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Build Information

Successful build of SMTPKitten, reference 0.2.3 (6ac846), with Swift 6.4 for Android on 20 Sep 2026 06:22:54 UTC.

Swift 6 data race errors: 0

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344844-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:android-6.4-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Joannis/SMTPKitten.git
Reference: 0.2.3
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/Joannis/SMTPKitten
 * tag               0.2.3      -> FETCH_HEAD
HEAD is now at 6ac8463 Merge pull request #10 from tierracero/master
Cloned https://github.com/Joannis/SMTPKitten.git
Revision (git rev-parse @):
6ac846333a0c98230c9201b83e907d9575460aae
SUCCESS checkout https://github.com/Joannis/SMTPKitten.git at 0.2.3
========================================
Build
========================================
Selected platform:         android
Swift version:             6.4
Building package at path:  $PWD
https://github.com/Joannis/SMTPKitten.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344844-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:android-6.4-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1
android-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:abadcff584c273feba50641b454858d377ba30b35ea7287a94f45ebd8afd0ea0
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:android-6.4-latest
Fetching https://github.com/apple/swift-nio-extras.git
Fetching https://github.com/apple/swift-nio.git
Fetching https://github.com/apple/swift-nio-ssl.git
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[22756/108828] Fetching swift-nio-ssl, swift-nio-extras, swift-nio
Fetched https://github.com/apple/swift-nio-ssl.git (1.54s)
[43702/92763] Fetching swift-nio-extras, swift-nio
Fetched https://github.com/apple/swift-nio-extras.git (5.02s)
Fetched https://github.com/apple/swift-nio.git (5.06s)
Computing version for https://github.com/apple/swift-nio-extras.git
Computed https://github.com/apple/swift-nio-extras.git at 1.35.1 (6.72s)
Fetching https://github.com/apple/swift-certificates.git
Fetching https://github.com/apple/swift-http-structured-headers.git
Fetching https://github.com/apple/swift-log.git
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Fetching https://github.com/apple/swift-http-types.git
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Fetched https://github.com/apple/swift-log.git (0.64s)
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Fetching https://github.com/apple/swift-nio-http2.git
Fetching https://github.com/apple/swift-asn1.git
Fetching https://github.com/apple/swift-async-algorithms.git
Fetched https://github.com/apple/swift-certificates.git (0.71s)
Fetching https://github.com/apple/swift-atomics.git
[1/1253] Fetching swift-http-structured-headers
[1029/3188] Fetching swift-http-structured-headers, swift-http-types
Fetched https://github.com/apple/swift-http-structured-headers.git (0.96s)
[1819/1935] Fetching swift-http-types
Fetching https://github.com/apple/swift-algorithms.git
Fetched https://github.com/apple/swift-http-types.git (0.48s)
[1/1875] Fetching swift-atomics
[1876/8598] Fetching swift-atomics, swift-async-algorithms
[1877/20850] Fetching swift-atomics, swift-async-algorithms, swift-nio-http2
[5456/22833] Fetching swift-atomics, swift-async-algorithms, swift-nio-http2, swift-asn1
Fetched https://github.com/apple/swift-atomics.git (0.55s)
[6589/20958] Fetching swift-async-algorithms, swift-nio-http2, swift-asn1
Fetched https://github.com/apple/swift-async-algorithms.git (0.64s)
Fetched https://github.com/apple/swift-asn1.git (0.64s)
[3554/12252] Fetching swift-nio-http2
[12253/18397] Fetching swift-nio-http2, swift-algorithms
Fetched https://github.com/apple/swift-algorithms.git (0.62s)
Fetched https://github.com/apple/swift-nio-http2.git (1.02s)
Computing version for https://github.com/apple/swift-algorithms.git
