SwiftCheck – Build Information – Swift Package Index

Has it really been five years since Swift Package Index launched? Read our anniversary blog post!

Build Information

Successful build of SwiftCheck, reference 0.13.1 (8ce569), with Swift 6.1 for macOS (SPM) on 19 Oct 2025 09:50:42 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

Build Log

========================================
RunAll
========================================
Builder version: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/toastersocks/SwiftCheck.git
Reference: 0.13.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/toastersocks/SwiftCheck
 * tag               0.13.1     -> FETCH_HEAD
HEAD is now at 8ce569a Fix compatibility with older Swift compiler versions
Submodule path 'Carthage/Checkouts/FileCheck': checked out 'bd9cb30ceee1f21c02f51a7168f58471449807d8'
Submodule 'Carthage/Checkouts/FileCheck' (https://github.com/trill-lang/FileCheck.git) registered for path 'Carthage/Checkouts/FileCheck'
Cloning into '/Users/admin/builder/spi-builder-workspace/Carthage/Checkouts/FileCheck'...
Cloned https://github.com/toastersocks/SwiftCheck.git
Revision (git rev-parse @):
8ce569ae88b7fef2f4e22bf99ec27a9412124ee3
SUCCESS checkout https://github.com/toastersocks/SwiftCheck.git at 0.13.1
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/toastersocks/SwiftCheck.git
https://github.com/toastersocks/SwiftCheck.git
{
  "dependencies" : [
    {
      "identity" : "filecheck",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.1.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/llvm-swift/FileCheck.git"
    }
  ],
  "manifest_display_name" : "SwiftCheck",
  "name" : "SwiftCheck",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "SwiftCheck",
      "targets" : [
        "SwiftCheck"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftCheckTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftCheckTests",
      "path" : "Tests/SwiftCheckTests",
      "product_dependencies" : [
        "FileCheck"
      ],
      "sources" : [
        "BooleanIdentitySpec.swift",
        "CartesianSpec.swift",
        "ComplexSpec.swift",
        "DiscardSpec.swift",
        "FailureSpec.swift",
        "FormatterSpec.swift",
        "GenSpec.swift",
        "LambdaSpec.swift",
        "ModifierSpec.swift",
        "PathSpec.swift",
        "PropertySpec.swift",
        "ReplaySpec.swift",
        "RoseSpec.swift",
        "ShrinkSpec.swift",
        "SimpleSpec.swift",
        "TestSpec.swift"
      ],
      "target_dependencies" : [
        "SwiftCheck"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftCheck",
      "module_type" : "SwiftTarget",
      "name" : "SwiftCheck",
      "path" : "Sources/SwiftCheck",
      "product_memberships" : [
        "SwiftCheck"
      ],
      "sources" : [
        "Arbitrary.swift",
        "Cartesian.swift",
        "Check.swift",
        "CoArbitrary.swift",
        "Compose.swift",
        "Gen.swift",
        "Lattice.swift",
        "Modifiers.swift",
        "Property.swift",
        "Random.swift",
        "Rose.swift",
        "State.swift",
        "Test.swift",
        "Testable.swift",
        "WitnessedArbitrary.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
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
[1/1] Compiling plugin GenerateManual
[2/2] Compiling plugin GenerateDoccReference
Building for debugging...
[2/4] Write sources
[3/4] Write swift-version-2F0A5646E1D333AE.txt
[5/19] Emitting module SwiftCheck
[6/20] Compiling SwiftCheck WitnessedArbitrary.swift
[7/20] Compiling SwiftCheck Lattice.swift
[8/20] Compiling SwiftCheck Modifiers.swift
[9/20] Compiling SwiftCheck Compose.swift
[10/20] Compiling SwiftCheck Gen.swift
[11/20] Compiling SwiftCheck Arbitrary.swift
[12/20] Compiling SwiftCheck Cartesian.swift
[13/20] Compiling SwiftCheck Test.swift
[14/20] Compiling SwiftCheck Testable.swift
[15/20] Compiling SwiftCheck State.swift
[16/20] Compiling SwiftCheck Check.swift
[17/20] Compiling SwiftCheck CoArbitrary.swift
[18/20] Compiling SwiftCheck Property.swift
[19/20] Compiling SwiftCheck Random.swift
[20/20] Compiling SwiftCheck Rose.swift
Build complete! (20.54s)
Fetching https://github.com/llvm-swift/FileCheck.git
[1/479] Fetching filecheck
Fetched https://github.com/llvm-swift/FileCheck.git from cache (0.71s)
Computing version for https://github.com/llvm-swift/FileCheck.git
Computed https://github.com/llvm-swift/FileCheck.git at 0.2.6 (3.88s)
Fetching https://github.com/mxcl/Chalk.git
Fetching https://github.com/apple/swift-argument-parser from cache
[1/81] Fetching chalk
Fetched https://github.com/mxcl/Chalk.git from cache (0.92s)
Fetched https://github.com/apple/swift-argument-parser from cache (1.19s)
Computing version for https://github.com/mxcl/Chalk.git
Computed https://github.com/mxcl/Chalk.git at 0.5.0 (1.80s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.6.2 (0.52s)
Creating working copy for https://github.com/mxcl/Chalk.git
Working copy of https://github.com/mxcl/Chalk.git resolved at 0.5.0
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.6.2
Creating working copy for https://github.com/llvm-swift/FileCheck.git
Working copy of https://github.com/llvm-swift/FileCheck.git resolved at 0.2.6
Build complete.
{
  "dependencies" : [
    {
      "identity" : "filecheck",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.1.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/llvm-swift/FileCheck.git"
    }
  ],
  "manifest_display_name" : "SwiftCheck",
  "name" : "SwiftCheck",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "SwiftCheck",
      "targets" : [
        "SwiftCheck"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftCheckTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftCheckTests",
      "path" : "Tests/SwiftCheckTests",
      "product_dependencies" : [
        "FileCheck"
      ],
      "sources" : [
        "BooleanIdentitySpec.swift",
        "CartesianSpec.swift",
        "ComplexSpec.swift",
        "DiscardSpec.swift",
        "FailureSpec.swift",
        "FormatterSpec.swift",
        "GenSpec.swift",
        "LambdaSpec.swift",
        "ModifierSpec.swift",
        "PathSpec.swift",
        "PropertySpec.swift",
        "ReplaySpec.swift",
        "RoseSpec.swift",
        "ShrinkSpec.swift",
        "SimpleSpec.swift",
        "TestSpec.swift"
      ],
      "target_dependencies" : [
        "SwiftCheck"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftCheck",
      "module_type" : "SwiftTarget",
      "name" : "SwiftCheck",
      "path" : "Sources/SwiftCheck",
      "product_memberships" : [
        "SwiftCheck"
      ],
      "sources" : [
        "Arbitrary.swift",
        "Cartesian.swift",
        "Check.swift",
        "CoArbitrary.swift",
        "Compose.swift",
        "Gen.swift",
        "Lattice.swift",
        "Modifiers.swift",
        "Property.swift",
        "Random.swift",
        "Rose.swift",
        "State.swift",
        "Test.swift",
        "Testable.swift",
        "WitnessedArbitrary.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Done.