Build Information
Successful build of PerfectSMTP, reference main (d50ac7), with Swift 6.4 for macOS (SPM) on 9 Oct 2026 05:31:27 UTC.
Swift 6 data race errors: 0
Build Command
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64Build Log
========================================
RunAll
========================================
Builder version: 5.1.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/perfectlysoft/perfect-smtp.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/perfectlysoft/perfect-smtp
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at d50ac75 Merge pull request #31 from PerfectlySoft/claude/blissful-tu-a92c8d
Cloned https://github.com/perfectlysoft/perfect-smtp.git
Revision (git rev-parse @):
d50ac7522c03c97da515486f87afd35c91c86eae
SUCCESS checkout https://github.com/perfectlysoft/perfect-smtp.git at main
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.4
Building package at path: $PWD
https://github.com/perfectlysoft/perfect-smtp.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 / 1280]
[Planning deferred tasks]
[Constructing 752 / 3479]
[Starting]
[167 / 1249] CryptoExtras
[259 / 1249] swift-crypto_CCryptoBoringSSL
[273 / 1249]
[288 / 1258] Logging
[292 / 1277] _NIOBase64
[296 / 1292] CNIOWindows
[303 / 1318]
[310 / 1352]
[325 / 1352] CNIOLinux
[335 / 1392]
[340 / 1406] CNIOBoringSSL
[345 / 1406] InternalCollectionsUtilities
[352 / 1406]
[362 / 1406] CNIOBoringSSL
[367 / 1406]
[371 / 1406] CNIOBoringSSL
[377 / 1406] CNIOBoringSSL
[378 / 1406]
[382 / 1406] Logging
[393 / 1406] _NIODataStructures
[406 / 1406] NIOConcurrencyHelpers
[416 / 1406]
[423 / 1406] CNIOBoringSSL
[431 / 1406] CNIOBoringSSL
[441 / 1406] CNIOBoringSSL
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[448 / 1406] CNIOBoringSSL
[450 / 1406]
[457 / 1406] CNIOBoringSSL
[461 / 1406] CNIOBoringSSL
[464 / 1406] CNIOBoringSSL
[467 / 1406] CNIOBoringSSL
[470 / 1406] CNIOBoringSSL
[473 / 1406] SwiftASN1
[478 / 1406] CNIOBoringSSL
[481 / 1406] CNIOBoringSSL
[484 / 1406] CryptoBoringWrapper
[498 / 1406] CNIOBoringSSL
[501 / 1406] CNIOBoringSSL
[506 / 1406] CNIOBoringSSL
[512 / 1406] SwiftASN1
[519 / 1406] CNIOBoringSSL
[523 / 1406] CNIOBoringSSL
[524 / 1406] CNIOBoringSSL
[527 / 1406] CNIOBoringSSL
[529 / 1406] CNIOBoringSSL
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[534 / 1406] CNIOBoringSSL
[539 / 1406] CNIOBoringSSL
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[593 / 1406] CNIOBoringSSL
[596 / 1406] CNIOBoringSSL
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[606 / 1406] CNIOBoringSSL
[609 / 1406] CNIOBoringSSL
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[639 / 1406] CNIOBoringSSL
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[689 / 1406] CNIOBoringSSL
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[728 / 1406] CNIOBoringSSL
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[754 / 1406] CNIOBoringSSL
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[806 / 1406] CNIOBoringSSL
[813 / 1406] CNIOBoringSSL
[814 / 1406] CNIOBoringSSL
[817 / 1406] CCryptoBoringSSL
[821 / 1406] CCryptoBoringSSL
[825 / 1406] CNIOBoringSSL
[827 / 1406] CCryptoBoringSSL
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[841 / 1406] CCryptoBoringSSL
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[847 / 1406] CCryptoBoringSSL
[852 / 1406] CCryptoBoringSSL
[853 / 1406] CCryptoBoringSSL
[857 / 1406] CCryptoBoringSSL
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[1154 / 1406] CCryptoBoringSSL
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[1171 / 1406] CCryptoBoringSSL
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[1181 / 1406] CCryptoBoringSSL
[1187 / 1406]
[1201 / 1406]
[1205 / 1406]
[1210 / 1406] SwiftASN1
[1211 / 1406]
[1217 / 1406] _NIOBase64
[1222 / 1406] NIOConcurrencyHelpers
[1225 / 1406] NIOConcurrencyHelpers-product
[1230 / 1406] Logging
[1234 / 1406] Logging
[1242 / 1406] InternalCollectionsUtilities
[1247 / 1406] InternalCollectionsUtilities
[1249 / 1406] CryptoBoringWrapper
[1258 / 1406] Crypto
[1262 / 1406] Crypto
[1263 / 1406] CryptoExtras
[1271 / 1406] CNIOBoringSSL
[1279 / 1408] CNIOFreeBSD
[1289 / 1426]
