Swift Package Index

Build Information

Failed to build ExtendedSwift, reference main (813915), with Swift 6.3 for macOS (SPM) on 18 Apr 2026 04:43:05 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/davedelong/extendedswift.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/davedelong/extendedswift
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 8139152 binding triggers
Cloned https://github.com/davedelong/extendedswift.git
Revision (git rev-parse @):
8139152ba20945644aff4d07362657f0ec25f08b
SUCCESS checkout https://github.com/davedelong/extendedswift.git at main
Fetching https://github.com/apple/swift-numerics
Fetching https://github.com/apple/swift-log.git
Fetching https://github.com/apple/swift-algorithms.git
[1/6058] Fetching swift-algorithms
[123/12474] Fetching swift-algorithms, swift-numerics
[1107/19109] Fetching swift-algorithms, swift-numerics, swift-log
Fetched https://github.com/apple/swift-algorithms.git from cache (1.25s)
Fetched https://github.com/apple/swift-log.git from cache (1.25s)
Fetched https://github.com/apple/swift-numerics from cache (1.25s)
Computing version for https://github.com/apple/swift-log
Computed https://github.com/apple/swift-log at 1.5.2 (4.36s)
Computing version for https://github.com/apple/swift-algorithms
Computed https://github.com/apple/swift-algorithms at 1.0.0 (0.64s)
Computing version for https://github.com/apple/swift-numerics
Computed https://github.com/apple/swift-numerics at 1.0.2 (0.89s)
Creating working copy for https://github.com/apple/swift-algorithms.git
Working copy of https://github.com/apple/swift-algorithms.git resolved at 1.0.0
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.5.2
Creating working copy for https://github.com/apple/swift-numerics
Working copy of https://github.com/apple/swift-numerics resolved at 1.0.2
========================================
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": "extendedswift",
      "name": "ExtendedSwift",
      "url": "https://github.com/davedelong/extendedswift.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/extendedswift",
      "traits": [
        "default"
      ],
      "dependencies": [
        {
          "identity": "swift-algorithms",
          "name": "swift-algorithms",
          "url": "https://github.com/apple/swift-algorithms",
          "version": "1.2.1",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-algorithms",
          "traits": [
            "default"
          ],
          "dependencies": [
            {
              "identity": "swift-numerics",
              "name": "swift-numerics",
              "url": "https://github.com/apple/swift-numerics.git",
              "version": "1.1.1",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-numerics",
              "traits": [
                "default"
              ],
              "dependencies": [
              ]
            }
          ]
        },
        {
          "identity": "swift-log",
          "name": "swift-log",
          "url": "https://github.com/apple/swift-log",
          "version": "1.12.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-log",
          "traits": [
          ],
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/davedelong/extendedswift.git
[1/2148] Fetching extendedswift
Fetched https://github.com/davedelong/extendedswift.git from cache (0.92s)
Fetching https://github.com/apple/swift-algorithms from cache
Fetching https://github.com/apple/swift-log from cache
Fetched https://github.com/apple/swift-log from cache (0.50s)
Fetched https://github.com/apple/swift-algorithms from cache (0.50s)
Computing version for https://github.com/apple/swift-algorithms
Computed https://github.com/apple/swift-algorithms at 1.2.1 (1.16s)
Fetching https://github.com/apple/swift-numerics.git from cache
Fetched https://github.com/apple/swift-numerics.git from cache (0.63s)
Computing version for https://github.com/apple/swift-numerics.git
Computed https://github.com/apple/swift-numerics.git at 1.1.1 (1.20s)
Computing version for https://github.com/apple/swift-log
Computed https://github.com/apple/swift-log at 1.12.0 (0.57s)
Creating working copy for https://github.com/apple/swift-algorithms
Working copy of https://github.com/apple/swift-algorithms resolved at 1.2.1
Creating working copy for https://github.com/apple/swift-numerics.git
Working copy of https://github.com/apple/swift-numerics.git resolved at 1.1.1
Creating working copy for https://github.com/davedelong/extendedswift.git
Working copy of https://github.com/davedelong/extendedswift.git resolved at main (8139152)
Creating working copy for https://github.com/apple/swift-log
Working copy of https://github.com/apple/swift-log resolved at 1.12.0
Found 2 product dependencies
  - swift-algorithms
  - swift-log
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/davedelong/extendedswift.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/24] Write sources
[1/24] Write debug-entitlement.plist
[3/24] Compiling _NumericsShims _NumericsShims.c
[4/24] Write swift-version--6988338F2F200930.txt
[5/24] Write sources
[7/34] Compiling RealModule Real.swift
[8/35] Compiling RealModule ElementaryFunctions.swift
[9/35] Compiling RealModule Float80+Real.swift
[10/35] Compiling RealModule Float+Real.swift
[11/35] Compiling RealModule Float16+Real.swift
[12/35] Compiling RealModule ApproximateEquality.swift
[13/35] Compiling RealModule AugmentedArithmetic.swift
[14/35] Compiling RealModule AlgebraicField.swift
[15/35] Compiling RealModule Double+Real.swift
[16/35] Emitting module RealModule
[17/35] Compiling RealModule RealFunctions.swift
/Users/admin/builder/spi-builder-workspace/Sources/PrivateAPI/src/GregorianDate.m:130:48: error: non-void function 'GregorianDateIncrementDay' should return a value [-Wreturn-mismatch]
  130 |     if (GregorianDateIsValid(date) == false) { return; }
      |                                                ^
/Users/admin/builder/spi-builder-workspace/Sources/PrivateAPI/src/GregorianDate.m:148:48: error: non-void function 'GregorianDateDecrementDay' should return a value [-Wreturn-mismatch]
  148 |     if (GregorianDateIsValid(date) == false) { return; }
      |                                                ^
2 errors generated.
[17/40] Compiling GregorianDate.m
[17/40] Compiling JSON.m
[17/40] Compiling Runtime.m
[17/40] Compiling NSUUID+Time.m
[17/40] Compiling SignalSafe.m
[17/40] Compiling GregorianDate+Formatters.m
[17/40] Compiling AppSession.m
[17/40] Compiling JSON+Serialize.m
[17/40] Compiling GregorianDate+Format.m
[18/40] Emitting module Logging
BUILD FAILURE 6.3 macosSpm