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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

Successful build of Time, reference main (b652fe), with Swift 6.0 for Linux on 4 Nov 2024 17:16:27 UTC.

Swift 6 data race errors: 16

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/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/davedelong/time.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/davedelong/time
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at b652fe1 Add test for whole difference issue
Cloned https://github.com/davedelong/time.git
Revision (git rev-parse @):
b652fe17d13dca2ed5f3aa0209b309de4a10821d
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/davedelong/time.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/davedelong/time.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$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/apple/swift-docc-plugin
[1/2038] Fetching swift-docc-plugin
Fetched https://github.com/apple/swift-docc-plugin from cache (0.35s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.4.3 (0.47s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3153] Fetching swift-docc-symbolkit
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Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (0.45s)
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
Creating working copy for https://github.com/apple/swift-docc-plugin
Working copy of https://github.com/apple/swift-docc-plugin resolved at 1.4.3
[1/1] Compiling plugin Swift-DocC
[2/2] Compiling plugin Swift-DocC Preview
Building for debugging...
[2/4] Write sources
[3/4] Write swift-version-24593BA9C3E375BF.txt
[5/59] Emitting module Time
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:31:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Nanosecond>' may have shared mutable state; this is an error in the Swift 6 language mode
 29 |     @_documentation(visibility: internal)
 30 |     #endif
 31 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Nanosecond>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 32 |
 33 |     /// This type represents the `.nanosecond` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:42:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Second>' may have shared mutable state; this is an error in the Swift 6 language mode
 40 |     @_documentation(visibility: internal)
 41 |     #endif
 42 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Second>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 43 |
 44 |     /// This type represents the `.second` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:53:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Minute>' may have shared mutable state; this is an error in the Swift 6 language mode
 51 |     @_documentation(visibility: internal)
 52 |     #endif
 53 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Minute>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 54 |
 55 |     /// This type represents the `.minute` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:64:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Hour>' may have shared mutable state; this is an error in the Swift 6 language mode
 62 |     @_documentation(visibility: internal)
 63 |     #endif
 64 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Hour>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 65 |
 66 |     /// This type represents the `.hour` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:75:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Day>' may have shared mutable state; this is an error in the Swift 6 language mode
 73 |     @_documentation(visibility: internal)
 74 |     #endif
 75 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Day>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 76 |
 77 |     /// This type represents the `.day` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:86:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Month>' may have shared mutable state; this is an error in the Swift 6 language mode
 84 |     @_documentation(visibility: internal)
 85 |     #endif
 86 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Month>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 87 |
 88 |     /// This type represents the `.month` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:97:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Year>' may have shared mutable state; this is an error in the Swift 6 language mode
 95 |     @_documentation(visibility: internal)
 96 |     #endif
 97 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Year>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 98 |
 99 |     /// This type represents the `.year` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:108:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Era>' may have shared mutable state; this is an error in the Swift 6 language mode
106 |     @_documentation(visibility: internal)
107 |     #endif
108 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Era>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
109 |
110 |     /// This type represents the `.era` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:15:23: warning: static property 'full' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
13 |     ///
14 |     /// Example: `3:12:43 AM Central Standard Time`
15 |     public static let full = FixedFormatStyle(style: .full)
   |                       |- warning: static property 'full' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'full' 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
16 |
17 |     /// A verbose format style.
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:26:23: warning: static property 'long' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
24 |     ///
25 |     /// Example: `3:12:43 AM CST`
26 |     public static let long = FixedFormatStyle(style: .long)
   |                       |- warning: static property 'long' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'long' 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
27 |
28 |     /// A simple format style.
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:37:23: warning: static property 'medium' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
35 |     ///
36 |     /// Example: `3:12:43 AM`
37 |     public static let medium = FixedFormatStyle(style: .medium)
   |                       |- warning: static property 'medium' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'medium' 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
38 |
39 |     /// A terse format style.
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:48:23: warning: static property 'short' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
46 |     ///
47 |     /// Example: `3:12 AM`
48 |     public static let short = FixedFormatStyle(style: .short)
   |                       |- warning: static property 'short' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'short' 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
49 |
50 |     internal let style: DateFormatter.Style
/host/spi-builder-workspace/Sources/Time/Internals/DateFormatterCache.swift:37:16: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'DateFormatterCache' may have shared mutable state; this is an error in the Swift 6 language mode
33 | }
34 |
35 | private class DateFormatterCache {
   |               `- note: class 'DateFormatterCache' does not conform to the 'Sendable' protocol
36 |
37 |     static let shared = DateFormatterCache()
   |                |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'DateFormatterCache' 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
38 |
39 |     private let lock = NSLock()
/host/spi-builder-workspace/Sources/Time/Internals/SimpleCache.swift:4:24: warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<String, Locale>' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | extension Locale {
 4 |     private static let cache = SimpleCache<String, Locale>()
   |                        |- warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<String, Locale>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                        |- note: annotate 'cache' 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
 5 |
 6 |     static func standard(_ id: String) -> Locale {
   :
25 | }
26 |
27 | private class SimpleCache<Key: Hashable, T> {
   |               `- note: generic class 'SimpleCache' does not conform to the 'Sendable' protocol
28 |
29 |     private var storage = Dictionary<Key, T>()
/host/spi-builder-workspace/Sources/Time/Internals/SimpleCache.swift:12:24: warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<Calendar.Identifier, Calendar>' may have shared mutable state; this is an error in the Swift 6 language mode
10 |
11 | extension Calendar {
12 |     private static let cache = SimpleCache<Calendar.Identifier, Calendar>()
   |                        |- warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<Calendar.Identifier, Calendar>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                        |- note: annotate 'cache' 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
13 |
14 |     static func standard(_ id: Calendar.Identifier) -> Calendar {
   :
25 | }
26 |
27 | private class SimpleCache<Key: Hashable, T> {
   |               `- note: generic class 'SimpleCache' does not conform to the 'Sendable' protocol
28 |
29 |     private var storage = Dictionary<Key, T>()
/host/spi-builder-workspace/Sources/Time/Internals/SimpleCache.swift:20:24: warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<String, TimeZone>' may have shared mutable state; this is an error in the Swift 6 language mode
18 |
19 | extension TimeZone {
20 |     private static let cache = SimpleCache<String, TimeZone>()
   |                        |- warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<String, TimeZone>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                        |- note: annotate 'cache' 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
21 |
22 |     static func standard(_ id: String) -> TimeZone {
   :
25 | }
26 |
27 | private class SimpleCache<Key: Hashable, T> {
   |               `- note: generic class 'SimpleCache' does not conform to the 'Sendable' protocol
28 |
29 |     private var storage = Dictionary<Key, T>()
[6/66] Compiling Time Epoch.swift
[7/66] Compiling Time Instant.swift
[8/66] Compiling Time SISeconds.swift
[9/66] Compiling Time Relations+Fixed.swift
[10/66] Compiling Time Relations+Ranges.swift
[11/66] Compiling Time Relations.swift
[12/66] Compiling Time Fixed+Rounding.swift
[13/66] Compiling Time Region.swift
[14/66] Compiling Time TimeError.swift
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:31:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Nanosecond>' may have shared mutable state; this is an error in the Swift 6 language mode
 29 |     @_documentation(visibility: internal)
 30 |     #endif
 31 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Nanosecond>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 32 |
