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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 CSErrors, reference 1.2.9 (a29b22), with Swift 6.0 for macOS (SPM) on 6 Nov 2024 00:08:44 UTC.

Swift 6 data race errors: 0

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/CharlesJS/CSErrors.git
Reference: 1.2.9
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/CharlesJS/CSErrors
 * tag               1.2.9      -> FETCH_HEAD
HEAD is now at a29b22f Fix compile errors on compilers earlier than 6.0
Cloned https://github.com/CharlesJS/CSErrors.git
Revision (git rev-parse @):
a29b22f124d059030f6e65caacf3e02a67ca6dfb
SUCCESS checkout https://github.com/CharlesJS/CSErrors.git at 1.2.9
Fetching https://github.com/mattgallagher/CwlCatchException.git
Fetching https://github.com/mattgallagher/CwlPreconditionTesting.git
[1/455] Fetching cwlcatchexception
[456/1712] Fetching cwlcatchexception, cwlpreconditiontesting
Fetched https://github.com/mattgallagher/CwlCatchException.git from cache (1.23s)
Fetched https://github.com/mattgallagher/CwlPreconditionTesting.git from cache (1.24s)
Computing version for https://github.com/mattgallagher/CwlPreconditionTesting.git
Computed https://github.com/mattgallagher/CwlPreconditionTesting.git at 2.1.0 (3.23s)
Computing version for https://github.com/mattgallagher/CwlCatchException.git
Computed https://github.com/mattgallagher/CwlCatchException.git at 2.1.1 (0.65s)
Creating working copy for https://github.com/mattgallagher/CwlCatchException.git
Working copy of https://github.com/mattgallagher/CwlCatchException.git resolved at 2.1.1
Creating working copy for https://github.com/mattgallagher/CwlPreconditionTesting.git
Working copy of https://github.com/mattgallagher/CwlPreconditionTesting.git resolved at 2.1.0
========================================
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": "cserrors",
      "name": "CSErrors",
      "url": "https://github.com/CharlesJS/CSErrors.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/CSErrors",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/CharlesJS/CSErrors.git
[1/315] Fetching cserrors
Fetched https://github.com/CharlesJS/CSErrors.git from cache (0.80s)
Creating working copy for https://github.com/CharlesJS/CSErrors.git
Working copy of https://github.com/CharlesJS/CSErrors.git resolved at 1.2.9 (a29b22f)
warning: '.resolve-product-dependencies': dependency 'cserrors' 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/CharlesJS/CSErrors.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...
[0/3] Write sources
[2/3] Write swift-version--7754E27361AE5C74.txt
[4/12] Emitting module CSErrors
[5/12] Compiling CSErrors Error+CSErrors.swift
[6/12] Compiling CSErrors ErrorMetadata.swift
[7/12] Compiling CSErrors Stderr.swift
[8/12] Compiling CSErrors POSIX Errors.swift
[9/12] Compiling CSErrors Internal.swift
[10/12] Compiling CSErrors CSErrorProtocol.swift
[11/12] Compiling CSErrors HTTPError.swift
[12/12] Compiling CSErrors OSStatus Errors.swift
[13/21] Compiling CSErrors_Foundation NSError+CSErrors.swift
/Users/admin/builder/spi-builder-workspace/Sources/CSErrors.Foundation/NSError+CSErrors.swift:26:20: warning: 'retroactive' attribute does not apply; 'CSNSErrorProtocol' is declared in this module; this is an error in the Swift 6 language mode
24 |
25 | #if compiler(>=6)
26 | extension NSError: @retroactive CSNSErrorProtocol {}
   |                    `- warning: 'retroactive' attribute does not apply; 'CSNSErrorProtocol' is declared in this module; this is an error in the Swift 6 language mode
27 | #else
28 | extension NSError: CSNSErrorProtocol {}
[14/21] Compiling CSErrors_Foundation Recoverability.swift
[15/21] Compiling CSErrors_Foundation URLError+CSErrors.swift
/Users/admin/builder/spi-builder-workspace/Sources/CSErrors.Foundation/URLError+CSErrors.swift:83:21: warning: 'retroactive' attribute does not apply; 'CSErrorProtocol' is declared in this module; this is an error in the Swift 6 language mode
81 |
82 | #if compiler(>=6)
