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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 Arena with Swift 6.0 for macOS (SPM).

Swift 6 data race errors: 7

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/finestructure/Arena.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/finestructure/Arena
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 6ce0ff3 Merge pull request #99 from finestructure/support-visionOS
Cloned https://github.com/finestructure/Arena.git
Revision (git rev-parse @):
6ce0ff3f992d81563d864b639f94b43f021aefe0
SUCCESS checkout https://github.com/finestructure/Arena.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/finestructure/Arena.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...
[0/16] Write sources
[4/16] Write arena-entitlement.plist
[8/16] Write sources
[9/16] Copying Documentation.docc
[10/16] Write swift-version-6F35C1178C84523A.txt
[12/39] Compiling ArgumentParserToolInfo ToolInfo.swift
[13/39] Emitting module ArgumentParserToolInfo
[14/74] Compiling ArgumentParser Argument.swift
[15/74] Compiling ArgumentParser ArgumentHelp.swift
[16/74] Compiling ArgumentParser CompletionKind.swift
[17/74] Compiling ArgumentParser Errors.swift
[18/77] Compiling ArgumentParser BashCompletionsGenerator.swift
[19/77] Compiling ArgumentParser CompletionsGenerator.swift
[20/77] Compiling ArgumentParser FishCompletionsGenerator.swift
[21/77] Compiling ArgumentParser ZshCompletionsGenerator.swift
[22/77] Compiling ArgumentParser CommandConfiguration.swift
[23/77] Compiling ArgumentParser EnumerableFlag.swift
[24/77] Compiling ArgumentParser ExpressibleByArgument.swift
[25/77] Compiling ArgumentParser ParsableArguments.swift
[26/77] Compiling ArgumentParser Flag.swift
[27/77] Compiling ArgumentParser NameSpecification.swift
[28/77] Compiling ArgumentParser Option.swift
[29/77] Compiling ArgumentParser OptionGroup.swift
[30/77] Compiling ArgumentParser Parsed.swift
[31/77] Compiling ArgumentParser ParsedValues.swift
[32/77] Compiling ArgumentParser ParserError.swift
[33/77] Compiling ArgumentParser SplitArguments.swift
[34/77] Compiling ArgumentParser ArgumentSet.swift
[35/77] Compiling ArgumentParser CommandParser.swift
[36/77] Compiling ArgumentParser InputOrigin.swift
[37/77] Compiling ArgumentParser Name.swift
[38/77] Emitting module ArgumentParser
[39/77] Compiling ArgumentParser SequenceExtensions.swift
[40/77] Compiling ArgumentParser StringExtensions.swift
[41/77] Compiling ArgumentParser Tree.swift
[42/77] Compiling ArgumentParser ParsableArgumentsValidation.swift
[43/77] Compiling ArgumentParser ParsableCommand.swift
[44/77] Compiling ArgumentParser ArgumentDecoder.swift
[45/77] Compiling ArgumentParser ArgumentDefinition.swift
[46/77] Emitting module Path
[47/77] Compiling Path Extensions.swift
[48/78] Compiling SemanticVersion resource_bundle_accessor.swift
[49/78] Emitting module ShellOut
[50/78] Compiling ShellOut ShellOut.swift
[51/78] Compiling ArgumentParser DumpHelpGenerator.swift
[52/78] Compiling ArgumentParser HelpCommand.swift
[53/78] Compiling ArgumentParser HelpGenerator.swift
[54/78] Compiling Path Path+Codable.swift
[55/78] Compiling Parser Parser+zip.swift
[56/78] Compiling Parser Match.swift
[57/78] Emitting module Parser
[58/78] Compiling Parser CharacterSet+ext.swift
[59/78] Compiling Parser Parser.swift
[60/78] Compiling Path Path->Bool.swift
[61/78] Compiling Path Path+ls.swift
