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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 argtree, reference main (4052f1), with Swift 6.0 for macOS (SPM) on 2 Nov 2024 20:38:33 UTC.

Swift 6 data race errors: 7

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/dastrobu/argtree.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/dastrobu/argtree
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 4052f12 update README for 1.5.5
Cloned https://github.com/dastrobu/argtree.git
Revision (git rev-parse @):
4052f12f1d94c9f484ca7d2a32a837e2ae30c445
SUCCESS checkout https://github.com/dastrobu/argtree.git at main
Fetching https://github.com/apple/swift-log.git
[1/3660] Fetching swift-log
Fetched https://github.com/apple/swift-log.git from cache (1.05s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.4.4 (0.65s)
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.4.4
========================================
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": "argtree",
      "name": "argtree",
      "url": "https://github.com/dastrobu/argtree.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/argtree",
      "dependencies": [
        {
          "identity": "swift-log",
          "name": "swift-log",
          "url": "https://github.com/apple/swift-log.git",
          "version": "1.6.1",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-log",
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/dastrobu/argtree.git
[1/603] Fetching argtree
Fetched https://github.com/dastrobu/argtree.git from cache (0.86s)
Fetching https://github.com/apple/swift-log.git from cache
Fetched https://github.com/apple/swift-log.git from cache (0.53s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.6.1 (0.47s)
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.6.1
Creating working copy for https://github.com/dastrobu/argtree.git
Working copy of https://github.com/dastrobu/argtree.git resolved at main (4052f12)
warning: '.resolve-product-dependencies': dependency 'argtree' is not used by any target
Found 1 product dependencies
  - swift-log
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/dastrobu/argtree.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
[4/7] Compiling Logging LogHandler.swift
[5/7] Emitting module Logging
[6/7] Compiling Logging Locks.swift
[7/7] Compiling Logging Logging.swift
[8/16] Compiling argtree VarArgs.swift
[9/16] Compiling argtree Flag.swift
/Users/admin/builder/spi-builder-workspace/Sources/parsers/ValueParser.swift:28:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
26 |     public var stopToken: String?
27 |
28 |     public internal (set) var values: [T] = []
   |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
29 |
30 |     public let aliases: [String]
/Users/admin/builder/spi-builder-workspace/Sources/parsers/Flag.swift:2:10: warning: associated value 'flagAllowedOnlyOnce(flag:atIndex:)' of 'Sendable'-conforming enum 'FlagParseError' has non-sendable type 'Flag'; this is an error in the Swift 6 language mode
 1 | public enum FlagParseError: Error {
 2 |     case flagAllowedOnlyOnce(flag: Flag, atIndex: Int)
   |          `- warning: associated value 'flagAllowedOnlyOnce(flag:atIndex:)' of 'Sendable'-conforming enum 'FlagParseError' has non-sendable type 'Flag'; this is an error in the Swift 6 language mode
 3 |     case unexpectedFlag(flag: String, atIndex: Int)
 4 | }
   :
 7 |  * Flags such as e.g. -v or --verbose
 8 |  */
 9 | public class Flag: ValueParser<Bool> {
   |              `- note: class 'Flag' does not conform to the 'Sendable' protocol
10 |
11 |     /** flag to indicate if passing a flag more that once is an error */
[10/16] Compiling argtree MultiFlag.swift
/Users/admin/builder/spi-builder-workspace/Sources/parsers/ValueParser.swift:28:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
26 |     public var stopToken: String?
27 |
28 |     public internal (set) var values: [T] = []
   |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
29 |
30 |     public let aliases: [String]
[11/16] Compiling argtree ArgTree.swift
/Users/admin/builder/spi-builder-workspace/Sources/parsers/ValueParser.swift:28:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
26 |     public var stopToken: String?
27 |
28 |     public internal (set) var values: [T] = []
   |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
29 |
30 |     public let aliases: [String]
[12/16] Emitting module argtree
/Users/admin/builder/spi-builder-workspace/Sources/parsers/ValueParser.swift:28:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
26 |     public var stopToken: String?
