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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 Superhighway with Swift 6.0 for Linux.

Build Command

bash -c docker run --rm -v "checkouts-4606859-0":/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/rhysforyou/Superhighway.git
Reference: main
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/rhysforyou/Superhighway
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at deb5bcb add support for swift-http-types
Cloned https://github.com/rhysforyou/Superhighway.git
Revision (git rev-parse @):
deb5bcb28b34fa5f9d47f7a9dbc5e7b82a558d2f
SPI manifest file found: $workDir/.spi.yml
SUCCESS checkout https://github.com/rhysforyou/Superhighway.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $workDir
https://github.com/rhysforyou/Superhighway.git
Running build ...
bash -c docker run --rm -v "checkouts-4606859-0":/host -w "$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
Fetching https://github.com/apple/swift-docc-symbolkit
Fetching https://github.com/apple/swift-http-types.git
Fetching https://github.com/apple/swift-docc-plugin
[1/414] Fetching swift-http-types
[415/1872] Fetching swift-http-types, swift-docc-plugin
[474/4728] Fetching swift-http-types, swift-docc-plugin, swift-docc-symbolkit
Fetched https://github.com/apple/swift-http-types.git from cache (0.26s)
[1527/4314] Fetching swift-docc-plugin, swift-docc-symbolkit
Fetched https://github.com/apple/swift-docc-symbolkit from cache (0.38s)
Fetched https://github.com/apple/swift-docc-plugin from cache (0.39s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.3.0 (0.48s)
Computing version for https://github.com/apple/swift-http-types.git
Computed https://github.com/apple/swift-http-types.git at 0.2.0 (0.44s)
Computing version for https://github.com/apple/swift-docc-symbolkit
Computed https://github.com/apple/swift-docc-symbolkit at 1.0.0 (0.53s)
Creating working copy for https://github.com/apple/swift-docc-plugin
Working copy of https://github.com/apple/swift-docc-plugin resolved at 1.3.0
Creating working copy for https://github.com/apple/swift-docc-symbolkit
Working copy of https://github.com/apple/swift-docc-symbolkit resolved at 1.0.0
Creating working copy for https://github.com/apple/swift-http-types.git
Working copy of https://github.com/apple/swift-http-types.git resolved at 0.2.0
/host/spi-builder-workspace/.build/checkouts/swift-docc-plugin/Plugins/Swift-DocC Convert/Symbolic Links/SharedPackagePluginExtensions/PackageExtensions.swift:31:17: warning: switch covers known cases, but 'TargetDependency' may have additional unknown values; this is an error in the Swift 6 language mode
 29 |         func addTargetDependencies(_ target: Target) {
 30 |             for dependency in target.dependencies {
 31 |                 switch dependency {
    |                 |- warning: switch covers known cases, but 'TargetDependency' may have additional unknown values; this is an error in the Swift 6 language mode
    |                 `- note: handle unknown values using "@unknown default"
 32 |                 case .product(let product):
 33 |                     addTargets(product.targets)
[1/1] Compiling plugin Swift-DocC
/host/spi-builder-workspace/.build/checkouts/swift-docc-plugin/Plugins/Swift-DocC Preview/Symbolic Links/SharedPackagePluginExtensions/PackageExtensions.swift:31:17: warning: switch covers known cases, but 'TargetDependency' may have additional unknown values; this is an error in the Swift 6 language mode
 29 |         func addTargetDependencies(_ target: Target) {
 30 |             for dependency in target.dependencies {
 31 |                 switch dependency {
    |                 |- warning: switch covers known cases, but 'TargetDependency' may have additional unknown values; this is an error in the Swift 6 language mode
    |                 `- note: handle unknown values using "@unknown default"
 32 |                 case .product(let product):
 33 |                     addTargets(product.targets)
[2/2] Compiling plugin Swift-DocC Preview
Building for debugging...
