RFC3339DateFormatter – Build Information

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 RFC3339DateFormatter with Swift 6.0 for Linux.

Swift 6 data race errors: 1

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
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Builder version: 4.40.0
Interrupt handler set up.
========================================
Checkout
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Clone URL: https://github.com/morishin/RFC3339DateFormatter.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/morishin/RFC3339DateFormatter
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 9399fcb Merge pull request #2 from morishin/bump-version-to-1.0.1
Cloned https://github.com/morishin/RFC3339DateFormatter.git
Revision (git rev-parse @):
9399fcb96d6e005c2f63f9bdefb62c7c1ff631e2
SUCCESS checkout https://github.com/morishin/RFC3339DateFormatter.git at master
========================================
Build
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Selected platform:         linux
Swift version:             6.0
Building package at path:  $workDir
https://github.com/morishin/RFC3339DateFormatter.git
Running build ...
bash -c docker run --rm -v "checkouts-4609320-0":/host -w "$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
[3/4] Emitting module RFC3339DateFormatter
/host/spi-builder-workspace/Sources/RFC3339DateFormatter/RFC3339DateFormatter.swift:22:24: warning: static property 'formatters' is not concurrency-safe because non-'Sendable' type '[DateFormatter]' may have shared mutable state; this is an error in the Swift 6 language mode
20 |     }
21 |
22 |     private static let formatters: [DateFormatter] = {
   |                        `- warning: static property 'formatters' is not concurrency-safe because non-'Sendable' type '[DateFormatter]' may have shared mutable state; this is an error in the Swift 6 language mode
23 |         let formats = [
24 |             "yyyy-MM-dd'T'HH:mm:ss.SSSZZZZZ",
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/RFC3339DateFormatter/RFC3339DateFormatter.swift:1:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 1 | import Foundation
   | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 2 |
 3 | // cf. RFC3339 Date/Time Format https://tools.ietf.org/html/rfc3339#page-8
   :
20 |     }
21 |
22 |     private static let formatters: [DateFormatter] = {
   |                        |- note: annotate 'formatters' 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
23 |         let formats = [
24 |             "yyyy-MM-dd'T'HH:mm:ss.SSSZZZZZ",
[4/4] Compiling RFC3339DateFormatter RFC3339DateFormatter.swift
/host/spi-builder-workspace/Sources/RFC3339DateFormatter/RFC3339DateFormatter.swift:22:24: warning: static property 'formatters' is not concurrency-safe because non-'Sendable' type '[DateFormatter]' may have shared mutable state; this is an error in the Swift 6 language mode
20 |     }
21 |
22 |     private static let formatters: [DateFormatter] = {
   |                        `- warning: static property 'formatters' is not concurrency-safe because non-'Sendable' type '[DateFormatter]' may have shared mutable state; this is an error in the Swift 6 language mode
23 |         let formats = [
24 |             "yyyy-MM-dd'T'HH:mm:ss.SSSZZZZZ",
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/RFC3339DateFormatter/RFC3339DateFormatter.swift:1:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 1 | import Foundation
   | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 2 |
 3 | // cf. RFC3339 Date/Time Format https://tools.ietf.org/html/rfc3339#page-8
   :
20 |     }
21 |
22 |     private static let formatters: [DateFormatter] = {
   |                        |- note: annotate 'formatters' 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
23 |         let formats = [
24 |             "yyyy-MM-dd'T'HH:mm:ss.SSSZZZZZ",
/host/spi-builder-workspace/Sources/RFC3339DateFormatter/RFC3339DateFormatter.swift:33:32: warning: 'flatMap' is deprecated: Please use compactMap(_:) for the case where closure returns an optional value
31 |
32 |     public static func date(from string: String) -> Date? {
33 |         return formatters.lazy.flatMap { $0.date(from: string) }.first
   |                                |- warning: 'flatMap' is deprecated: Please use compactMap(_:) for the case where closure returns an optional value
   |                                `- note: use 'compactMap(_:)' instead
34 |     }
35 |
Build complete! (10.46s)
Build complete.
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  "tools_version" : "4.0"
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Done.