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Build Information

Successful build of SwiftSMTP with Swift 6.0 for Linux.

Swift 6 data race errors: 3

Build Command

bash -c docker run --rm -v "checkouts-4609320-0":/host -w "$workDir" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.40.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Kitura/Swift-SMTP.git
Reference: master
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/Kitura/Swift-SMTP
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 0501eae Update CI (#127)
Cloned https://github.com/Kitura/Swift-SMTP.git
Revision (git rev-parse @):
0501eae561a4331b9d4328acd52091eb9fcb989e
SUCCESS checkout https://github.com/Kitura/Swift-SMTP.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $workDir
https://github.com/Kitura/Swift-SMTP.git
Running build ...
bash -c docker run --rm -v "checkouts-4609320-0":/host -w "$workDir" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete 2>&1
Fetching https://github.com/Kitura/LoggerAPI.git
Fetching https://github.com/Kitura/BlueCryptor.git
Fetching https://github.com/Kitura/BlueSocket.git
Fetching https://github.com/Kitura/BlueSSLService.git
[1/771] Fetching loggerapi
[179/3713] Fetching loggerapi, bluesocket
[238/5801] Fetching loggerapi, bluesocket, bluesslservice
[339/7453] Fetching loggerapi, bluesocket, bluesslservice, bluecryptor
Fetched https://github.com/Kitura/BlueSocket.git from cache (0.39s)
Fetched https://github.com/Kitura/BlueSSLService.git from cache (0.39s)
Fetched https://github.com/Kitura/BlueCryptor.git from cache (0.39s)
Fetched https://github.com/Kitura/LoggerAPI.git from cache (0.40s)
Computing version for https://github.com/Kitura/LoggerAPI.git
Computed https://github.com/Kitura/LoggerAPI.git at 1.9.200 (0.52s)
Fetching https://github.com/apple/swift-log.git
[1/3353] Fetching swift-log
Fetched https://github.com/apple/swift-log.git from cache (0.43s)
Computing version for https://github.com/Kitura/BlueCryptor.git
Computed https://github.com/Kitura/BlueCryptor.git at 2.0.2 (0.51s)
Fetching https://github.com/Kitura/OpenSSL.git
[1/203] Fetching openssl
Fetched https://github.com/Kitura/OpenSSL.git from cache (0.23s)
Computing version for https://github.com/Kitura/BlueSSLService.git
Computed https://github.com/Kitura/BlueSSLService.git at 2.0.2 (0.52s)
Computing version for https://github.com/Kitura/OpenSSL.git
Computed https://github.com/Kitura/OpenSSL.git at 2.3.1 (1.37s)
Computing version for https://github.com/Kitura/BlueSocket.git
Computed https://github.com/Kitura/BlueSocket.git at 2.0.4 (0.51s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.5.4 (0.53s)
Creating working copy for https://github.com/Kitura/LoggerAPI.git
Working copy of https://github.com/Kitura/LoggerAPI.git resolved at 1.9.200
Creating working copy for https://github.com/Kitura/BlueSSLService.git
Working copy of https://github.com/Kitura/BlueSSLService.git resolved at 2.0.2
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.5.4
Creating working copy for https://github.com/Kitura/BlueCryptor.git
Working copy of https://github.com/Kitura/BlueCryptor.git resolved at 2.0.2
Creating working copy for https://github.com/Kitura/OpenSSL.git
Working copy of https://github.com/Kitura/OpenSSL.git resolved at 2.3.1
Creating working copy for https://github.com/Kitura/BlueSocket.git
Working copy of https://github.com/Kitura/BlueSocket.git resolved at 2.0.4
Building for debugging...
