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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

Successful build of swift-numerics, reference 1.0.3 (e0ec0f), with Swift 6.0 for macOS (SPM) on 4 Mar 2025 15:34:26 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures

Build Log

========================================
RunAll
========================================
Builder version: 4.60.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/apple/swift-numerics.git
Reference: 1.0.3
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/apple/swift-numerics
 * tag               1.0.3      -> FETCH_HEAD
HEAD is now at e0ec0f5 Cherry-pick pow edge case fixes from main.
Cloned https://github.com/apple/swift-numerics.git
Revision (git rev-parse @):
e0ec0f5f3af6f3e4d5e7a19d2af26b481acb6ba8
SUCCESS checkout https://github.com/apple/swift-numerics.git at 1.0.3
========================================
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": "swift-numerics",
      "name": "swift-numerics",
      "url": "https://github.com/apple/swift-numerics.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-numerics",
      "dependencies": [
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Fetching https://github.com/apple/swift-numerics.git
[1/5618] Fetching swift-numerics
Fetched https://github.com/apple/swift-numerics.git from cache (1.11s)
Creating working copy for https://github.com/apple/swift-numerics.git
Working copy of https://github.com/apple/swift-numerics.git resolved at 1.0.3 (e0ec0f5)
warning: '.resolve-product-dependencies': dependency 'swift-numerics' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/apple/swift-numerics.git
https://github.com/apple/swift-numerics.git
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  "manifest_display_name" : "swift-numerics",
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        "ComplexLog1p"
      ],
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      }
    },
    {
      "name" : "ComplexLog",
      "targets" : [
        "ComplexLog"
      ],
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      "sources" : [
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        "PropertyTests.swift"
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      "type" : "test"
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      "type" : "library"
    },
    {
      "c99name" : "ComplexLog1p",
      "module_type" : "SwiftTarget",
      "name" : "ComplexLog1p",
      "path" : "Tests/Executable/ComplexLog1p",
      "product_memberships" : [
        "ComplexLog1p"
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      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "Numerics",
        "_TestSupport"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "ComplexLog",
      "module_type" : "SwiftTarget",
      "name" : "ComplexLog",
      "path" : "Tests/Executable/ComplexLog",
      "product_memberships" : [
        "ComplexLog"
      ],
      "sources" : [
        "main.swift"
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      "target_dependencies" : [
        "Numerics",
        "_TestSupport"
      ],
      "type" : "executable"
    }
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  "tools_version" : "5.2"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
Building for debugging...
[0/16] Write sources
[0/16] Write ComplexLog1p-entitlement.plist
[0/16] Write sources
[7/16] Write ComplexLog-entitlement.plist
[8/16] Compiling _NumericsShims _NumericsShims.c
[9/16] Write swift-version-5BDAB9E9C0126B9D.txt
[11/26] Compiling RealModule Real.swift
[12/27] Compiling RealModule RealFunctions.swift
[13/27] Compiling RealModule Float16+Real.swift
[14/27] Compiling RealModule Double+Real.swift
[15/27] Compiling RealModule ElementaryFunctions.swift
[16/27] Compiling RealModule AlgebraicField.swift
[17/27] Compiling RealModule AugmentedArithmetic.swift
[18/27] Emitting module RealModule
[19/27] Compiling RealModule Float+Real.swift
[20/27] Compiling RealModule Float80+Real.swift
[21/27] Compiling RealModule ApproximateEquality.swift
[22/32] Compiling ComplexModule Complex.swift
[23/32] Compiling ComplexModule ElementaryFunctions.swift
[24/32] Compiling ComplexModule Differentiable.swift
[25/32] Compiling ComplexModule Arithmetic.swift
[26/32] Emitting module ComplexModule
[27/34] Emitting module Numerics
[28/34] Compiling Numerics Numerics.swift
[29/38] Emitting module _TestSupport
[30/38] Compiling _TestSupport Error.swift
[31/38] Compiling _TestSupport RealTestSupport.swift
[32/38] Compiling _TestSupport Interval.swift
[33/42] Compiling ComplexLog1p main.swift
[34/42] Emitting module ComplexLog1p
[35/42] Compiling ComplexLog main.swift
[36/42] Emitting module ComplexLog
[36/42] Write Objects.LinkFileList
[38/42] Linking ComplexLog
[38/42] Linking ComplexLog1p
[40/42] Applying ComplexLog
[40/42] Applying ComplexLog1p
Build complete! (10.14s)
Build complete.
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Done.