Computed https://github.com/apple/swift-algorithms.git at 1.2.1 (1.90s)
Fetching https://github.com/apple/swift-numerics.git
[1/6636] Fetching swift-numerics
Fetched https://github.com/apple/swift-numerics.git (0.54s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.1 (0.73s)
Computing version for https://github.com/apple/swift-numerics.git
Computed https://github.com/apple/swift-numerics.git at 1.1.1 (0.21s)
Computing version for https://github.com/swift-server/swift-service-lifecycle.git
Computed https://github.com/swift-server/swift-service-lifecycle.git at 2.12.0 (0.20s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.15.1 (0.21s)
Computing version for https://github.com/apple/swift-async-algorithms.git
Computed https://github.com/apple/swift-async-algorithms.git at 1.1.5 (0.22s)
Fetching https://github.com/apple/swift-collections.git
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Fetched https://github.com/apple/swift-collections.git (1.25s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.6.0 (1.63s)
Computing version for https://github.com/apple/swift-http-structured-headers.git
Computed https://github.com/apple/swift-http-structured-headers.git at 1.7.0 (0.22s)
Computing version for https://github.com/apple/swift-http-types.git
Computed https://github.com/apple/swift-http-types.git at 1.8.0 (0.23s)
Computing version for https://github.com/apple/swift-asn1.git
Computed https://github.com/apple/swift-asn1.git at 1.7.3 (0.25s)
Computing version for https://github.com/apple/swift-nio-ssl.git
Computed https://github.com/apple/swift-nio-ssl.git at 2.37.5 (0.26s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.103.0 (0.34s)
Fetching https://github.com/apple/swift-system.git
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Fetched https://github.com/apple/swift-system.git (0.69s)
Computing version for https://github.com/apple/swift-certificates.git
Computed https://github.com/apple/swift-certificates.git at 1.20.0 (0.95s)
Fetching https://github.com/apple/swift-crypto.git
[1/18549] Fetching swift-crypto
Fetched https://github.com/apple/swift-crypto.git (1.26s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.8.1 (1.48s)
Computing version for https://github.com/apple/swift-crypto.git
Computed https://github.com/apple/swift-crypto.git at 4.5.2 (0.29s)
Computing version for https://github.com/apple/swift-nio-http2.git
Computed https://github.com/apple/swift-nio-http2.git at 1.46.0 (0.21s)
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
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-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-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-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-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-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-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-numerics.git
Working copy of https://github.com/apple/swift-numerics.git resolved at 1.1.1
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-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-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-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-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
Building for debugging...
[Computing dependencies]
[Constructing description]
[Pre-planning 1 / 870]
[Planning 862 / 870]
[Planning deferred tasks]
[Starting]
[29 / 691] SMTPKitten
[166 / 708] NIOConcurrencyHelpers
[173 / 717] _NIOBase64
[181 / 717] NIOConcurrencyHelpers
[182 / 717] InternalCollectionsUtilities
[184 / 717] _NIODataStructures
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[205 / 719] _NIOBase64
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[210 / 719] InternalCollectionsUtilities
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[219 / 719] CNIOLLHTTP
[220 / 719] CNIOLLHTTP
[229 / 722] CNIOLLHTTP
[233 / 722] Atomics