83 | extension URLError: @retroactive CSErrorProtocol {}
   |                     `- warning: 'retroactive' attribute does not apply; 'CSErrorProtocol' is declared in this module; this is an error in the Swift 6 language mode
84 | #else
85 | extension URLError: CSErrorProtocol {}
[16/21] Compiling CSErrors_Foundation HTTPError+Foundation.swift
/Users/admin/builder/spi-builder-workspace/Sources/CSErrors.Foundation/HTTPError+Foundation.swift:18:22: warning: 'retroactive' attribute does not apply; 'LocalizedError' is declared in this module; this is an error in the Swift 6 language mode
16 |
17 | #if compiler(>=6)
18 | extension HTTPError: @retroactive LocalizedError {}
   |                      `- warning: 'retroactive' attribute does not apply; 'LocalizedError' is declared in this module; this is an error in the Swift 6 language mode
19 | extension HTTPError: @retroactive _CSErrorsHTTPErrorInternal {}
20 | #else
/Users/admin/builder/spi-builder-workspace/Sources/CSErrors.Foundation/HTTPError+Foundation.swift:19:22: warning: 'retroactive' attribute does not apply; '_CSErrorsHTTPErrorInternal' is declared in this module; this is an error in the Swift 6 language mode
17 | #if compiler(>=6)
18 | extension HTTPError: @retroactive LocalizedError {}
19 | extension HTTPError: @retroactive _CSErrorsHTTPErrorInternal {}
   |                      `- warning: 'retroactive' attribute does not apply; '_CSErrorsHTTPErrorInternal' is declared in this module; this is an error in the Swift 6 language mode
20 | #else
21 | extension HTTPError: LocalizedError {}
[17/21] Compiling CSErrors_Foundation ErrorMetadata+Foundation.swift
[18/21] Emitting module CSErrors_Foundation
/Users/admin/builder/spi-builder-workspace/Sources/CSErrors.Foundation/CocoaError+CSErrors.swift:147:23: warning: 'retroactive' attribute does not apply; 'CSErrorProtocol' is declared in this module; this is an error in the Swift 6 language mode
145 |
146 | #if compiler(>=6)
147 | extension CocoaError: @retroactive CSErrorProtocol {}
    |                       `- warning: 'retroactive' attribute does not apply; 'CSErrorProtocol' is declared in this module; this is an error in the Swift 6 language mode
148 | #else
149 | extension CocoaError: CSErrorProtocol {}
/Users/admin/builder/spi-builder-workspace/Sources/CSErrors.Foundation/HTTPError+Foundation.swift:18:22: warning: 'retroactive' attribute does not apply; 'LocalizedError' is declared in this module; this is an error in the Swift 6 language mode
16 |
17 | #if compiler(>=6)
18 | extension HTTPError: @retroactive LocalizedError {}
   |                      `- warning: 'retroactive' attribute does not apply; 'LocalizedError' is declared in this module; this is an error in the Swift 6 language mode
19 | extension HTTPError: @retroactive _CSErrorsHTTPErrorInternal {}
20 | #else
/Users/admin/builder/spi-builder-workspace/Sources/CSErrors.Foundation/HTTPError+Foundation.swift:19:22: warning: 'retroactive' attribute does not apply; '_CSErrorsHTTPErrorInternal' is declared in this module; this is an error in the Swift 6 language mode
17 | #if compiler(>=6)
18 | extension HTTPError: @retroactive LocalizedError {}
19 | extension HTTPError: @retroactive _CSErrorsHTTPErrorInternal {}
   |                      `- warning: 'retroactive' attribute does not apply; '_CSErrorsHTTPErrorInternal' is declared in this module; this is an error in the Swift 6 language mode
20 | #else
21 | extension HTTPError: LocalizedError {}
/Users/admin/builder/spi-builder-workspace/Sources/CSErrors.Foundation/NSError+CSErrors.swift:26:20: warning: 'retroactive' attribute does not apply; 'CSNSErrorProtocol' is declared in this module; this is an error in the Swift 6 language mode
24 |
25 | #if compiler(>=6)
26 | extension NSError: @retroactive CSNSErrorProtocol {}
   |                    `- warning: 'retroactive' attribute does not apply; 'CSNSErrorProtocol' is declared in this module; this is an error in the Swift 6 language mode
27 | #else
28 | extension NSError: CSNSErrorProtocol {}