[62/78] Compiling Path Path+CommonDirectories.swift
[63/78] Compiling Path Path+FileManager.swift
[64/78] Compiling Path Path+StringConvertibles.swift
[65/78] Compiling Path Path+Attributes.swift
[66/78] Compiling Path Path.swift
[67/78] Emitting module SemanticVersion
[68/78] Compiling SemanticVersion NSRegularExpression+ext.swift
[69/78] Compiling SemanticVersion SemanticVersion.swift
[70/78] Compiling ArgumentParser MessageInfo.swift
[71/78] Compiling ArgumentParser UsageGenerator.swift
[72/78] Compiling ArgumentParser CollectionExtensions.swift
[73/78] Compiling Path Pathish.swift
[74/97] Compiling ArenaCore Requirement.swift
[75/97] Compiling ArenaCore Scheme.swift
[76/99] Compiling ArenaCore Progress.swift
[77/99] Compiling ArenaCore RefSpec.swift
[78/99] Compiling ArenaCore PlatformVersion.swift
[79/99] Compiling ArenaCore PlaygroundBook.swift
[80/99] Compiling ArenaCore Parser+ext.swift
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Parser+ext.swift:110:5: warning: let 'branchName' is not concurrency-safe because non-'Sendable' type 'Parser<Substring>' may have shared mutable state; this is an error in the Swift 6 language mode
108 |
109 |
110 | let branchName = zip(
    |     `- warning: let 'branchName' is not concurrency-safe because non-'Sendable' type 'Parser<Substring>' may have shared mutable state; this is an error in the Swift 6 language mode
111 |     .char(in: AllowedStartBranchCharacters),
112 |     .prefix(charactersIn: AllowedBranchCharacters)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/Parser/Sources/Parser/Parser.swift:15:15: note: generic struct 'Parser' does not conform to the 'Sendable' protocol
 13 |
 14 |
 15 | public struct Parser<A> {
    |               `- note: generic struct 'Parser' does not conform to the 'Sendable' protocol
 16 |     public let run: (inout Substring) -> A?
 17 |
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Parser+ext.swift:9:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Parser'
  7 |
  8 | import Foundation
  9 | import Parser
    | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Parser'
 10 | import Path
 11 | import SemanticVersion
    :
108 |
109 |
110 | let branchName = zip(
    |     |- note: annotate 'branchName' 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
111 |     .char(in: AllowedStartBranchCharacters),
112 |     .prefix(charactersIn: AllowedBranchCharacters)
[81/99] Compiling ArenaCore Platform.swift
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Parser+ext.swift:110:5: warning: let 'branchName' is not concurrency-safe because non-'Sendable' type 'Parser<Substring>' may have shared mutable state; this is an error in the Swift 6 language mode
108 |
109 |
110 | let branchName = zip(
    |     `- warning: let 'branchName' is not concurrency-safe because non-'Sendable' type 'Parser<Substring>' may have shared mutable state; this is an error in the Swift 6 language mode
111 |     .char(in: AllowedStartBranchCharacters),
112 |     .prefix(charactersIn: AllowedBranchCharacters)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/Parser/Sources/Parser/Parser.swift:15:15: note: generic struct 'Parser' does not conform to the 'Sendable' protocol
 13 |
 14 |
 15 | public struct Parser<A> {
    |               `- note: generic struct 'Parser' does not conform to the 'Sendable' protocol
 16 |     public let run: (inout Substring) -> A?
