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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 CSV with Swift 6.0 for macOS (SPM).

Swift 6 data race errors: 2

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.40.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/skelpo/csv.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/skelpo/csv
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 3a4a903 Merge pull request #16 from skelpo/doc-update
Cloned https://github.com/skelpo/csv.git
Revision (git rev-parse @):
3a4a9034709f4df27a346fc3a70c4a3edac0561f
SUCCESS checkout https://github.com/skelpo/csv.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/skelpo/csv.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a 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-6F35C1178C84523A.txt
[3/16] Compiling CSV Parser.swift
/Users/admin/builder/spi-builder-workspace/Sources/CSV/Config.swift:17:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'Config' may have shared mutable state; this is an error in the Swift 6 language mode
 5 | /// to allow for separators other than comma or string delimiters
 6 | /// like quotation marks
 7 | public struct Config {
   |               `- note: consider making struct 'Config' conform to the 'Sendable' protocol
 8 |
 9 |     /// The character that separates one cell from another.
   :
15 |     /// The deault `Config` instance that uses commas for cell separators and double quotes
16 |     /// for cell delimiters.
17 |     public static let `default`: Config = Config(cellSeparator: 44, cellDelimiter: 34)
   |                       |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'Config' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'default' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
18 |
19 |     /// Creates a new `Config` instance
[4/17] Compiling CSV Seralizer.swift
/Users/admin/builder/spi-builder-workspace/Sources/CSV/Config.swift:17:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'Config' may have shared mutable state; this is an error in the Swift 6 language mode
 5 | /// to allow for separators other than comma or string delimiters
 6 | /// like quotation marks
 7 | public struct Config {
   |               `- note: consider making struct 'Config' conform to the 'Sendable' protocol
 8 |
 9 |     /// The character that separates one cell from another.
   :
15 |     /// The deault `Config` instance that uses commas for cell separators and double quotes
16 |     /// for cell delimiters.
17 |     public static let `default`: Config = Config(cellSeparator: 44, cellDelimiter: 34)
   |                       |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'Config' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'default' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
18 |
19 |     /// Creates a new `Config` instance
[5/17] Compiling CSV Config.swift
/Users/admin/builder/spi-builder-workspace/Sources/CSV/Config.swift:17:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'Config' may have shared mutable state; this is an error in the Swift 6 language mode
 5 | /// to allow for separators other than comma or string delimiters
 6 | /// like quotation marks
 7 | public struct Config {
   |               `- note: consider making struct 'Config' conform to the 'Sendable' protocol
 8 |
 9 |     /// The character that separates one cell from another.
   :
15 |     /// The deault `Config` instance that uses commas for cell separators and double quotes
16 |     /// for cell delimiters.
17 |     public static let `default`: Config = Config(cellSeparator: 44, cellDelimiter: 34)
   |                       |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'Config' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'default' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
18 |
19 |     /// Creates a new `Config` instance
[6/17] Compiling CSV Utilities.swift
[7/17] Compiling CSV AsyncUnkeyedEncoder.swift
[8/17] Emitting module CSV
/Users/admin/builder/spi-builder-workspace/Sources/CSV/Coder/CodingOptions.swift:9:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'CSVCodingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
  1 | /// The options used for encoding/decoding certin types in the `CSVEncoder` and `CSVDecoder`.
  2 | public final class CSVCodingOptions {
    |                    `- note: class 'CSVCodingOptions' does not conform to the 'Sendable' protocol
  3 |
  4 |     /// The default coding options.
    :
  7 |     /// the `NilCodingStrategy`. This means `Bool` will be represented the value's textual name
  8 |     /// and `nil` will be an empty cell.
  9 |     public static let `default` = CSVCodingOptions(boolCodingStrategy: .string, nilCodingStrategy: .blank)
    |                       |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'CSVCodingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'default' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 10 |
 11 |     /// The bool encoding/decoding strategy used for the encoder/decoder the option set is passed to.
/Users/admin/builder/spi-builder-workspace/Sources/CSV/Config.swift:17:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'Config' may have shared mutable state; this is an error in the Swift 6 language mode
 5 | /// to allow for separators other than comma or string delimiters
 6 | /// like quotation marks
 7 | public struct Config {
   |               `- note: consider making struct 'Config' conform to the 'Sendable' protocol
 8 |
 9 |     /// The character that separates one cell from another.
   :
15 |     /// The deault `Config` instance that uses commas for cell separators and double quotes
16 |     /// for cell delimiters.
17 |     public static let `default`: Config = Config(cellSeparator: 44, cellDelimiter: 34)
   |                       |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'Config' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'default' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
18 |
19 |     /// Creates a new `Config` instance
[9/17] Compiling CSV CSVCoder.swift
/Users/admin/builder/spi-builder-workspace/Sources/CSV/Coder/CodingOptions.swift:9:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'CSVCodingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
  1 | /// The options used for encoding/decoding certin types in the `CSVEncoder` and `CSVDecoder`.