 33 |     /// This type represents the `.nanosecond` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:42:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Second>' may have shared mutable state; this is an error in the Swift 6 language mode
 40 |     @_documentation(visibility: internal)
 41 |     #endif
 42 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Second>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 43 |
 44 |     /// This type represents the `.second` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:53:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Minute>' may have shared mutable state; this is an error in the Swift 6 language mode
 51 |     @_documentation(visibility: internal)
 52 |     #endif
 53 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Minute>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 54 |
 55 |     /// This type represents the `.minute` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:64:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Hour>' may have shared mutable state; this is an error in the Swift 6 language mode
 62 |     @_documentation(visibility: internal)
 63 |     #endif
 64 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Hour>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 65 |
 66 |     /// This type represents the `.hour` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:75:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Day>' may have shared mutable state; this is an error in the Swift 6 language mode
 73 |     @_documentation(visibility: internal)
 74 |     #endif
 75 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Day>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 76 |
 77 |     /// This type represents the `.day` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:86:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Month>' may have shared mutable state; this is an error in the Swift 6 language mode
 84 |     @_documentation(visibility: internal)
 85 |     #endif
 86 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Month>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 87 |
 88 |     /// This type represents the `.month` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:97:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Year>' may have shared mutable state; this is an error in the Swift 6 language mode
 95 |     @_documentation(visibility: internal)
 96 |     #endif
 97 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Year>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 98 |
 99 |     /// This type represents the `.year` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:108:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Era>' may have shared mutable state; this is an error in the Swift 6 language mode
106 |     @_documentation(visibility: internal)
107 |     #endif
108 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Era>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
109 |
110 |     /// This type represents the `.era` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
[15/66] Compiling Time Units.swift
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:31:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Nanosecond>' may have shared mutable state; this is an error in the Swift 6 language mode
 29 |     @_documentation(visibility: internal)
 30 |     #endif
 31 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Nanosecond>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 32 |
 33 |     /// This type represents the `.nanosecond` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:42:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Second>' may have shared mutable state; this is an error in the Swift 6 language mode
 40 |     @_documentation(visibility: internal)
 41 |     #endif
 42 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Second>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 43 |
 44 |     /// This type represents the `.second` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:53:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Minute>' may have shared mutable state; this is an error in the Swift 6 language mode
 51 |     @_documentation(visibility: internal)
 52 |     #endif
 53 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Minute>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 54 |
 55 |     /// This type represents the `.minute` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:64:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Hour>' may have shared mutable state; this is an error in the Swift 6 language mode
 62 |     @_documentation(visibility: internal)
 63 |     #endif
 64 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Hour>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 65 |
 66 |     /// This type represents the `.hour` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:75:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Day>' may have shared mutable state; this is an error in the Swift 6 language mode
 73 |     @_documentation(visibility: internal)
 74 |     #endif
 75 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Day>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 76 |
 77 |     /// This type represents the `.day` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:86:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Month>' may have shared mutable state; this is an error in the Swift 6 language mode
 84 |     @_documentation(visibility: internal)
 85 |     #endif
 86 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Month>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 87 |
 88 |     /// This type represents the `.month` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:97:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Year>' may have shared mutable state; this is an error in the Swift 6 language mode
 95 |     @_documentation(visibility: internal)
 96 |     #endif
 97 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Year>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 98 |
 99 |     /// This type represents the `.year` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:108:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Era>' may have shared mutable state; this is an error in the Swift 6 language mode
106 |     @_documentation(visibility: internal)
107 |     #endif
108 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Era>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
109 |
110 |     /// This type represents the `.era` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
[16/66] Compiling Time Clocks.swift
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:31:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Nanosecond>' may have shared mutable state; this is an error in the Swift 6 language mode
 29 |     @_documentation(visibility: internal)
 30 |     #endif
 31 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Nanosecond>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 32 |
 33 |     /// This type represents the `.nanosecond` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:42:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Second>' may have shared mutable state; this is an error in the Swift 6 language mode
 40 |     @_documentation(visibility: internal)
 41 |     #endif
 42 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Second>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 43 |
 44 |     /// This type represents the `.second` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:53:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Minute>' may have shared mutable state; this is an error in the Swift 6 language mode
 51 |     @_documentation(visibility: internal)
 52 |     #endif
 53 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Minute>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 54 |
 55 |     /// This type represents the `.minute` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:64:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Hour>' may have shared mutable state; this is an error in the Swift 6 language mode
 62 |     @_documentation(visibility: internal)
 63 |     #endif
 64 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Hour>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 65 |
 66 |     /// This type represents the `.hour` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:75:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Day>' may have shared mutable state; this is an error in the Swift 6 language mode
 73 |     @_documentation(visibility: internal)
 74 |     #endif
 75 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Day>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 76 |
 77 |     /// This type represents the `.day` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:86:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Month>' may have shared mutable state; this is an error in the Swift 6 language mode
 84 |     @_documentation(visibility: internal)
 85 |     #endif
 86 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Month>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 87 |
 88 |     /// This type represents the `.month` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:97:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Year>' may have shared mutable state; this is an error in the Swift 6 language mode
 95 |     @_documentation(visibility: internal)
 96 |     #endif
 97 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Year>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 98 |
 99 |     /// This type represents the `.year` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:108:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Era>' may have shared mutable state; this is an error in the Swift 6 language mode
106 |     @_documentation(visibility: internal)
107 |     #endif
108 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Era>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
109 |
110 |     /// This type represents the `.era` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
[17/66] Compiling Time RegionalClock+CurrentValues.swift
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:31:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Nanosecond>' may have shared mutable state; this is an error in the Swift 6 language mode
 29 |     @_documentation(visibility: internal)
 30 |     #endif
 31 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Nanosecond>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 32 |
 33 |     /// This type represents the `.nanosecond` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:42:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Second>' may have shared mutable state; this is an error in the Swift 6 language mode
 40 |     @_documentation(visibility: internal)
 41 |     #endif
 42 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Second>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 43 |