 17 |
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Parser+ext.swift:9:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Parser'
  7 |
  8 | import Foundation
  9 | import Parser
    | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Parser'
 10 | import Path
 11 | import SemanticVersion
    :
108 |
109 |
110 | let branchName = zip(
    |     |- note: annotate 'branchName' 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
111 |     .char(in: AllowedStartBranchCharacters),
112 |     .prefix(charactersIn: AllowedBranchCharacters)
[82/99] Compiling ArenaCore String+ext.swift
[83/99] Compiling ArenaCore Version.swift
[84/99] Compiling ArenaCore Extensions.swift
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Extensions.swift:28:1: warning: extension declares a conformance of imported type 'Optional' to imported protocol 'CustomStringConvertible'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
26 |
27 |
28 | extension Optional: CustomStringConvertible where Wrapped == String {
   | |- warning: extension declares a conformance of imported type 'Optional' to imported protocol 'CustomStringConvertible'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
29 |     public var description: String {
30 |         switch self {
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Extensions.swift:39:1: warning: extension declares a conformance of imported type 'Path' to imported protocol 'ExpressibleByArgument'; this will not behave correctly if the owners of 'Path' introduce this conformance in the future
37 |
38 |
39 | extension Path: ExpressibleByArgument {
   | |- warning: extension declares a conformance of imported type 'Path' to imported protocol 'ExpressibleByArgument'; this will not behave correctly if the owners of 'Path' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
40 |     public init?(argument: String) {
41 |         self = Path(argument) ?? Path.cwd/argument
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/FileManager.swift:17:16: warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'FileManager' may have shared mutable state; this is an error in the Swift 6 language mode
 9 |
10 |
11 | struct FileManager {
   |        `- note: consider making struct 'FileManager' conform to the 'Sendable' protocol
12 |     var fileExists: (Path) -> Bool
13 | }
   :
15 |
16 | extension FileManager {
17 |     static let live = Self(
   |                |- warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'FileManager' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'live' 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 |         fileExists: { $0.exists }
19 |     )
[85/99] Compiling ArenaCore FileManager.swift
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Extensions.swift:28:1: warning: extension declares a conformance of imported type 'Optional' to imported protocol 'CustomStringConvertible'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
26 |
27 |
28 | extension Optional: CustomStringConvertible where Wrapped == String {
   | |- warning: extension declares a conformance of imported type 'Optional' to imported protocol 'CustomStringConvertible'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
29 |     public var description: String {
30 |         switch self {
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Extensions.swift:39:1: warning: extension declares a conformance of imported type 'Path' to imported protocol 'ExpressibleByArgument'; this will not behave correctly if the owners of 'Path' introduce this conformance in the future
37 |
38 |
39 | extension Path: ExpressibleByArgument {
   | |- warning: extension declares a conformance of imported type 'Path' to imported protocol 'ExpressibleByArgument'; this will not behave correctly if the owners of 'Path' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
40 |     public init?(argument: String) {
41 |         self = Path(argument) ?? Path.cwd/argument
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/FileManager.swift:17:16: warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'FileManager' may have shared mutable state; this is an error in the Swift 6 language mode
 9 |
10 |
11 | struct FileManager {
   |        `- note: consider making struct 'FileManager' conform to the 'Sendable' protocol
12 |     var fileExists: (Path) -> Bool
13 | }
   :
15 |
16 | extension FileManager {
17 |     static let live = Self(
   |                |- warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'FileManager' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'live' 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 |         fileExists: { $0.exists }
19 |     )
[86/99] Compiling ArenaCore Github.swift
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Github.swift:25:16: warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'GithubClient' may have shared mutable state; this is an error in the Swift 6 language mode
 15 |
 16 |
 17 | struct GithubClient {
    |        `- note: consider making struct 'GithubClient' conform to the 'Sendable' protocol
 18 |     var latestRelease: (GithubRepository) -> Release?
 19 |     var tags: (GithubRepository) -> [Tag]
    :
 23 |
 24 | extension GithubClient {
 25 |     static let live = Self(
    |                |- warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'GithubClient' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: annotate 'live' 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
 26 |         latestRelease: latestReleaseRequest,
 27 |         tags: tagsRequest,
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Github.swift:93:9: warning: mutation of captured var 'result' in concurrently-executing code; this is an error in the Swift 6 language mode
 91 |     let task = URLSession.shared.dataTask(with: url) { (data, response, error) in
 92 |         guard let data = data else { return }
 93 |         result = try? JSONDecoder().decode(Release.self, from: data)
    |         `- warning: mutation of captured var 'result' in concurrently-executing code; this is an error in the Swift 6 language mode
 94 |         sema.signal()
 95 |     }
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Github.swift:109:9: warning: mutation of captured var 'result' in concurrently-executing code; this is an error in the Swift 6 language mode
107 |     let task = URLSession.shared.dataTask(with: url) { (data, response, error) in
108 |         guard let data = data else { return }
109 |         result = (try? JSONDecoder().decode([Tag].self, from: data)) ?? []
    |         `- warning: mutation of captured var 'result' in concurrently-executing code; this is an error in the Swift 6 language mode
110 |         sema.signal()
111 |     }
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Environment.swift:23:5: warning: var 'Current' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
21 |
22 | #if DEBUG
23 | var Current = Environment.live
   |     |- warning: var 'Current' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |     |- note: convert 'Current' to a 'let' constant to make 'Sendable' shared state immutable
   |     |- note: annotate 'Current' 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
24 | #else
25 | let Current = Environment.live
[87/99] Compiling ArenaCore Helpers.swift
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Github.swift:25:16: warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'GithubClient' may have shared mutable state; this is an error in the Swift 6 language mode
 15 |
 16 |
 17 | struct GithubClient {
    |        `- note: consider making struct 'GithubClient' conform to the 'Sendable' protocol
 18 |     var latestRelease: (GithubRepository) -> Release?