[0/7] Write sources
[6/7] Write swift-version-24593BA9C3E375BF.txt
[8/29] Emitting module Logging
[9/29] Compiling Logging Locks.swift
[10/29] Compiling Logging MetadataProvider.swift
[11/29] Compiling Logging LogHandler.swift
[12/29] Compiling Logging Logging.swift
[14/32] Emitting module Socket
[15/32] Emitting module LoggerAPI
[16/32] Compiling Cryptor Updatable.swift
[17/33] Compiling Cryptor Status.swift
[18/33] Compiling Cryptor KeyDerivation.swift
[19/33] Compiling Cryptor Random.swift
[20/33] Compiling Cryptor StreamCryptor.swift
[21/33] Compiling Cryptor SSLPointerTricks.swift
[22/33] Compiling Cryptor Crypto.swift
[23/33] Compiling Cryptor Cryptor.swift
[24/33] Emitting module Cryptor
[25/33] Compiling Cryptor Digest.swift
[26/33] Compiling Cryptor HMAC.swift
[27/33] Compiling LoggerAPI Logger.swift
[28/34] Compiling Socket Socket+Equatable.swift
[30/34] Compiling Cryptor Utilities.swift
[32/35] Compiling Socket Socket+Hashable.swift
[33/35] Compiling Socket SocketProtocols.swift
[34/35] Compiling Socket Socket.swift
[35/35] Compiling Socket SocketUtils.swift
[37/39] Compiling SSLService SSLPointerTricks.swift
[38/39] Compiling SSLService SSLService.swift
[39/39] Emitting module SSLService
[41/53] Compiling SwiftSMTP SMTPError.swift
[42/53] Compiling SwiftSMTP Response.swift
[43/53] Compiling SwiftSMTP SMTP.swift
[44/53] Compiling SwiftSMTP SMTPSocket.swift
[45/54] Compiling SwiftSMTP TLSConfiguration.swift
[46/54] Compiling SwiftSMTP Common.swift
/host/spi-builder-workspace/Sources/SwiftSMTP/Common.swift:24:5: warning: let 'cache' is not concurrency-safe because non-'Sendable' type 'NSCache<AnyObject, AnyObject>' may have shared mutable state; this is an error in the Swift 6 language mode
22 | }
23 |
24 | let cache = NSCache<AnyObject, AnyObject>()
   |     `- warning: let 'cache' is not concurrency-safe because non-'Sendable' type 'NSCache<AnyObject, AnyObject>' may have shared mutable state; this is an error in the Swift 6 language mode
25 | let CRLF = "\r\n"
26 |
Foundation.NSCache:1:12: note: generic class 'NSCache' does not conform to the 'Sendable' protocol
 1 | open class NSCache<KeyType, ObjectType> : NSObject where KeyType : AnyObject, ObjectType : AnyObject {
   |            `- note: generic class 'NSCache' does not conform to the 'Sendable' protocol
 2 |     open var name: String
 3 |     open var totalCostLimit: Int
/host/spi-builder-workspace/Sources/SwiftSMTP/Common.swift:17:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
15 |  **/
16 |
17 | import Foundation
   | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
18 |
19 | enum Result<T, Error> {
   :
22 | }
23 |
24 | let cache = NSCache<AnyObject, AnyObject>()
   |     |- 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
25 | let CRLF = "\r\n"
26 |
[47/54] Compiling SwiftSMTP DataSender.swift
/host/spi-builder-workspace/Sources/SwiftSMTP/Common.swift:24:5: warning: let 'cache' is not concurrency-safe because non-'Sendable' type 'NSCache<AnyObject, AnyObject>' may have shared mutable state; this is an error in the Swift 6 language mode
22 | }
23 |
24 | let cache = NSCache<AnyObject, AnyObject>()
   |     `- warning: let 'cache' is not concurrency-safe because non-'Sendable' type 'NSCache<AnyObject, AnyObject>' may have shared mutable state; this is an error in the Swift 6 language mode
25 | let CRLF = "\r\n"
26 |
Foundation.NSCache:1:12: note: generic class 'NSCache' does not conform to the 'Sendable' protocol
 1 | open class NSCache<KeyType, ObjectType> : NSObject where KeyType : AnyObject, ObjectType : AnyObject {
   |            `- note: generic class 'NSCache' does not conform to the 'Sendable' protocol
 2 |     open var name: String
 3 |     open var totalCostLimit: Int
/host/spi-builder-workspace/Sources/SwiftSMTP/Common.swift:17:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
15 |  **/
16 |
17 | import Foundation
   | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
18 |
19 | enum Result<T, Error> {
   :
22 | }
23 |
24 | let cache = NSCache<AnyObject, AnyObject>()
   |     |- 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
25 | let CRLF = "\r\n"
26 |
[48/54] Compiling SwiftSMTP AuthMethod.swift
[49/54] Compiling SwiftSMTP Command.swift
[50/54] Emitting module SwiftSMTP
/host/spi-builder-workspace/Sources/SwiftSMTP/Common.swift:24:5: warning: let 'cache' is not concurrency-safe because non-'Sendable' type 'NSCache<AnyObject, AnyObject>' may have shared mutable state; this is an error in the Swift 6 language mode
22 | }
23 |
24 | let cache = NSCache<AnyObject, AnyObject>()
