Swift Package Index

Build Information

Failed to build swift-corelibs-foundation, reference main (b40c41), with Swift 6.4 for macOS (SPM) on 20 Oct 2026 01:57:05 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 5.1.3
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/swiftlang/swift-corelibs-foundation.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swiftlang/swift-corelibs-foundation
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at b40c41e Accept Set-Cookie response header fields regardless of case (#5613)
Cloned https://github.com/swiftlang/swift-corelibs-foundation.git
Revision (git rev-parse @):
b40c41e73612385c24be821bdfe95a67fdb157a5
SUCCESS checkout https://github.com/swiftlang/swift-corelibs-foundation.git at main
Fetching https://github.com/apple/swift-foundation-icu
[1/4800] Fetching swift-foundation-icu
Fetched https://github.com/apple/swift-foundation-icu (104.68s)
Fetching https://github.com/apple/swift-foundation
[1/38601] Fetching swift-foundation
Fetched https://github.com/apple/swift-foundation (240.49s)
Fetching https://github.com/swiftlang/swift-syntax
[1/80878] Fetching swift-syntax
Fetched https://github.com/swiftlang/swift-syntax (8.57s)
Fetching https://github.com/apple/swift-collections
[1/28904] Fetching swift-collections
Fetched https://github.com/apple/swift-collections (5.81s)
Computing version for https://github.com/apple/swift-collections
Computed https://github.com/apple/swift-collections at 1.7.3 (6.52s)
Creating working copy for https://github.com/apple/swift-foundation-icu
Working copy of https://github.com/apple/swift-foundation-icu resolved at main (e8538d2)
Creating working copy for https://github.com/apple/swift-collections
Working copy of https://github.com/apple/swift-collections resolved at 1.7.3
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at main (fbbd990)
Creating working copy for https://github.com/apple/swift-foundation
Working copy of https://github.com/apple/swift-foundation resolved at main (d7bae74)
========================================
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-corelibs-foundation",
      "name": "swift-corelibs-foundation",
      "url": "https://github.com/swiftlang/swift-corelibs-foundation.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-corelibs-foundation",
      "traits": [
        "default"
      ],
      "dependencies": [
        {
          "identity": "swift-foundation-icu",
          "name": "FoundationICU",
          "url": "https://github.com/apple/swift-foundation-icu",
          "version": "unspecified",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-foundation-icu",
          "traits": [
            "default"
          ],
          "dependencies": [
          ]
        },
        {
          "identity": "swift-foundation",
          "name": "swift-foundation",
          "url": "https://github.com/apple/swift-foundation",
          "version": "unspecified",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-foundation",
          "traits": [
            "default"
          ],
          "dependencies": [
            {
              "identity": "swift-collections",
              "name": "swift-collections",
              "url": "https://github.com/apple/swift-collections",
              "version": "1.7.3",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-collections",
              "traits": [
              ],
              "dependencies": [
              ]
            },
            {
              "identity": "swift-foundation-icu",
              "name": "FoundationICU",
              "url": "https://github.com/apple/swift-foundation-icu",
              "version": "unspecified",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-foundation-icu",
              "traits": [
                "default"
              ],
              "dependencies": [
              ]
            },
            {
              "identity": "swift-syntax",
              "name": "swift-syntax",
              "url": "https://github.com/swiftlang/swift-syntax",
              "version": "unspecified",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-syntax",
              "traits": [
                "default"
              ],
              "dependencies": [
              ]
            }
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/swiftlang/swift-corelibs-foundation.git
[1/72758] Fetching swift-corelibs-foundation
Fetched https://github.com/swiftlang/swift-corelibs-foundation.git (10.03s)
Fetching https://github.com/apple/swift-foundation-icu from cache
Fetched https://github.com/apple/swift-foundation-icu from cache (0.67s)
Fetching https://github.com/apple/swift-foundation from cache
Fetched https://github.com/apple/swift-foundation from cache (0.81s)
Fetching https://github.com/swiftlang/swift-syntax from cache
Fetched https://github.com/swiftlang/swift-syntax from cache (1.01s)
Fetching https://github.com/apple/swift-collections from cache
Fetched https://github.com/apple/swift-collections from cache (0.64s)
Computing version for https://github.com/apple/swift-collections
Computed https://github.com/apple/swift-collections at 1.7.3 (0.73s)
Creating working copy for https://github.com/apple/swift-foundation-icu
Working copy of https://github.com/apple/swift-foundation-icu resolved at main (e8538d2)
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at main (fbbd990)
Creating working copy for https://github.com/swiftlang/swift-corelibs-foundation.git
Working copy of https://github.com/swiftlang/swift-corelibs-foundation.git resolved at main (b40c41e)
Creating working copy for https://github.com/apple/swift-collections
Working copy of https://github.com/apple/swift-collections resolved at 1.7.3
Creating working copy for https://github.com/apple/swift-foundation
Working copy of https://github.com/apple/swift-foundation resolved at main (d7bae74)
Found 2 product dependencies
  - FoundationICU
  - swift-foundation
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/swiftlang/swift-corelibs-foundation.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0.app xcrun swift build --arch arm64
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 1360]
[Planning deferred tasks]
[Constructing 749 / 3592]
[Starting]
warning: 'spi-builder-workspace': failed to retrieve search paths with pkg-config; maybe pkg-config is not installed
warning: 'spi-builder-workspace': you may be able to install libxml-2.0 using your system-packager:
    brew install libxml2
warning: 'spi-builder-workspace': you may be able to install libcurl using your system-packager:
    brew install libcurl
error: MACOSX_DEPLOYMENT_TARGET The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 99.9, but the range of supported deployment target versions is 12.0 to 27.0.x.
error: MACOSX_DEPLOYMENT_TARGET The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 99.9, but the range of supported deployment target versions is 12.0 to 27.0.x.
error: MACOSX_DEPLOYMENT_TARGET The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 99.9, but the range of supported deployment target versions is 12.0 to 27.0.x.
error: MACOSX_DEPLOYMENT_TARGET The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 99.9, but the range of supported deployment target versions is 12.0 to 27.0.x.
error: MACOSX_DEPLOYMENT_TARGET The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 99.9, but the range of supported deployment target versions is 12.0 to 27.0.x.
error: MACOSX_DEPLOYMENT_TARGET The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 99.9, but the range of supported deployment target versions is 12.0 to 27.0.x.
error: MACOSX_DEPLOYMENT_TARGET The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 99.9, but the range of supported deployment target versions is 12.0 to 27.0.x.
error: MACOSX_DEPLOYMENT_TARGET The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 99.9, but the range of supported deployment target versions is 12.0 to 27.0.x.
error: MACOSX_DEPLOYMENT_TARGET The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 99.9, but the range of supported deployment target versions is 12.0 to 27.0.x.
error: MACOSX_DEPLOYMENT_TARGET The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 99.9, but the range of supported deployment target versions is 12.0 to 27.0.x.
error: MACOSX_DEPLOYMENT_TARGET The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 99.9, but the range of supported deployment target versions is 12.0 to 27.0.x.
error: MACOSX_DEPLOYMENT_TARGET The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 99.9, but the range of supported deployment target versions is 12.0 to 27.0.x.
error: MACOSX_DEPLOYMENT_TARGET The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 99.9, but the range of supported deployment target versions is 12.0 to 27.0.x.
error: MACOSX_DEPLOYMENT_TARGET The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 99.9, but the range of supported deployment target versions is 12.0 to 27.0.x.
error: Build failed
BUILD FAILURE 6.4 macosSpm