SMTPKitten – Build Information – Swift Package Index

Build Information

Successful build of SMTPKitten, reference 1.0.0-beta.1 (b10493), with Swift 6.4 for macOS (SPM) on 20 Sep 2026 06:35:48 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Joannis/SMTPKitten.git
Reference: 1.0.0-beta.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Joannis/SMTPKitten
 * tag               1.0.0-beta.1 -> FETCH_HEAD
HEAD is now at b10493f Re-create the connection once it closes
Cloned https://github.com/Joannis/SMTPKitten.git
Revision (git rev-parse @):
b10493fe3d51c7bd53c589db1a7a9c0483e490f6
SUCCESS checkout https://github.com/Joannis/SMTPKitten.git at 1.0.0-beta.1
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/Joannis/SMTPKitten.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Computing dependencies]
[Constructing description]
[Pre-planning 1 / 1342]
[Planning deferred tasks]
[Constructing 1639 / 3338]
[99 / 946] NIOFoundationCompat
[258 / 946] swift-nio-ssl_NIOSSL
[262 / 946]
[277 / 953] _AtomicsShims
[280 / 972] CNIOWindows
[288 / 1010] CNIOWindows
[296 / 1050]
[313 / 1050] CNIOBoringSSL
[320 / 1050]
[323 / 1050] InternalCollectionsUtilities
[331 / 1050]
[333 / 1050]
[343 / 1050] CNIOBoringSSL
[345 / 1050] CNIOBoringSSL
[350 / 1050] CNIOBoringSSL
[352 / 1050] CNIOBoringSSL
[359 / 1050] CNIOBoringSSL
[360 / 1050] _NIODataStructures
[362 / 1050] Logging
[375 / 1050] CNIOBoringSSL
[390 / 1050] CNIOBoringSSL
[404 / 1050] CNIOBoringSSL
[415 / 1050] CNIOBoringSSL
[421 / 1050] CNIOBoringSSL
[424 / 1050] CNIOBoringSSL
[429 / 1050] CNIOBoringSSL
[432 / 1050] CNIOBoringSSL
[434 / 1050] CNIOBoringSSL
[438 / 1050] CNIOBoringSSL
[442 / 1050] CNIOBoringSSL
[444 / 1050] CNIOBoringSSL
[448 / 1050] CNIOBoringSSL
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[465 / 1050] CNIOBoringSSL
[467 / 1050] CNIOBoringSSL
[471 / 1050] CNIOBoringSSL
[474 / 1050] CNIOBoringSSL
[476 / 1050] CNIOBoringSSL
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[482 / 1050] CNIOBoringSSL
[489 / 1050] CNIOBoringSSL
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[513 / 1050] CNIOBoringSSL
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[665 / 1050] CNIOBoringSSL
[670 / 1050] CNIOBoringSSL
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[695 / 1050] CNIOBoringSSL
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[752 / 1050] CNIOBoringSSL
[754 / 1050] CNIOBoringSSL
[760 / 1050] CNIOBoringSSL
[761 / 1050] CNIOBoringSSL
[769 / 1050]
[783 / 1050] NIOConcurrencyHelpers
[789 / 1050] _AtomicsShims
[796 / 1050] Logging
[799 / 1050] _NIOBase64
[805 / 1050] Logging-product
[809 / 1050] Logging
[818 / 1050] HeapModule
[832 / 1059]
[846 / 1060] ConcurrencyHelpers
[856 / 1075]
[869 / 1078] Atomics
[873 / 1078]
[880 / 1080] Atomics
[888 / 1091] _RopeModule
[892 / 1092] UnixSignals
[894 / 1099] _RopeModule
[897 / 1099]
[901 / 1099] CNIODarwin
[905 / 1099] _RopeModule
[907 / 1099] _RopeModule
[910 / 1099] UnixSignals
[925 / 1101]
[930 / 1119] HeapModule
[933 / 1119] UnixSignals
[942 / 1119] OrderedCollections
[945 / 1119] _RopeModule
[948 / 1119] HeapModule
[951 / 1119] HeapModule
[955 / 1121]
[964 / 1134] HashTreeCollections
[972 / 1155] OrderedCollections
[985 / 1155] OrderedCollections-product
[989 / 1155] HashTreeCollections
[990 / 1155] BitCollections
[999 / 1155] ContainersPreview
[1003 / 1155] BitCollections
[1006 / 1155] ContainersPreview
[1011 / 1155] BitCollections
[1012 / 1155]
[1015 / 1156] HashTreeCollections
[1030 / 1167] DequeModule
[1033 / 1167] DequeModule
[1036 / 1167] BitCollections
[1036 / 1167] DequeModule
[1038 / 1167] DequeModule
[1055 / 1176] Collections
[1063 / 1176] AsyncAlgorithms
[1073 / 1188] NIOCore
[1074 / 1199]
[1077 / 1199] NIOCore
[1079 / 1199] NIOCore
[1082 / 1199] NIOCore
[1085 / 1199] AsyncAlgorithms
[1092 / 1199] NIOCore
[1094 / 1199] AsyncAlgorithms-product
[1095 / 1200] AsyncAlgorithms
[1099 / 1210] ServiceLifecycle
[1101 / 1210] ServiceLifecycle
[1111 / 1210] ServiceLifecycle-product
[1111 / 1210] ServiceLifecycle
[1111 / 1210] NIOCore
[1113 / 1210] ServiceLifecycle
[1113 / 1210] NIOCore
[1124 / 1213] NIOEmbedded
[1128 / 1217] NIOFoundationEssentialsCompat
[1140 / 1249]
[1149 / 1249]
[1151 / 1249]
[1153 / 1249]
[1154 / 1249]
[1165 / 1249] NIOPosix
[1166 / 1249] NIOFoundationEssentialsCompat
[1174 / 1249] NIOPosix
[1181 / 1250] NIOFoundationEssentialsCompat
[1185 / 1252] NIO
[1195 / 1255] NIOPosix
[1195 / 1255] NIOTLS
[1205 / 1273] NIOHTTP1
[1216 / 1277] NIOTLS-product