 19 |     var tags: (GithubRepository) -> [Tag]
    :
 23 |
 24 | extension GithubClient {
 25 |     static let live = Self(
    |                |- warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'GithubClient' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: annotate 'live' 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
 26 |         latestRelease: latestReleaseRequest,
 27 |         tags: tagsRequest,
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Github.swift:93:9: warning: mutation of captured var 'result' in concurrently-executing code; this is an error in the Swift 6 language mode
 91 |     let task = URLSession.shared.dataTask(with: url) { (data, response, error) in
 92 |         guard let data = data else { return }
 93 |         result = try? JSONDecoder().decode(Release.self, from: data)
    |         `- warning: mutation of captured var 'result' in concurrently-executing code; this is an error in the Swift 6 language mode
 94 |         sema.signal()
 95 |     }
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Github.swift:109:9: warning: mutation of captured var 'result' in concurrently-executing code; this is an error in the Swift 6 language mode
107 |     let task = URLSession.shared.dataTask(with: url) { (data, response, error) in
108 |         guard let data = data else { return }
109 |         result = (try? JSONDecoder().decode([Tag].self, from: data)) ?? []
    |         `- warning: mutation of captured var 'result' in concurrently-executing code; this is an error in the Swift 6 language mode
110 |         sema.signal()
111 |     }
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Environment.swift:23:5: warning: var 'Current' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
21 |
22 | #if DEBUG
23 | var Current = Environment.live
   |     |- warning: var 'Current' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |     |- note: convert 'Current' to a 'let' constant to make 'Sendable' shared state immutable
   |     |- note: annotate 'Current' 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
24 | #else
25 | let Current = Environment.live
[88/99] Compiling ArenaCore Manifest.swift
[89/99] Compiling ArenaCore PackageGenerator.swift
[90/99] Compiling ArenaCore Dependency.swift
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Dependency.swift:19:16: warning: static property 'defaultRequirement' is not concurrency-safe because non-'Sendable' type 'Requirement' may have shared mutable state; this is an error in the Swift 6 language mode
 17 |     public var requirement: Requirement
 18 |
 19 |     static let defaultRequirement: Requirement = .from(.init(0, 0, 0))
    |                |- warning: static property 'defaultRequirement' is not concurrency-safe because non-'Sendable' type 'Requirement' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: annotate 'defaultRequirement' 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
 20 |
 21 |     public init(url: URL, requirement: Requirement) {
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Requirement.swift:11:13: note: consider making enum 'Requirement' conform to the 'Sendable' protocol
  9 |
 10 |
 11 | public enum Requirement: Equatable, Hashable {
    |             `- note: consider making enum 'Requirement' conform to the 'Sendable' protocol
 12 |     case exact(SemanticVersion)
 13 |     case range(Range<SemanticVersion>)
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Environment.swift:23:5: warning: var 'Current' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
21 |
22 | #if DEBUG
23 | var Current = Environment.live
   |     |- warning: var 'Current' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |     |- note: convert 'Current' to a 'let' constant to make 'Sendable' shared state immutable
   |     |- note: annotate 'Current' 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
24 | #else
25 | let Current = Environment.live
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Environment.swift:15:16: warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'Environment' may have shared mutable state; this is an error in the Swift 6 language mode
 6 | //
 7 |
 8 | struct Environment {
   |        `- note: consider making struct 'Environment' conform to the 'Sendable' protocol
 9 |     var fileManager: FileManager
10 |     var githubClient: GithubClient
   :
13 |
14 | extension Environment {
15 |     static let live = Self(
   |                |- warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'Environment' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'live' 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
16 |         fileManager: .live,
17 |         githubClient: .live
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/FileManager.swift:17:16: warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'FileManager' may have shared mutable state; this is an error in the Swift 6 language mode
 9 |
10 |
11 | struct FileManager {
   |        `- note: consider making struct 'FileManager' conform to the 'Sendable' protocol
12 |     var fileExists: (Path) -> Bool
13 | }
   :
15 |
16 | extension FileManager {
17 |     static let live = Self(
   |                |- warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'FileManager' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'live' 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 |         fileExists: { $0.exists }
19 |     )
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Github.swift:25:16: warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'GithubClient' may have shared mutable state; this is an error in the Swift 6 language mode
 15 |
 16 |
 17 | struct GithubClient {
    |        `- note: consider making struct 'GithubClient' conform to the 'Sendable' protocol
 18 |     var latestRelease: (GithubRepository) -> Release?
