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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 main (2b458e), with Swift 6.0 for Linux on 10 Apr 2025 18:44:29 UTC.

Swift 6 data race errors: 0

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -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 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.60.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/apple/swift-numerics.git
Reference: main
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/apple/swift-numerics
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 2b458e8 Merge pull request #305 from stephentyrone/remove-stochastic-rounding
Cloned https://github.com/apple/swift-numerics.git
Revision (git rev-parse @):
2b458e8aeb9cf3f3a156f54ba427b9f101a4511a
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/apple/swift-numerics.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/apple/swift-numerics.git
https://github.com/apple/swift-numerics.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "swift-numerics",
  "name" : "swift-numerics",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "ComplexModule",
      "targets" : [
        "ComplexModule"
      ],
      "type" : {
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          "automatic"
        ]
      }
    },
    {
      "name" : "Numerics",
      "targets" : [
        "Numerics"
      ],
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        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "RealModule",
      "targets" : [
        "RealModule"
      ],
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          "automatic"
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  ],
  "targets" : [
    {
      "c99name" : "_TestSupport",
      "module_type" : "SwiftTarget",
      "name" : "_TestSupport",
      "path" : "Sources/_TestSupport",
      "sources" : [
        "BlackHole.swift",
        "DoubleWidth.swift",
        "Error.swift",
        "Interval.swift",
        "RealTestSupport.swift"
      ],
      "target_dependencies" : [
        "Numerics"
      ],
      "type" : "library"
    },
    {
      "c99name" : "_NumericsShims",
      "module_type" : "ClangTarget",
      "name" : "_NumericsShims",
      "path" : "Sources/_NumericsShims",
      "product_memberships" : [
        "ComplexModule",
        "Numerics",
        "RealModule"
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      "sources" : [
        "_NumericsShims.c"
      ],
      "type" : "library"
    },
    {
      "c99name" : "RealTests",
      "module_type" : "SwiftTarget",
      "name" : "RealTests",
      "path" : "Tests/RealTests",
      "sources" : [
        "ApproximateEqualityTests.swift",
        "AugmentedArithmeticTests.swift",
        "ElementaryFunctionChecks.swift",
        "IntegerExponentTests.swift",
        "RelaxedArithmeticTests.swift"
      ],
      "target_dependencies" : [
        "_TestSupport"
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      "type" : "test"
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    {
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      "path" : "Sources/RealModule",
      "product_memberships" : [
        "ComplexModule",
        "Numerics",
        "RealModule"
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      "sources" : [
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        "ApproximateEquality.swift",
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        "Double+Real.swift",
        "ElementaryFunctions.swift",
        "Float+Real.swift",
        "Float16+Real.swift",
        "Float80+Real.swift",
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        "RelaxedArithmetic.swift"
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      "sources" : [
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    {
      "c99name" : "IntegerUtilitiesTests",
      "module_type" : "SwiftTarget",
      "name" : "IntegerUtilitiesTests",
      "path" : "Tests/IntegerUtilitiesTests",
      "sources" : [
        "DivideTests.swift",
        "DoubleWidthTests.swift",
        "GCDTests.swift",
        "RotateTests.swift",
        "RoundingTests.swift",
        "SaturatingArithmeticTests.swift",
        "ShiftTests.swift"
      ],
      "target_dependencies" : [
        "IntegerUtilities",
        "_TestSupport"
      ],
      "type" : "test"
    },
    {
      "c99name" : "IntegerUtilities",
      "module_type" : "SwiftTarget",
      "name" : "IntegerUtilities",
      "path" : "Sources/IntegerUtilities",
      "product_memberships" : [
        "Numerics"
      ],
      "sources" : [
        "DivideWithRounding.swift",
        "GCD.swift",
        "Rotate.swift",
        "RoundingRule.swift",
        "SaturatingArithmetic.swift",
        "ShiftWithRounding.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "ComplexTests",
      "module_type" : "SwiftTarget",
      "name" : "ComplexTests",
      "path" : "Tests/ComplexTests",
      "sources" : [
        "ApproximateEqualityTests.swift",
        "ArithmeticTests.swift",
        "ElementaryFunctionTests.swift",
        "PropertyTests.swift"
      ],
      "target_dependencies" : [
        "_TestSupport"
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      "type" : "test"
    },
    {
      "c99name" : "ComplexModule",
      "module_type" : "SwiftTarget",
      "name" : "ComplexModule",
      "path" : "Sources/ComplexModule",
      "product_memberships" : [
        "ComplexModule",
        "Numerics"
      ],
      "sources" : [
        "Complex+AdditiveArithmetic.swift",
        "Complex+AlgebraicField.swift",
        "Complex+Codable.swift",
        "Complex+ElementaryFunctions.swift",
        "Complex+Hashable.swift",
        "Complex+IntegerLiteral.swift",
        "Complex+Numeric.swift",
        "Complex+StringConvertible.swift",
        "Complex.swift",
        "Polar.swift",
        "Scale.swift"
      ],
      "target_dependencies" : [
        "RealModule"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -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 2>&1
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:9029076bb687edc160a3d5201c89e92dd9fa7309f33f090c4234365c83366c31
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Building for debugging...