[236 / 732] InternalCollectionsUtilities
[237 / 732] CNIOBoringSSL
[238 / 741] ContainersPreview
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[269 / 741] Atomics
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[642 / 741] _NIODataStructures
[645 / 741] ContainersPreview
[648 / 741] InternalCollectionsUtilities
[649 / 741] DequeModule
[650 / 741] DequeModule
[651 / 741] ContainersPreview
[654 / 741] ContainersPreview
[655 / 741] Atomics
[658 / 741] Atomics-product
[660 / 741] Atomics
[661 / 742] ContainersPreview
[662 / 742] Atomics
[664 / 742] ContainersPreview
[666 / 743] CNIOLinux
[670 / 752] DequeModule
[671 / 752] DequeModule
[673 / 752] DequeModule
[675 / 752] DequeModule
[675 / 752] Atomics
[677 / 752] DequeModule
[677 / 752] CNIOBoringSSL
[678 / 752]
[679 / 752] NIOConcurrencyHelpers
[679 / 752] DequeModule
[679 / 752] Atomics
[682 / 753] Atomics
[682 / 753] DequeModule
[682 / 754] DequeModule
[691 / 755] NIOCore
[700 / 764] NIOCore
[700 / 765] NIOCore
[712 / 771] NIOCore
[718 / 780] NIOPosix
[718 / 780] NIOEmbedded
[720 / 780] NIOEmbedded
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[722 / 780] NIOEmbedded
[726 / 780] NIOEmbedded
[728 / 781] NIOPosix
[728 / 781] NIOEmbedded
[729 / 781] NIOCore
[731 / 781] NIOEmbedded
[731 / 781] NIOPosix
[739 / 784] NIO
[749 / 792] NIOTLS
[750 / 792] NIOTLS
[752 / 792] NIOTLS
[756 / 792] NIOTLS
[757 / 792] NIOTLS-product
[760 / 794]
[760 / 794] NIOHTTP1
[763 / 803] NIOHTTP1
[765 / 804] NIOTLS
[766 / 813] NIOSSL
[766 / 813] NIOPosix
[769 / 813] NIOSSL
[771 / 813] NIOHTTP1
[774 / 813] NIOHTTP1
[779 / 814] NIOSSL
[780 / 814] NIOSSL
[781 / 814] NIOSSL
[783 / 814] NIOSSL
[789 / 814] NIOPosix
[790 / 814] NIOSSL
[791 / 814] NIOHTTP1-product
[792 / 814] NIOHTTP1-product
[793 / 814] NIOSSL
[795 / 815] NIOExtras
[799 / 824] NIOExtras
[800 / 824] NIOExtras
[802 / 824] NIOExtras
[803 / 824] NIOExtras
[804 / 824] NIOExtras
[804 / 824] NIO
[812 / 833] NIOExtras
[813 / 833] SMTPKitten
[814 / 834] SMTPKitten
[815 / 835] SMTPKitten
[816 / 835] SMTPKitten
[817 / 835] SMTPKitten
[818 / 835] SMTPKitten
[819 / 836] NIOSSL
[821 / 836] NIOExtras
[825 / 836] SMTPKitten
[833 / 836] SMTPKitten
/host/spi-builder-workspace/Sources/SMTPKitten/SMTPClient.swift:229:60: warning: capture of 'context' with non-Sendable type 'SMTPClientContext' in a '@Sendable' closure [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
 51 |
 52 |
 53 | internal final class SMTPClientContext {
    |                      `- note: class 'SMTPClientContext' does not conform to the 'Sendable' protocol
 54 |     private var queue = [OutstandingRequest]()
 55 |     private var isProcessing = false
    :
227 |         let channel = try await ClientBootstrap(group: eventLoop).channelInitializer { channel in
228 |             let lineBasedFrameDecoder = ByteToMessageHandler(LineBasedFrameDecoder())
229 |             let parser = SMTPClientInboundHandler(context: context)
    |                                                            `- warning: capture of 'context' with non-Sendable type 'SMTPClientContext' in a '@Sendable' closure [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
230 |             let serializer = MessageToByteHandler(SMTPClientOutboundHandler())
231 |             var handlers: [ChannelHandler] = [lineBasedFrameDecoder, parser, serializer, ErrorCloseHandler()]
/host/spi-builder-workspace/Sources/SMTPKitten/SMTPClient.swift:233:20: warning: capture of 'ssl' with non-Sendable type 'SMTPSSLMode' in a '@Sendable' closure [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
 23 |
 24 | /// The mode that the SMTP client should use for SSL. This can be either `startTLS`, `tls` or `insecure`.
 25 | public enum SMTPSSLMode {
    |             `- note: consider making enum 'SMTPSSLMode' conform to the 'Sendable' protocol
 26 |     /// The SMTP client should use the `STARTTLS` command to upgrade the connection to SSL.
