Swift Package Index

Build Information

Failed to build ListDiff, reference master (139050), with Swift 6.3 for macOS (SPM) on 21 Apr 2026 14:37:36 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/lxcid/ListDiff.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/lxcid/ListDiff
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 1390504 Merge pull request #11 from nickaroot/master
Cloned https://github.com/lxcid/ListDiff.git
Revision (git rev-parse @):
1390504170150f378aa1be17f92322e6d12533d8
SUCCESS checkout https://github.com/lxcid/ListDiff.git at master
========================================
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": "listdiff",
      "name": "ListDiff",
      "url": "https://github.com/lxcid/ListDiff.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/ListDiff",
      "traits": [
        "default"
      ],
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/lxcid/ListDiff.git
[1/212] Fetching listdiff
Fetched https://github.com/lxcid/ListDiff.git from cache (0.69s)
Creating working copy for https://github.com/lxcid/ListDiff.git
Working copy of https://github.com/lxcid/ListDiff.git resolved at master (1390504)
warning: '.resolve-product-dependencies': dependency 'listdiff' 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/lxcid/ListDiff.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
error: 'spi-builder-workspace': target at '/Users/admin/builder/spi-builder-workspace/Tests/ListDiffTests' contains mixed language source files; feature not supported
BUILD FAILURE 6.3 macosSpm