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Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build SwiftBacktrace, reference 1.0.1 (1b4bbe), with Swift 6.0 for macOS (SPM) on 31 Oct 2024 03:49:21 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.56.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/norio-nomura/swiftbacktrace.git
Reference: 1.0.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/norio-nomura/swiftbacktrace
 * tag               1.0.1      -> FETCH_HEAD
HEAD is now at 1b4bbe8 Merge pull request #19 from norio-nomura/revert-#18
Cloned https://github.com/norio-nomura/swiftbacktrace.git
Revision (git rev-parse @):
1b4bbe87c19d5e2e04786d8140ab36fec4b7881b
SUCCESS checkout https://github.com/norio-nomura/swiftbacktrace.git at 1.0.1
Fetching https://github.com/apple/swift-nio.git
[1/71091] Fetching swift-nio
Fetched https://github.com/apple/swift-nio.git from cache (5.67s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.76.1 (2.60s)
Fetching https://github.com/apple/swift-atomics.git
Fetching https://github.com/apple/swift-collections.git
Fetching https://github.com/apple/swift-system.git
[1/3901] Fetching swift-system
[41/5470] Fetching swift-system, swift-atomics
[2330/20945] Fetching swift-system, swift-atomics, swift-collections
Fetched https://github.com/apple/swift-system.git from cache (6.18s)
Fetched https://github.com/apple/swift-atomics.git from cache (6.18s)
Fetched https://github.com/apple/swift-collections.git from cache (6.19s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.4.0 (0.48s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.2.0 (0.49s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.1.4 (0.75s)
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.76.1
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.1.4
Creating working copy for https://github.com/apple/swift-system.git
Working copy of https://github.com/apple/swift-system.git resolved at 1.4.0
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.2.0
========================================
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",
  "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",
      "dependencies": [
        {
          "identity": "swift-nio",
          "name": "swift-nio",
          "url": "https://github.com/apple/swift-nio.git",
          "version": "2.76.1",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-nio",
          "dependencies": [
            {
              "identity": "swift-atomics",
              "name": "swift-atomics",
              "url": "https://github.com/apple/swift-atomics.git",
              "version": "1.2.0",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-atomics",
              "dependencies": [
              ]
            },
            {
              "identity": "swift-collections",
              "name": "swift-collections",
              "url": "https://github.com/apple/swift-collections.git",
              "version": "1.1.4",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-collections",
              "dependencies": [
              ]
            },
            {
              "identity": "swift-system",
              "name": "swift-system",
              "url": "https://github.com/apple/swift-system.git",
              "version": "1.4.0",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-system",
              "dependencies": [
              ]
            }
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/norio-nomura/swiftbacktrace.git
[1/389] Fetching swiftbacktrace
Fetched https://github.com/norio-nomura/swiftbacktrace.git from cache (0.78s)
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 2.76.1 (0.03s)
Fetching https://github.com/apple/swift-atomics.git from cache
Fetching https://github.com/apple/swift-collections.git from cache
Fetching https://github.com/apple/swift-system.git from cache
Fetched https://github.com/apple/swift-system.git from cache (0.47s)
Fetched https://github.com/apple/swift-collections.git from cache (0.56s)
Fetched https://github.com/apple/swift-atomics.git from cache (0.56s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.4.0 (0.02s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.2.0 (0.03s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.1.4 (0.03s)
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.2.0
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.76.1
Creating working copy for https://github.com/norio-nomura/swiftbacktrace.git
Working copy of https://github.com/norio-nomura/swiftbacktrace.git resolved at 1.0.1 (1b4bbe8)
Creating working copy for https://github.com/apple/swift-system.git
Working copy of https://github.com/apple/swift-system.git resolved at 1.4.0
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.1.4
warning: '.resolve-product-dependencies': dependency 'swiftbacktrace' is not used by any target
Found 1 product dependencies
  - swift-nio
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/norio-nomura/swiftbacktrace.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
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 CSwiftBacktrace CSwiftBacktrace.cpp
[2/7] Compiling c-atomics.c
[2/7] Compiling c-nioatomics.c
[2/7] Write swift-version--7754E27361AE5C74.txt
BUILD FAILURE 6.0 macosSpm