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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

Failed to build Mappable with Swift 6.0 for Linux.

Build Command

bash -c docker run --rm -v "checkouts-4609320-0":/host -w "$workDir" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.40.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/leavez/Mappable.git
Reference: master
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/leavez/Mappable
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 6db81dc bump version
Cloned https://github.com/leavez/Mappable.git
Revision (git rev-parse @):
6db81dc7e70cf73bf9a122ed359f16d1b90606cb
SUCCESS checkout https://github.com/leavez/Mappable.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $workDir
https://github.com/leavez/Mappable.git
Running build ...
bash -c docker run --rm -v "checkouts-4609320-0":/host -w "$workDir" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete 2>&1
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/10] Compiling Mappable Misc.swift
/host/spi-builder-workspace/Sources/Mappable/Misc.swift:15:10: warning: associated value 'cannotCast' of 'Sendable'-conforming enum 'ErrorType' has non-sendable type 'Any'; this is an error in the Swift 6 language mode
13 |     case JSONParseError(String) // JSON string
14 |     case valueNonExisted(String) // keyPath
15 |     case cannotCast(Any?, String) // value, toType
   |          `- warning: associated value 'cannotCast' of 'Sendable'-conforming enum 'ErrorType' has non-sendable type 'Any'; this is an error in the Swift 6 language mode
16 |     case JSONStructureNotMatchDesired(Any?, String) // value, pattern
17 |
/host/spi-builder-workspace/Sources/Mappable/Misc.swift:16:10: warning: associated value 'JSONStructureNotMatchDesired' of 'Sendable'-conforming enum 'ErrorType' has non-sendable type 'Any'; this is an error in the Swift 6 language mode
14 |     case valueNonExisted(String) // keyPath
15 |     case cannotCast(Any?, String) // value, toType
16 |     case JSONStructureNotMatchDesired(Any?, String) // value, pattern
   |          `- warning: associated value 'JSONStructureNotMatchDesired' of 'Sendable'-conforming enum 'ErrorType' has non-sendable type 'Any'; this is an error in the Swift 6 language mode
17 |
18 | }
[4/10] Compiling Mappable Mappable.swift
[5/10] Compiling Mappable Mappable+ContainerType.swift
[6/10] Compiling Mappable Mapper.swift
[7/10] Compiling Mappable JSON.swift
/host/spi-builder-workspace/Sources/Mappable/JSON.swift:79:13: warning: let 'arrayIndexKeyRegex' is not concurrency-safe because non-'Sendable' type 'NSRegularExpression' may have shared mutable state; this is an error in the Swift 6 language mode
77 | }
78 |
79 | private let arrayIndexKeyRegex = try! NSRegularExpression(pattern: "^`([0-9]+)`$", options: [])
   |             `- warning: let 'arrayIndexKeyRegex' is not concurrency-safe because non-'Sendable' type 'NSRegularExpression' may have shared mutable state; this is an error in the Swift 6 language mode
80 |
Foundation.NSRegularExpression:1:12: note: class 'NSRegularExpression' does not conform to the 'Sendable' protocol
 1 | open class NSRegularExpression : NSObject, NSCopying, NSSecureCoding {
   |            `- note: class 'NSRegularExpression' does not conform to the 'Sendable' protocol
 2 |     override open func copy() -> Any
 3 |     open func copy(with zone: NSZone? = nil) -> Any
/host/spi-builder-workspace/Sources/Mappable/JSON.swift:8:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 6 | //
 7 |
 8 | import Foundation
   | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 9 |
10 | /// a JSON implementation of Mapper
   :
77 | }
78 |
79 | private let arrayIndexKeyRegex = try! NSRegularExpression(pattern: "^`([0-9]+)`$", options: [])
   |             |- note: annotate 'arrayIndexKeyRegex' 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
80 |
[8/10] Emitting module Mappable
/host/spi-builder-workspace/Sources/Mappable/JSON.swift:79:13: warning: let 'arrayIndexKeyRegex' is not concurrency-safe because non-'Sendable' type 'NSRegularExpression' may have shared mutable state; this is an error in the Swift 6 language mode
77 | }
78 |
79 | private let arrayIndexKeyRegex = try! NSRegularExpression(pattern: "^`([0-9]+)`$", options: [])
   |             `- warning: let 'arrayIndexKeyRegex' is not concurrency-safe because non-'Sendable' type 'NSRegularExpression' may have shared mutable state; this is an error in the Swift 6 language mode
80 |
Foundation.NSRegularExpression:1:12: note: class 'NSRegularExpression' does not conform to the 'Sendable' protocol
