Swift Package Index

Build Information

Failed to build SwiftMail, reference 1.16.0 (88c45c), with Swift 6.4 for Android on 12 Oct 2026 10:45:33 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344845-1":/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: 5.1.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Cocoanetics/SwiftMail.git
Reference: 1.16.0
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/Cocoanetics/SwiftMail
 * tag               1.16.0     -> FETCH_HEAD
HEAD is now at 88c45cb Keep backslashes in filenames that Outlook writes unescaped (#254)
Cloned https://github.com/Cocoanetics/SwiftMail.git
Revision (git rev-parse @):
88c45cbd31b347b373f7c87e197be63eb95efbc2
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/Cocoanetics/SwiftMail.git at 1.16.0
========================================
Build
========================================
Selected platform:         android
Swift version:             6.4
Building package at path:  $PWD
https://github.com/Cocoanetics/SwiftMail.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344845-1":/host -w "$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: sha256:34a00a57f57797b403a98b861c3ce940f20735b4cb78ef45654f0d4f3b0c0295
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:android-6.4-latest
Fetching https://github.com/apple/swift-nio-imap
[1/37809] Fetching swift-nio-imap
Fetched https://github.com/apple/swift-nio-imap (1.33s)
Fetching https://github.com/apple/swift-log
Fetching https://github.com/apple/swift-argument-parser
Fetching https://github.com/Cocoanetics/SwiftCross
Fetching https://github.com/apple/swift-nio-ssl
Fetching https://github.com/apple/swift-nio
Fetching https://github.com/apple/swift-collections
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[2/8377] Fetching swift-log, swiftcross
Fetched https://github.com/Cocoanetics/SwiftCross (0.43s)
[5202/8257] Fetching swift-log
Fetching https://github.com/apple/swift-testing
[8258/25137] Fetching swift-log, swift-nio-ssl
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[41501/159333] Fetching swift-log, swift-nio-ssl, swift-argument-parser, swift-collections, swift-nio
Fetched https://github.com/apple/swift-argument-parser (0.93s)
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Fetching https://github.com/apple/swift-nio-extras
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Fetched https://github.com/apple/swift-collections (1.61s)
Fetching https://github.com/thebarndog/swift-dotenv
[115215/162902] Fetching swift-log, swift-nio-ssl, swift-nio, swift-testing, swift-nio-extras
Fetched https://github.com/apple/swift-nio-ssl (1.62s)
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Fetched https://github.com/apple/swift-nio-extras (0.79s)
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[119870/139849] Fetching swift-log, swift-nio, swift-testing, swift-dotenv
Fetched https://github.com/thebarndog/swift-dotenv (0.57s)
[122042/139318] Fetching swift-log, swift-nio, swift-testing
Fetched https://github.com/apple/swift-testing (2.11s)
Fetched https://github.com/apple/swift-log (3.84s)
Fetched https://github.com/apple/swift-nio (3.87s)
Computing version for https://github.com/apple/swift-testing
Computed https://github.com/apple/swift-testing at 6.3.2 (5.40s)
Fetching https://github.com/swiftlang/swift-syntax.git
[1/80463] Fetching swift-syntax
Fetched https://github.com/swiftlang/swift-syntax.git (3.90s)
Computing version for https://github.com/Cocoanetics/SwiftCross
Computed https://github.com/Cocoanetics/SwiftCross at 1.2.0 (4.07s)
Computing version for https://github.com/thebarndog/swift-dotenv
Computed https://github.com/thebarndog/swift-dotenv at 2.1.0 (0.13s)
Computing version for https://github.com/apple/swift-nio
Computed https://github.com/apple/swift-nio at 2.104.0 (0.27s)
Fetching https://github.com/apple/swift-system.git
Fetching https://github.com/apple/swift-atomics.git
[1/1889] Fetching swift-atomics
Fetched https://github.com/apple/swift-atomics.git (0.72s)
[1/7241] Fetching swift-system
Fetched https://github.com/apple/swift-system.git (1.26s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.1 (1.41s)
Computing version for https://github.com/apple/swift-log
Computed https://github.com/apple/swift-log at 1.16.1 (0.16s)
Computing version for https://github.com/apple/swift-nio-ssl