27 |
28 |     public internal (set) var values: [T] = []
   |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
29 |
30 |     public let aliases: [String]
/Users/admin/builder/spi-builder-workspace/Sources/parsers/Command.swift:8:10: warning: associated value 'commandAllowedOnlyOnce(command:atIndex:)' of 'Sendable'-conforming enum 'CommandParseError' has non-sendable type 'Command'; this is an error in the Swift 6 language mode
  6 |
  7 | public enum CommandParseError: Error {
  8 |     case commandAllowedOnlyOnce(command: Command, atIndex: Int)
    |          `- warning: associated value 'commandAllowedOnlyOnce(command:atIndex:)' of 'Sendable'-conforming enum 'CommandParseError' has non-sendable type 'Command'; this is an error in the Swift 6 language mode
  9 | }
 10 |
    :
 12 |  * command parser for sub-commands in the command tree
 13 |  */
 14 | open class Command: ValueParser<Bool>, ParserNode {
    |            `- note: class 'Command' does not conform to the 'Sendable' protocol
 15 |
 16 |     fileprivate var parsers: [Parser] = []
/Users/admin/builder/spi-builder-workspace/Sources/parsers/Flag.swift:2:10: warning: associated value 'flagAllowedOnlyOnce(flag:atIndex:)' of 'Sendable'-conforming enum 'FlagParseError' has non-sendable type 'Flag'; this is an error in the Swift 6 language mode
 1 | public enum FlagParseError: Error {
 2 |     case flagAllowedOnlyOnce(flag: Flag, atIndex: Int)
   |          `- warning: associated value 'flagAllowedOnlyOnce(flag:atIndex:)' of 'Sendable'-conforming enum 'FlagParseError' has non-sendable type 'Flag'; this is an error in the Swift 6 language mode
 3 |     case unexpectedFlag(flag: String, atIndex: Int)
 4 | }
   :
 7 |  * Flags such as e.g. -v or --verbose
 8 |  */
 9 | public class Flag: ValueParser<Bool> {
   |              `- note: class 'Flag' does not conform to the 'Sendable' protocol
10 |
11 |     /** flag to indicate if passing a flag more that once is an error */
/Users/admin/builder/spi-builder-workspace/Sources/parsers/Option.swift:2:10: warning: associated value 'optionAllowedOnlyOnce(option:atIndex:)' of 'Sendable'-conforming generic enum 'OptionParseError' has non-sendable type 'OptionParser<T>'; this is an error in the Swift 6 language mode
  1 | public enum OptionParseError<T>: Error {
  2 |     case optionAllowedOnlyOnce(option: OptionParser<T>, atIndex: Int)
    |          `- warning: associated value 'optionAllowedOnlyOnce(option:atIndex:)' of 'Sendable'-conforming generic enum 'OptionParseError' has non-sendable type 'OptionParser<T>'; this is an error in the Swift 6 language mode
  3 |     case missingValueForOption(option: OptionParser<T>, atIndex: Int, key: String)
  4 |     case valueNotIntConvertible(option: OptionParser<T>, atIndex: Int, value: String)
    :
  7 | }
  8 |
  9 | open class OptionParser<T>: ValueParser<T> {
    |            `- note: generic class 'OptionParser' does not conform to the 'Sendable' protocol
 10 |     /** flag to indicate if passing an option more that once is an error */
 11 |     public var multiAllowed = false
/Users/admin/builder/spi-builder-workspace/Sources/parsers/Option.swift:3:10: warning: associated value 'missingValueForOption(option:atIndex:key:)' of 'Sendable'-conforming generic enum 'OptionParseError' has non-sendable type 'OptionParser<T>'; this is an error in the Swift 6 language mode
  1 | public enum OptionParseError<T>: Error {