 19 |     var tags: (GithubRepository) -> [Tag]
    :
 23 |
 24 | extension GithubClient {
 25 |     static let live = Self(
    |                |- warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'GithubClient' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: annotate 'live' 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
 26 |         latestRelease: latestReleaseRequest,
 27 |         tags: tagsRequest,
[91/99] Compiling ArenaCore Environment.swift
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Dependency.swift:19:16: warning: static property 'defaultRequirement' is not concurrency-safe because non-'Sendable' type 'Requirement' may have shared mutable state; this is an error in the Swift 6 language mode
 17 |     public var requirement: Requirement
 18 |
 19 |     static let defaultRequirement: Requirement = .from(.init(0, 0, 0))
    |                |- warning: static property 'defaultRequirement' is not concurrency-safe because non-'Sendable' type 'Requirement' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: annotate 'defaultRequirement' 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
 20 |
 21 |     public init(url: URL, requirement: Requirement) {
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Requirement.swift:11:13: note: consider making enum 'Requirement' conform to the 'Sendable' protocol
  9 |
 10 |
 11 | public enum Requirement: Equatable, Hashable {
    |             `- note: consider making enum 'Requirement' conform to the 'Sendable' protocol
 12 |     case exact(SemanticVersion)
 13 |     case range(Range<SemanticVersion>)
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Environment.swift:23:5: warning: var 'Current' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
21 |
22 | #if DEBUG
23 | var Current = Environment.live
   |     |- warning: var 'Current' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |     |- note: convert 'Current' to a 'let' constant to make 'Sendable' shared state immutable
   |     |- note: annotate 'Current' 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
24 | #else
25 | let Current = Environment.live
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Environment.swift:15:16: warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'Environment' may have shared mutable state; this is an error in the Swift 6 language mode
 6 | //
 7 |
 8 | struct Environment {
   |        `- note: consider making struct 'Environment' conform to the 'Sendable' protocol
 9 |     var fileManager: FileManager
10 |     var githubClient: GithubClient
   :
13 |
14 | extension Environment {
15 |     static let live = Self(
   |                |- warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'Environment' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'live' 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
16 |         fileManager: .live,
17 |         githubClient: .live
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/FileManager.swift:17:16: warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'FileManager' may have shared mutable state; this is an error in the Swift 6 language mode
 9 |
10 |
11 | struct FileManager {
   |        `- note: consider making struct 'FileManager' conform to the 'Sendable' protocol
12 |     var fileExists: (Path) -> Bool
13 | }
   :
15 |
16 | extension FileManager {
17 |     static let live = Self(
   |                |- warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'FileManager' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'live' 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 |         fileExists: { $0.exists }
19 |     )
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Github.swift:25:16: warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'GithubClient' may have shared mutable state; this is an error in the Swift 6 language mode
 15 |
 16 |
 17 | struct GithubClient {
    |        `- note: consider making struct 'GithubClient' conform to the 'Sendable' protocol
 18 |     var latestRelease: (GithubRepository) -> Release?
 19 |     var tags: (GithubRepository) -> [Tag]
    :
 23 |
 24 | extension GithubClient {
 25 |     static let live = Self(
    |                |- warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'GithubClient' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: annotate 'live' 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
 26 |         latestRelease: latestReleaseRequest,
 27 |         tags: tagsRequest,
[92/99] Compiling ArenaCore AppError.swift
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/ArenaCommand.swift:10:23: warning: static property 'configuration' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
  8 |     static let playgroundName = "Arena-Playground"
  9 |
 10 |     public static var configuration = CommandConfiguration(
    |                       |- warning: static property 'configuration' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'configuration' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'configuration' 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
 11 |         abstract: "Creates an Xcode project with a Playground and one or more SPM libraries imported and ready for use."