 44 |     /// This type represents the `.second` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:53:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Minute>' may have shared mutable state; this is an error in the Swift 6 language mode
 51 |     @_documentation(visibility: internal)
 52 |     #endif
 53 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Minute>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 54 |
 55 |     /// This type represents the `.minute` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:64:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Hour>' may have shared mutable state; this is an error in the Swift 6 language mode
 62 |     @_documentation(visibility: internal)
 63 |     #endif
 64 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Hour>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 65 |
 66 |     /// This type represents the `.hour` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:75:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Day>' may have shared mutable state; this is an error in the Swift 6 language mode
 73 |     @_documentation(visibility: internal)
 74 |     #endif
 75 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Day>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 76 |
 77 |     /// This type represents the `.day` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:86:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Month>' may have shared mutable state; this is an error in the Swift 6 language mode
 84 |     @_documentation(visibility: internal)
 85 |     #endif
 86 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Month>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 87 |
 88 |     /// This type represents the `.month` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:97:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Year>' may have shared mutable state; this is an error in the Swift 6 language mode
 95 |     @_documentation(visibility: internal)
 96 |     #endif
 97 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Year>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 98 |
 99 |     /// This type represents the `.year` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:108:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Era>' may have shared mutable state; this is an error in the Swift 6 language mode
106 |     @_documentation(visibility: internal)
107 |     #endif
108 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Era>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
109 |
110 |     /// This type represents the `.era` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
[18/66] Compiling Time RegionalClock+Implementations.swift
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:31:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Nanosecond>' may have shared mutable state; this is an error in the Swift 6 language mode
 29 |     @_documentation(visibility: internal)
 30 |     #endif
 31 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Nanosecond>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 32 |
 33 |     /// This type represents the `.nanosecond` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:42:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Second>' may have shared mutable state; this is an error in the Swift 6 language mode
 40 |     @_documentation(visibility: internal)
 41 |     #endif
 42 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Second>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 43 |
 44 |     /// This type represents the `.second` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:53:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Minute>' may have shared mutable state; this is an error in the Swift 6 language mode
 51 |     @_documentation(visibility: internal)
 52 |     #endif
 53 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Minute>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 54 |
 55 |     /// This type represents the `.minute` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:64:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Hour>' may have shared mutable state; this is an error in the Swift 6 language mode
 62 |     @_documentation(visibility: internal)
 63 |     #endif
 64 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Hour>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 65 |
 66 |     /// This type represents the `.hour` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:75:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Day>' may have shared mutable state; this is an error in the Swift 6 language mode
 73 |     @_documentation(visibility: internal)
 74 |     #endif
 75 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Day>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 76 |
 77 |     /// This type represents the `.day` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:86:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Month>' may have shared mutable state; this is an error in the Swift 6 language mode
 84 |     @_documentation(visibility: internal)
 85 |     #endif
 86 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Month>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 87 |
 88 |     /// This type represents the `.month` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:97:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Year>' may have shared mutable state; this is an error in the Swift 6 language mode
 95 |     @_documentation(visibility: internal)
 96 |     #endif
 97 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Year>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 98 |
 99 |     /// This type represents the `.year` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:108:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Era>' may have shared mutable state; this is an error in the Swift 6 language mode
106 |     @_documentation(visibility: internal)
107 |     #endif
108 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Era>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
109 |
110 |     /// This type represents the `.era` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
[19/66] Compiling Time RegionalClock+Strikes.swift
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:31:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Nanosecond>' may have shared mutable state; this is an error in the Swift 6 language mode
 29 |     @_documentation(visibility: internal)
 30 |     #endif
 31 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Nanosecond>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 32 |
 33 |     /// This type represents the `.nanosecond` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:42:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Second>' may have shared mutable state; this is an error in the Swift 6 language mode
 40 |     @_documentation(visibility: internal)
 41 |     #endif
 42 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Second>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 43 |
 44 |     /// This type represents the `.second` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:53:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Minute>' may have shared mutable state; this is an error in the Swift 6 language mode
 51 |     @_documentation(visibility: internal)
 52 |     #endif
 53 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Minute>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 54 |
 55 |     /// This type represents the `.minute` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:64:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Hour>' may have shared mutable state; this is an error in the Swift 6 language mode
 62 |     @_documentation(visibility: internal)
 63 |     #endif
 64 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Hour>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 65 |
 66 |     /// This type represents the `.hour` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:75:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Day>' may have shared mutable state; this is an error in the Swift 6 language mode
 73 |     @_documentation(visibility: internal)
 74 |     #endif
 75 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Day>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 76 |
 77 |     /// This type represents the `.day` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:86:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Month>' may have shared mutable state; this is an error in the Swift 6 language mode
 84 |     @_documentation(visibility: internal)
 85 |     #endif
 86 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Month>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 87 |
 88 |     /// This type represents the `.month` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:97:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Year>' may have shared mutable state; this is an error in the Swift 6 language mode
 95 |     @_documentation(visibility: internal)
 96 |     #endif
 97 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Year>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 98 |
 99 |     /// This type represents the `.year` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:108:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Era>' may have shared mutable state; this is an error in the Swift 6 language mode
106 |     @_documentation(visibility: internal)
107 |     #endif
108 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Era>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
109 |
110 |     /// This type represents the `.era` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
[20/66] Compiling Time RegionalClock.swift
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:31:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Nanosecond>' may have shared mutable state; this is an error in the Swift 6 language mode
 29 |     @_documentation(visibility: internal)
 30 |     #endif
 31 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Nanosecond>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 32 |
 33 |     /// This type represents the `.nanosecond` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:42:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Second>' may have shared mutable state; this is an error in the Swift 6 language mode
 40 |     @_documentation(visibility: internal)
 41 |     #endif
 42 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Second>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 43 |
 44 |     /// This type represents the `.second` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:53:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Minute>' may have shared mutable state; this is an error in the Swift 6 language mode
 51 |     @_documentation(visibility: internal)
 52 |     #endif
 53 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Minute>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 54 |
