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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 Replacer with Swift 6.0 for macOS (SPM).

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

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RunAll
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Builder version: 4.40.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/tattn/Replacer.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/tattn/Replacer
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 2d6199d Merge pull request #5 from tattn/dependabot/bundler/tzinfo-1.2.10
Cloned https://github.com/tattn/Replacer.git
Revision (git rev-parse @):
2d6199d8e5200fa18a654ce0b111fdf976f34d8d
SUCCESS checkout https://github.com/tattn/Replacer.git at master
========================================
Build
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Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/tattn/Replacer.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...
[0/3] Write sources
[2/3] Write swift-version-6F35C1178C84523A.txt
[4/9] Compiling Replacer URLSessionConfiguration+.swift
[5/9] Compiling Replacer URLStub.swift
[6/9] Compiling Replacer URLStubProtocol.swift
/Users/admin/builder/spi-builder-workspace/Sources/Replacer/URLStubManager.swift:13:23: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'URLStubManager' may have shared mutable state; this is an error in the Swift 6 language mode
 9 | import Foundation
10 |
11 | public final class URLStubManager {
   |                    `- note: class 'URLStubManager' does not conform to the 'Sendable' protocol
12 |
13 |     public static let shared = URLStubManager()
   |                       |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'URLStubManager' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'shared' 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
14 |
15 |     fileprivate var stubs: [URLStub] = []
/Users/admin/builder/spi-builder-workspace/Sources/Replacer/URLStubProtocol.swift:24:36: warning: capture of 'stub' with non-sendable type 'URLStub' in a `@Sendable` closure; this is an error in the Swift 6 language mode
22 |         let stub = URLStubManager.shared.findStub(by: request)!
23 |         DispatchQueue.global().asyncAfter(deadline: DispatchTime.now() + stub._delay) {
24 |             if let responseBlock = stub._responseBlock {
   |                                    `- warning: capture of 'stub' with non-sendable type 'URLStub' in a `@Sendable` closure; this is an error in the Swift 6 language mode
25 |                 (stub._data, stub._error) = responseBlock(self.request)
26 |                 stub._responseBlock = nil
/Users/admin/builder/spi-builder-workspace/Sources/Replacer/URLStub.swift:11:14: note: class 'URLStub' does not conform to the 'Sendable' protocol
  9 | import Foundation
 10 |
 11 | public class URLStub {
    |              `- note: class 'URLStub' does not conform to the 'Sendable' protocol
 12 |     var _url: String = ""
 13 |     var _method: HTTPMethod = .get
/Users/admin/builder/spi-builder-workspace/Sources/Replacer/URLStubProtocol.swift:25:59: warning: capture of 'self' with non-sendable type 'URLStubProtocol' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 9 | import Foundation
10 |
11 | public class URLStubProtocol: URLProtocol {
   |              `- note: class 'URLStubProtocol' does not conform to the 'Sendable' protocol
12 |
13 |     override open class func canInit(with request: URLRequest) -> Bool {
   :
23 |         DispatchQueue.global().asyncAfter(deadline: DispatchTime.now() + stub._delay) {
24 |             if let responseBlock = stub._responseBlock {
25 |                 (stub._data, stub._error) = responseBlock(self.request)
   |                                                           `- warning: capture of 'self' with non-sendable type 'URLStubProtocol' in a `@Sendable` closure; this is an error in the Swift 6 language mode
26 |                 stub._responseBlock = nil
27 |             }
[7/9] Compiling Replacer URLStubManager.swift
/Users/admin/builder/spi-builder-workspace/Sources/Replacer/URLStubManager.swift:13:23: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'URLStubManager' may have shared mutable state; this is an error in the Swift 6 language mode
 9 | import Foundation
10 |
11 | public final class URLStubManager {
   |                    `- note: class 'URLStubManager' does not conform to the 'Sendable' protocol
12 |
13 |     public static let shared = URLStubManager()
   |                       |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'URLStubManager' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'shared' 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
14 |
15 |     fileprivate var stubs: [URLStub] = []
[8/9] Emitting module Replacer
/Users/admin/builder/spi-builder-workspace/Sources/Replacer/URLStubManager.swift:13:23: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'URLStubManager' may have shared mutable state; this is an error in the Swift 6 language mode
 9 | import Foundation
10 |
11 | public final class URLStubManager {
   |                    `- note: class 'URLStubManager' does not conform to the 'Sendable' protocol
12 |
13 |     public static let shared = URLStubManager()
   |                       |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'URLStubManager' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'shared' 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
14 |
15 |     fileprivate var stubs: [URLStub] = []
[9/9] Compiling Replacer Replacer.swift
/Users/admin/builder/spi-builder-workspace/Sources/Replacer/URLStubManager.swift:13:23: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'URLStubManager' may have shared mutable state; this is an error in the Swift 6 language mode
 9 | import Foundation
10 |
11 | public final class URLStubManager {
   |                    `- note: class 'URLStubManager' does not conform to the 'Sendable' protocol
12 |
13 |     public static let shared = URLStubManager()
   |                       |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'URLStubManager' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'shared' 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
14 |
15 |     fileprivate var stubs: [URLStub] = []
error: emit-module command failed with exit code 1 (use -v to see invocation)
[10/11] Emitting module TestReplacer
/Users/admin/builder/spi-builder-workspace/Sources/TestReplacer/XCTest+.swift:16:78: error: ambiguous use of 'tearDown'
14 |
15 |     private static let swizzleTearDown: Void = {
16 |         let tearDown = class_getInstanceMethod(XCTest.self, #selector(XCTest.tearDown))!