[1225 / 1277] NIOSSL
[1231 / 1277] NIOHTTP1
[1239 / 1280] MultipartKit
[1240 / 1280] NIOHTTP1
[1240 / 1280] NIOExtras
[1247 / 1291] MultipartKit
[1252 / 1345]
[1259 / 1345]
[1270 / 1345]
[1273 / 1345]
[1275 / 1345]
[1284 / 1345] NIOSSL
[1285 / 1345]
[1287 / 1345]
[1292 / 1345] NIOSSL
[1301 / 1345] NIOPosix
[1307 / 1345] NIOSSL
[1309 / 1345]
[1312 / 1345] NIOSSL
[1313 / 1345]
[1316 / 1345]
[1317 / 1345]
[1328 / 1345] MultipartKit
[1334 / 1345]
[1335 / 1346] MultipartKit
[1337 / 1346] SMTPKitten
[1348 / 1357] SMTPKitten
[1354 / 1357] SMTPKitten
[1356 / 1357] SMTPKitten
Build complete! (35.83 sec)
Fetching https://github.com/apple/swift-nio-extras.git
Fetching https://github.com/apple/swift-nio-ssl.git
Fetching https://github.com/vapor/multipart-kit.git
Fetching https://github.com/swift-server/swift-service-lifecycle.git
Fetching https://github.com/apple/swift-nio.git
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Computing version for https://github.com/vapor/multipart-kit.git
Computed https://github.com/vapor/multipart-kit.git at 4.7.1 (20.74s)
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Computed https://github.com/swift-server/swift-service-lifecycle.git at 2.12.0 (3.45s)
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Computed https://github.com/apple/swift-async-algorithms.git at 1.1.5 (2.03s)
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Computed https://github.com/apple/swift-collections.git at 1.6.0 (0.65s)
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Computed https://github.com/apple/swift-log.git at 1.15.1 (0.56s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.103.0 (0.76s)
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Computing version for https://github.com/apple/swift-algorithms.git
Computed https://github.com/apple/swift-algorithms.git at 1.2.1 (4.07s)
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Computed https://github.com/apple/swift-numerics.git at 1.1.1 (1.89s)
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Computed https://github.com/apple/swift-http-structured-headers.git at 1.7.0 (0.54s)
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Computed https://github.com/apple/swift-http-types.git at 1.8.0 (0.57s)
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Computed https://github.com/apple/swift-asn1.git at 1.7.3 (0.65s)
Computing version for https://github.com/apple/swift-nio-ssl.git
Computed https://github.com/apple/swift-nio-ssl.git at 2.37.5 (0.58s)
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Computed https://github.com/apple/swift-certificates.git at 1.20.0 (0.65s)
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Computed https://github.com/apple/swift-nio-http2.git at 1.46.0 (0.56s)
Creating working copy for https://github.com/apple/swift-algorithms.git
Working copy of https://github.com/apple/swift-algorithms.git resolved at 1.2.1
Creating working copy for https://github.com/apple/swift-nio-ssl.git
Working copy of https://github.com/apple/swift-nio-ssl.git resolved at 2.37.5
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.6.0
Creating working copy for https://github.com/apple/swift-crypto.git
Working copy of https://github.com/apple/swift-crypto.git resolved at 4.5.2
Creating working copy for https://github.com/apple/swift-nio-extras.git
Working copy of https://github.com/apple/swift-nio-extras.git resolved at 1.35.1
Creating working copy for https://github.com/swift-server/swift-service-lifecycle.git
Working copy of https://github.com/swift-server/swift-service-lifecycle.git resolved at 2.12.0
Creating working copy for https://github.com/apple/swift-http-types.git
Working copy of https://github.com/apple/swift-http-types.git resolved at 1.8.0
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.15.1
Creating working copy for https://github.com/apple/swift-certificates.git
Working copy of https://github.com/apple/swift-certificates.git resolved at 1.20.0
Creating working copy for https://github.com/apple/swift-nio-http2.git
Working copy of https://github.com/apple/swift-nio-http2.git resolved at 1.46.0
Creating working copy for https://github.com/apple/swift-http-structured-headers.git
Working copy of https://github.com/apple/swift-http-structured-headers.git resolved at 1.7.0
Creating working copy for https://github.com/apple/swift-async-algorithms.git
Working copy of https://github.com/apple/swift-async-algorithms.git resolved at 1.1.5
