Swift Package Index

Build Information

Failed to build swift-differentiation-stdlib, reference 603.0.0 (25f569), with Swift 6.3 for macOS (SPM) on 22 Apr 2026 01:53:30 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
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Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/differentiable-swift/swift-differentiation-stdlib.git
Reference: 603.0.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/differentiable-swift/swift-differentiation-stdlib
 * tag               603.0.0    -> FETCH_HEAD
HEAD is now at 25f5691 initial commit
Cloned https://github.com/differentiable-swift/swift-differentiation-stdlib.git
Revision (git rev-parse @):
25f56912ece400866489aac0e8466592f2e1c9db
SUCCESS checkout https://github.com/differentiable-swift/swift-differentiation-stdlib.git at 603.0.0
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "traits": [
    "default"
  ],
  "dependencies": [
    {
      "identity": "swift-differentiation-stdlib",
      "name": "swift-differentiation-stdlib",
      "url": "https://github.com/differentiable-swift/swift-differentiation-stdlib.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-differentiation-stdlib",
      "traits": [
        "default"
      ],
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/differentiable-swift/swift-differentiation-stdlib.git
[1/79] Fetching swift-differentiation-stdlib
Fetched https://github.com/differentiable-swift/swift-differentiation-stdlib.git from cache (1.19s)
Creating working copy for https://github.com/differentiable-swift/swift-differentiation-stdlib.git
Working copy of https://github.com/differentiable-swift/swift-differentiation-stdlib.git resolved at 603.0.0 (25f5691)
warning: '.resolve-product-dependencies': dependency 'swift-differentiation-stdlib' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/differentiable-swift/swift-differentiation-stdlib.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.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 6.3 macosSpm