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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 SHDateFormatter, reference 1.7.1 (092a5f), with Swift 6.0 for Linux on 3 Nov 2024 15:00:31 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" 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: 4.56.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/blackjacx/SHDateFormatter.git
Reference: 1.7.1
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/blackjacx/SHDateFormatter
 * tag               1.7.1      -> FETCH_HEAD
HEAD is now at 092a5f5 Merge branch 'release/1.7.1'
Cloned https://github.com/blackjacx/SHDateFormatter.git
Revision (git rev-parse @):
092a5f58efc7893cd81a49c09b73df6549619844
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/blackjacx/SHDateFormatter.git at 1.7.1
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/blackjacx/SHDateFormatter.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" 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
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:47d26c99ca4f1ac0a332c85fd5b13ff4390e72115219984a57a68fe9d1063a05
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Fetching https://github.com/Quick/Quick
Fetching https://github.com/Quick/Nimble
[1/14723] Fetching quick
[14724/33941] Fetching quick, nimble
Fetched https://github.com/Quick/Quick from cache (1.48s)
Fetched https://github.com/Quick/Nimble from cache (1.49s)
Computing version for https://github.com/Quick/Nimble
Computed https://github.com/Quick/Nimble at 10.0.0 (0.43s)
Fetching https://github.com/mattgallagher/CwlPreconditionTesting.git
[1/1257] Fetching cwlpreconditiontesting
Fetched https://github.com/mattgallagher/CwlPreconditionTesting.git from cache (0.18s)
Computing version for https://github.com/Quick/Quick
Computed https://github.com/Quick/Quick at 5.0.1 (0.44s)
Computing version for https://github.com/mattgallagher/CwlPreconditionTesting.git
Computed https://github.com/mattgallagher/CwlPreconditionTesting.git at 2.2.2 (0.43s)
Fetching https://github.com/mattgallagher/CwlCatchException.git
[1/455] Fetching cwlcatchexception
Fetched https://github.com/mattgallagher/CwlCatchException.git from cache (0.16s)
Computing version for https://github.com/mattgallagher/CwlCatchException.git
Computed https://github.com/mattgallagher/CwlCatchException.git at 2.2.1 (0.42s)
Creating working copy for https://github.com/Quick/Nimble
Working copy of https://github.com/Quick/Nimble resolved at 10.0.0
Creating working copy for https://github.com/Quick/Quick
Working copy of https://github.com/Quick/Quick resolved at 5.0.1
Creating working copy for https://github.com/mattgallagher/CwlPreconditionTesting.git
Working copy of https://github.com/mattgallagher/CwlPreconditionTesting.git resolved at 2.2.2
Creating working copy for https://github.com/mattgallagher/CwlCatchException.git
Working copy of https://github.com/mattgallagher/CwlCatchException.git resolved at 2.2.1
warning: 'quick': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /host/spi-builder-workspace/.build/checkouts/Quick/Sources/Quick/Info.plist
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/7] Emitting module SHDateFormatter
/host/spi-builder-workspace/Source/SHDateFormatter/Classes/SHDateFormatter.swift:36:23: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'SHDateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 32 | }
 33 |
 34 | public struct SHDateFormatter {
    |               `- note: consider making struct 'SHDateFormatter' conform to the 'Sendable' protocol
 35 |
 36 |     public static let shared = SHDateFormatter()
    |                       |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'SHDateFormatter' 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
 37 |
 38 |     public static func is12hFormat(_ locale: Locale = Locale.current) -> Bool {
/host/spi-builder-workspace/Source/SHDateFormatter/Classes/SHDateFormatter.swift:45:16: warning: static property 'iso8601Formatter' is not concurrency-safe because non-'Sendable' type 'ISO8601DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 43 |
 44 |     static let formatter = DateFormatter()
 45 |     static let iso8601Formatter = ISO8601DateFormatter()
    |                |- warning: static property 'iso8601Formatter' is not concurrency-safe because non-'Sendable' type 'ISO8601DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: annotate 'iso8601Formatter' 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
 46 |     static let serialDispatchQueue = DispatchQueue(label: "com.dateFormatter.globalSerialDispatchQueue")
 47 |
Foundation.ISO8601DateFormatter:1:12: note: class 'ISO8601DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class ISO8601DateFormatter : Formatter, NSSecureCoding {
   |            `- note: class 'ISO8601DateFormatter' does not conform to the 'Sendable' protocol
 2 |     open var timeZone: TimeZone! { get set }
 3 |     open var formatOptions: ISO8601DateFormatter.Options { get set }
[4/7] Compiling SHDateFormatter SHDateFormatter+Extension.swift
[5/7] Compiling SHDateFormatter Date+Utils.swift
[6/7] Compiling SHDateFormatter TimeZone+Extensions.swift
[7/7] Compiling SHDateFormatter SHDateFormatter.swift
/host/spi-builder-workspace/Source/SHDateFormatter/Classes/SHDateFormatter.swift:36:23: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'SHDateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 32 | }
 33 |
 34 | public struct SHDateFormatter {
    |               `- note: consider making struct 'SHDateFormatter' conform to the 'Sendable' protocol
 35 |
 36 |     public static let shared = SHDateFormatter()
    |                       |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'SHDateFormatter' 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
 37 |
 38 |     public static func is12hFormat(_ locale: Locale = Locale.current) -> Bool {
/host/spi-builder-workspace/Source/SHDateFormatter/Classes/SHDateFormatter.swift:45:16: warning: static property 'iso8601Formatter' is not concurrency-safe because non-'Sendable' type 'ISO8601DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 43 |
 44 |     static let formatter = DateFormatter()
 45 |     static let iso8601Formatter = ISO8601DateFormatter()
    |                |- warning: static property 'iso8601Formatter' is not concurrency-safe because non-'Sendable' type 'ISO8601DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: annotate 'iso8601Formatter' 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
 46 |     static let serialDispatchQueue = DispatchQueue(label: "com.dateFormatter.globalSerialDispatchQueue")
 47 |
Foundation.ISO8601DateFormatter:1:12: note: class 'ISO8601DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class ISO8601DateFormatter : Formatter, NSSecureCoding {
   |            `- note: class 'ISO8601DateFormatter' does not conform to the 'Sendable' protocol
 2 |     open var timeZone: TimeZone! { get set }
 3 |     open var formatOptions: ISO8601DateFormatter.Options { get set }
/host/spi-builder-workspace/Source/SHDateFormatter/Classes/SHDateFormatter.swift:95:35: error: value of type 'DateFormatter' has no member 'formatterBehavior'
 93 |
 94 |     func reset() {
 95 |         SHDateFormatter.formatter.formatterBehavior = .default
    |                                   `- error: value of type 'DateFormatter' has no member 'formatterBehavior'
 96 |         SHDateFormatter.formatter.doesRelativeDateFormatting = false
 97 |         SHDateFormatter.formatter.dateFormat = nil
/host/spi-builder-workspace/Source/SHDateFormatter/Classes/SHDateFormatter.swift:95:56: error: cannot infer contextual base in reference to member 'default'
 93 |
 94 |     func reset() {
 95 |         SHDateFormatter.formatter.formatterBehavior = .default
    |                                                        `- error: cannot infer contextual base in reference to member 'default'
 96 |         SHDateFormatter.formatter.doesRelativeDateFormatting = false
 97 |         SHDateFormatter.formatter.dateFormat = nil
BUILD FAILURE 6.0 linux