   |     `- warning: let 'cache' is not concurrency-safe because non-'Sendable' type 'NSCache<AnyObject, AnyObject>' may have shared mutable state; this is an error in the Swift 6 language mode
25 | let CRLF = "\r\n"
26 |
Foundation.NSCache:1:12: note: generic class 'NSCache' does not conform to the 'Sendable' protocol
 1 | open class NSCache<KeyType, ObjectType> : NSObject where KeyType : AnyObject, ObjectType : AnyObject {
   |            `- note: generic class 'NSCache' does not conform to the 'Sendable' protocol
 2 |     open var name: String
 3 |     open var totalCostLimit: Int
/host/spi-builder-workspace/Sources/SwiftSMTP/Common.swift:17:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
15 |  **/
16 |
17 | import Foundation
   | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
18 |
19 | enum Result<T, Error> {
   :
22 | }
23 |
24 | let cache = NSCache<AnyObject, AnyObject>()
   |     |- 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
25 | let CRLF = "\r\n"
26 |
/host/spi-builder-workspace/Sources/SwiftSMTP/Mail.swift:187:16: warning: static property 'smtpDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
185 |
186 | extension DateFormatter {
187 |     static let smtpDateFormatter: DateFormatter = {
    |                `- warning: static property 'smtpDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
188 |         let formatter = DateFormatter()
189 |         formatter.dateFormat = "EEE, d MMM yyyy HH:mm:ss ZZZ"
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/SwiftSMTP/Mail.swift:17:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 15 |  **/
 16 |
 17 | import Foundation
    | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 18 |
 19 | /// Represents an email that can be sent through an `SMTP` instance.
    :
185 |
186 | extension DateFormatter {
187 |     static let smtpDateFormatter: DateFormatter = {
    |                |- note: annotate 'smtpDateFormatter' 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
188 |         let formatter = DateFormatter()
189 |         formatter.dateFormat = "EEE, d MMM yyyy HH:mm:ss ZZZ"
/host/spi-builder-workspace/Sources/SwiftSMTP/MailSender.swift:137:16: warning: static property 'emailRegex' is not concurrency-safe because non-'Sendable' type 'NSRegularExpression?' may have shared mutable state; this is an error in the Swift 6 language mode
135 |
136 | private extension NSRegularExpression {
137 |     static let emailRegex = try? NSRegularExpression(pattern: "^[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,64}")
    |                `- warning: static property 'emailRegex' is not concurrency-safe because non-'Sendable' type 'NSRegularExpression?' may have shared mutable state; this is an error in the Swift 6 language mode
138 | }
139 |
Foundation.NSRegularExpression:1:12: note: class 'NSRegularExpression' does not conform to the 'Sendable' protocol
 1 | open class NSRegularExpression : NSObject, NSCopying, NSSecureCoding {
   |            `- note: class 'NSRegularExpression' does not conform to the 'Sendable' protocol
 2 |     override open func copy() -> Any
 3 |     open func copy(with zone: NSZone? = nil) -> Any
/host/spi-builder-workspace/Sources/SwiftSMTP/MailSender.swift:17:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 15 |  **/
 16 |
 17 | import Foundation
    | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 18 |
 19 | #if os(Linux)
    :
135 |
136 | private extension NSRegularExpression {
137 |     static let emailRegex = try? NSRegularExpression(pattern: "^[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,64}")
    |                |- note: annotate 'emailRegex' 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
138 | }
139 |
[51/54] Compiling SwiftSMTP Mail.swift
/host/spi-builder-workspace/Sources/SwiftSMTP/Mail.swift:187:16: warning: static property 'smtpDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
185 |
186 | extension DateFormatter {
187 |     static let smtpDateFormatter: DateFormatter = {
    |                `- warning: static property 'smtpDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
188 |         let formatter = DateFormatter()
189 |         formatter.dateFormat = "EEE, d MMM yyyy HH:mm:ss ZZZ"
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/SwiftSMTP/Mail.swift:17:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 15 |  **/
 16 |
 17 | import Foundation
    | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 18 |
 19 | /// Represents an email that can be sent through an `SMTP` instance.