 55 |     /// This type represents the `.minute` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:64:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Hour>' may have shared mutable state; this is an error in the Swift 6 language mode
 62 |     @_documentation(visibility: internal)
 63 |     #endif
 64 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Hour>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 65 |
 66 |     /// This type represents the `.hour` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:75:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Day>' may have shared mutable state; this is an error in the Swift 6 language mode
 73 |     @_documentation(visibility: internal)
 74 |     #endif
 75 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Day>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 76 |
 77 |     /// This type represents the `.day` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:86:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Month>' may have shared mutable state; this is an error in the Swift 6 language mode
 84 |     @_documentation(visibility: internal)
 85 |     #endif
 86 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Month>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 87 |
 88 |     /// This type represents the `.month` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:97:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Year>' may have shared mutable state; this is an error in the Swift 6 language mode
 95 |     @_documentation(visibility: internal)
 96 |     #endif
 97 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Year>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 98 |
 99 |     /// This type represents the `.year` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:108:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Era>' may have shared mutable state; this is an error in the Swift 6 language mode
106 |     @_documentation(visibility: internal)
107 |     #endif
108 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Era>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
109 |
110 |     /// This type represents the `.era` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
[21/66] Compiling Time Fixed+Codable.swift
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:31:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Nanosecond>' may have shared mutable state; this is an error in the Swift 6 language mode
 29 |     @_documentation(visibility: internal)
 30 |     #endif
 31 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Nanosecond>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 32 |
 33 |     /// This type represents the `.nanosecond` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:42:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Second>' may have shared mutable state; this is an error in the Swift 6 language mode
 40 |     @_documentation(visibility: internal)
 41 |     #endif
 42 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Second>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 43 |
 44 |     /// This type represents the `.second` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:53:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Minute>' may have shared mutable state; this is an error in the Swift 6 language mode
 51 |     @_documentation(visibility: internal)
 52 |     #endif
 53 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Minute>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 54 |
 55 |     /// This type represents the `.minute` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:64:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Hour>' may have shared mutable state; this is an error in the Swift 6 language mode
 62 |     @_documentation(visibility: internal)
 63 |     #endif
 64 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Hour>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 65 |
 66 |     /// This type represents the `.hour` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:75:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Day>' may have shared mutable state; this is an error in the Swift 6 language mode
 73 |     @_documentation(visibility: internal)
 74 |     #endif
 75 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Day>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 76 |
 77 |     /// This type represents the `.day` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:86:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Month>' may have shared mutable state; this is an error in the Swift 6 language mode
 84 |     @_documentation(visibility: internal)
 85 |     #endif
 86 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Month>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 87 |
 88 |     /// This type represents the `.month` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:97:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Year>' may have shared mutable state; this is an error in the Swift 6 language mode
 95 |     @_documentation(visibility: internal)
 96 |     #endif
 97 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Year>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
 98 |
 99 |     /// This type represents the `.year` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
/host/spi-builder-workspace/Sources/Time/2-Core Calendar/Units.swift:108:23: warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Era>' may have shared mutable state; this is an error in the Swift 6 language mode
106 |     @_documentation(visibility: internal)
107 |     #endif
108 |     public static let _closer: ProtocolCloser<Self> = ProtocolCloser()
    |                       |- warning: static property '_closer' is not concurrency-safe because non-'Sendable' type 'ProtocolCloser<Era>' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate '_closer' 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
109 |
110 |     /// This type represents the `.era` calendar component
    :
200 | @_documentation(visibility: internal)
201 | #endif
202 | public struct ProtocolCloser<U: Unit> {
    |               `- note: consider making generic struct 'ProtocolCloser' conform to the 'Sendable' protocol
203 |     fileprivate init() { }
204 | }
[22/66] Compiling Time DateFormatterCache.swift
/host/spi-builder-workspace/Sources/Time/Internals/DateFormatterCache.swift:37:16: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'DateFormatterCache' may have shared mutable state; this is an error in the Swift 6 language mode
33 | }
34 |
35 | private class DateFormatterCache {
   |               `- note: class 'DateFormatterCache' does not conform to the 'Sendable' protocol
36 |
37 |     static let shared = DateFormatterCache()
   |                |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'DateFormatterCache' 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
38 |
39 |     private let lock = NSLock()
/host/spi-builder-workspace/Sources/Time/Internals/SimpleCache.swift:4:24: warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<String, Locale>' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | extension Locale {
 4 |     private static let cache = SimpleCache<String, Locale>()
   |                        |- warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<String, Locale>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                        |- note: annotate 'cache' 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
 5 |
 6 |     static func standard(_ id: String) -> Locale {
   :
25 | }
26 |
27 | private class SimpleCache<Key: Hashable, T> {
   |               `- note: generic class 'SimpleCache' does not conform to the 'Sendable' protocol
28 |
29 |     private var storage = Dictionary<Key, T>()
/host/spi-builder-workspace/Sources/Time/Internals/SimpleCache.swift:12:24: warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<Calendar.Identifier, Calendar>' may have shared mutable state; this is an error in the Swift 6 language mode
10 |
11 | extension Calendar {
12 |     private static let cache = SimpleCache<Calendar.Identifier, Calendar>()
   |                        |- warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<Calendar.Identifier, Calendar>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                        |- note: annotate 'cache' 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
13 |
14 |     static func standard(_ id: Calendar.Identifier) -> Calendar {
   :
25 | }
26 |
27 | private class SimpleCache<Key: Hashable, T> {
   |               `- note: generic class 'SimpleCache' does not conform to the 'Sendable' protocol
28 |
29 |     private var storage = Dictionary<Key, T>()
/host/spi-builder-workspace/Sources/Time/Internals/SimpleCache.swift:20:24: warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<String, TimeZone>' may have shared mutable state; this is an error in the Swift 6 language mode
18 |
19 | extension TimeZone {
20 |     private static let cache = SimpleCache<String, TimeZone>()
   |                        |- warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<String, TimeZone>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                        |- note: annotate 'cache' 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
21 |
22 |     static func standard(_ id: String) -> TimeZone {
   :
25 | }
26 |
27 | private class SimpleCache<Key: Hashable, T> {
   |               `- note: generic class 'SimpleCache' does not conform to the 'Sendable' protocol
28 |
29 |     private var storage = Dictionary<Key, T>()
/host/spi-builder-workspace/Sources/Time/Internals/RegionalClock+Internal.swift:57:14: warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
55 |     internal func wait(until instant: Instant, tolerance: Instant.Duration?, strike: @escaping () -> Void) -> CancellationToken {
56 |         let token = CancellationToken()
57 |         Task {
   |              `- warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
58 |             do {
59 |                 try await self.sleep(until: instant, tolerance: tolerance, token: token)
60 |             } catch { }
61 |             if token.isCancelled == false { strike() }
   |                                             `- note: closure captures 'strike' which is accessible to code in the current task
62 |         }
63 |         return token
[23/66] Compiling Time Fixed+Internal.swift
/host/spi-builder-workspace/Sources/Time/Internals/DateFormatterCache.swift:37:16: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'DateFormatterCache' may have shared mutable state; this is an error in the Swift 6 language mode
33 | }
34 |
35 | private class DateFormatterCache {
   |               `- note: class 'DateFormatterCache' does not conform to the 'Sendable' protocol
36 |
37 |     static let shared = DateFormatterCache()
   |                |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'DateFormatterCache' 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
