: warning: class 'CheckedOutputStream' must restate inherited '@unchecked Sendable' conformance
  6 | /// class java.util.zip.CheckedOutputStream ///
  7 |
  8 | open class CheckedOutputStream: /* class java.io.FilterOutputStream */ UnavailableObject {
    |            `- warning: class 'CheckedOutputStream' must restate inherited '@unchecked Sendable' conformance
  9 |
 10 |     public convenience init?( casting object: java_swift.JavaObject, _ file: StaticString = #file, _ line: Int = #line ) {
/Users/admin/builder/spi-builder-workspace/Sources/CompletionException.swift:9:12: warning: class 'CompletionException' must restate inherited '@unchecked Sendable' conformance
  7 | /// class java.util.concurrent.CompletionException ///
  8 |
  9 | open class CompletionException: java_lang.RuntimeException {
    |            `- warning: class 'CompletionException' must restate inherited '@unchecked Sendable' conformance
 10 |
 11 |     public convenience init?( casting object: java_swift.JavaObject, _ file: StaticString = #file, _ line: Int = #line ) {
/Users/admin/builder/spi-builder-workspace/Sources/ConcurrentModificationException.swift:9:12: warning: class 'ConcurrentModificationException' must restate inherited '@unchecked Sendable' conformance
  7 | /// class java.util.ConcurrentModificationException ///
  8 |
  9 | open class ConcurrentModificationException: java_lang.RuntimeException {
    |            `- warning: class 'ConcurrentModificationException' must restate inherited '@unchecked Sendable' conformance
 10 |
 11 |     public convenience init?( casting object: java_swift.JavaObject, _ file: StaticString = #file, _ line: Int = #line ) {
/Users/admin/builder/spi-builder-workspace/Sources/Condition.swift:64:20: error: cannot convert return expression of type '(time: Int64, unit: TimeUnit?)' to return type 'Bool'
 62 |
 63 |     open func await( _ _time: Int64, _ _unit: TimeUnit? ) throws /* java.lang.InterruptedException */ -> Bool {
 64 |         return try await( time: _time, unit: _unit )
    |                    `- error: cannot convert return expression of type '(time: Int64, unit: TimeUnit?)' to return type 'Bool'
 65 |     }
 66 |
/Users/admin/builder/spi-builder-workspace/Sources/Condition.swift:64:20: error: 'await' in a function that does not support concurrency
 61 |     }
 62 |
 63 |     open func await( _ _time: Int64, _ _unit: TimeUnit? ) throws /* java.lang.InterruptedException */ -> Bool {
    |               `- note: add 'async' to function 'await' to make it asynchronous
 64 |         return try await( time: _time, unit: _unit )
    |                    `- error: 'await' in a function that does not support concurrency
 65 |     }
 66 |
/Users/admin/builder/spi-builder-workspace/Sources/Condition.swift:64:16: warning: no calls to throwing functions occur within 'try' expression [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/unnecessary-effect-marker\UnnecessaryEffectMarker]8;;\]
 62 |
 63 |     open func await( _ _time: Int64, _ _unit: TimeUnit? ) throws /* java.lang.InterruptedException */ -> Bool {
 64 |         return try await( time: _time, unit: _unit )
    |                `- warning: no calls to throwing functions occur within 'try' expression [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/unnecessary-effect-marker\UnnecessaryEffectMarker]8;;\]
 65 |     }
 66 |
/Users/admin/builder/spi-builder-workspace/Sources/CountDownLatch.swift:57:20: error: cannot convert return expression of type '(timeout: Int64, unit: TimeUnit?)' to return type 'Bool'
 55 |
 56 |     open func await( _ _timeout: Int64, _ _unit: TimeUnit? ) throws /* java.lang.InterruptedException */ -> Bool {
 57 |         return try await( timeout: _timeout, unit: _unit )
    |                    `- error: cannot convert return expression of type '(timeout: Int64, unit: TimeUnit?)' to return type 'Bool'
 58 |     }
 59 |
/Users/admin/builder/spi-builder-workspace/Sources/CountDownLatch.swift:57:20: error: 'await' in a function that does not support concurrency
 54 |     }
 55 |
 56 |     open func await( _ _timeout: Int64, _ _unit: TimeUnit? ) throws /* java.lang.InterruptedException */ -> Bool {
    |               `- note: add 'async' to function 'await' to make it asynchronous
 57 |         return try await( timeout: _timeout, unit: _unit )
    |                    `- error: 'await' in a function that does not support concurrency
 58 |     }
 59 |
/Users/admin/builder/spi-builder-workspace/Sources/CountDownLatch.swift:57:16: warning: no calls to throwing functions occur within 'try' expression [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/unnecessary-effect-marker\UnnecessaryEffectMarker]8;;\]
 55 |
 56 |     open func await( _ _timeout: Int64, _ _unit: TimeUnit? ) throws /* java.lang.InterruptedException */ -> Bool {
 57 |         return try await( timeout: _timeout, unit: _unit )
    |                `- warning: no calls to throwing functions occur within 'try' expression [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/unnecessary-effect-marker\UnnecessaryEffectMarker]8;;\]
 58 |     }
 59 |
[#UnnecessaryEffectMarker]: <https://docs.swift.org/compiler/documentation/diagnostics/unnecessary-effect-marker>
