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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 Interval, reference master (62af07), with Swift 6.1 for macOS (SPM) on 26 Apr 2025 03:16:11 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.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: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/dankogai/swift-interval.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/dankogai/swift-interval
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 62af07d update README.md
Cloned https://github.com/dankogai/swift-interval.git
Revision (git rev-parse @):
62af07d59cccbd5f70c09dc13877d94287ed0b83
SUCCESS checkout https://github.com/dankogai/swift-interval.git at master
Fetching https://github.com/apple/swift-numerics from cache
Fetched https://github.com/apple/swift-numerics from cache (0.44s)
Computing version for https://github.com/apple/swift-numerics
Computed https://github.com/apple/swift-numerics at 0.1.0 (1.16s)
Creating working copy for https://github.com/apple/swift-numerics
Working copy of https://github.com/apple/swift-numerics resolved at 0.1.0
========================================
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": "swift-interval",
      "name": "Interval",
      "url": "https://github.com/dankogai/swift-interval.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-interval",
      "dependencies": [
        {
          "identity": "swift-numerics",
          "name": "swift-numerics",
          "url": "https://github.com/apple/swift-numerics",
          "version": "0.1.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-numerics",
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/dankogai/swift-interval.git
[1/160] Fetching swift-interval
Fetched https://github.com/dankogai/swift-interval.git from cache (0.64s)
Fetching https://github.com/apple/swift-numerics from cache
Fetched https://github.com/apple/swift-numerics from cache (0.40s)
Computing version for https://github.com/apple/swift-numerics
Computed https://github.com/apple/swift-numerics at 0.1.0 (0.45s)
Creating working copy for https://github.com/apple/swift-numerics
Working copy of https://github.com/apple/swift-numerics resolved at 0.1.0
Creating working copy for https://github.com/dankogai/swift-interval.git
Working copy of https://github.com/dankogai/swift-interval.git resolved at master (62af07d)
warning: '.resolve-product-dependencies': dependency 'swift-interval' is not used by any target
Found 1 product dependencies
  - swift-numerics
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/dankogai/swift-interval.git
https://github.com/dankogai/swift-interval.git
{
  "dependencies" : [
    {
      "identity" : "swift-numerics",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.0.8",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-numerics"
    }
  ],
  "manifest_display_name" : "Interval",
  "name" : "Interval",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Interval",
      "targets" : [
        "Interval"
      ],
      "type" : {
        "library" : [
          "dynamic"
        ]
      }
    },
    {
      "name" : "IntervalRun",
      "targets" : [
        "IntervalRun"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "IntervalTests",
      "module_type" : "SwiftTarget",
      "name" : "IntervalTests",
      "path" : "Tests/IntervalTests",
      "sources" : [
        "IntervalTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "Interval"
      ],
      "type" : "test"
    },
    {
      "c99name" : "IntervalRun",
      "module_type" : "SwiftTarget",
      "name" : "IntervalRun",
      "path" : "Sources/IntervalRun",
      "product_memberships" : [
        "IntervalRun"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "Interval"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "Interval",
      "module_type" : "SwiftTarget",
      "name" : "Interval",
      "path" : "Sources/Interval",
      "product_dependencies" : [
        "Numerics"
      ],
      "product_memberships" : [
        "Interval",
        "IntervalRun"
      ],
      "sources" : [
        "Interval.swift",
        "IntervalMath.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.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...
[0/13] Write IntervalRun-entitlement.plist
[0/13] Write sources
[6/13] Compiling _NumericsShims _NumericsShims.c
[7/13] Write swift-version-2F0A5646E1D333AE.txt
[9/23] Compiling RealModule Real.swift
[10/23] Compiling RealModule Float80+Real.swift
[11/24] Compiling RealModule Float+Real.swift
[12/24] Compiling RealModule Double+Real.swift
[13/24] Compiling RealModule ElementaryFunctions.swift
[14/24] Compiling RealModule AugmentedArithmetic.swift
[15/24] Compiling RealModule AlgebraicField.swift
[16/24] Compiling RealModule ApproximateEquality.swift
[17/24] Emitting module RealModule
[18/24] Compiling RealModule Float16+Real.swift
[19/24] Compiling RealModule RealFunctions.swift
[20/29] Compiling ComplexModule Arithmetic.swift
[21/29] Compiling ComplexModule Differentiable.swift
[22/29] Emitting module ComplexModule
[23/29] Compiling ComplexModule Complex.swift
[24/29] Compiling ComplexModule ElementaryFunctions.swift
[25/31] Compiling Numerics Numerics.swift
[26/31] Emitting module Numerics
[27/34] Compiling Interval IntervalMath.swift
[28/34] Compiling Interval Interval.swift
[29/34] Emitting module Interval
[29/34] Write Objects.LinkFileList
[31/36] Emitting module IntervalRun
[32/36] Compiling IntervalRun main.swift
[32/36] Write Objects.LinkFileList
[33/36] Linking libInterval.dylib
[34/36] Linking IntervalRun
[35/36] Applying IntervalRun
Build complete! (3.14s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-numerics",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.0.8",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-numerics"
    }
  ],
  "manifest_display_name" : "Interval",
  "name" : "Interval",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Interval",
      "targets" : [
        "Interval"
      ],
      "type" : {
        "library" : [
          "dynamic"
        ]
      }
    },
    {
      "name" : "IntervalRun",
      "targets" : [
        "IntervalRun"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "IntervalTests",
      "module_type" : "SwiftTarget",
      "name" : "IntervalTests",
      "path" : "Tests/IntervalTests",
      "sources" : [
        "IntervalTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "Interval"
      ],
      "type" : "test"
    },
    {
      "c99name" : "IntervalRun",
      "module_type" : "SwiftTarget",
      "name" : "IntervalRun",
      "path" : "Sources/IntervalRun",
      "product_memberships" : [
        "IntervalRun"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "Interval"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "Interval",
      "module_type" : "SwiftTarget",
      "name" : "Interval",
      "path" : "Sources/Interval",
      "product_dependencies" : [
        "Numerics"
      ],
      "product_memberships" : [
        "Interval",
        "IntervalRun"
      ],
      "sources" : [
        "Interval.swift",
        "IntervalMath.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
Done.