[1296 / 1426] Atomics-product
[1303 / 1426] CCryptoBoringSSL
[1308 / 1426] Atomics
[1314 / 1426] _NIODataStructures
[1323 / 1431] SpanPreview
[1335 / 1433] CryptoBoringWrapper
[1343 / 1444] CNIODarwin
[1346 / 1444] DequeModule
[1347 / 1456] DequeModule
[1351 / 1456] CryptoExtras
[1355 / 1456] CryptoExtras
[1358 / 1456] CryptoExtras
[1368 / 1456] _CryptoExtras
[1371 / 1457]
[1380 / 1458] CryptoExtras
[1382 / 1460] _CryptoExtras
[1392 / 1474]
[1399 / 1474] NIOCore
[1401 / 1485] PerfectSMTPCore
[1404 / 1485] PerfectSMTPCore
[1411 / 1485] PerfectSMTPCore-product
[1415 / 1485] PerfectSMTPCore
[1418 / 1485] NIOCore
[1422 / 1485] CryptoExtras
[1423 / 1485] PerfectSMTPCore
[1426 / 1485] NIOCore
[1426 / 1485] CNIOAtomics
[1428 / 1485] NIOCore
[1436 / 1487] NIOEmbedded
[1440 / 1491] NIOCore
[1446 / 1506] NIOEmbedded
[1461 / 1506] NIOPosix
[1462 / 1506] NIOPosix
[1463 / 1506] NIOPosix
[1464 / 1506] NIOEmbedded
[1465 / 1506] NIOPosix
[1472 / 1507] NIO
[1482 / 1510] NIOPosix
[1482 / 1511] NIOTLS
[1488 / 1516] NIOTLS
[1495 / 1517] NIOTLS
[1496 / 1517] NIOSSL
[1497 / 1530]
[1508 / 1530] NIOSSL
[1509 / 1530] NIOSSL
[1516 / 1531] NIOSSL
[1516 / 1531] PerfectSMTP
[1525 / 1542] PerfectSMTP
[1527 / 1542] PerfectSMTP
[1534 / 1542] PerfectSMTP
[1537 / 1542]
[1539 / 1542] PerfectSMTP
Build complete! (41.83 sec)
Fetching https://github.com/apple/swift-nio.git
Fetching https://github.com/apple/swift-log.git
Fetching https://github.com/apple/swift-crypto.git
Fetching https://github.com/apple/swift-nio-ssl.git
[1/8257] Fetching swift-log
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[11538/130077] Fetching swift-log, swift-crypto, swift-nio-ssl, swift-nio
Fetched https://github.com/apple/swift-nio-ssl.git (3.45s)
[82995/113221] Fetching swift-log, swift-crypto, swift-nio
Fetched https://github.com/apple/swift-crypto.git (7.65s)
Fetched https://github.com/apple/swift-nio.git (7.65s)
Fetched https://github.com/apple/swift-log.git (7.65s)
Computing version for https://github.com/apple/swift-crypto.git
Computed https://github.com/apple/swift-crypto.git at 4.5.1 (10.52s)
Fetching https://github.com/apple/swift-asn1.git
[1/1995] Fetching swift-asn1
Fetched https://github.com/apple/swift-asn1.git (1.07s)
Computing version for https://github.com/apple/swift-asn1.git
Computed https://github.com/apple/swift-asn1.git at 1.7.3 (1.77s)
Computing version for https://github.com/apple/swift-nio-ssl.git
Computed https://github.com/apple/swift-nio-ssl.git at 2.37.5 (0.61s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.104.0 (0.68s)
Fetching https://github.com/apple/swift-atomics.git
Fetching https://github.com/apple/swift-system.git
Fetching https://github.com/apple/swift-collections.git
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Fetched https://github.com/apple/swift-atomics.git (1.11s)
[2753/35932] Fetching swift-system, swift-collections
Fetched https://github.com/apple/swift-system.git (3.24s)
Fetched https://github.com/apple/swift-collections.git (3.24s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.1 (3.88s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.7.2 (0.67s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.8.1 (0.59s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.16.1 (0.57s)
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-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.7.2
Creating working copy for https://github.com/apple/swift-crypto.git
Working copy of https://github.com/apple/swift-crypto.git resolved at 4.5.1
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-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-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.104.0
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-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.16.1
/Users/admin/builder/spi-builder-workspace/Sources/PerfectSMTP/SMTPConnection.swift:110:38: [1;33mwarning: [1;39m'inbound' is deprecated: Use the executeThenClose scoped method instead.[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m108 |[0;0m // deliberately left visible rather than suppressed, as an honest
[0;36m109 |[0;0m // signal of this judgment call to anyone reading build output.