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.1
Creating working copy for https://github.com/apple/swift-asn1.git
Working copy of https://github.com/apple/swift-asn1.git resolved at 1.7.3
Creating working copy for https://github.com/apple/swift-numerics.git
Working copy of https://github.com/apple/swift-numerics.git resolved at 1.1.1
Creating working copy for https://github.com/vapor/multipart-kit.git
Working copy of https://github.com/vapor/multipart-kit.git resolved at 4.7.1
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.103.0
Creating working copy for https://github.com/apple/swift-system.git
Working copy of https://github.com/apple/swift-system.git resolved at 1.8.1
/Users/admin/builder/spi-builder-workspace/Sources/SMTPKitten/Connection/SMTPConnection.swift:204:47: [1;33mwarning: [1;39mconformance of 'NIOSSLHandler' to 'Sendable' is unavailable; this is an error in the Swift 6 language mode[0;0m
[0;36m202 |[0;0m         let sslHandler = try NIOSSLClientHandler(context: sslContext, serverHostname: hostname)
[0;36m203 |[0;0m
[0;36m204 |[0;0m         try await channel.pipeline.addHandler(sslHandler, position: .first).get()
    [0;36m|[0;0m                                               `- [1;33mwarning: [1;39mconformance of 'NIOSSLHandler' to 'Sendable' is unavailable; this is an error in the Swift 6 language mode[0;0m
[0;36m205 |[0;0m     }
[0;36m206 |[0;0m }
NIOSSL.NIOSSLHandler:2:11: [1;39mnote: [1;39mconformance of 'NIOSSLHandler' to 'Sendable' has been explicitly marked unavailable here[0;0m
[0;36m1 |[0;0m @available(*, unavailable)
[0;36m2 |[0;0m extension NIOSSLHandler : Sendable {
  [0;36m|[0;0m           `- [1;39mnote: [1;39mconformance of 'NIOSSLHandler' to 'Sendable' has been explicitly marked unavailable here[0;0m
[0;36m3 |[0;0m }
Build complete.
{
  "dependencies" : [
    {
      "identity" : "multipart-kit",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "4.7.0",
            "upper_bound" : "5.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/vapor/multipart-kit.git"
    },
    {
      "identity" : "swift-service-lifecycle",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.6.3",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/swift-server/swift-service-lifecycle.git"
    },
    {
      "identity" : "swift-nio",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.81.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-nio.git"
    },
    {
      "identity" : "swift-nio-extras",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-nio-extras.git"
    },
    {
      "identity" : "swift-nio-ssl",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-nio-ssl.git"
    }
  ],
  "manifest_display_name" : "SMTPKitten",
  "name" : "SMTPKitten",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "14.0"
    }
  ],
  "products" : [
    {
      "name" : "SMTPKitten",
      "targets" : [
        "SMTPKitten"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SMTPKittenTests",
      "module_type" : "SwiftTarget",
      "name" : "SMTPKittenTests",
      "path" : "Tests/SMTPKittenTests",
      "sources" : [
        "SMTPKittenTests.swift"
      ],
      "target_dependencies" : [
        "SMTPKitten"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SMTPKitten",
      "module_type" : "SwiftTarget",
      "name" : "SMTPKitten",
      "path" : "Sources/SMTPKitten",
      "product_dependencies" : [
        "MultipartKit",
        "ServiceLifecycle",
        "NIOCore",
        "NIOPosix",
        "NIOFoundationCompat",
        "NIOExtras",
        "NIOSSL"
      ],
      "product_memberships" : [
        "SMTPKitten"
      ],
      "sources" : [
        "Connection/Errors.swift",
        "Connection/Helpers.swift",
        "Connection/ReplyDecoder.swift",
        "Connection/Request+Reply.swift",
        "Connection/SMTPCommandsHelper.swift",
        "Connection/SMTPConnection.swift",
        "Connection/SMTPSSLMode.swift",
        "ConnectionPool/SMTPClient.swift",
        "SMTPClient+Commands/+handshake.swift",
        "SMTPClient+Commands/+login.swift",
        "SMTPClient+Commands/+sendMail.swift",
        "Types/Mail/+Attachment.swift",
        "Types/Mail/+Content.swift",
        "Types/Mail/+Disposition.swift",
        "Types/Mail/+build.swift",
        "Types/Mail/+serialization.swift",
        "Types/Mail/Mail.swift",
        "Types/Mail/MailBodyBuilder.swift",
        "Types/MailUser.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.10"
}
Done.