/Users/admin/builder/spi-builder-workspace/Sources/CSErrors.Foundation/OSStatus+Foundation.swift:155:26: warning: 'retroactive' attribute does not apply; '_CSErrorsOSStatusInternal' is declared in this module; this is an error in the Swift 6 language mode
153 |
154 | #if compiler(>=6)
155 | extension OSStatusError: @retroactive _CSErrorsOSStatusInternal {}
    |                          `- warning: 'retroactive' attribute does not apply; '_CSErrorsOSStatusInternal' is declared in this module; this is an error in the Swift 6 language mode
156 | extension OSStatusError: @retroactive CustomNSError {}
157 | #else
/Users/admin/builder/spi-builder-workspace/Sources/CSErrors.Foundation/OSStatus+Foundation.swift:156:26: warning: 'retroactive' attribute does not apply; 'CustomNSError' is declared in this module; this is an error in the Swift 6 language mode
154 | #if compiler(>=6)
155 | extension OSStatusError: @retroactive _CSErrorsOSStatusInternal {}
156 | extension OSStatusError: @retroactive CustomNSError {}
    |                          `- warning: 'retroactive' attribute does not apply; 'CustomNSError' is declared in this module; this is an error in the Swift 6 language mode
157 | #else
158 | extension OSStatusError: _CSErrorsOSStatusInternal {}
/Users/admin/builder/spi-builder-workspace/Sources/CSErrors.Foundation/POSIX Errors+Foundation.swift:125:27: warning: 'retroactive' attribute does not apply; '_CSErrorsPOSIXErrorInternal' is declared in this module; this is an error in the Swift 6 language mode
123 |
124 | #if compiler(>=6)
125 | extension POSIXConnector: @retroactive _CSErrorsPOSIXErrorInternal {}
    |                           `- warning: 'retroactive' attribute does not apply; '_CSErrorsPOSIXErrorInternal' is declared in this module; this is an error in the Swift 6 language mode
126 | #else
127 | extension POSIXConnector: _CSErrorsPOSIXErrorInternal {}
/Users/admin/builder/spi-builder-workspace/Sources/CSErrors.Foundation/URLError+CSErrors.swift:83:21: warning: 'retroactive' attribute does not apply; 'CSErrorProtocol' is declared in this module; this is an error in the Swift 6 language mode
81 |
82 | #if compiler(>=6)
83 | extension URLError: @retroactive CSErrorProtocol {}
   |                     `- warning: 'retroactive' attribute does not apply; 'CSErrorProtocol' is declared in this module; this is an error in the Swift 6 language mode
84 | #else
85 | extension URLError: CSErrorProtocol {}
[19/21] Compiling CSErrors_Foundation OSStatus+Foundation.swift
/Users/admin/builder/spi-builder-workspace/Sources/CSErrors.Foundation/OSStatus+Foundation.swift:155:26: warning: 'retroactive' attribute does not apply; '_CSErrorsOSStatusInternal' is declared in this module; this is an error in the Swift 6 language mode
153 |
154 | #if compiler(>=6)
155 | extension OSStatusError: @retroactive _CSErrorsOSStatusInternal {}
    |                          `- warning: 'retroactive' attribute does not apply; '_CSErrorsOSStatusInternal' is declared in this module; this is an error in the Swift 6 language mode
156 | extension OSStatusError: @retroactive CustomNSError {}
157 | #else
/Users/admin/builder/spi-builder-workspace/Sources/CSErrors.Foundation/OSStatus+Foundation.swift:156:26: warning: 'retroactive' attribute does not apply; 'CustomNSError' is declared in this module; this is an error in the Swift 6 language mode
154 | #if compiler(>=6)
155 | extension OSStatusError: @retroactive _CSErrorsOSStatusInternal {}
156 | extension OSStatusError: @retroactive CustomNSError {}
    |                          `- warning: 'retroactive' attribute does not apply; 'CustomNSError' is declared in this module; this is an error in the Swift 6 language mode
157 | #else
158 | extension OSStatusError: _CSErrorsOSStatusInternal {}
[20/21] Compiling CSErrors_Foundation CocoaError+CSErrors.swift
/Users/admin/builder/spi-builder-workspace/Sources/CSErrors.Foundation/CocoaError+CSErrors.swift:147:23: warning: 'retroactive' attribute does not apply; 'CSErrorProtocol' is declared in this module; this is an error in the Swift 6 language mode