Computed https://github.com/apple/swift-nio-ssl at 2.37.5 (0.19s)
Computing version for https://github.com/apple/swift-collections
Computed https://github.com/apple/swift-collections at 1.7.2 (0.23s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.8.2 (0.15s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.8.1 (0.18s)
Computing version for https://github.com/apple/swift-nio-extras
Computed https://github.com/apple/swift-nio-extras at 1.35.1 (0.98s)
Fetching https://github.com/swift-server/swift-service-lifecycle.git
Fetching https://github.com/apple/swift-certificates.git
Fetching https://github.com/apple/swift-algorithms.git
Fetching https://github.com/apple/swift-http-types.git
Fetching https://github.com/apple/swift-async-algorithms.git
Fetching https://github.com/apple/swift-http-structured-headers.git
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Fetched https://github.com/apple/swift-http-structured-headers.git (0.73s)
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Fetching https://github.com/apple/swift-asn1.git
Fetched https://github.com/apple/swift-async-algorithms.git (0.87s)
Fetched https://github.com/apple/swift-certificates.git (0.87s)
Fetching https://github.com/apple/swift-nio-http2.git
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Fetched https://github.com/swift-server/swift-service-lifecycle.git (1.07s)
Fetched https://github.com/apple/swift-http-types.git (1.07s)
Fetched https://github.com/apple/swift-algorithms.git (1.07s)
[1/2009] Fetching swift-asn1
Fetched https://github.com/apple/swift-asn1.git (0.58s)
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Fetched https://github.com/apple/swift-nio-http2.git (1.42s)
Computing version for https://github.com/apple/swift-algorithms.git
Computed https://github.com/apple/swift-algorithms.git at 1.2.1 (3.20s)
Fetching https://github.com/apple/swift-numerics.git
[1/6743] Fetching swift-numerics
Fetched https://github.com/apple/swift-numerics.git (0.60s)
Computing version for https://github.com/apple/swift-numerics.git
Computed https://github.com/apple/swift-numerics.git at 1.1.1 (0.75s)
Computing version for https://github.com/swift-server/swift-service-lifecycle.git
Computed https://github.com/swift-server/swift-service-lifecycle.git at 2.12.1 (0.14s)
Computing version for https://github.com/apple/swift-async-algorithms.git
Computed https://github.com/apple/swift-async-algorithms.git at 1.1.7 (0.18s)
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 (0.14s)
Computing version for https://github.com/apple/swift-http-types.git
Computed https://github.com/apple/swift-http-types.git at 1.8.0 (0.18s)
Computing version for https://github.com/apple/swift-asn1.git
Computed https://github.com/apple/swift-asn1.git at 1.7.3 (0.17s)
Computing version for https://github.com/apple/swift-certificates.git
Computed https://github.com/apple/swift-certificates.git at 1.21.0 (0.20s)
Fetching https://github.com/apple/swift-crypto.git
[1/18629] Fetching swift-crypto
Fetched https://github.com/apple/swift-crypto.git (1.22s)
Computing version for https://github.com/apple/swift-crypto.git
Computed https://github.com/apple/swift-crypto.git at 5.0.1 (1.47s)
Computing version for https://github.com/apple/swift-nio-http2.git
Computed https://github.com/apple/swift-nio-http2.git at 1.46.0 (0.16s)
Computing version for https://github.com/swiftlang/swift-syntax.git
Computed https://github.com/swiftlang/swift-syntax.git at 603.0.2 (0.27s)
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-extras
Working copy of https://github.com/apple/swift-nio-extras resolved at 1.35.1
Creating working copy for https://github.com/apple/swift-nio-ssl
Working copy of https://github.com/apple/swift-nio-ssl resolved at 2.37.5
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-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-nio
Working copy of https://github.com/apple/swift-nio resolved at 2.104.0
Creating working copy for https://github.com/apple/swift-nio-imap
Working copy of https://github.com/apple/swift-nio-imap resolved at 14ad3887dab9ca5aba38ee0ace18fddf40e9491f
Creating working copy for https://github.com/swiftlang/swift-syntax.git
Working copy of https://github.com/swiftlang/swift-syntax.git resolved at 603.0.2
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/Cocoanetics/SwiftCross
Working copy of https://github.com/Cocoanetics/SwiftCross resolved at 1.2.0