    :
185 |
186 | extension DateFormatter {
187 |     static let smtpDateFormatter: DateFormatter = {
    |                |- note: annotate 'smtpDateFormatter' 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
188 |         let formatter = DateFormatter()
189 |         formatter.dateFormat = "EEE, d MMM yyyy HH:mm:ss ZZZ"
/host/spi-builder-workspace/Sources/SwiftSMTP/MailSender.swift:137:16: warning: static property 'emailRegex' is not concurrency-safe because non-'Sendable' type 'NSRegularExpression?' may have shared mutable state; this is an error in the Swift 6 language mode
135 |
136 | private extension NSRegularExpression {
137 |     static let emailRegex = try? NSRegularExpression(pattern: "^[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,64}")
    |                `- warning: static property 'emailRegex' is not concurrency-safe because non-'Sendable' type 'NSRegularExpression?' may have shared mutable state; this is an error in the Swift 6 language mode
138 | }
139 |
Foundation.NSRegularExpression:1:12: note: class 'NSRegularExpression' does not conform to the 'Sendable' protocol
 1 | open class NSRegularExpression : NSObject, NSCopying, NSSecureCoding {
   |            `- note: class 'NSRegularExpression' does not conform to the 'Sendable' protocol
 2 |     override open func copy() -> Any
 3 |     open func copy(with zone: NSZone? = nil) -> Any
/host/spi-builder-workspace/Sources/SwiftSMTP/MailSender.swift:17:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 15 |  **/
 16 |
 17 | import Foundation
    | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 18 |
 19 | #if os(Linux)
    :
135 |
136 | private extension NSRegularExpression {
137 |     static let emailRegex = try? NSRegularExpression(pattern: "^[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,64}")
    |                |- note: annotate 'emailRegex' 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
138 | }
139 |
/host/spi-builder-workspace/Sources/SwiftSMTP/MailSender.swift:52:13: warning: capture of 'self' with non-sendable type 'MailSender' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 28 | public typealias Completion = (([Mail], [(Mail, Error)]) -> Void)?
 29 |
 30 | class MailSender {
    |       `- note: class 'MailSender' does not conform to the 'Sendable' protocol
 31 |     private var socket: SMTPSocket
 32 |     private var mailsToSend: [Mail]
    :
 50 |     func send() {
 51 |         DispatchQueue.global().async {
 52 |             self.sendNext()
    |             `- warning: capture of 'self' with non-sendable type 'MailSender' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 53 |         }
 54 |     }
/host/spi-builder-workspace/Sources/SwiftSMTP/MailSender.swift:80:13: warning: capture of 'self' with non-sendable type 'MailSender' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 28 | public typealias Completion = (([Mail], [(Mail, Error)]) -> Void)?
 29 |
 30 | class MailSender {
    |       `- note: class 'MailSender' does not conform to the 'Sendable' protocol
 31 |     private var socket: SMTPSocket
 32 |     private var mailsToSend: [Mail]
    :
 78 |         }
 79 |         DispatchQueue.global().async {
 80 |             self.sendNext()
    |             `- warning: capture of 'self' with non-sendable type 'MailSender' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 81 |         }
 82 |     }
[52/54] Compiling SwiftSMTP MailSender.swift
/host/spi-builder-workspace/Sources/SwiftSMTP/Mail.swift:187:16: warning: static property 'smtpDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
185 |
186 | extension DateFormatter {
187 |     static let smtpDateFormatter: DateFormatter = {
    |                `- warning: static property 'smtpDateFormatter' is not concurrency-safe because non-'Sendable' type 'DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
188 |         let formatter = DateFormatter()
189 |         formatter.dateFormat = "EEE, d MMM yyyy HH:mm:ss ZZZ"
Foundation.DateFormatter:1:12: note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class DateFormatter : Formatter {
   |            `- note: class 'DateFormatter' does not conform to the 'Sendable' protocol
 2 |     override public init()
 3 |     required public init?(coder: NSCoder)
/host/spi-builder-workspace/Sources/SwiftSMTP/Mail.swift:17:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 15 |  **/
 16 |
 17 | import Foundation
    | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 18 |
 19 | /// Represents an email that can be sent through an `SMTP` instance.
