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Build Information

Successful build of SwiftSMTP, reference master (3eaa80), with Swift 6.1 for macOS (SPM) on 27 Apr 2025 19:37:01 UTC.

Swift 6 data race errors: 1

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Kitura/Swift-SMTP.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Kitura/Swift-SMTP
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 3eaa80f Use `LoggerAPI` debug logging instead of `print` in `DataSender` (#140)
Cloned https://github.com/Kitura/Swift-SMTP.git
Revision (git rev-parse @):
3eaa80f5dbac5a043fd42da6306449a9b0cd8a3d
SUCCESS checkout https://github.com/Kitura/Swift-SMTP.git at master
Fetching https://github.com/Kitura/BlueCryptor.git
Fetching https://github.com/Kitura/LoggerAPI.git
Fetching https://github.com/Kitura/BlueSSLService.git
Fetching https://github.com/Kitura/BlueSocket.git
[1/771] Fetching loggerapi
[163/2425] Fetching loggerapi, bluecryptor
[477/4502] Fetching loggerapi, bluecryptor, bluesslservice
[864/7444] Fetching loggerapi, bluecryptor, bluesslservice, bluesocket
Fetched https://github.com/Kitura/BlueSSLService.git from cache (0.93s)
[4044/5367] Fetching loggerapi, bluecryptor, bluesocket
Fetched https://github.com/Kitura/BlueSocket.git from cache (1.11s)
Fetched https://github.com/Kitura/LoggerAPI.git from cache (1.11s)
Fetched https://github.com/Kitura/BlueCryptor.git from cache (1.11s)
Computing version for https://github.com/Kitura/LoggerAPI.git
Computed https://github.com/Kitura/LoggerAPI.git at 1.9.200 (1.74s)
Fetching https://github.com/apple/swift-log.git from cache
Fetched https://github.com/apple/swift-log.git from cache (0.65s)
Computing version for https://github.com/Kitura/BlueCryptor.git
Computed https://github.com/Kitura/BlueCryptor.git at 2.0.2 (1.25s)
Computing version for https://github.com/Kitura/BlueSSLService.git
Computed https://github.com/Kitura/BlueSSLService.git at 2.0.2 (0.56s)
Computing version for https://github.com/Kitura/BlueSocket.git
Computed https://github.com/Kitura/BlueSocket.git at 2.0.4 (0.60s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.6.3 (0.47s)
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.6.3
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/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/BlueCryptor.git
Working copy of https://github.com/Kitura/BlueCryptor.git resolved at 2.0.2
Creating working copy for https://github.com/Kitura/BlueSocket.git
Working copy of https://github.com/Kitura/BlueSocket.git resolved at 2.0.4
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "swift-smtp",
      "name": "SwiftSMTP",
      "url": "https://github.com/Kitura/Swift-SMTP.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Swift-SMTP",
      "dependencies": [
        {
          "identity": "bluesocket",
          "name": "Socket",
          "url": "https://github.com/Kitura/BlueSocket.git",
          "version": "2.0.4",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/BlueSocket",
          "dependencies": [
          ]
        },
        {
          "identity": "bluesslservice",
          "name": "SSLService",
          "url": "https://github.com/Kitura/BlueSSLService.git",
          "version": "2.0.2",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/BlueSSLService",
          "dependencies": [
            {
              "identity": "bluesocket",
              "name": "Socket",
              "url": "https://github.com/Kitura/BlueSocket.git",
              "version": "2.0.4",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/BlueSocket",
              "dependencies": [
              ]
            }
          ]
        },
        {
          "identity": "bluecryptor",
          "name": "Cryptor",
          "url": "https://github.com/Kitura/BlueCryptor.git",
          "version": "2.0.2",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/BlueCryptor",
          "dependencies": [
          ]
        },
        {
          "identity": "loggerapi",
          "name": "LoggerAPI",
          "url": "https://github.com/Kitura/LoggerAPI.git",
          "version": "1.9.200",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/LoggerAPI",
          "dependencies": [
            {
              "identity": "swift-log",
              "name": "swift-log",
              "url": "https://github.com/apple/swift-log.git",
              "version": "1.6.3",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-log",
              "dependencies": [
              ]
            }
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/Kitura/Swift-SMTP.git
[1/2602] Fetching swift-smtp
Fetched https://github.com/Kitura/Swift-SMTP.git from cache (1.06s)
Fetching https://github.com/Kitura/BlueCryptor.git from cache
Fetching https://github.com/Kitura/LoggerAPI.git from cache
Fetching https://github.com/Kitura/BlueSocket.git from cache
Fetching https://github.com/Kitura/BlueSSLService.git from cache
Fetched https://github.com/Kitura/BlueSSLService.git from cache (0.49s)
Fetched https://github.com/Kitura/BlueCryptor.git from cache (0.49s)
Fetched https://github.com/Kitura/LoggerAPI.git from cache (0.54s)
Fetched https://github.com/Kitura/BlueSocket.git from cache (0.54s)
Computing version for https://github.com/Kitura/LoggerAPI.git
Computed https://github.com/Kitura/LoggerAPI.git at 1.9.200 (0.61s)
Fetching https://github.com/apple/swift-log.git from cache
Fetched https://github.com/apple/swift-log.git from cache (0.53s)
Computing version for https://github.com/Kitura/BlueCryptor.git
Computed https://github.com/Kitura/BlueCryptor.git at 2.0.2 (0.58s)
Computing version for https://github.com/Kitura/BlueSSLService.git