[2/7] Write sources
[6/7] Write swift-version-24593BA9C3E375BF.txt
[8/17] Compiling HTTPTypes ISOLatin1String.swift
[9/17] Compiling HTTPTypes HTTPRequest.swift
[10/17] Compiling HTTPTypes HTTPField.swift
[11/17] Emitting module HTTPTypes
[12/17] Compiling HTTPTypes HTTPFieldName.swift
[13/17] Compiling HTTPTypes HTTPResponse.swift
[14/17] Compiling HTTPTypes HTTPFields.swift
[16/24] Compiling HTTPTypesFoundation URLSession+HTTPTypes.swift
[17/24] Compiling HTTPTypesFoundation URLResponse+HTTPTypes.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[18/24] Compiling Superhighway Endpoint.swift
/host/spi-builder-workspace/Sources/Superhighway/Endpoint.swift:338:14: warning: stored property 'response' of 'Sendable'-conforming struct 'WrongStatusCodeError' has non-sendable type 'HTTPURLResponse?'; this is an error in the Swift 6 language mode
336 | public struct WrongStatusCodeError: Error {
337 |   public let statusCode: Int
338 |   public let response: HTTPURLResponse?
    |              `- warning: stored property 'response' of 'Sendable'-conforming struct 'WrongStatusCodeError' has non-sendable type 'HTTPURLResponse?'; this is an error in the Swift 6 language mode
339 |
340 |   public init(statusCode: Int, response: HTTPURLResponse?) {
FoundationNetworking.HTTPURLResponse:1:12: note: class 'HTTPURLResponse' does not conform to the 'Sendable' protocol
 1 | open class HTTPURLResponse : URLResponse {
   |            `- note: class 'HTTPURLResponse' does not conform to the 'Sendable' protocol
 2 |     public init?(url: URL, statusCode: Int, httpVersion: String?, headerFields: [String : String]?)
 3 |     required public init?(coder aDecoder: NSCoder)
/host/spi-builder-workspace/Sources/Superhighway/Endpoint.swift:4:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'FoundationNetworking'
  2 |
  3 | #if canImport(FoundationNetworking)
  4 | import FoundationNetworking
    | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'FoundationNetworking'
  5 | #endif
  6 |
[19/24] Emitting module Superhighway
/host/spi-builder-workspace/Sources/Superhighway/Endpoint.swift:338:14: warning: stored property 'response' of 'Sendable'-conforming struct 'WrongStatusCodeError' has non-sendable type 'HTTPURLResponse?'; this is an error in the Swift 6 language mode
336 | public struct WrongStatusCodeError: Error {
337 |   public let statusCode: Int
338 |   public let response: HTTPURLResponse?
    |              `- warning: stored property 'response' of 'Sendable'-conforming struct 'WrongStatusCodeError' has non-sendable type 'HTTPURLResponse?'; this is an error in the Swift 6 language mode
339 |
340 |   public init(statusCode: Int, response: HTTPURLResponse?) {
FoundationNetworking.HTTPURLResponse:1:12: note: class 'HTTPURLResponse' does not conform to the 'Sendable' protocol
 1 | open class HTTPURLResponse : URLResponse {
   |            `- note: class 'HTTPURLResponse' does not conform to the 'Sendable' protocol
 2 |     public init?(url: URL, statusCode: Int, httpVersion: String?, headerFields: [String : String]?)
 3 |     required public init?(coder aDecoder: NSCoder)
/host/spi-builder-workspace/Sources/Superhighway/Endpoint.swift:4:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'FoundationNetworking'
  2 |
  3 | #if canImport(FoundationNetworking)
  4 | import FoundationNetworking
    | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'FoundationNetworking'
  5 | #endif
  6 |
/host/spi-builder-workspace/Sources/Superhighway/URLSession+Endpoint.swift:3:8: error: non-nominal type 'URLSession' (aka 'AnyObject') cannot be extended
  1 | import Foundation
  2 |
  3 | public extension URLSession {
    |        `- error: non-nominal type 'URLSession' (aka 'AnyObject') cannot be extended
  4 |   /// Loads an endpoint by creating (and directly resuming) a data task.
  5 |   ///
[20/24] Compiling Superhighway URLSession+Endpoint.swift
/host/spi-builder-workspace/Sources/Superhighway/URLSession+Endpoint.swift:3:8: error: non-nominal type 'URLSession' (aka 'AnyObject') cannot be extended
  1 | import Foundation
  2 |
  3 | public extension URLSession {
    |        `- error: non-nominal type 'URLSession' (aka 'AnyObject') cannot be extended
  4 |   /// Loads an endpoint by creating (and directly resuming) a data task.
  5 |   ///
[21/24] Compiling HTTPTypesFoundation URLRequest+HTTPTypes.swift
[22/24] Compiling HTTPTypesFoundation HTTPRequest+URL.swift
[23/24] Emitting module HTTPTypesFoundation
[24/24] Compiling HTTPTypesFoundation HTTPTypes+ISOLatin1.swift
BUILD FAILURE 6.0 linux
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.