38 |
39 |     private let lock = NSLock()
/host/spi-builder-workspace/Sources/Time/Internals/SimpleCache.swift:4:24: warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<String, Locale>' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | extension Locale {
 4 |     private static let cache = SimpleCache<String, Locale>()
   |                        |- warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<String, Locale>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                        |- note: annotate 'cache' 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
 5 |
 6 |     static func standard(_ id: String) -> Locale {
   :
25 | }
26 |
27 | private class SimpleCache<Key: Hashable, T> {
   |               `- note: generic class 'SimpleCache' does not conform to the 'Sendable' protocol
28 |
29 |     private var storage = Dictionary<Key, T>()
/host/spi-builder-workspace/Sources/Time/Internals/SimpleCache.swift:12:24: warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<Calendar.Identifier, Calendar>' may have shared mutable state; this is an error in the Swift 6 language mode
10 |
11 | extension Calendar {
12 |     private static let cache = SimpleCache<Calendar.Identifier, Calendar>()
   |                        |- warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<Calendar.Identifier, Calendar>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                        |- note: annotate 'cache' 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
13 |
14 |     static func standard(_ id: Calendar.Identifier) -> Calendar {
   :
25 | }
26 |
27 | private class SimpleCache<Key: Hashable, T> {
   |               `- note: generic class 'SimpleCache' does not conform to the 'Sendable' protocol
28 |
29 |     private var storage = Dictionary<Key, T>()
/host/spi-builder-workspace/Sources/Time/Internals/SimpleCache.swift:20:24: warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<String, TimeZone>' may have shared mutable state; this is an error in the Swift 6 language mode
18 |
19 | extension TimeZone {
20 |     private static let cache = SimpleCache<String, TimeZone>()
   |                        |- warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<String, TimeZone>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                        |- note: annotate 'cache' 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
21 |
22 |     static func standard(_ id: String) -> TimeZone {
   :
25 | }
26 |
27 | private class SimpleCache<Key: Hashable, T> {
   |               `- note: generic class 'SimpleCache' does not conform to the 'Sendable' protocol
28 |
29 |     private var storage = Dictionary<Key, T>()
/host/spi-builder-workspace/Sources/Time/Internals/RegionalClock+Internal.swift:57:14: warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
55 |     internal func wait(until instant: Instant, tolerance: Instant.Duration?, strike: @escaping () -> Void) -> CancellationToken {
56 |         let token = CancellationToken()
57 |         Task {
   |              `- warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
58 |             do {
59 |                 try await self.sleep(until: instant, tolerance: tolerance, token: token)
60 |             } catch { }
61 |             if token.isCancelled == false { strike() }
   |                                             `- note: closure captures 'strike' which is accessible to code in the current task
62 |         }
63 |         return token
[24/66] Compiling Time Formatting.swift
/host/spi-builder-workspace/Sources/Time/Internals/DateFormatterCache.swift:37:16: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'DateFormatterCache' may have shared mutable state; this is an error in the Swift 6 language mode
33 | }
34 |
35 | private class DateFormatterCache {
   |               `- note: class 'DateFormatterCache' does not conform to the 'Sendable' protocol
36 |
37 |     static let shared = DateFormatterCache()
   |                |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'DateFormatterCache' 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
38 |
39 |     private let lock = NSLock()
/host/spi-builder-workspace/Sources/Time/Internals/SimpleCache.swift:4:24: warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<String, Locale>' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | extension Locale {
 4 |     private static let cache = SimpleCache<String, Locale>()
   |                        |- warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<String, Locale>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                        |- note: annotate 'cache' 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
 5 |
 6 |     static func standard(_ id: String) -> Locale {
   :
25 | }
26 |
27 | private class SimpleCache<Key: Hashable, T> {
   |               `- note: generic class 'SimpleCache' does not conform to the 'Sendable' protocol
28 |
29 |     private var storage = Dictionary<Key, T>()
/host/spi-builder-workspace/Sources/Time/Internals/SimpleCache.swift:12:24: warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<Calendar.Identifier, Calendar>' may have shared mutable state; this is an error in the Swift 6 language mode
10 |
11 | extension Calendar {
12 |     private static let cache = SimpleCache<Calendar.Identifier, Calendar>()
   |                        |- warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<Calendar.Identifier, Calendar>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                        |- note: annotate 'cache' 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
13 |
14 |     static func standard(_ id: Calendar.Identifier) -> Calendar {
   :
25 | }
26 |
27 | private class SimpleCache<Key: Hashable, T> {
   |               `- note: generic class 'SimpleCache' does not conform to the 'Sendable' protocol
28 |
29 |     private var storage = Dictionary<Key, T>()
/host/spi-builder-workspace/Sources/Time/Internals/SimpleCache.swift:20:24: warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<String, TimeZone>' may have shared mutable state; this is an error in the Swift 6 language mode
18 |
19 | extension TimeZone {
20 |     private static let cache = SimpleCache<String, TimeZone>()
   |                        |- warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<String, TimeZone>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                        |- note: annotate 'cache' 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
21 |
22 |     static func standard(_ id: String) -> TimeZone {
   :
25 | }
26 |
27 | private class SimpleCache<Key: Hashable, T> {
   |               `- note: generic class 'SimpleCache' does not conform to the 'Sendable' protocol
28 |
29 |     private var storage = Dictionary<Key, T>()
/host/spi-builder-workspace/Sources/Time/Internals/RegionalClock+Internal.swift:57:14: warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
55 |     internal func wait(until instant: Instant, tolerance: Instant.Duration?, strike: @escaping () -> Void) -> CancellationToken {
56 |         let token = CancellationToken()
57 |         Task {
   |              `- warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
58 |             do {
59 |                 try await self.sleep(until: instant, tolerance: tolerance, token: token)
60 |             } catch { }
61 |             if token.isCancelled == false { strike() }
   |                                             `- note: closure captures 'strike' which is accessible to code in the current task
62 |         }
63 |         return token
[25/66] Compiling Time ParsedFormat.swift
/host/spi-builder-workspace/Sources/Time/Internals/DateFormatterCache.swift:37:16: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'DateFormatterCache' may have shared mutable state; this is an error in the Swift 6 language mode
33 | }
34 |
35 | private class DateFormatterCache {
   |               `- note: class 'DateFormatterCache' does not conform to the 'Sendable' protocol
36 |
37 |     static let shared = DateFormatterCache()
   |                |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'DateFormatterCache' 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
38 |
39 |     private let lock = NSLock()
/host/spi-builder-workspace/Sources/Time/Internals/SimpleCache.swift:4:24: warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<String, Locale>' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | extension Locale {
 4 |     private static let cache = SimpleCache<String, Locale>()
   |                        |- warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<String, Locale>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                        |- note: annotate 'cache' 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
 5 |
 6 |     static func standard(_ id: String) -> Locale {
   :
25 | }
26 |
27 | private class SimpleCache<Key: Hashable, T> {
   |               `- note: generic class 'SimpleCache' does not conform to the 'Sendable' protocol
28 |
29 |     private var storage = Dictionary<Key, T>()
/host/spi-builder-workspace/Sources/Time/Internals/SimpleCache.swift:12:24: warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<Calendar.Identifier, Calendar>' may have shared mutable state; this is an error in the Swift 6 language mode
10 |
11 | extension Calendar {
12 |     private static let cache = SimpleCache<Calendar.Identifier, Calendar>()
   |                        |- warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<Calendar.Identifier, Calendar>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                        |- note: annotate 'cache' 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
13 |
14 |     static func standard(_ id: Calendar.Identifier) -> Calendar {
   :
25 | }
26 |
27 | private class SimpleCache<Key: Hashable, T> {
   |               `- note: generic class 'SimpleCache' does not conform to the 'Sendable' protocol
28 |
29 |     private var storage = Dictionary<Key, T>()
/host/spi-builder-workspace/Sources/Time/Internals/SimpleCache.swift:20:24: warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<String, TimeZone>' may have shared mutable state; this is an error in the Swift 6 language mode
18 |
19 | extension TimeZone {
20 |     private static let cache = SimpleCache<String, TimeZone>()
   |                        |- warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<String, TimeZone>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                        |- note: annotate 'cache' 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
21 |
22 |     static func standard(_ id: String) -> TimeZone {
   :
25 | }
26 |
27 | private class SimpleCache<Key: Hashable, T> {
   |               `- note: generic class 'SimpleCache' does not conform to the 'Sendable' protocol
28 |
29 |     private var storage = Dictionary<Key, T>()
/host/spi-builder-workspace/Sources/Time/Internals/RegionalClock+Internal.swift:57:14: warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
