Swift Package Index

Build Information

Failed to build nstack, reference 2.1.0 (eae05e), with Swift 6.3 for watchOS using Xcode 26.4 on 14 Apr 2026 11:38:51 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ml-archive/nstack.git
Reference: 2.1.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ml-archive/nstack
 * tag               2.1.0      -> FETCH_HEAD
HEAD is now at eae05ea Merge pull request #31 from nodes-vapor/feature/vapor-2-files-support
Cloned https://github.com/ml-archive/nstack.git
Revision (git rev-parse @):
eae05ea1af2295a1aa0557506444606a9c7a6744
SUCCESS checkout https://github.com/ml-archive/nstack.git at 2.1.0
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             6.3
Building package at path:  $PWD
https://github.com/ml-archive/nstack.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
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)
2026-04-14 07:38:49.481 xcodebuild[524:3024] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-14-04_07-38-0049.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
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)
2026-04-14 07:38:51.291 xcodebuild[575:3452] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-14-04_07-38-0051.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