  2 |     case optionAllowedOnlyOnce(option: OptionParser<T>, atIndex: Int)
  3 |     case missingValueForOption(option: OptionParser<T>, atIndex: Int, key: String)
    |          `- warning: associated value 'missingValueForOption(option:atIndex:key:)' of 'Sendable'-conforming generic enum 'OptionParseError' has non-sendable type 'OptionParser<T>'; this is an error in the Swift 6 language mode
  4 |     case valueNotIntConvertible(option: OptionParser<T>, atIndex: Int, value: String)
  5 |     case valueNotDoubleConvertible(option: OptionParser<T>, atIndex: Int, value: String)
    :
  7 | }
  8 |
  9 | open class OptionParser<T>: ValueParser<T> {
    |            `- note: generic class 'OptionParser' does not conform to the 'Sendable' protocol
 10 |     /** flag to indicate if passing an option more that once is an error */
 11 |     public var multiAllowed = false
/Users/admin/builder/spi-builder-workspace/Sources/parsers/Option.swift:4:10: warning: associated value 'valueNotIntConvertible(option:atIndex:value:)' of 'Sendable'-conforming generic enum 'OptionParseError' has non-sendable type 'OptionParser<T>'; this is an error in the Swift 6 language mode
  2 |     case optionAllowedOnlyOnce(option: OptionParser<T>, atIndex: Int)
  3 |     case missingValueForOption(option: OptionParser<T>, atIndex: Int, key: String)
  4 |     case valueNotIntConvertible(option: OptionParser<T>, atIndex: Int, value: String)
    |          `- warning: associated value 'valueNotIntConvertible(option:atIndex:value:)' of 'Sendable'-conforming generic enum 'OptionParseError' has non-sendable type 'OptionParser<T>'; this is an error in the Swift 6 language mode
  5 |     case valueNotDoubleConvertible(option: OptionParser<T>, atIndex: Int, value: String)
  6 |     case unexpectedOption(option: String, atIndex: Int)
  7 | }
  8 |
  9 | open class OptionParser<T>: ValueParser<T> {
    |            `- note: generic class 'OptionParser' does not conform to the 'Sendable' protocol
 10 |     /** flag to indicate if passing an option more that once is an error */
 11 |     public var multiAllowed = false
/Users/admin/builder/spi-builder-workspace/Sources/parsers/Option.swift:5:10: warning: associated value 'valueNotDoubleConvertible(option:atIndex:value:)' of 'Sendable'-conforming generic enum 'OptionParseError' has non-sendable type 'OptionParser<T>'; this is an error in the Swift 6 language mode
  3 |     case missingValueForOption(option: OptionParser<T>, atIndex: Int, key: String)
  4 |     case valueNotIntConvertible(option: OptionParser<T>, atIndex: Int, value: String)
  5 |     case valueNotDoubleConvertible(option: OptionParser<T>, atIndex: Int, value: String)
    |          `- warning: associated value 'valueNotDoubleConvertible(option:atIndex:value:)' of 'Sendable'-conforming generic enum 'OptionParseError' has non-sendable type 'OptionParser<T>'; this is an error in the Swift 6 language mode
  6 |     case unexpectedOption(option: String, atIndex: Int)
  7 | }
  8 |
  9 | open class OptionParser<T>: ValueParser<T> {
    |            `- note: generic class 'OptionParser' does not conform to the 'Sendable' protocol
 10 |     /** flag to indicate if passing an option more that once is an error */
 11 |     public var multiAllowed = false
[13/16] Compiling argtree Command.swift
/Users/admin/builder/spi-builder-workspace/Sources/parsers/ValueParser.swift:28:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
26 |     public var stopToken: String?