55 |     internal func wait(until instant: Instant, tolerance: Instant.Duration?, strike: @escaping () -> Void) -> CancellationToken {
56 |         let token = CancellationToken()
57 |         Task {
   |              `- warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
58 |             do {
59 |                 try await self.sleep(until: instant, tolerance: tolerance, token: token)
60 |             } catch { }
61 |             if token.isCancelled == false { strike() }
   |                                             `- note: closure captures 'strike' which is accessible to code in the current task
62 |         }
63 |         return token
[26/66] Compiling Time Region+Equivalence.swift
/host/spi-builder-workspace/Sources/Time/Internals/DateFormatterCache.swift:37:16: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'DateFormatterCache' may have shared mutable state; this is an error in the Swift 6 language mode
33 | }
34 |
35 | private class DateFormatterCache {
   |               `- note: class 'DateFormatterCache' does not conform to the 'Sendable' protocol
36 |
37 |     static let shared = DateFormatterCache()
   |                |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'DateFormatterCache' 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
38 |
39 |     private let lock = NSLock()
/host/spi-builder-workspace/Sources/Time/Internals/SimpleCache.swift:4:24: warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<String, Locale>' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | extension Locale {
 4 |     private static let cache = SimpleCache<String, Locale>()
   |                        |- warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<String, Locale>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                        |- note: annotate 'cache' 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
 5 |
 6 |     static func standard(_ id: String) -> Locale {
   :
25 | }
26 |
27 | private class SimpleCache<Key: Hashable, T> {
   |               `- note: generic class 'SimpleCache' does not conform to the 'Sendable' protocol
28 |
29 |     private var storage = Dictionary<Key, T>()
/host/spi-builder-workspace/Sources/Time/Internals/SimpleCache.swift:12:24: warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<Calendar.Identifier, Calendar>' may have shared mutable state; this is an error in the Swift 6 language mode
10 |
11 | extension Calendar {
12 |     private static let cache = SimpleCache<Calendar.Identifier, Calendar>()
   |                        |- warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<Calendar.Identifier, Calendar>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                        |- note: annotate 'cache' 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
13 |
14 |     static func standard(_ id: Calendar.Identifier) -> Calendar {
   :
25 | }
26 |
27 | private class SimpleCache<Key: Hashable, T> {
   |               `- note: generic class 'SimpleCache' does not conform to the 'Sendable' protocol
28 |
29 |     private var storage = Dictionary<Key, T>()
/host/spi-builder-workspace/Sources/Time/Internals/SimpleCache.swift:20:24: warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<String, TimeZone>' may have shared mutable state; this is an error in the Swift 6 language mode
18 |
19 | extension TimeZone {
20 |     private static let cache = SimpleCache<String, TimeZone>()
   |                        |- warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<String, TimeZone>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                        |- note: annotate 'cache' 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
21 |
22 |     static func standard(_ id: String) -> TimeZone {
   :
25 | }
26 |
27 | private class SimpleCache<Key: Hashable, T> {
   |               `- note: generic class 'SimpleCache' does not conform to the 'Sendable' protocol
28 |
29 |     private var storage = Dictionary<Key, T>()
/host/spi-builder-workspace/Sources/Time/Internals/RegionalClock+Internal.swift:57:14: warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
55 |     internal func wait(until instant: Instant, tolerance: Instant.Duration?, strike: @escaping () -> Void) -> CancellationToken {
56 |         let token = CancellationToken()
57 |         Task {
   |              `- warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
58 |             do {
59 |                 try await self.sleep(until: instant, tolerance: tolerance, token: token)
60 |             } catch { }
61 |             if token.isCancelled == false { strike() }
   |                                             `- note: closure captures 'strike' which is accessible to code in the current task
62 |         }
63 |         return token
[27/66] Compiling Time RegionalClock+Internal.swift
/host/spi-builder-workspace/Sources/Time/Internals/DateFormatterCache.swift:37:16: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'DateFormatterCache' may have shared mutable state; this is an error in the Swift 6 language mode
33 | }
34 |
35 | private class DateFormatterCache {
   |               `- note: class 'DateFormatterCache' does not conform to the 'Sendable' protocol
36 |
37 |     static let shared = DateFormatterCache()
   |                |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'DateFormatterCache' 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
38 |
39 |     private let lock = NSLock()
/host/spi-builder-workspace/Sources/Time/Internals/SimpleCache.swift:4:24: warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<String, Locale>' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | extension Locale {
 4 |     private static let cache = SimpleCache<String, Locale>()
   |                        |- warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<String, Locale>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                        |- note: annotate 'cache' 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
 5 |
 6 |     static func standard(_ id: String) -> Locale {
   :
25 | }
26 |
27 | private class SimpleCache<Key: Hashable, T> {
   |               `- note: generic class 'SimpleCache' does not conform to the 'Sendable' protocol
28 |
29 |     private var storage = Dictionary<Key, T>()
/host/spi-builder-workspace/Sources/Time/Internals/SimpleCache.swift:12:24: warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<Calendar.Identifier, Calendar>' may have shared mutable state; this is an error in the Swift 6 language mode
10 |
11 | extension Calendar {
12 |     private static let cache = SimpleCache<Calendar.Identifier, Calendar>()
   |                        |- warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<Calendar.Identifier, Calendar>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                        |- note: annotate 'cache' 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
13 |
14 |     static func standard(_ id: Calendar.Identifier) -> Calendar {
   :
25 | }
26 |
27 | private class SimpleCache<Key: Hashable, T> {
   |               `- note: generic class 'SimpleCache' does not conform to the 'Sendable' protocol
28 |
29 |     private var storage = Dictionary<Key, T>()
/host/spi-builder-workspace/Sources/Time/Internals/SimpleCache.swift:20:24: warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<String, TimeZone>' may have shared mutable state; this is an error in the Swift 6 language mode
18 |
19 | extension TimeZone {
20 |     private static let cache = SimpleCache<String, TimeZone>()
   |                        |- warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<String, TimeZone>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                        |- note: annotate 'cache' 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
21 |
22 |     static func standard(_ id: String) -> TimeZone {
   :
25 | }
26 |
27 | private class SimpleCache<Key: Hashable, T> {
   |               `- note: generic class 'SimpleCache' does not conform to the 'Sendable' protocol
28 |
29 |     private var storage = Dictionary<Key, T>()
/host/spi-builder-workspace/Sources/Time/Internals/RegionalClock+Internal.swift:57:14: warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
55 |     internal func wait(until instant: Instant, tolerance: Instant.Duration?, strike: @escaping () -> Void) -> CancellationToken {
56 |         let token = CancellationToken()
57 |         Task {
   |              `- warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
58 |             do {
59 |                 try await self.sleep(until: instant, tolerance: tolerance, token: token)
60 |             } catch { }
61 |             if token.isCancelled == false { strike() }
   |                                             `- note: closure captures 'strike' which is accessible to code in the current task
62 |         }
63 |         return token
[28/66] Compiling Time SimpleCache.swift
/host/spi-builder-workspace/Sources/Time/Internals/DateFormatterCache.swift:37:16: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'DateFormatterCache' may have shared mutable state; this is an error in the Swift 6 language mode
33 | }
34 |
35 | private class DateFormatterCache {
   |               `- note: class 'DateFormatterCache' does not conform to the 'Sendable' protocol
36 |
37 |     static let shared = DateFormatterCache()
   |                |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'DateFormatterCache' 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
38 |
39 |     private let lock = NSLock()
/host/spi-builder-workspace/Sources/Time/Internals/SimpleCache.swift:4:24: warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<String, Locale>' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | extension Locale {
 4 |     private static let cache = SimpleCache<String, Locale>()
   |                        |- warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<String, Locale>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                        |- note: annotate 'cache' 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
 5 |
 6 |     static func standard(_ id: String) -> Locale {
   :
25 | }
26 |
27 | private class SimpleCache<Key: Hashable, T> {
   |               `- note: generic class 'SimpleCache' does not conform to the 'Sendable' protocol
28 |
29 |     private var storage = Dictionary<Key, T>()
/host/spi-builder-workspace/Sources/Time/Internals/SimpleCache.swift:12:24: warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<Calendar.Identifier, Calendar>' may have shared mutable state; this is an error in the Swift 6 language mode
10 |
11 | extension Calendar {
12 |     private static let cache = SimpleCache<Calendar.Identifier, Calendar>()
   |                        |- warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<Calendar.Identifier, Calendar>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                        |- note: annotate 'cache' 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