145 |
146 | #if compiler(>=6)
147 | extension CocoaError: @retroactive CSErrorProtocol {}
    |                       `- warning: 'retroactive' attribute does not apply; 'CSErrorProtocol' is declared in this module; this is an error in the Swift 6 language mode
148 | #else
149 | extension CocoaError: CSErrorProtocol {}
[21/21] Compiling CSErrors_Foundation POSIX Errors+Foundation.swift
/Users/admin/builder/spi-builder-workspace/Sources/CSErrors.Foundation/POSIX Errors+Foundation.swift:125:27: warning: 'retroactive' attribute does not apply; '_CSErrorsPOSIXErrorInternal' is declared in this module; this is an error in the Swift 6 language mode
123 |
124 | #if compiler(>=6)
125 | extension POSIXConnector: @retroactive _CSErrorsPOSIXErrorInternal {}
    |                           `- warning: 'retroactive' attribute does not apply; '_CSErrorsPOSIXErrorInternal' is declared in this module; this is an error in the Swift 6 language mode
126 | #else
127 | extension POSIXConnector: _CSErrorsPOSIXErrorInternal {}
Build complete! (13.74s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "cwlpreconditiontesting",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/mattgallagher/CwlPreconditionTesting.git"
    }
  ],
  "manifest_display_name" : "CSErrors",
  "name" : "CSErrors",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    },
    {
      "name" : "maccatalyst",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "CSErrors",
      "targets" : [
        "CSErrors"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "CSErrors+Foundation",
      "targets" : [
        "CSErrors.Foundation"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CSErrorsTests",
      "module_type" : "SwiftTarget",
      "name" : "CSErrorsTests",
      "path" : "Tests/CSErrorsTests",
      "product_dependencies" : [
        "CwlPreconditionTesting"
      ],
      "sources" : [
        "HTTPErrorTests.swift",
        "OSStatusErrorTests.swift",
        "POSIXErrorTests.swift"
      ],
      "target_dependencies" : [
        "CSErrors"
      ],
      "type" : "test"
    },
    {
      "c99name" : "CSErrors_FoundationTests",
      "module_type" : "SwiftTarget",
      "name" : "CSErrors.FoundationTests",
      "path" : "Tests/CSErrors.FoundationTests",
      "product_dependencies" : [
        "CwlPreconditionTesting"
      ],
      "sources" : [
        "CocoaErrorTests.swift",
        "ErrnoCocoaMappingTests.swift",
        "ErrnoURLSupportTests.swift",
        "ErrorMetadataTests.swift",
        "HTTPErrorFoundationTests.swift",
        "NSErrorTests.swift",
        "OSStatusError+FoundationTests.swift",
        "RecoverabilityTests.swift",
        "StderrTests.swift",
        "URLErrorTests.swift"
      ],
      "target_dependencies" : [
        "CSErrors.Foundation"
      ],
      "type" : "test"
    },
    {
      "c99name" : "CSErrors_Foundation",
      "module_type" : "SwiftTarget",
      "name" : "CSErrors.Foundation",
      "path" : "Sources/CSErrors.Foundation",
      "product_memberships" : [
        "CSErrors+Foundation"
      ],
      "sources" : [
        "CocoaError+CSErrors.swift",
        "ErrorMetadata+Foundation.swift",
        "HTTPError+Foundation.swift",
        "NSError+CSErrors.swift",
        "OSStatus+Foundation.swift",
        "POSIX Errors+Foundation.swift",
        "Recoverability.swift",
        "URLError+CSErrors.swift"
      ],
      "target_dependencies" : [
        "CSErrors"
      ],
      "type" : "library"
    },
    {
      "c99name" : "CSErrors",
      "module_type" : "SwiftTarget",
      "name" : "CSErrors",
      "path" : "Sources/CSErrors",
      "product_memberships" : [
        "CSErrors",
        "CSErrors+Foundation"
      ],
      "sources" : [
        "CSErrorProtocol.swift",
        "Error+CSErrors.swift",
        "ErrorMetadata.swift",
        "HTTPError.swift",
        "Internal.swift",
        "OSStatus Errors.swift",
        "POSIX Errors.swift",
        "Stderr.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Done.