27 |
28 |     public internal (set) var values: [T] = []
   |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
29 |
30 |     public let aliases: [String]
/Users/admin/builder/spi-builder-workspace/Sources/parsers/Command.swift:8:10: warning: associated value 'commandAllowedOnlyOnce(command:atIndex:)' of 'Sendable'-conforming enum 'CommandParseError' has non-sendable type 'Command'; this is an error in the Swift 6 language mode
  6 |
  7 | public enum CommandParseError: Error {
  8 |     case commandAllowedOnlyOnce(command: Command, atIndex: Int)
    |          `- warning: associated value 'commandAllowedOnlyOnce(command:atIndex:)' of 'Sendable'-conforming enum 'CommandParseError' has non-sendable type 'Command'; this is an error in the Swift 6 language mode
  9 | }
 10 |
    :
 12 |  * command parser for sub-commands in the command tree
 13 |  */
 14 | open class Command: ValueParser<Bool>, ParserNode {
    |            `- note: class 'Command' does not conform to the 'Sendable' protocol
 15 |
 16 |     fileprivate var parsers: [Parser] = []
[14/16] Compiling argtree Option.swift
/Users/admin/builder/spi-builder-workspace/Sources/parsers/ValueParser.swift:28:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
26 |     public var stopToken: String?
27 |
28 |     public internal (set) var values: [T] = []
   |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
29 |
30 |     public let aliases: [String]
/Users/admin/builder/spi-builder-workspace/Sources/parsers/Option.swift:2:10: warning: associated value 'optionAllowedOnlyOnce(option:atIndex:)' of 'Sendable'-conforming generic enum 'OptionParseError' has non-sendable type 'OptionParser<T>'; this is an error in the Swift 6 language mode
  1 | public enum OptionParseError<T>: Error {
  2 |     case optionAllowedOnlyOnce(option: OptionParser<T>, atIndex: Int)
    |          `- warning: associated value 'optionAllowedOnlyOnce(option:atIndex:)' of 'Sendable'-conforming generic enum 'OptionParseError' has non-sendable type 'OptionParser<T>'; this is an error in the Swift 6 language mode
  3 |     case missingValueForOption(option: OptionParser<T>, atIndex: Int, key: String)
  4 |     case valueNotIntConvertible(option: OptionParser<T>, atIndex: Int, value: String)
    :
  7 | }
  8 |
  9 | open class OptionParser<T>: ValueParser<T> {
    |            `- note: generic class 'OptionParser' does not conform to the 'Sendable' protocol
 10 |     /** flag to indicate if passing an option more that once is an error */
 11 |     public var multiAllowed = false
/Users/admin/builder/spi-builder-workspace/Sources/parsers/Option.swift:3:10: warning: associated value 'missingValueForOption(option:atIndex:key:)' of 'Sendable'-conforming generic enum 'OptionParseError' has non-sendable type 'OptionParser<T>'; this is an error in the Swift 6 language mode
  1 | public enum OptionParseError<T>: Error {
  2 |     case optionAllowedOnlyOnce(option: OptionParser<T>, atIndex: Int)
  3 |     case missingValueForOption(option: OptionParser<T>, atIndex: Int, key: String)
    |          `- warning: associated value 'missingValueForOption(option:atIndex:key:)' of 'Sendable'-conforming generic enum 'OptionParseError' has non-sendable type 'OptionParser<T>'; this is an error in the Swift 6 language mode
  4 |     case valueNotIntConvertible(option: OptionParser<T>, atIndex: Int, value: String)
  5 |     case valueNotDoubleConvertible(option: OptionParser<T>, atIndex: Int, value: String)
    :
  7 | }
  8 |
  9 | open class OptionParser<T>: ValueParser<T> {
    |            `- note: generic class 'OptionParser' does not conform to the 'Sendable' protocol
 10 |     /** flag to indicate if passing an option more that once is an error */
 11 |     public var multiAllowed = false
/Users/admin/builder/spi-builder-workspace/Sources/parsers/Option.swift:4:10: warning: associated value 'valueNotIntConvertible(option:atIndex:value:)' of 'Sendable'-conforming generic enum 'OptionParseError' has non-sendable type 'OptionParser<T>'; this is an error in the Swift 6 language mode
  2 |     case optionAllowedOnlyOnce(option: OptionParser<T>, atIndex: Int)
  3 |     case missingValueForOption(option: OptionParser<T>, atIndex: Int, key: String)