13 |
14 |     static func standard(_ id: Calendar.Identifier) -> Calendar {
   :
25 | }
26 |
27 | private class SimpleCache<Key: Hashable, T> {
   |               `- note: generic class 'SimpleCache' does not conform to the 'Sendable' protocol
28 |
29 |     private var storage = Dictionary<Key, T>()
/host/spi-builder-workspace/Sources/Time/Internals/SimpleCache.swift:20:24: warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<String, TimeZone>' may have shared mutable state; this is an error in the Swift 6 language mode
18 |
19 | extension TimeZone {
20 |     private static let cache = SimpleCache<String, TimeZone>()
   |                        |- warning: static property 'cache' is not concurrency-safe because non-'Sendable' type 'SimpleCache<String, TimeZone>' may have shared mutable state; this is an error in the Swift 6 language mode
   |                        |- note: annotate 'cache' 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
21 |
22 |     static func standard(_ id: String) -> TimeZone {
   :
25 | }
26 |
27 | private class SimpleCache<Key: Hashable, T> {
   |               `- note: generic class 'SimpleCache' does not conform to the 'Sendable' protocol
28 |
29 |     private var storage = Dictionary<Key, T>()
/host/spi-builder-workspace/Sources/Time/Internals/RegionalClock+Internal.swift:57:14: warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
55 |     internal func wait(until instant: Instant, tolerance: Instant.Duration?, strike: @escaping () -> Void) -> CancellationToken {
56 |         let token = CancellationToken()
57 |         Task {
   |              `- warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
58 |             do {
59 |                 try await self.sleep(until: instant, tolerance: tolerance, token: token)
60 |             } catch { }
61 |             if token.isCancelled == false { strike() }
   |                                             `- note: closure captures 'strike' which is accessible to code in the current task
62 |         }
63 |         return token
[29/66] Compiling Time Fixed+Month.swift
[30/66] Compiling Time Fixed+Truncation.swift
[31/66] Compiling Time Fixed+Year.swift
[32/66] Compiling Time Fixed.swift
[33/66] Compiling Time Fixed+TimeDifference.swift
[34/66] Compiling Time TimeDifference+Invalid.swift
[35/66] Compiling Time TimeDifference.swift
[36/66] Compiling Time Fixed+SafeAdjustment.swift
[37/66] Compiling Time PartialFormatting-1Unit.swift
[38/66] Compiling Time PartialFormatting-2Units.swift
[39/66] Compiling Time PartialFormatting-3Units.swift
[40/66] Compiling Time PartialFormatting-4Units.swift
[41/66] Compiling Time PartialFormatting-Others.swift
[42/66] Compiling Time Fixed+Parsing.swift
[43/66] Compiling Time Assertions.swift
[44/66] Compiling Time Snapshot.swift
/host/spi-builder-workspace/Sources/Time/Internals/Time+Calendar.swift:117:17: warning: default will never be executed
115 |                 case .islamicTabular: return "islamic-tbla"
116 |                 case .islamicUmmAlQura: return "islamic-umalqura"
117 |                 default:
    |                 `- warning: default will never be executed
118 |                     let ctx = EncodingError.Context(codingPath: [], debugDescription: "Unknown calendar identifier: '\(self)'")
119 |                     throw TimeError.encodingError(EncodingError.invalidValue(self, ctx))
[45/66] Compiling Time Time+Calendar.swift
/host/spi-builder-workspace/Sources/Time/Internals/Time+Calendar.swift:117:17: warning: default will never be executed
115 |                 case .islamicTabular: return "islamic-tbla"
116 |                 case .islamicUmmAlQura: return "islamic-umalqura"
117 |                 default:
    |                 `- warning: default will never be executed
118 |                     let ctx = EncodingError.Context(codingPath: [], debugDescription: "Unknown calendar identifier: '\(self)'")
119 |                     throw TimeError.encodingError(EncodingError.invalidValue(self, ctx))
[46/66] Compiling Time Time+CalendarComponent.swift
/host/spi-builder-workspace/Sources/Time/Internals/Time+Calendar.swift:117:17: warning: default will never be executed
115 |                 case .islamicTabular: return "islamic-tbla"
116 |                 case .islamicUmmAlQura: return "islamic-umalqura"
117 |                 default:
    |                 `- warning: default will never be executed
118 |                     let ctx = EncodingError.Context(codingPath: [], debugDescription: "Unknown calendar identifier: '\(self)'")
119 |                     throw TimeError.encodingError(EncodingError.invalidValue(self, ctx))
[47/66] Compiling Time Time+DateComponents.swift
/host/spi-builder-workspace/Sources/Time/Internals/Time+Calendar.swift:117:17: warning: default will never be executed
115 |                 case .islamicTabular: return "islamic-tbla"
116 |                 case .islamicUmmAlQura: return "islamic-umalqura"
117 |                 default:
    |                 `- warning: default will never be executed
118 |                     let ctx = EncodingError.Context(codingPath: [], debugDescription: "Unknown calendar identifier: '\(self)'")
119 |                     throw TimeError.encodingError(EncodingError.invalidValue(self, ctx))
[48/66] Compiling Time Time+Duration.swift
/host/spi-builder-workspace/Sources/Time/Internals/Time+Calendar.swift:117:17: warning: default will never be executed
115 |                 case .islamicTabular: return "islamic-tbla"
116 |                 case .islamicUmmAlQura: return "islamic-umalqura"
117 |                 default:
    |                 `- warning: default will never be executed
118 |                     let ctx = EncodingError.Context(codingPath: [], debugDescription: "Unknown calendar identifier: '\(self)'")
119 |                     throw TimeError.encodingError(EncodingError.invalidValue(self, ctx))
[49/66] Compiling Time Time+Locale.swift
/host/spi-builder-workspace/Sources/Time/Internals/Time+Calendar.swift:117:17: warning: default will never be executed
115 |                 case .islamicTabular: return "islamic-tbla"
116 |                 case .islamicUmmAlQura: return "islamic-umalqura"
117 |                 default:
    |                 `- warning: default will never be executed
118 |                     let ctx = EncodingError.Context(codingPath: [], debugDescription: "Unknown calendar identifier: '\(self)'")
119 |                     throw TimeError.encodingError(EncodingError.invalidValue(self, ctx))
[50/66] Compiling Time Time+TimeZone.swift
/host/spi-builder-workspace/Sources/Time/Internals/Time+Calendar.swift:117:17: warning: default will never be executed
115 |                 case .islamicTabular: return "islamic-tbla"
116 |                 case .islamicUmmAlQura: return "islamic-umalqura"
117 |                 default:
    |                 `- warning: default will never be executed
118 |                     let ctx = EncodingError.Context(codingPath: [], debugDescription: "Unknown calendar identifier: '\(self)'")
119 |                     throw TimeError.encodingError(EncodingError.invalidValue(self, ctx))
[51/66] Compiling Time Fixed+Components.swift
[52/66] Compiling Time Fixed+Conversion.swift
[53/66] Compiling Time Fixed+Day.swift
[54/66] Compiling Time Fixed+Equatable.swift
[55/66] Compiling Time Fixed+Era.swift
[56/66] Compiling Time Fixed+Hour.swift
[57/66] Compiling Time Fixed+Initializers.swift
[58/66] Compiling Time Fixed+Minute.swift
[59/66] Compiling Time Fixed+UnsafeAdjustment.swift
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:15:23: warning: static property 'full' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
13 |     ///
14 |     /// Example: `3:12:43 AM Central Standard Time`
15 |     public static let full = FixedFormatStyle(style: .full)
   |                       |- warning: static property 'full' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'full' 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
16 |
17 |     /// A verbose format style.
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:26:23: warning: static property 'long' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
24 |     ///
25 |     /// Example: `3:12:43 AM CST`
26 |     public static let long = FixedFormatStyle(style: .long)
   |                       |- warning: static property 'long' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'long' 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
27 |
28 |     /// A simple format style.
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:37:23: warning: static property 'medium' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
35 |     ///
36 |     /// Example: `3:12:43 AM`
37 |     public static let medium = FixedFormatStyle(style: .medium)
   |                       |- warning: static property 'medium' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'medium' 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
38 |
39 |     /// A terse format style.
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:48:23: warning: static property 'short' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
46 |     ///
47 |     /// Example: `3:12 AM`
48 |     public static let short = FixedFormatStyle(style: .short)
   |                       |- warning: static property 'short' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'short' 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
49 |
50 |     internal let style: DateFormatter.Style
[60/66] Compiling Time Fixed+BoundaryAlignedSequence.swift
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:15:23: warning: static property 'full' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
13 |     ///
14 |     /// Example: `3:12:43 AM Central Standard Time`
15 |     public static let full = FixedFormatStyle(style: .full)
   |                       |- warning: static property 'full' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'full' 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
16 |
17 |     /// A verbose format style.
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:26:23: warning: static property 'long' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
24 |     ///
25 |     /// Example: `3:12:43 AM CST`
26 |     public static let long = FixedFormatStyle(style: .long)
   |                       |- warning: static property 'long' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'long' 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
27 |
28 |     /// A simple format style.
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:37:23: warning: static property 'medium' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
35 |     ///
36 |     /// Example: `3:12:43 AM`
37 |     public static let medium = FixedFormatStyle(style: .medium)
   |                       |- warning: static property 'medium' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'medium' 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
38 |
39 |     /// A terse format style.