    :
185 |
186 | extension DateFormatter {
187 |     static let smtpDateFormatter: DateFormatter = {
    |                |- note: annotate 'smtpDateFormatter' 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
188 |         let formatter = DateFormatter()
189 |         formatter.dateFormat = "EEE, d MMM yyyy HH:mm:ss ZZZ"
/host/spi-builder-workspace/Sources/SwiftSMTP/MailSender.swift:137:16: warning: static property 'emailRegex' is not concurrency-safe because non-'Sendable' type 'NSRegularExpression?' may have shared mutable state; this is an error in the Swift 6 language mode
135 |
136 | private extension NSRegularExpression {
137 |     static let emailRegex = try? NSRegularExpression(pattern: "^[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,64}")
    |                `- warning: static property 'emailRegex' is not concurrency-safe because non-'Sendable' type 'NSRegularExpression?' may have shared mutable state; this is an error in the Swift 6 language mode
138 | }
139 |
Foundation.NSRegularExpression:1:12: note: class 'NSRegularExpression' does not conform to the 'Sendable' protocol
 1 | open class NSRegularExpression : NSObject, NSCopying, NSSecureCoding {
   |            `- note: class 'NSRegularExpression' does not conform to the 'Sendable' protocol
 2 |     override open func copy() -> Any
 3 |     open func copy(with zone: NSZone? = nil) -> Any
/host/spi-builder-workspace/Sources/SwiftSMTP/MailSender.swift:17:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 15 |  **/
 16 |
 17 | import Foundation
    | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'Foundation'
 18 |
 19 | #if os(Linux)
    :
135 |
136 | private extension NSRegularExpression {
137 |     static let emailRegex = try? NSRegularExpression(pattern: "^[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,64}")
    |                |- note: annotate 'emailRegex' 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
138 | }
139 |
/host/spi-builder-workspace/Sources/SwiftSMTP/MailSender.swift:52:13: warning: capture of 'self' with non-sendable type 'MailSender' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 28 | public typealias Completion = (([Mail], [(Mail, Error)]) -> Void)?
 29 |
 30 | class MailSender {
    |       `- note: class 'MailSender' does not conform to the 'Sendable' protocol
 31 |     private var socket: SMTPSocket
 32 |     private var mailsToSend: [Mail]
    :
 50 |     func send() {
 51 |         DispatchQueue.global().async {
 52 |             self.sendNext()
    |             `- warning: capture of 'self' with non-sendable type 'MailSender' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 53 |         }
 54 |     }
/host/spi-builder-workspace/Sources/SwiftSMTP/MailSender.swift:80:13: warning: capture of 'self' with non-sendable type 'MailSender' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 28 | public typealias Completion = (([Mail], [(Mail, Error)]) -> Void)?
 29 |
 30 | class MailSender {
    |       `- note: class 'MailSender' does not conform to the 'Sendable' protocol
 31 |     private var socket: SMTPSocket
 32 |     private var mailsToSend: [Mail]
    :
 78 |         }
 79 |         DispatchQueue.global().async {
 80 |             self.sendNext()
    |             `- warning: capture of 'self' with non-sendable type 'MailSender' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 81 |         }
 82 |     }
[53/54] Compiling SwiftSMTP Attachment.swift
[54/54] Compiling SwiftSMTP AuthEncoder.swift
Build complete! (37.26s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "bluesocket",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.2",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Kitura/BlueSocket.git"
    },
    {
      "identity" : "bluesslservice",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.1",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Kitura/BlueSSLService.git"
    },
    {
      "identity" : "bluecryptor",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.1",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Kitura/BlueCryptor.git"
    },
    {
      "identity" : "loggerapi",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.9.200",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Kitura/LoggerAPI.git"
    }
  ],
  "manifest_display_name" : "SwiftSMTP",
  "name" : "SwiftSMTP",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "SwiftSMTP",
      "targets" : [
        "SwiftSMTP"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftSMTPTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftSMTPTests",
      "path" : "Tests/SwiftSMTPTests",
      "sources" : [
        "Constant.swift",
        "TestAttachment.swift",
        "TestAuthEncoder.swift",
        "TestDataSender.swift",
        "TestMailSender.swift",
        "TestMiscellaneous.swift",
        "TestSMTPSocket.swift",
        "TestTLSMode.swift"
      ],
      "target_dependencies" : [
        "SwiftSMTP"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftSMTP",
      "module_type" : "SwiftTarget",
      "name" : "SwiftSMTP",
      "path" : "Sources/SwiftSMTP",
      "product_dependencies" : [
        "Socket",
        "SSLService",
        "Cryptor",
        "LoggerAPI"
      ],
      "product_memberships" : [
        "SwiftSMTP"
      ],
      "sources" : [
        "Attachment.swift",
        "AuthEncoder.swift",
        "AuthMethod.swift",
        "Command.swift",
        "Common.swift",
        "DataSender.swift",
        "Mail.swift",
        "MailSender.swift",
        "Response.swift",
        "SMTP.swift",
        "SMTPError.swift",
        "SMTPSocket.swift",
        "TLSConfiguration.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.