  2 | public final class CSVCodingOptions {
    |                    `- note: class 'CSVCodingOptions' does not conform to the 'Sendable' protocol
  3 |
  4 |     /// The default coding options.
    :
  7 |     /// the `NilCodingStrategy`. This means `Bool` will be represented the value's textual name
  8 |     /// and `nil` will be an empty cell.
  9 |     public static let `default` = CSVCodingOptions(boolCodingStrategy: .string, nilCodingStrategy: .blank)
    |                       |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'CSVCodingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'default' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 10 |
 11 |     /// The bool encoding/decoding strategy used for the encoder/decoder the option set is passed to.
/Users/admin/builder/spi-builder-workspace/Sources/CSV/Config.swift:17:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'Config' may have shared mutable state; this is an error in the Swift 6 language mode
 5 | /// to allow for separators other than comma or string delimiters
 6 | /// like quotation marks
 7 | public struct Config {
   |               `- note: consider making struct 'Config' conform to the 'Sendable' protocol
 8 |
 9 |     /// The character that separates one cell from another.
   :
15 |     /// The deault `Config` instance that uses commas for cell separators and double quotes
16 |     /// for cell delimiters.
17 |     public static let `default`: Config = Config(cellSeparator: 44, cellDelimiter: 34)
   |                       |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'Config' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'default' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
18 |
19 |     /// Creates a new `Config` instance
[10/17] Compiling CSV CodingOptions.swift
/Users/admin/builder/spi-builder-workspace/Sources/CSV/Coder/CodingOptions.swift:9:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'CSVCodingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
  1 | /// The options used for encoding/decoding certin types in the `CSVEncoder` and `CSVDecoder`.
  2 | public final class CSVCodingOptions {
    |                    `- note: class 'CSVCodingOptions' does not conform to the 'Sendable' protocol
  3 |
  4 |     /// The default coding options.
    :
  7 |     /// the `NilCodingStrategy`. This means `Bool` will be represented the value's textual name
  8 |     /// and `nil` will be an empty cell.
  9 |     public static let `default` = CSVCodingOptions(boolCodingStrategy: .string, nilCodingStrategy: .blank)
    |                       |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'CSVCodingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'default' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 10 |
 11 |     /// The bool encoding/decoding strategy used for the encoder/decoder the option set is passed to.
/Users/admin/builder/spi-builder-workspace/Sources/CSV/Config.swift:17:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'Config' may have shared mutable state; this is an error in the Swift 6 language mode
 5 | /// to allow for separators other than comma or string delimiters
 6 | /// like quotation marks
 7 | public struct Config {
   |               `- note: consider making struct 'Config' conform to the 'Sendable' protocol
 8 |
 9 |     /// The character that separates one cell from another.
   :
15 |     /// The deault `Config` instance that uses commas for cell separators and double quotes
16 |     /// for cell delimiters.
17 |     public static let `default`: Config = Config(cellSeparator: 44, cellDelimiter: 34)
   |                       |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'Config' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'default' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
18 |
19 |     /// Creates a new `Config` instance
[11/17] Compiling CSV AsyncKeyedDecoder.swift
/Users/admin/builder/spi-builder-workspace/Sources/CSV/Config.swift:17:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'Config' may have shared mutable state; this is an error in the Swift 6 language mode
 5 | /// to allow for separators other than comma or string delimiters
 6 | /// like quotation marks
 7 | public struct Config {
   |               `- note: consider making struct 'Config' conform to the 'Sendable' protocol
 8 |
 9 |     /// The character that separates one cell from another.
   :
15 |     /// The deault `Config` instance that uses commas for cell separators and double quotes
16 |     /// for cell delimiters.
17 |     public static let `default`: Config = Config(cellSeparator: 44, cellDelimiter: 34)
   |                       |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'Config' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'default' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
18 |
19 |     /// Creates a new `Config` instance
[12/17] Compiling CSV AsyncSingleValueDecoder.swift
/Users/admin/builder/spi-builder-workspace/Sources/CSV/Config.swift:17:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'Config' may have shared mutable state; this is an error in the Swift 6 language mode
 5 | /// to allow for separators other than comma or string delimiters
 6 | /// like quotation marks
 7 | public struct Config {
   |               `- note: consider making struct 'Config' conform to the 'Sendable' protocol
 8 |
 9 |     /// The character that separates one cell from another.
   :
15 |     /// The deault `Config` instance that uses commas for cell separators and double quotes
16 |     /// for cell delimiters.