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:48:23: warning: static property 'short' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
46 |     ///
47 |     /// Example: `3:12 AM`
48 |     public static let short = FixedFormatStyle(style: .short)
   |                       |- warning: static property 'short' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'short' 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
49 |
50 |     internal let style: DateFormatter.Style
[61/66] Compiling Time Fixed+Sequence.swift
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:15:23: warning: static property 'full' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
13 |     ///
14 |     /// Example: `3:12:43 AM Central Standard Time`
15 |     public static let full = FixedFormatStyle(style: .full)
   |                       |- warning: static property 'full' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'full' 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
16 |
17 |     /// A verbose format style.
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:26:23: warning: static property 'long' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
24 |     ///
25 |     /// Example: `3:12:43 AM CST`
26 |     public static let long = FixedFormatStyle(style: .long)
   |                       |- warning: static property 'long' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'long' 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
27 |
28 |     /// A simple format style.
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:37:23: warning: static property 'medium' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
35 |     ///
36 |     /// Example: `3:12:43 AM`
37 |     public static let medium = FixedFormatStyle(style: .medium)
   |                       |- warning: static property 'medium' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'medium' 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
38 |
39 |     /// A terse format style.
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:48:23: warning: static property 'short' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
46 |     ///
47 |     /// Example: `3:12 AM`
48 |     public static let short = FixedFormatStyle(style: .short)
   |                       |- warning: static property 'short' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'short' 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
49 |
50 |     internal let style: DateFormatter.Style
[62/66] Compiling Time Fixed+FormatRaw.swift
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:15:23: warning: static property 'full' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
13 |     ///
14 |     /// Example: `3:12:43 AM Central Standard Time`
15 |     public static let full = FixedFormatStyle(style: .full)
   |                       |- warning: static property 'full' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'full' 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
16 |
17 |     /// A verbose format style.
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:26:23: warning: static property 'long' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
24 |     ///
25 |     /// Example: `3:12:43 AM CST`
26 |     public static let long = FixedFormatStyle(style: .long)
   |                       |- warning: static property 'long' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'long' 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
27 |
28 |     /// A simple format style.
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:37:23: warning: static property 'medium' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
35 |     ///
36 |     /// Example: `3:12:43 AM`
37 |     public static let medium = FixedFormatStyle(style: .medium)
   |                       |- warning: static property 'medium' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'medium' 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
38 |
39 |     /// A terse format style.
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:48:23: warning: static property 'short' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
46 |     ///
47 |     /// Example: `3:12 AM`
48 |     public static let short = FixedFormatStyle(style: .short)
   |                       |- warning: static property 'short' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'short' 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
49 |
50 |     internal let style: DateFormatter.Style
[63/66] Compiling Time Fixed+FormatStyle.swift
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:15:23: warning: static property 'full' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
13 |     ///
14 |     /// Example: `3:12:43 AM Central Standard Time`
15 |     public static let full = FixedFormatStyle(style: .full)
   |                       |- warning: static property 'full' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'full' 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
16 |
17 |     /// A verbose format style.
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:26:23: warning: static property 'long' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
24 |     ///
25 |     /// Example: `3:12:43 AM CST`
26 |     public static let long = FixedFormatStyle(style: .long)
   |                       |- warning: static property 'long' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'long' 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
27 |
28 |     /// A simple format style.
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:37:23: warning: static property 'medium' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
35 |     ///
36 |     /// Example: `3:12:43 AM`
37 |     public static let medium = FixedFormatStyle(style: .medium)
   |                       |- warning: static property 'medium' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'medium' 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
38 |
39 |     /// A terse format style.
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:48:23: warning: static property 'short' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
46 |     ///
47 |     /// Example: `3:12 AM`
48 |     public static let short = FixedFormatStyle(style: .short)
   |                       |- warning: static property 'short' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'short' 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
49 |
50 |     internal let style: DateFormatter.Style
[64/66] Compiling Time Fixed+FormatTemplate.swift
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:15:23: warning: static property 'full' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
13 |     ///
14 |     /// Example: `3:12:43 AM Central Standard Time`
15 |     public static let full = FixedFormatStyle(style: .full)
   |                       |- warning: static property 'full' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'full' 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
16 |
17 |     /// A verbose format style.
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:26:23: warning: static property 'long' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
24 |     ///
25 |     /// Example: `3:12:43 AM CST`
26 |     public static let long = FixedFormatStyle(style: .long)
   |                       |- warning: static property 'long' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'long' 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
27 |
28 |     /// A simple format style.
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:37:23: warning: static property 'medium' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
35 |     ///
36 |     /// Example: `3:12:43 AM`
37 |     public static let medium = FixedFormatStyle(style: .medium)
   |                       |- warning: static property 'medium' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'medium' 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
38 |
39 |     /// A terse format style.
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:48:23: warning: static property 'short' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
46 |     ///
47 |     /// Example: `3:12 AM`
48 |     public static let short = FixedFormatStyle(style: .short)
   |                       |- warning: static property 'short' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'short' 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
49 |
50 |     internal let style: DateFormatter.Style
[65/66] Compiling Time FixedFormat.swift
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:15:23: warning: static property 'full' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
13 |     ///
14 |     /// Example: `3:12:43 AM Central Standard Time`
15 |     public static let full = FixedFormatStyle(style: .full)
   |                       |- warning: static property 'full' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'full' 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
16 |
17 |     /// A verbose format style.
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:26:23: warning: static property 'long' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
24 |     ///
25 |     /// Example: `3:12:43 AM CST`
26 |     public static let long = FixedFormatStyle(style: .long)
   |                       |- warning: static property 'long' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'long' 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
27 |
28 |     /// A simple format style.
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:37:23: warning: static property 'medium' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
35 |     ///
36 |     /// Example: `3:12:43 AM`
37 |     public static let medium = FixedFormatStyle(style: .medium)
   |                       |- warning: static property 'medium' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'medium' 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
38 |
39 |     /// A terse format style.
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:48:23: warning: static property 'short' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
46 |     ///
47 |     /// Example: `3:12 AM`
48 |     public static let short = FixedFormatStyle(style: .short)
   |                       |- warning: static property 'short' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'short' 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
49 |
50 |     internal let style: DateFormatter.Style
[66/66] Compiling Time FormatTemplates.swift
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:15:23: warning: static property 'full' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
13 |     ///
14 |     /// Example: `3:12:43 AM Central Standard Time`
15 |     public static let full = FixedFormatStyle(style: .full)
   |                       |- warning: static property 'full' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'full' 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
16 |
17 |     /// A verbose format style.
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:26:23: warning: static property 'long' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
24 |     ///
25 |     /// Example: `3:12:43 AM CST`
26 |     public static let long = FixedFormatStyle(style: .long)
   |                       |- warning: static property 'long' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'long' 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
27 |
28 |     /// A simple format style.
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:37:23: warning: static property 'medium' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
35 |     ///
36 |     /// Example: `3:12:43 AM`
37 |     public static let medium = FixedFormatStyle(style: .medium)
   |                       |- warning: static property 'medium' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'medium' 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
38 |
39 |     /// A terse format style.
/host/spi-builder-workspace/Sources/Time/8-Formatting/Fixed+FormatStyle.swift:48:23: warning: static property 'short' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
 2 |
 3 | /// A convenient way to specify general formats for fixed values.
 4 | public struct FixedFormatStyle: Hashable {
   |               `- note: consider making struct 'FixedFormatStyle' conform to the 'Sendable' protocol
 5 |
 6 |     /// An extremely verbose format style.
   :
46 |     ///
47 |     /// Example: `3:12 AM`
48 |     public static let short = FixedFormatStyle(style: .short)
   |                       |- warning: static property 'short' is not concurrency-safe because non-'Sendable' type 'FixedFormatStyle' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'short' 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
49 |
50 |     internal let style: DateFormatter.Style
Build complete! (30.27s)
Build complete.
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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
Done.