 27 |     case startTLS(configuration: SMTPSSLConfiguration)
    :
231 |             var handlers: [ChannelHandler] = [lineBasedFrameDecoder, parser, serializer, ErrorCloseHandler()]
232 |
233 |             switch ssl {
    |                    `- warning: capture of 'ssl' with non-Sendable type 'SMTPSSLMode' in a '@Sendable' closure [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
234 |             case .insecure, .startTLS:
235 |                 break
/host/spi-builder-workspace/Sources/SMTPKitten/SMTPClient.swift:284:33: warning: type 'SMTPClientMessage' does not conform to the 'Sendable' protocol
282 |     ) async throws -> SMTPServerMessage {
283 |         return try await context.sendMessage {
284 |             return self.channel.writeAndFlush(message)
    |                                 `- warning: type 'SMTPClientMessage' does not conform to the 'Sendable' protocol
285 |         }.get()
286 |     }
/host/spi-builder-workspace/Sources/SMTPKitten/SMTPMessage.swift:6:13: note: consider making enum 'SMTPClientMessage' conform to the 'Sendable' protocol
 4 |
 5 | /// Any message that can be sent to the SMTP server.
 6 | public enum SMTPClientMessage {
   |             `- note: consider making enum 'SMTPClientMessage' conform to the 'Sendable' protocol
 7 |     case none
 8 |     case helo(hostname: String)
/host/spi-builder-workspace/Sources/SMTPKitten/SMTPClient.swift:285:11: warning: type 'SMTPServerMessage' does not conform to the 'Sendable' protocol
283 |         return try await context.sendMessage {
284 |             return self.channel.writeAndFlush(message)
285 |         }.get()
    |           `- warning: type 'SMTPServerMessage' does not conform to the 'Sendable' protocol
286 |     }
287 |
/host/spi-builder-workspace/Sources/SMTPKitten/SMTPMessage.swift:27:15: note: consider making struct 'SMTPServerMessage' conform to the 'Sendable' protocol
25 |
26 | /// Any message that can be received from the SMTP server.
27 | public struct SMTPServerMessage {
   |               `- note: consider making struct 'SMTPServerMessage' conform to the 'Sendable' protocol
28 |     var responseCode: SMTPResponseCode? {
29 |         SMTPResponseCode(rawValue: code)
/host/spi-builder-workspace/Sources/SMTPKitten/SMTPClient.swift:316:52: warning: conformance of 'NIOSSLHandler' to 'Sendable' is unavailable; this is an error in the Swift 6 language mode
314 |         let sslHandler = try NIOSSLClientHandler(context: sslContext, serverHostname: self.hostname)
315 |
316 |         try await self.channel.pipeline.addHandler(sslHandler, position: .first)
    |                                                    `- warning: conformance of 'NIOSSLHandler' to 'Sendable' is unavailable; this is an error in the Swift 6 language mode
317 |     }
318 |
/host/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/NIOSSL/NIOSSLHandler.swift:839:1: note: conformance of 'NIOSSLHandler' to 'Sendable' has been explicitly marked unavailable here
 837 |
 838 | @available(*, unavailable)
 839 | extension NIOSSLHandler: Sendable {}
     | `- note: conformance of 'NIOSSLHandler' to 'Sendable' has been explicitly marked unavailable here
 840 |
 841 | extension NIOSSLHandler {
[#SendableClosureCaptures]: <https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures>
[837 / 837] SMTPKitten-product
Build complete! (172.34 secs)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-nio",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.0",
            "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" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    }
  ],
  "products" : [
    {
      "name" : "SMTPKitten",
      "targets" : [
        "SMTPKitten"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SMTPKittenTests",
      "module_type" : "SwiftTarget",
      "name" : "SMTPKittenTests",
      "path" : "Tests/SMTPKittenTests",
      "product_dependencies" : [
        "NIOFoundationCompat"
      ],
      "sources" : [
        "SMTPKittenTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "SMTPKitten"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SMTPKitten",
      "module_type" : "SwiftTarget",
      "name" : "SMTPKitten",
      "path" : "Sources/SMTPKitten",
      "product_dependencies" : [
        "NIO",
        "NIOSSL",
        "NIOExtras"
      ],
      "product_memberships" : [
        "SMTPKitten"
      ],
      "sources" : [
        "Error.swift",
        "Helpers.swift",
        "Mail.swift",
        "MailBodyBuilder.swift",
        "SMTPClient.swift",
        "SMTPMessage.swift",
        "SMTPOutbound.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
android-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:abadcff584c273feba50641b454858d377ba30b35ea7287a94f45ebd8afd0ea0
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:android-6.4-latest
Done.