  4 |     case valueNotIntConvertible(option: OptionParser<T>, atIndex: Int, value: String)
    |          `- warning: associated value 'valueNotIntConvertible(option:atIndex:value:)' of 'Sendable'-conforming generic enum 'OptionParseError' has non-sendable type 'OptionParser<T>'; this is an error in the Swift 6 language mode
  5 |     case valueNotDoubleConvertible(option: OptionParser<T>, atIndex: Int, value: String)
  6 |     case unexpectedOption(option: String, atIndex: Int)
  7 | }
  8 |
  9 | open class OptionParser<T>: ValueParser<T> {
    |            `- note: generic class 'OptionParser' does not conform to the 'Sendable' protocol
 10 |     /** flag to indicate if passing an option more that once is an error */
 11 |     public var multiAllowed = false
/Users/admin/builder/spi-builder-workspace/Sources/parsers/Option.swift:5:10: warning: associated value 'valueNotDoubleConvertible(option:atIndex:value:)' of 'Sendable'-conforming generic enum 'OptionParseError' has non-sendable type 'OptionParser<T>'; this is an error in the Swift 6 language mode
  3 |     case missingValueForOption(option: OptionParser<T>, atIndex: Int, key: String)
  4 |     case valueNotIntConvertible(option: OptionParser<T>, atIndex: Int, value: String)
  5 |     case valueNotDoubleConvertible(option: OptionParser<T>, atIndex: Int, value: String)
    |          `- warning: associated value 'valueNotDoubleConvertible(option:atIndex:value:)' of 'Sendable'-conforming generic enum 'OptionParseError' has non-sendable type 'OptionParser<T>'; this is an error in the Swift 6 language mode
  6 |     case unexpectedOption(option: String, atIndex: Int)
  7 | }
  8 |
  9 | open class OptionParser<T>: ValueParser<T> {
    |            `- note: generic class 'OptionParser' does not conform to the 'Sendable' protocol
 10 |     /** flag to indicate if passing an option more that once is an error */
 11 |     public var multiAllowed = false
[15/16] Compiling argtree Help.swift
/Users/admin/builder/spi-builder-workspace/Sources/parsers/ValueParser.swift:28:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
26 |     public var stopToken: String?
27 |
28 |     public internal (set) var values: [T] = []
   |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
29 |
30 |     public let aliases: [String]
[16/16] Compiling argtree ValueParser.swift
/Users/admin/builder/spi-builder-workspace/Sources/parsers/ValueParser.swift:28:12: warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
26 |     public var stopToken: String?
27 |
28 |     public internal (set) var values: [T] = []
   |            `- warning: extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode
29 |
30 |     public let aliases: [String]
Build complete! (4.95s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-log",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.4.4",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-log.git"
    }
  ],
  "manifest_display_name" : "argtree",
  "name" : "argtree",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "argtree",
      "targets" : [
        "argtree"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "argtreeTests",
      "module_type" : "SwiftTarget",
      "name" : "argtreeTests",
      "path" : "Tests/argtreeTests",
      "sources" : [
        "ArgTreeTests.swift",
        "XCTestManifests.swift",
        "assert.swift",
        "parsers/CommandTests.swift",
        "parsers/FlagTests.swift",
        "parsers/MultiFlagTests.swift",
        "parsers/OptionTests.swift",
        "parsers/VarArgsTests.swift"
      ],
      "target_dependencies" : [
        "argtree"
      ],
      "type" : "test"
    },
    {
      "c99name" : "argtree",
      "module_type" : "SwiftTarget",
      "name" : "argtree",
      "path" : "Sources",
      "product_dependencies" : [
        "Logging"
      ],
      "product_memberships" : [
        "argtree"
      ],
      "sources" : [
        "ArgTree.swift",
        "parsers/Command.swift",
        "parsers/Flag.swift",
        "parsers/Help.swift",
        "parsers/MultiFlag.swift",
        "parsers/Option.swift",
        "parsers/ValueParser.swift",
        "parsers/VarArgs.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
Done.