 12 |     )
[93/99] Compiling ArenaCore ArenaCommand.swift
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/ArenaCommand.swift:10:23: warning: static property 'configuration' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
  8 |     static let playgroundName = "Arena-Playground"
  9 |
 10 |     public static var configuration = CommandConfiguration(
    |                       |- warning: static property 'configuration' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'configuration' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'configuration' 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
 11 |         abstract: "Creates an Xcode project with a Playground and one or more SPM libraries imported and ready for use."
 12 |     )
[94/99] Emitting module ArenaCore
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/ArenaCommand.swift:10:23: warning: static property 'configuration' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
  8 |     static let playgroundName = "Arena-Playground"
  9 |
 10 |     public static var configuration = CommandConfiguration(
    |                       |- warning: static property 'configuration' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'configuration' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'configuration' 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
 11 |         abstract: "Creates an Xcode project with a Playground and one or more SPM libraries imported and ready for use."
 12 |     )
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Dependency.swift:19:16: warning: static property 'defaultRequirement' is not concurrency-safe because non-'Sendable' type 'Requirement' may have shared mutable state; this is an error in the Swift 6 language mode
 17 |     public var requirement: Requirement
 18 |
 19 |     static let defaultRequirement: Requirement = .from(.init(0, 0, 0))
    |                |- warning: static property 'defaultRequirement' is not concurrency-safe because non-'Sendable' type 'Requirement' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: annotate 'defaultRequirement' 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
 20 |
 21 |     public init(url: URL, requirement: Requirement) {
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Requirement.swift:11:13: note: consider making enum 'Requirement' conform to the 'Sendable' protocol
  9 |
 10 |
 11 | public enum Requirement: Equatable, Hashable {
    |             `- note: consider making enum 'Requirement' conform to the 'Sendable' protocol
 12 |     case exact(SemanticVersion)
 13 |     case range(Range<SemanticVersion>)
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Environment.swift:15:16: warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'Environment' may have shared mutable state; this is an error in the Swift 6 language mode
 6 | //
 7 |
 8 | struct Environment {
   |        `- note: consider making struct 'Environment' conform to the 'Sendable' protocol
 9 |     var fileManager: FileManager
10 |     var githubClient: GithubClient
   :
13 |
14 | extension Environment {
15 |     static let live = Self(
   |                |- warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'Environment' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'live' 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
16 |         fileManager: .live,
17 |         githubClient: .live
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/FileManager.swift:17:16: warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'FileManager' may have shared mutable state; this is an error in the Swift 6 language mode
 9 |
10 |
11 | struct FileManager {
   |        `- note: consider making struct 'FileManager' conform to the 'Sendable' protocol
12 |     var fileExists: (Path) -> Bool
13 | }
   :
15 |
16 | extension FileManager {
17 |     static let live = Self(
   |                |- warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'FileManager' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'live' 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 |         fileExists: { $0.exists }
19 |     )
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Github.swift:25:16: warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'GithubClient' may have shared mutable state; this is an error in the Swift 6 language mode
 15 |
 16 |
 17 | struct GithubClient {
    |        `- note: consider making struct 'GithubClient' conform to the 'Sendable' protocol
 18 |     var latestRelease: (GithubRepository) -> Release?
