Swift Package Index

Build Information

Failed to build SwiftBacktrace, reference master (2a865d), with Swift 6.3 for macOS (SPM) on 10 Apr 2026 14:48:32 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/norio-nomura/swiftbacktrace.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/norio-nomura/swiftbacktrace
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 2a865d3 [GitHub Actions] Update action-swiftlint to 3.0.1
Cloned https://github.com/norio-nomura/swiftbacktrace.git
Revision (git rev-parse @):
2a865d3d54cd36e637badc7a788133b8ddfc9b58
SUCCESS checkout https://github.com/norio-nomura/swiftbacktrace.git at master
Fetching https://github.com/apple/swift-nio.git
[1/83101] Fetching swift-nio
Fetched https://github.com/apple/swift-nio.git from cache (7.04s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.97.1 (7.79s)
Fetching https://github.com/apple/swift-collections.git
Fetching https://github.com/apple/swift-atomics.git
Fetching https://github.com/apple/swift-system.git
[1/1820] Fetching swift-atomics
[438/25345] Fetching swift-atomics, swift-collections
[838/30946] Fetching swift-atomics, swift-collections, swift-system
Fetched https://github.com/apple/swift-system.git from cache (1.19s)
[4408/25345] Fetching swift-atomics, swift-collections
Fetched https://github.com/apple/swift-collections.git from cache (1.85s)
Fetched https://github.com/apple/swift-atomics.git from cache (1.85s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.0 (2.44s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.6.4 (0.56s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.4.1 (0.64s)
Creating working copy for https://github.com/apple/swift-system.git
Working copy of https://github.com/apple/swift-system.git resolved at 1.6.4
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.4.1
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.97.1
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.0
========================================
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": "swiftbacktrace",
      "name": "SwiftBacktrace",
      "url": "https://github.com/norio-nomura/swiftbacktrace.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swiftbacktrace",
      "traits": [
        "default"
      ],
      "dependencies": [
        {
          "identity": "swift-nio",
          "name": "swift-nio",
          "url": "https://github.com/apple/swift-nio.git",
          "version": "2.97.1",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-nio",
          "traits": [
            "default"
          ],
          "dependencies": [
            {
              "identity": "swift-atomics",
              "name": "swift-atomics",
              "url": "https://github.com/apple/swift-atomics.git",
              "version": "1.3.0",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-atomics",
              "traits": [
                "default"
              ],
              "dependencies": [
              ]
            },
            {
              "identity": "swift-collections",
              "name": "swift-collections",
              "url": "https://github.com/apple/swift-collections.git",
              "version": "1.4.1",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-collections",
              "traits": [
              ],
              "dependencies": [
              ]
            },
            {
              "identity": "swift-system",
              "name": "swift-system",
              "url": "https://github.com/apple/swift-system.git",
              "version": "1.6.4",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-system",
              "traits": [
                "default"
              ],
              "dependencies": [
              ]
            }
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/norio-nomura/swiftbacktrace.git
[1/389] Fetching swiftbacktrace
Fetched https://github.com/norio-nomura/swiftbacktrace.git from cache (0.67s)
Fetching https://github.com/apple/swift-nio.git from cache
Fetched https://github.com/apple/swift-nio.git from cache (0.82s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.97.1 (0.91s)
Fetching https://github.com/apple/swift-system.git from cache
Fetching https://github.com/apple/swift-atomics.git from cache
Fetching https://github.com/apple/swift-collections.git from cache
Fetched https://github.com/apple/swift-collections.git from cache (0.55s)
Fetched https://github.com/apple/swift-system.git from cache (0.55s)
Fetched https://github.com/apple/swift-atomics.git from cache (0.55s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.0 (0.63s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.6.4 (0.04s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.4.1 (0.05s)
Creating working copy for https://github.com/apple/swift-system.git
Working copy of https://github.com/apple/swift-system.git resolved at 1.6.4
Creating working copy for https://github.com/norio-nomura/swiftbacktrace.git
Working copy of https://github.com/norio-nomura/swiftbacktrace.git resolved at master (2a865d3)
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.97.1
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.0
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.4.1
warning: '.resolve-product-dependencies': dependency 'swiftbacktrace' is not used by any target
Found 1 product dependencies
  - swift-nio
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/norio-nomura/swiftbacktrace.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/7] Write sources
In file included from /Users/admin/builder/spi-builder-workspace/Sources/Clibunwind/Clibunwind.cpp:1:
/Users/admin/builder/spi-builder-workspace/Sources/Clibunwind/include/Clibunwind.h:33:3: error: "Unsupported arch"
   33 | # error "Unsupported arch"
      |   ^
1 error generated.
[2/7] Compiling Clibunwind Clibunwind.cpp
[2/7] Compiling c-nioatomics.c
[2/7] Compiling CSwiftBacktrace CSwiftBacktrace.cpp
[2/7] Compiling c-atomics.c
[2/7] Write swift-version--6988338F2F200930.txt
BUILD FAILURE 6.3 macosSpm