[0;36m110 |[0;0m self.iterator = asyncChannel.inbound.makeAsyncIterator()
[0;36m|[0;0m `- [1;33mwarning: [1;39m'inbound' is deprecated: Use the executeThenClose scoped method instead.[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m111 |[0;0m self.outbound = asyncChannel.outbound
[0;36m112 |[0;0m self.capabilities = Capabilities()
/Users/admin/builder/spi-builder-workspace/Sources/PerfectSMTP/SMTPConnection.swift:111:38: [1;33mwarning: [1;39m'outbound' is deprecated: Use the executeThenClose scoped method instead.[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m109 |[0;0m // signal of this judgment call to anyone reading build output.
[0;36m110 |[0;0m self.iterator = asyncChannel.inbound.makeAsyncIterator()
[0;36m111 |[0;0m self.outbound = asyncChannel.outbound
[0;36m|[0;0m `- [1;33mwarning: [1;39m'outbound' is deprecated: Use the executeThenClose scoped method instead.[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m112 |[0;0m self.capabilities = Capabilities()
[0;36m113 |[0;0m self.ehloHostname = ehloHostname
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
Build complete.
{
"dependencies" : [
{
"identity" : "swift-nio",
"requirement" : {
"range" : [
{
"lower_bound" : "2.65.0",
"upper_bound" : "3.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-nio.git"
},
{
"identity" : "swift-nio-ssl",
"requirement" : {
"range" : [
{
"lower_bound" : "2.27.0",
"upper_bound" : "3.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-nio-ssl.git"
},
{
"identity" : "swift-log",
"requirement" : {
"range" : [
{
"lower_bound" : "1.5.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-log.git"
},
{
"identity" : "swift-crypto",
"requirement" : {
"exact" : [
"4.5.1"
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-crypto.git"
}
],
"manifest_display_name" : "PerfectSMTP",
"name" : "PerfectSMTP",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "12.0"
}
],
"products" : [
{
"name" : "PerfectSMTPCore",
"targets" : [
"PerfectSMTPCore"
],
"type" : {
"library" : [
"automatic"
]
}
},
{
"name" : "PerfectSMTP",
"targets" : [
"PerfectSMTP"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "PerfectSMTPTests",
"module_type" : "SwiftTarget",
"name" : "PerfectSMTPTests",
"path" : "Tests/PerfectSMTPTests",
"product_dependencies" : [
"NIOEmbedded"
],
"sources" : [
"DNS/DNSAddressExtractionTests.swift",
"DNS/DNSAddressRoutabilityTests.swift",
"DNS/DNSResolverCNAMEFollowingTests.swift",
"DNS/DNSResolverIntegrationTests.swift",
"DNS/DNSResolverMXOrderingTests.swift",
"DNS/DNSTestFixtures.swift",
"DNS/DNSTransportTests.swift",
"DNS/DNSWireFormatTests.swift",
"DNS/FakeDNSServer.swift",
"DirectMX/DirectMXMTASTSEnforceTests.swift",
"DirectMX/DirectMXOpportunisticTLSTests.swift",
"DirectMX/DirectMXRealSocketTests.swift",
"DirectMX/DirectMXRetryQueueTests.swift",
"DirectMX/DirectMXTestHelpers.swift",
"DirectMX/DirectMXTransportTests.swift",
"DirectMX/FakeMXResolver.swift",
"LocalMTATransportTests.swift",
"MTASTS/MTASTSHTTPFetcherRedirectTests.swift",
"MTASTS/MTASTSPolicyManagerCacheTests.swift",
"MTASTS/MTASTSPolicyManagerProtocolReviewFixesTests.swift",