 19 |     var tags: (GithubRepository) -> [Tag]
    :
 23 |
 24 | extension GithubClient {
 25 |     static let live = Self(
    |                |- warning: static property 'live' is not concurrency-safe because non-'Sendable' type 'GithubClient' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: annotate 'live' 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
 26 |         latestRelease: latestReleaseRequest,
 27 |         tags: tagsRequest,
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Environment.swift:23:5: warning: var 'Current' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
21 |
22 | #if DEBUG
23 | var Current = Environment.live
   |     |- warning: var 'Current' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |     |- note: convert 'Current' to a 'let' constant to make 'Sendable' shared state immutable
   |     |- note: annotate 'Current' 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
24 | #else
25 | let Current = Environment.live
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Extensions.swift:28:1: warning: extension declares a conformance of imported type 'Optional' to imported protocol 'CustomStringConvertible'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
26 |
27 |
28 | extension Optional: CustomStringConvertible where Wrapped == String {
   | |- warning: extension declares a conformance of imported type 'Optional' to imported protocol 'CustomStringConvertible'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
29 |     public var description: String {
30 |         switch self {
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Extensions.swift:39:1: warning: extension declares a conformance of imported type 'Path' to imported protocol 'ExpressibleByArgument'; this will not behave correctly if the owners of 'Path' introduce this conformance in the future
37 |
38 |
39 | extension Path: ExpressibleByArgument {
   | |- warning: extension declares a conformance of imported type 'Path' to imported protocol 'ExpressibleByArgument'; this will not behave correctly if the owners of 'Path' introduce this conformance in the future
   | `- note: add '@retroactive' to silence this warning
40 |     public init?(argument: String) {
41 |         self = Path(argument) ?? Path.cwd/argument
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Parser+ext.swift:110:5: warning: let 'branchName' is not concurrency-safe because non-'Sendable' type 'Parser<Substring>' may have shared mutable state; this is an error in the Swift 6 language mode
108 |
109 |
110 | let branchName = zip(
    |     `- warning: let 'branchName' is not concurrency-safe because non-'Sendable' type 'Parser<Substring>' may have shared mutable state; this is an error in the Swift 6 language mode
111 |     .char(in: AllowedStartBranchCharacters),
112 |     .prefix(charactersIn: AllowedBranchCharacters)
/Users/admin/builder/spi-builder-workspace/.build/checkouts/Parser/Sources/Parser/Parser.swift:15:15: note: generic struct 'Parser' does not conform to the 'Sendable' protocol
 13 |
 14 |
 15 | public struct Parser<A> {
    |               `- note: generic struct 'Parser' does not conform to the 'Sendable' protocol
 16 |     public let run: (inout Substring) -> A?
 17 |
/Users/admin/builder/spi-builder-workspace/Sources/ArenaCore/Parser+ext.swift:9:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Parser'
  7 |
  8 | import Foundation
  9 | import Parser
    | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Parser'
 10 | import Path
 11 | import SemanticVersion
    :
108 |
109 |
110 | let branchName = zip(
    |     |- note: annotate 'branchName' 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
111 |     .char(in: AllowedStartBranchCharacters),
112 |     .prefix(charactersIn: AllowedBranchCharacters)
[94/99] Write Objects.LinkFileList
[96/101] Compiling ArenaCLI main.swift
[97/101] Emitting module ArenaCLI
[97/101] Write Objects.LinkFileList
[98/101] Linking arena
[99/101] Linking libArenaCore.dylib
[100/101] Applying arena
Build complete! (39.73s)
Fetching https://github.com/finestructure/Parser
Fetching https://github.com/pointfreeco/swift-snapshot-testing.git
Fetching https://github.com/SwiftPackageIndex/SemanticVersion
Fetching https://github.com/apple/swift-argument-parser
Fetching https://github.com/JohnSundell/ShellOut.git
Fetching https://github.com/mxcl/Path.swift.git
[3/294] Fetching semanticversion
[28/449] Fetching semanticversion, parser
[348/1405] Fetching semanticversion, parser, shellout
Fetched https://github.com/finestructure/Parser from cache (0.84s)
Fetched https://github.com/SwiftPackageIndex/SemanticVersion from cache (0.84s)
[574/956] Fetching shellout
[594/2015] Fetching shellout, path.swift
[1042/13694] Fetching shellout, path.swift, swift-argument-parser
[1160/24943] Fetching shellout, path.swift, swift-argument-parser, swift-snapshot-testing
Fetched https://github.com/mxcl/Path.swift.git from cache (3.74s)
Fetched https://github.com/pointfreeco/swift-snapshot-testing.git from cache (3.74s)