 1 | open class NSRegularExpression : NSObject, NSCopying, NSSecureCoding {
   |            `- note: class 'NSRegularExpression' does not conform to the 'Sendable' protocol
 2 |     override open func copy() -> Any
 3 |     open func copy(with zone: NSZone? = nil) -> Any
/host/spi-builder-workspace/Sources/Mappable/JSON.swift:8:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 6 | //
 7 |
 8 | import Foundation
   | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 9 |
10 | /// a JSON implementation of Mapper
   :
77 | }
78 |
79 | private let arrayIndexKeyRegex = try! NSRegularExpression(pattern: "^`([0-9]+)`$", options: [])
   |             |- note: annotate 'arrayIndexKeyRegex' 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
80 |
/host/spi-builder-workspace/Sources/Mappable/Mappable+BasicType.swift:221:13: warning: let 'RFC3339DateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
219 | }
220 |
221 | private let RFC3339DateFormatter: DateFormatter = {
    |             `- warning: let 'RFC3339DateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
222 |     let formatter = DateFormatter()
223 |     formatter.locale = Locale(identifier: "en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Mappable/Mappable+BasicType.swift:8:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
  6 | //
  7 |
  8 | import Foundation
    | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
  9 |
 10 | // MARK: - Integer
    :
219 | }
220 |
221 | private let RFC3339DateFormatter: DateFormatter = {
    |             |- note: annotate 'RFC3339DateFormatter' 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
222 |     let formatter = DateFormatter()
223 |     formatter.locale = Locale(identifier: "en_US_POSIX")
/host/spi-builder-workspace/Sources/Mappable/Misc.swift:15:10: warning: associated value 'cannotCast' of 'Sendable'-conforming enum 'ErrorType' has non-sendable type 'Any'; this is an error in the Swift 6 language mode
13 |     case JSONParseError(String) // JSON string
14 |     case valueNonExisted(String) // keyPath
15 |     case cannotCast(Any?, String) // value, toType
   |          `- warning: associated value 'cannotCast' of 'Sendable'-conforming enum 'ErrorType' has non-sendable type 'Any'; this is an error in the Swift 6 language mode
16 |     case JSONStructureNotMatchDesired(Any?, String) // value, pattern
17 |
/host/spi-builder-workspace/Sources/Mappable/Misc.swift:16:10: warning: associated value 'JSONStructureNotMatchDesired' of 'Sendable'-conforming enum 'ErrorType' has non-sendable type 'Any'; this is an error in the Swift 6 language mode
14 |     case valueNonExisted(String) // keyPath
15 |     case cannotCast(Any?, String) // value, toType
16 |     case JSONStructureNotMatchDesired(Any?, String) // value, pattern
   |          `- warning: associated value 'JSONStructureNotMatchDesired' of 'Sendable'-conforming enum 'ErrorType' has non-sendable type 'Any'; this is an error in the Swift 6 language mode
17 |
18 | }
[9/10] Compiling Mappable Mappable+BasicType.swift
/host/spi-builder-workspace/Sources/Mappable/Mappable+BasicType.swift:221:13: warning: let 'RFC3339DateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
219 | }
220 |
221 | private let RFC3339DateFormatter: DateFormatter = {
    |             `- warning: let 'RFC3339DateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
222 |     let formatter = DateFormatter()
223 |     formatter.locale = Locale(identifier: "en_US_POSIX")
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/Mappable/Mappable+BasicType.swift:8:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
  6 | //
  7 |
  8 | import Foundation
    | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
  9 |
 10 | // MARK: - Integer
    :
219 | }
220 |
221 | private let RFC3339DateFormatter: DateFormatter = {
    |             |- note: annotate 'RFC3339DateFormatter' 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
222 |     let formatter = DateFormatter()
223 |     formatter.locale = Locale(identifier: "en_US_POSIX")
/host/spi-builder-workspace/Sources/Mappable/Mappable+BasicType.swift:153:41: error: argument type 'NSNumber' does not conform to expected type 'CVarArg'
151 |             self = String(format: "%ld", v)
152 |         case let v as NSNumber:
153 |             self = String(format: "%@", v)
    |                                         `- error: argument type 'NSNumber' does not conform to expected type 'CVarArg'
154 |         default:
155 |             throw ErrorType.cannotCast(map.getRootValue(), "\(String.self)")
[10/10] Compiling Mappable Mappable+Enum.swift
BUILD FAILURE 6.0 linux
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.