   |                                                                              `- error: ambiguous use of 'tearDown'
17 |         let replacerTearDown = class_getInstanceMethod(XCTest.self, #selector(XCTest.autoResetTearDown))!
18 |         method_exchangeImplementations(tearDown, replacerTearDown)
XCTest.XCTest:18:15: note: found this candidate in module 'XCTest'
16 |     open func setUpWithError() throws
17 |     open func setUp()
18 |     open func tearDown()
   |               `- note: found this candidate in module 'XCTest'
19 |     open func tearDownWithError() throws
20 |     open func tearDown(completion: @escaping ((any Error)?) -> Void)
   |               `- note: found this candidate in module 'XCTest'
21 |     open func tearDown() async throws
22 |     @available(swift, obsoleted: 3, renamed: "tearDown(completion:)")
[11/11] Compiling TestReplacer XCTest+.swift
/Users/admin/builder/spi-builder-workspace/Sources/TestReplacer/XCTest+.swift:16:78: error: ambiguous use of 'tearDown'
14 |
15 |     private static let swizzleTearDown: Void = {
16 |         let tearDown = class_getInstanceMethod(XCTest.self, #selector(XCTest.tearDown))!
   |                                                                              `- error: ambiguous use of 'tearDown'
17 |         let replacerTearDown = class_getInstanceMethod(XCTest.self, #selector(XCTest.autoResetTearDown))!
18 |         method_exchangeImplementations(tearDown, replacerTearDown)
XCTest.XCTest:18:15: note: found this candidate in module 'XCTest'
16 |     open func setUpWithError() throws
17 |     open func setUp()
18 |     open func tearDown()
   |               `- note: found this candidate in module 'XCTest'
19 |     open func tearDownWithError() throws
20 |     open func tearDown(completion: @escaping ((any Error)?) -> Void)
   |               `- note: found this candidate in module 'XCTest'
21 |     open func tearDown() async throws
22 |     @available(swift, obsoleted: 3, renamed: "tearDown(completion:)")
/Users/admin/builder/spi-builder-workspace/Sources/Replacer/URLStubManager.swift:13:23: warning: class property 'shared' is not concurrency-safe because non-'Sendable' type 'URLStubManager' may have shared mutable state; this is an error in the Swift 6 language mode
 9 | import Foundation
10 |
11 | public final class URLStubManager {
   |                    `- note: class 'URLStubManager' does not conform to the 'Sendable' protocol
12 |
13 |     public static let shared = URLStubManager()
   |                       |- warning: class property 'shared' is not concurrency-safe because non-'Sendable' type 'URLStubManager' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'shared' 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
14 |
15 |     fileprivate var stubs: [URLStub] = []
Fetching https://github.com/Alamofire/Alamofire.git
[1/28780] Fetching alamofire
Fetched https://github.com/Alamofire/Alamofire.git from cache (8.62s)
Computing version for https://github.com/Alamofire/Alamofire.git
Computed https://github.com/Alamofire/Alamofire.git at 4.9.1 (0.69s)
Creating working copy for https://github.com/Alamofire/Alamofire.git
Working copy of https://github.com/Alamofire/Alamofire.git resolved at 4.9.1
BUILD FAILURE 6.0 macosSpm
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.