Fetched https://github.com/apple/swift-argument-parser from cache (3.74s)
Fetched https://github.com/JohnSundell/ShellOut.git from cache (3.74s)
Computing version for https://github.com/pointfreeco/swift-snapshot-testing.git
Computed https://github.com/pointfreeco/swift-snapshot-testing.git at 1.11.1 (0.69s)
Computing version for https://github.com/SwiftPackageIndex/SemanticVersion
Computed https://github.com/SwiftPackageIndex/SemanticVersion at 0.3.6 (0.67s)
Computing version for https://github.com/mxcl/Path.swift.git
Computed https://github.com/mxcl/Path.swift.git at 1.4.0 (2.60s)
Computing version for https://github.com/JohnSundell/ShellOut.git
Computed https://github.com/JohnSundell/ShellOut.git at 2.3.0 (0.68s)
Computing version for https://github.com/finestructure/Parser
Computed https://github.com/finestructure/Parser at 0.2.1 (0.66s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 0.5.0 (0.66s)
Creating working copy for https://github.com/JohnSundell/ShellOut.git
Working copy of https://github.com/JohnSundell/ShellOut.git resolved at 2.3.0
Creating working copy for https://github.com/pointfreeco/swift-snapshot-testing.git
Working copy of https://github.com/pointfreeco/swift-snapshot-testing.git resolved at 1.11.1
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 0.5.0
Creating working copy for https://github.com/mxcl/Path.swift.git
Working copy of https://github.com/mxcl/Path.swift.git resolved at 1.4.0
Creating working copy for https://github.com/finestructure/Parser
Working copy of https://github.com/finestructure/Parser resolved at 0.2.1
Creating working copy for https://github.com/SwiftPackageIndex/SemanticVersion
Working copy of https://github.com/SwiftPackageIndex/SemanticVersion resolved at 0.3.6
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-argument-parser",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.2.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-argument-parser"
    },
    {
      "identity" : "parser",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.0.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/finestructure/Parser"
    },
    {
      "identity" : "shellout",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/JohnSundell/ShellOut.git"
    },
    {
      "identity" : "path.swift",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/mxcl/Path.swift.git"
    },
    {
      "identity" : "semanticversion",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.2.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/SwiftPackageIndex/SemanticVersion"
    },
    {
      "identity" : "swift-snapshot-testing",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.7.2",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/pointfreeco/swift-snapshot-testing.git"
    }
  ],
  "manifest_display_name" : "Arena",
  "name" : "Arena",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    }
  ],
  "products" : [
    {
      "name" : "arena",
      "targets" : [
        "ArenaCLI"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "ArenaCore",
      "targets" : [
        "ArenaCore"
      ],
      "type" : {
        "library" : [
          "dynamic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ArenaTests",
      "module_type" : "SwiftTarget",
      "name" : "ArenaTests",
      "path" : "Tests/ArenaTests",
      "product_dependencies" : [
        "SnapshotTesting"
      ],
      "sources" : [
        "ArenaTests.swift",
        "IntegrationTests.swift",
        "ManifestTests.swift",
        "OutputListener.swift",
        "PackageGeneratorTests.swift",
        "ParserTests.swift",
        "RegressionTests.swift",
        "Utils.swift"
      ],
      "target_dependencies" : [
        "ArenaCore"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ArenaCore",
      "module_type" : "SwiftTarget",
      "name" : "ArenaCore",
      "path" : "Sources/ArenaCore",
      "product_dependencies" : [
        "ArgumentParser",
        "Parser",
        "Path",
        "SemanticVersion",
        "ShellOut"
      ],
      "product_memberships" : [
        "arena",
        "ArenaCore"
      ],
      "sources" : [
        "AppError.swift",
        "ArenaCommand.swift",
        "Dependency.swift",
        "Environment.swift",
        "Extensions.swift",
        "FileManager.swift",
        "Github.swift",
        "Helpers.swift",
        "Manifest.swift",
        "PackageGenerator.swift",
        "Parser+ext.swift",
        "Platform.swift",
        "PlatformVersion.swift",
        "PlaygroundBook.swift",
        "Progress.swift",
        "RefSpec.swift",
        "Requirement.swift",
        "Scheme.swift",
        "String+ext.swift",
        "Version.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "ArenaCLI",
      "module_type" : "SwiftTarget",
      "name" : "ArenaCLI",
      "path" : "Sources/ArenaCLI",
      "product_memberships" : [
        "arena"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "ArenaCore"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "5.6"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.