17 |     public static let `default`: Config = Config(cellSeparator: 44, cellDelimiter: 34)
   |                       |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'Config' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'default' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
18 |
19 |     /// Creates a new `Config` instance
[13/17] Compiling CSV AsyncEncoder.swift
/Users/admin/builder/spi-builder-workspace/Sources/CSV/Config.swift:17:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'Config' may have shared mutable state; this is an error in the Swift 6 language mode
 5 | /// to allow for separators other than comma or string delimiters
 6 | /// like quotation marks
 7 | public struct Config {
   |               `- note: consider making struct 'Config' conform to the 'Sendable' protocol
 8 |
 9 |     /// The character that separates one cell from another.
   :
15 |     /// The deault `Config` instance that uses commas for cell separators and double quotes
16 |     /// for cell delimiters.
17 |     public static let `default`: Config = Config(cellSeparator: 44, cellDelimiter: 34)
   |                       |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'Config' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'default' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
18 |
19 |     /// Creates a new `Config` instance
[14/17] Compiling CSV AsyncKeyedEncoder.swift
/Users/admin/builder/spi-builder-workspace/Sources/CSV/Config.swift:17:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'Config' may have shared mutable state; this is an error in the Swift 6 language mode
 5 | /// to allow for separators other than comma or string delimiters
 6 | /// like quotation marks
 7 | public struct Config {
   |               `- note: consider making struct 'Config' conform to the 'Sendable' protocol
 8 |
 9 |     /// The character that separates one cell from another.
   :
15 |     /// The deault `Config` instance that uses commas for cell separators and double quotes
16 |     /// for cell delimiters.
17 |     public static let `default`: Config = Config(cellSeparator: 44, cellDelimiter: 34)
   |                       |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'Config' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'default' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
18 |
19 |     /// Creates a new `Config` instance
[15/17] Compiling CSV AsyncSingleValueEncoder.swift
[16/17] Compiling CSV Data+Number.swift
/Users/admin/builder/spi-builder-workspace/Sources/CSV/Config.swift:17:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'Config' may have shared mutable state; this is an error in the Swift 6 language mode
 5 | /// to allow for separators other than comma or string delimiters
 6 | /// like quotation marks
 7 | public struct Config {
   |               `- note: consider making struct 'Config' conform to the 'Sendable' protocol
 8 |
 9 |     /// The character that separates one cell from another.
   :
15 |     /// The deault `Config` instance that uses commas for cell separators and double quotes
16 |     /// for cell delimiters.
17 |     public static let `default`: Config = Config(cellSeparator: 44, cellDelimiter: 34)
   |                       |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'Config' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'default' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
18 |
19 |     /// Creates a new `Config` instance
[17/17] Compiling CSV AsyncDecoder.swift
/Users/admin/builder/spi-builder-workspace/Sources/CSV/Config.swift:17:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'Config' may have shared mutable state; this is an error in the Swift 6 language mode
 5 | /// to allow for separators other than comma or string delimiters
 6 | /// like quotation marks
 7 | public struct Config {
   |               `- note: consider making struct 'Config' conform to the 'Sendable' protocol
 8 |
 9 |     /// The character that separates one cell from another.
   :
15 |     /// The deault `Config` instance that uses commas for cell separators and double quotes
16 |     /// for cell delimiters.
17 |     public static let `default`: Config = Config(cellSeparator: 44, cellDelimiter: 34)
   |                       |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'Config' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'default' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
18 |
19 |     /// Creates a new `Config` instance
Build complete! (20.38s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "CSV",
  "name" : "CSV",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "CSV",
      "targets" : [
        "CSV"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CSVTests",
      "module_type" : "SwiftTarget",
      "name" : "CSVTests",
      "path" : "Tests/CSVTests",
      "sources" : [
        "Data.swift",
        "DecoderTests.swift",
        "EncoderTests.swift",
        "ParserTests.swift",
        "SerializerTests.swift",
        "StressTests.swift",
        "UtilityTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "CSV"
      ],
      "type" : "test"
    },
    {
      "c99name" : "CSV",
      "module_type" : "SwiftTarget",
      "name" : "CSV",
      "path" : "Sources/CSV",
      "product_memberships" : [
        "CSV"
      ],
      "sources" : [
        "Coder/CSVCoder.swift",
        "Coder/CodingOptions.swift",
        "Coder/Data+Number.swift",
        "Coder/Decoder/AsyncDecoder.swift",
        "Coder/Decoder/AsyncKeyedDecoder.swift",
        "Coder/Decoder/AsyncSingleValueDecoder.swift",
        "Coder/Encoder/AsyncEncoder.swift",
        "Coder/Encoder/AsyncKeyedEncoder.swift",
        "Coder/Encoder/AsyncSingleValueEncoder.swift",
        "Coder/Encoder/AsyncUnkeyedEncoder.swift",
        "Config.swift",
        "Parser.swift",
        "Seralizer.swift",
        "Utilities.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.