Swift Package Index

Build Information

Failed to build Java, reference 2.0.0 (c5c3cd), with Swift 6.3 for watchOS using Xcode 26.4 on 10 Apr 2026 14:31:47 UTC.

Build Command

No build command. This typically means the build failed at an early stage where we determine the build command.

Build Log

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RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/readdle/swift-java.git
Reference: 2.0.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/readdle/swift-java
 * tag               2.0.0      -> FETCH_HEAD
HEAD is now at c5c3cd0 Merge commit 'master' into feature/coder2
Cloned https://github.com/readdle/swift-java.git
Revision (git rev-parse @):
c5c3cd00ffd4a6da63c8a5809d55e444c91f512d
SUCCESS checkout https://github.com/readdle/swift-java.git at 2.0.0
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Build
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Selected platform:         watchOS
Swift version:             6.3
Building package at path:  $PWD
https://github.com/readdle/swift-java.git
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/andriydruk/swift-anycodable.git
Fetching from https://github.com/SwiftJava/CJavaVM.git
package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.3' to specify the current tools versionResolve Package Graph
Updating from https://github.com/SwiftJava/CJavaVM.git
Updating from https://github.com/andriydruk/swift-anycodable.git
package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.3' to specify the current tools version
Resolved source packages:
  spi-builder-workspace: (null)
2026-04-10 10:31:45.127 xcodebuild[529:3064] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-10-04_10-31-0045.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.3' to specify the current tools version
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Updating from https://github.com/andriydruk/swift-anycodable.git
Updating from https://github.com/SwiftJava/CJavaVM.git
package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.3' to specify the current tools version
Resolved source packages:
  spi-builder-workspace: (null)
2026-04-10 10:31:47.301 xcodebuild[641:3801] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-10-04_10-31-0047.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.3' to specify the current tools version
BUILD FAILURE 6.3 watchOS