Computed https://github.com/Kitura/BlueSSLService.git at 2.0.2 (0.03s)
Computing version for https://github.com/Kitura/BlueSocket.git
Computed https://github.com/Kitura/BlueSocket.git at 2.0.4 (0.03s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.6.3 (0.03s)
Creating working copy for https://github.com/Kitura/BlueSocket.git
Working copy of https://github.com/Kitura/BlueSocket.git resolved at 2.0.4
Creating working copy for https://github.com/Kitura/Swift-SMTP.git
Working copy of https://github.com/Kitura/Swift-SMTP.git resolved at master (3eaa80f)
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 1.6.3
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/LoggerAPI.git
Working copy of https://github.com/Kitura/LoggerAPI.git resolved at 1.9.200
warning: '.resolve-product-dependencies': dependency 'swift-smtp' is not used by any target
Found 4 product dependencies
  - Socket
  - SSLService
  - Cryptor
  - LoggerAPI
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/Kitura/Swift-SMTP.git
https://github.com/Kitura/Swift-SMTP.git
{
  "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" : "/Users/admin/builder/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"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
Building for debugging...
[0/7] Write sources
[6/7] Write swift-version-2F0A5646E1D333AE.txt
[8/29] Compiling Logging MetadataProvider.swift
[9/29] Compiling Logging Logging.swift
[10/29] Compiling Logging Locks.swift
[11/29] Emitting module Logging
[12/29] Compiling Logging LogHandler.swift
[13/31] Emitting module LoggerAPI
[14/31] Compiling LoggerAPI Logger.swift
[15/31] Compiling Cryptor Updatable.swift
[16/32] Compiling Cryptor KeyDerivation.swift
[17/32] Compiling Cryptor SSLPointerTricks.swift
[18/32] Compiling Cryptor Random.swift
[19/32] Compiling Cryptor Status.swift
[20/32] Compiling Cryptor StreamCryptor.swift
[21/32] Compiling Cryptor HMAC.swift
[22/32] Emitting module Cryptor
[23/32] Compiling Cryptor Crypto.swift
[24/32] Compiling Cryptor Cryptor.swift
[25/32] Compiling Cryptor Digest.swift
[26/32] Compiling Socket SocketProtocols.swift
[27/32] Compiling Socket SocketUtils.swift
[28/32] Compiling Socket Socket+Hashable.swift
[29/32] Emitting module Socket
[30/32] Compiling Socket Socket.swift
[31/32] Compiling Socket Socket+Equatable.swift
[32/35] Compiling Cryptor Utilities.swift
[33/35] Emitting module SSLService
[34/35] Compiling SSLService SSLService.swift
[35/35] Compiling SSLService SSLPointerTricks.swift
[36/48] Compiling SwiftSMTP Common.swift
/Users/admin/builder/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
   |     |- note: add '@MainActor' to make let 'cache' part of global actor 'MainActor'
   |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
25 | let CRLF = "\r\n"
26 |
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSCache.h:13:12: note: generic class 'NSCache' does not conform to the 'Sendable' protocol
11 |
12 | API_AVAILABLE(macos(10.6), ios(4.0), watchos(2.0), tvos(9.0))
13 | @interface NSCache <KeyType, ObjectType> : NSObject
   |            `- note: generic class 'NSCache' does not conform to the 'Sendable' protocol
14 |
15 | @property (copy) NSString *name;
[37/48] Compiling SwiftSMTP DataSender.swift
/Users/admin/builder/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
   |     |- note: add '@MainActor' to make let 'cache' part of global actor 'MainActor'
   |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
25 | let CRLF = "\r\n"
26 |
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSCache.h:13:12: note: generic class 'NSCache' does not conform to the 'Sendable' protocol
11 |
12 | API_AVAILABLE(macos(10.6), ios(4.0), watchos(2.0), tvos(9.0))
13 | @interface NSCache <KeyType, ObjectType> : NSObject
   |            `- note: generic class 'NSCache' does not conform to the 'Sendable' protocol
14 |
15 | @property (copy) NSString *name;
[38/48] Compiling SwiftSMTP Attachment.swift
[39/48] Compiling SwiftSMTP AuthEncoder.swift
[40/48] Compiling SwiftSMTP Response.swift
[41/48] Emitting module SwiftSMTP
/Users/admin/builder/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
   |     |- note: add '@MainActor' to make let 'cache' part of global actor 'MainActor'
   |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
25 | let CRLF = "\r\n"
26 |
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSCache.h:13:12: note: generic class 'NSCache' does not conform to the 'Sendable' protocol
11 |
12 | API_AVAILABLE(macos(10.6), ios(4.0), watchos(2.0), tvos(9.0))
13 | @interface NSCache <KeyType, ObjectType> : NSObject
   |            `- note: generic class 'NSCache' does not conform to the 'Sendable' protocol
14 |
15 | @property (copy) NSString *name;
[42/49] Compiling SwiftSMTP MailSender.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftSMTP/MailSender.swift:52:13: warning: capture of 'self' with non-sendable type 'MailSender' in a '@Sendable' closure
 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
 53 |         }
 54 |     }
/Users/admin/builder/spi-builder-workspace/Sources/SwiftSMTP/MailSender.swift:80:13: warning: capture of 'self' with non-sendable type 'MailSender' in a '@Sendable' closure
 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
 81 |         }
 82 |     }
[43/49] Compiling SwiftSMTP Mail.swift
[44/49] Compiling SwiftSMTP AuthMethod.swift
[45/49] Compiling SwiftSMTP Command.swift
[46/49] Compiling SwiftSMTP SMTP.swift
[47/49] Compiling SwiftSMTP SMTPError.swift
[48/49] Compiling SwiftSMTP SMTPSocket.swift
[49/49] Compiling SwiftSMTP TLSConfiguration.swift
Build complete! (8.94s)
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" : "/Users/admin/builder/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.