The Swift Package Index logo.Swift Package Index

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 Reader, reference master (b2db81), with Swift 6.0 for macOS (SPM) on 31 Oct 2024 02:40:39 UTC.

Swift 6 data race errors: 1

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/to4iki/Reader.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/to4iki/Reader
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at b2db817 Merge pull request #5 from to4iki/git-hooks
Cloned https://github.com/to4iki/Reader.git
Revision (git rev-parse @):
b2db81756abc51df29238089d785272598ec7d82
SUCCESS checkout https://github.com/to4iki/Reader.git at master
Fetching https://github.com/orta/PackageConfig.git
Fetching https://github.com/nicklockwood/SwiftFormat.git
Fetching https://github.com/llvm-swift/FileCheck.git
Fetching https://github.com/typelift/SwiftCheck.git
Fetching https://github.com/JohnSundell/ShellOut.git
Fetching https://github.com/orta/Komondor.git
[1/479] Fetching filecheck
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Fetched https://github.com/typelift/SwiftCheck.git from cache (41.94s)
Computing version for https://github.com/nicklockwood/SwiftFormat.git
Computed https://github.com/nicklockwood/SwiftFormat.git at 0.37.1 (2.57s)
Computing version for https://github.com/orta/Komondor.git
Computed https://github.com/orta/Komondor.git at 1.0.1 (0.66s)
Computing version for https://github.com/typelift/SwiftCheck.git
Computed https://github.com/typelift/SwiftCheck.git at 0.11.0 (0.65s)
Computing version for https://github.com/JohnSundell/ShellOut.git
Computed https://github.com/JohnSundell/ShellOut.git at 2.1.0 (0.66s)
Computing version for https://github.com/orta/PackageConfig.git
Computed https://github.com/orta/PackageConfig.git at 0.0.1 (0.64s)
Computing version for https://github.com/llvm-swift/FileCheck.git
Computed https://github.com/llvm-swift/FileCheck.git at 0.0.8 (0.64s)
Creating working copy for https://github.com/nicklockwood/SwiftFormat.git
Working copy of https://github.com/nicklockwood/SwiftFormat.git resolved at 0.37.1
Creating working copy for https://github.com/llvm-swift/FileCheck.git
Working copy of https://github.com/llvm-swift/FileCheck.git resolved at 0.0.8
Creating working copy for https://github.com/JohnSundell/ShellOut.git
Working copy of https://github.com/JohnSundell/ShellOut.git resolved at 2.1.0
Creating working copy for https://github.com/typelift/SwiftCheck.git
Working copy of https://github.com/typelift/SwiftCheck.git resolved at 0.11.0
Creating working copy for https://github.com/orta/Komondor.git
Working copy of https://github.com/orta/Komondor.git resolved at 1.0.1
Creating working copy for https://github.com/orta/PackageConfig.git
Working copy of https://github.com/orta/PackageConfig.git resolved at 0.0.1
========================================
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": [
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          "dependencies": [
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    }
  ]
}
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Creating working copy for https://github.com/to4iki/Reader.git
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warning: '.resolve-product-dependencies': dependency 'reader' is not used by any target
Found 3 product dependencies
  - SwiftCheck
  - Komondor
  - SwiftFormat
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/to4iki/Reader.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...
[0/2] Write sources
[1/2] Write swift-version--7754E27361AE5C74.txt
[3/4] Emitting module Reader
/Users/admin/builder/spi-builder-workspace/Sources/Reader/Reader.swift:60:28: warning: generic parameter 'Input' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 2 | /// - Input: for denpendency.
 3 | /// - Element: return a value type.
 4 | public struct Reader<Input, Element> {
   |                      `- note: 'Input' previously declared here
 5 |     public typealias WorkFactory = (Input) -> Element
 6 |
   :
58 |     ///   - reader2: The second reader
59 |     /// - Returns: A new combined reader
60 |     public static func zip<Input, Element1, Element2>(_ reader1: Reader<Input, Element1>, _ reader2: Reader<Input, Element2>) -> Reader<Input, (Element1, Element2)> {
   |                            `- warning: generic parameter 'Input' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
61 |         return reader1.flatMap { element1 in
62 |             reader2.map { element2 in (element1, element2) }
[4/4] Compiling Reader Reader.swift
/Users/admin/builder/spi-builder-workspace/Sources/Reader/Reader.swift:60:28: warning: generic parameter 'Input' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 2 | /// - Input: for denpendency.
 3 | /// - Element: return a value type.
 4 | public struct Reader<Input, Element> {
   |                      `- note: 'Input' previously declared here
 5 |     public typealias WorkFactory = (Input) -> Element
 6 |
   :
58 |     ///   - reader2: The second reader
59 |     /// - Returns: A new combined reader
60 |     public static func zip<Input, Element1, Element2>(_ reader1: Reader<Input, Element1>, _ reader2: Reader<Input, Element2>) -> Reader<Input, (Element1, Element2)> {
   |                            `- warning: generic parameter 'Input' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
61 |         return reader1.flatMap { element1 in
62 |             reader2.map { element2 in (element1, element2) }
Build complete! (4.12s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swiftcheck",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.11.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/typelift/SwiftCheck.git"
    },
    {
      "identity" : "komondor",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.1",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/orta/Komondor.git"
    },
    {
      "identity" : "swiftformat",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.37.1",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/nicklockwood/SwiftFormat.git"
    }
  ],
  "manifest_display_name" : "Reader",
  "name" : "Reader",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Reader",
      "targets" : [
        "Reader"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ReaderTests",
      "module_type" : "SwiftTarget",
      "name" : "ReaderTests",
      "path" : "Tests/ReaderTests",
      "product_dependencies" : [
        "SwiftCheck"
      ],
      "sources" : [
        "Reader+SwiftCheck.swift",
        "ReaderTests.swift"
      ],
      "target_dependencies" : [
        "Reader"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Reader",
      "module_type" : "SwiftTarget",
      "name" : "Reader",
      "path" : "Sources/Reader",
      "product_memberships" : [
        "Reader"
      ],
      "sources" : [
        "Reader.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.2"
}
Done.