[0/7] Write sources
[5/7] Compiling _NumericsShims _NumericsShims.c
[6/7] Write swift-version-24593BA9C3E375BF.txt
[8/25] Compiling IntegerUtilities ShiftWithRounding.swift
[9/25] Compiling RealModule Real.swift
[10/26] Emitting module IntegerUtilities
[11/26] Compiling RealModule RealFunctions.swift
[12/26] Compiling IntegerUtilities SaturatingArithmetic.swift
[13/26] Compiling RealModule Float80+Real.swift
[14/26] Compiling RealModule RelaxedArithmetic.swift
[15/26] Compiling RealModule AlgebraicField.swift
[16/26] Compiling RealModule ApproximateEquality.swift
[17/26] Emitting module RealModule
[18/26] Compiling RealModule Float16+Real.swift
[19/26] Compiling IntegerUtilities DivideWithRounding.swift
[20/26] Compiling IntegerUtilities Rotate.swift
[21/26] Compiling IntegerUtilities GCD.swift
[22/26] Compiling IntegerUtilities RoundingRule.swift
[24/27] Compiling RealModule AugmentedArithmetic.swift
[25/27] Compiling RealModule Double+Real.swift
[26/27] Compiling RealModule ElementaryFunctions.swift
[27/27] Compiling RealModule Float+Real.swift
[29/39] Compiling ComplexModule Complex+StringConvertible.swift
[30/40] Compiling ComplexModule Polar.swift
[31/40] Compiling ComplexModule Complex.swift
[32/40] Compiling ComplexModule Scale.swift
[33/40] Compiling ComplexModule Complex+Numeric.swift
[34/40] Compiling ComplexModule Complex+AdditiveArithmetic.swift
[35/40] Compiling ComplexModule Complex+AlgebraicField.swift
[36/40] Compiling ComplexModule Complex+Hashable.swift
[37/40] Compiling ComplexModule Complex+IntegerLiteral.swift
[38/40] Compiling ComplexModule Complex+Codable.swift
[39/40] Compiling ComplexModule Complex+ElementaryFunctions.swift
[40/40] Emitting module ComplexModule
[42/43] Compiling Numerics Numerics.swift
[43/43] Emitting module Numerics
[45/50] Compiling _TestSupport Interval.swift
[46/50] Compiling _TestSupport RealTestSupport.swift
[47/50] Compiling _TestSupport Error.swift
[48/50] Emitting module _TestSupport
[49/50] Compiling _TestSupport BlackHole.swift
[50/50] Compiling _TestSupport DoubleWidth.swift
Build complete! (13.29s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "swift-numerics",
  "name" : "swift-numerics",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "ComplexModule",
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        "ComplexModule"
      ],
      "type" : {
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          "automatic"
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      }
    },
    {
      "name" : "Numerics",
      "targets" : [
        "Numerics"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "RealModule",
      "targets" : [
        "RealModule"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "_TestSupport",
      "module_type" : "SwiftTarget",
      "name" : "_TestSupport",
      "path" : "Sources/_TestSupport",
      "sources" : [
        "BlackHole.swift",
        "DoubleWidth.swift",
        "Error.swift",
        "Interval.swift",
        "RealTestSupport.swift"
      ],
      "target_dependencies" : [
        "Numerics"
      ],
      "type" : "library"
    },
    {
      "c99name" : "_NumericsShims",
      "module_type" : "ClangTarget",
      "name" : "_NumericsShims",
      "path" : "Sources/_NumericsShims",
      "product_memberships" : [
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      "sources" : [
        "_NumericsShims.c"
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        "Float16+Real.swift",
        "Float80+Real.swift",
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        "RelaxedArithmetic.swift"
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      "target_dependencies" : [
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      "type" : "library"
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    {
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        "Complex+AdditiveArithmetic.swift",
        "Complex+AlgebraicField.swift",
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        "Complex+ElementaryFunctions.swift",
        "Complex+Hashable.swift",
        "Complex+IntegerLiteral.swift",
        "Complex+Numeric.swift",
        "Complex+StringConvertible.swift",
        "Complex.swift",
        "Polar.swift",
        "Scale.swift"
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        "RealModule"
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basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:9029076bb687edc160a3d5201c89e92dd9fa7309f33f090c4234365c83366c31
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Done.