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c -filelist /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/java_util.build/Debug/java_util-t.build/Objects-normal/arm64/sources-2 -primary-file /Users/admin/builder/spi-builder-workspace/Sources/CheckedOutputStream.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/Checksum.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/Collection.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/Collections.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/Collector.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/Collectors.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/CompletionException.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/CompletionService.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/CompletionStage.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/ConcurrentHashMap.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/ConcurrentLinkedDeque.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/ConcurrentLinkedQueue.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/ConcurrentMap.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/ConcurrentModificationException.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/ConcurrentNavigableMap.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/ConcurrentSkipListMap.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/ConcurrentSkipListSet.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/Condition.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/ConsoleHandler.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/Consumer.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/CopyOnWriteArrayList.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/CopyOnWriteArraySet.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/CountDownLatch.swift -supplementary-output-file-map /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/java_util.build/Debug/java_util-t.build/Objects-normal/arm64/supplementaryOutputs-13 -target arm64-apple-macos12.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/java_util.build/Debug/java_util-t.build/Objects-normal/arm64/java_util-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk 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-I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/java_util.build/Debug/java_util-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/java_util.build/Debug/java_util-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/java_util.build/Debug/java_util-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name java_util -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/java_util.build/Debug/java_util-t.build/Objects-normal/arm64/java_util_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-macos27.0 -target-sdk-version 27.0 -target-sdk-name macosx27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/java_util.build/Debug/java_util-t.build/Objects-normal/arm64/CheckedOutputStream.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/java_util.build/Debug/java_util-t.build/Objects-normal/arm64/Checksum.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/java_util.build/Debug/java_util-t.build/Objects-normal/arm64/Collection.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/java_util.build/Debug/java_util-t.build/Objects-normal/arm64/Collections.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/java_util.build/Debug/java_util-t.build/Objects-normal/arm64/Collector.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/java_util.build/Debug/java_util-t.build/Objects-normal/arm64/Collectors.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/java_util.build/Debug/java_util-t.build/Objects-normal/arm64/CompletionException.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/java_util.build/Debug/java_util-t.build/Objects-normal/arm64/CompletionService.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/java_util.build/Debug/java_util-t.build/Objects-normal/arm64/CompletionStage.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/java_util.build/Debug/java_util-t.build/Objects-normal/arm64/ConcurrentHashMap.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/java_util.build/Debug/java_util-t.build/Objects-normal/arm64/ConcurrentLinkedDeque.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/java_util.build/Debug/java_util-t.build/Objects-normal/arm64/ConcurrentLinkedQueue.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/java_util.build/Debug/java_util-t.build/Objects-normal/arm64/ConcurrentMap.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/java_util.build/Debug/java_util-t.build/Objects-normal/arm64/ConcurrentModificationException.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/java_util.build/Debug/java_util-t.build/Objects-normal/arm64/ConcurrentNavigableMap.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/java_util.build/Debug/java_util-t.build/Objects-normal/arm64/ConcurrentSkipListMap.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/java_util.build/Debug/java_util-t.build/Objects-normal/arm64/ConcurrentSkipListSet.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/java_util.build/Debug/java_util-t.build/Objects-normal/arm64/Condition.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/java_util.build/Debug/java_util-t.build/Objects-normal/arm64/ConsoleHandler.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/java_util.build/Debug/java_util-t.build/Objects-normal/arm64/Consumer.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/java_util.build/Debug/java_util-t.build/Objects-normal/arm64/CopyOnWriteArrayList.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/java_util.build/Debug/java_util-t.build/Objects-normal/arm64/CopyOnWriteArraySet.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/java_util.build/Debug/java_util-t.build/Objects-normal/arm64/CountDownLatch.o -debug-module-path 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/java_util.build/Debug/java_util-t.build/Objects-normal/arm64/Condition.o -index-unit-output-path /java_util.build/Debug/java_util-t.build/Objects-normal/arm64/ConsoleHandler.o -index-unit-output-path /java_util.build/Debug/java_util-t.build/Objects-normal/arm64/Consumer.o -index-unit-output-path /java_util.build/Debug/java_util-t.build/Objects-normal/arm64/CopyOnWriteArrayList.o -index-unit-output-path /java_util.build/Debug/java_util-t.build/Objects-normal/arm64/CopyOnWriteArraySet.o -index-unit-output-path /java_util.build/Debug/java_util-t.build/Objects-normal/arm64/CountDownLatch.o -index-store-path /Users/admin/builder/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 macosSpm