"MTASTS/MTASTSPolicyManagerStalenessAndCapacityTests.swift",
"MTASTS/MTASTSPolicyParsingTests.swift",
"MTASTS/MTASTSTestFakes.swift",
"MTASTS/MXPatternMatcherTests.swift",
"PerfectSMTPStubTests.swift",
"RelayTransportPoolHealthTests.swift",
"SMTPBootstrapTimeoutTests.swift",
"SMTPConnectionPoolTests.swift",
"SMTPConnectionStateMachineTests.swift",
"SMTPConnectionTeardownTests.swift",
"SMTPMailerBatchFanoutTests.swift",
"SMTPMailerDKIMIntegrationTests.swift",
"SMTPMailerStreamingSendTests.swift",
"SMTPResponseDecoderCapsTests.swift",
"STARTTLSRealSocketTests.swift",
"STARTTLSTests.swift",
"TestHelpers.swift"
],
"target_dependencies" : [
"PerfectSMTP"
],
"type" : "test"
},
{
"c99name" : "PerfectSMTPCoreTests",
"module_type" : "SwiftTarget",
"name" : "PerfectSMTPCoreTests",
"path" : "Tests/PerfectSMTPCoreTests",
"product_dependencies" : [
"Crypto",
"_CryptoExtras"
],
"sources" : [
"BugRegressionTests.swift",
"DKIMCanonicalizationTests.swift",
"DKIMRealVectorTests.swift",
"DKIMSignerTests.swift",
"DeliverabilityHeadersTests.swift",
"DotStuffingTests.swift",
"EncodersTests.swift",
"HeaderEncoderTests.swift",
"MIMEComposerTests.swift",
"SMTPEnvelopeTests.swift",
"SMTPReplyTests.swift",
"TestHelpers.swift"
],
"target_dependencies" : [
"PerfectSMTPCore"
],
"type" : "test"
},
{
"c99name" : "PerfectSMTPCore",
"module_type" : "SwiftTarget",
"name" : "PerfectSMTPCore",
"path" : "Sources/PerfectSMTPCore",
"product_dependencies" : [
"Crypto",
"_CryptoExtras"
],
"product_memberships" : [
"PerfectSMTPCore",
"PerfectSMTP"
],
"sources" : [
"DKIM/DKIMCanonicalization.swift",
"DKIM/DKIMSigner.swift",
"DKIM/DKIMSigningInput.swift",
"DKIM/SigningKey.swift",
"DeliveryResult.swift",
"DotStuffing.swift",
"EmailAddress.swift",
"EmailMessage.swift",
"Encoders.swift",
"HeaderEncoder.swift",
"MIMEComposer.swift",
"MessageSigner.swift",
"RFC5322Message.swift",
"RetryBackoffPolicy.swift",
"SMTPEnvelope.swift",
"SMTPError.swift",
"SMTPReply.swift"
],
"type" : "library"
},
{
"c99name" : "PerfectSMTP",
"module_type" : "SwiftTarget",
"name" : "PerfectSMTP",
"path" : "Sources/PerfectSMTP",
"product_dependencies" : [
"NIO",
"NIOConcurrencyHelpers",
"NIOCore",
"NIOPosix",
"NIOSSL",
"NIOTLS",
"Logging"
],
"product_memberships" : [
"PerfectSMTP"
],
"sources" : [
"Capabilities.swift",
"DNS/DNSAddress.swift",
"DNS/DNSResolver.swift",
"DNS/DNSTCPFrameDecoder.swift",
"DNS/DNSTransport.swift",
"DNS/DNSWireFormat.swift",
"DirectMX/DirectMXRetryQueue.swift",
"DirectMX/DirectMXTransport.swift",
"DirectMX/MXResolving.swift",
"LocalMTATransport.swift",
"MTASTS/MTASTSAddressResolving.swift",
"MTASTS/MTASTSHTTPFetching.swift",
"MTASTS/MTASTSPolicy.swift",
"MTASTS/MTASTSPolicyManager.swift",
"MTASTS/MXPatternMatcher.swift",
"MTASTS/TXTResolving.swift",
"PerfectSMTP.swift",
"RelayTransport.swift",
"SASLMechanism.swift",
"SMTPBootstrapHandler.swift",
"SMTPCommand.swift",
"SMTPConnection.swift",
"SMTPConnectionPool.swift",
"SMTPMailer.swift",
"SMTPResponseDecoder.swift",
"SMTPTransport.swift"
],
"target_dependencies" : [
"PerfectSMTPCore"
],
"type" : "library"
}
],
"tools_version" : "6.2"
}
Done.