Swift Package Index

Build Information

Failed to build CRuby, reference v2.1.0 (6cdfc7), with Swift 6.1 for macOS (SPM) on 1 May 2026 12:37:57 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/johnfairh/CRuby.git
Reference: v2.1.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/johnfairh/CRuby
 * tag               v2.1.0     -> FETCH_HEAD
HEAD is now at 6cdfc7d Release 2.1.0
Cloned https://github.com/johnfairh/CRuby.git
Revision (git rev-parse @):
6cdfc7db30f8fc7a27199a1b6b829e42e67bb5c7
SUCCESS checkout https://github.com/johnfairh/CRuby.git at v2.1.0
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/johnfairh/CRuby.git
https://github.com/johnfairh/CRuby.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "CRuby",
  "name" : "CRuby",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "CRuby",
      "targets" : [
        "CRuby"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CRuby",
      "module_type" : "SystemLibraryTarget",
      "name" : "CRuby",
      "path" : "Sources/CRuby",
      "product_memberships" : [
        "CRuby"
      ],
      "sources" : [
      ],
      "type" : "system-target"
    }
  ],
  "tools_version" : "5.4"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -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
error: The package does not contain a buildable target.
Add at least one `.target` or `.executableTarget` to your `Package.swift`.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
error: The package does not contain a buildable target.
Add at least one `.target` or `.executableTarget` to your `Package.swift`.
BUILD FAILURE 6.1 macosSpm