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 1.1.7
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-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.8.2
Creating working copy for https://github.com/apple/swift-certificates.git
Working copy of https://github.com/apple/swift-certificates.git resolved at 1.21.0
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/thebarndog/swift-dotenv
Working copy of https://github.com/thebarndog/swift-dotenv resolved at 2.1.0
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 2.12.1
Creating working copy for https://github.com/apple/swift-collections
Working copy of https://github.com/apple/swift-collections resolved at 1.7.2
Creating working copy for https://github.com/apple/swift-testing
Working copy of https://github.com/apple/swift-testing resolved at 6.3.2
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-crypto.git
Working copy of https://github.com/apple/swift-crypto.git resolved at 5.0.1
Creating working copy for https://github.com/apple/swift-log
Working copy of https://github.com/apple/swift-log resolved at 1.16.1
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/603.0.2/swift-6.4.0-RELEASE-ubuntu_noble_x86_64-MacroSupport.tar.gz
Downloaded https://download.swift.org/prebuilts/swift-syntax/603.0.2/swift-6.4.0-RELEASE-ubuntu_noble_x86_64-MacroSupport.tar.gz (0.17s)
warning: PIF: Ignoring settings assignments for unknown platform 'DoesNotExist'
warning: PIF: Ignoring settings assignments for unknown platform 'DoesNotExist'
warning: PIF: Ignoring settings assignments for unknown platform 'DoesNotExist'
warning: PIF: Ignoring settings assignments for unknown platform 'DoesNotExist'
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warning: PIF: Ignoring settings assignments for unknown platform 'DoesNotExist'
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warning: PIF: Ignoring settings assignments for unknown platform 'DoesNotExist'
warning: PIF: Ignoring settings assignments for unknown platform 'DoesNotExist'
warning: PIF: Ignoring settings assignments for unknown platform 'DoesNotExist'
warning: PIF: Ignoring settings assignments for unknown platform 'DoesNotExist'
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warning: PIF: Ignoring settings assignments for unknown platform 'DoesNotExist'
warning: PIF: Ignoring settings assignments for unknown platform 'DoesNotExist'
warning: PIF: Ignoring settings assignments for unknown platform 'DoesNotExist'
warning: PIF: Ignoring settings assignments for unknown platform 'DoesNotExist'
warning: PIF: Ignoring settings assignments for unknown platform 'DoesNotExist'
warning: PIF: Ignoring settings assignments for unknown platform 'DoesNotExist'
warning: PIF: Ignoring settings assignments for unknown platform 'DoesNotExist'
warning: PIF: Ignoring settings assignments for unknown platform 'DoesNotExist'
warning: PIF: Ignoring settings assignments for unknown platform 'DoesNotExist'
warning: PIF: Ignoring settings assignments for unknown platform 'DoesNotExist'
warning: PIF: Ignoring settings assignments for unknown platform 'DoesNotExist'
warning: PIF: Ignoring settings assignments for unknown platform 'DoesNotExist'
warning: PIF: Ignoring settings assignments for unknown platform 'DoesNotExist'
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warning: PIF: Ignoring settings assignments for unknown platform 'DoesNotExist'
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warning: PIF: Ignoring settings assignments for unknown platform 'DoesNotExist'
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warning: PIF: Ignoring settings assignments for unknown platform 'DoesNotExist'
warning: PIF: Ignoring settings assignments for unknown platform 'DoesNotExist'
warning: PIF: Ignoring settings assignments for unknown platform 'DoesNotExist'
warning: PIF: Ignoring settings assignments for unknown platform 'DoesNotExist'
warning: PIF: Ignoring settings assignments for unknown platform 'DoesNotExist'
warning: PIF: Ignoring settings assignments for unknown platform 'DoesNotExist'
Building for debugging...
[Computing dependencies]
[Constructing description]
[Pre-planning 1 / 1105]
[Planning 1066 / 1105]
[Planning deferred tasks]
[Starting]
[19 / 782] _NIODataStructures
[211 / 814] _AtomicsShims
[213 / 832] Logging
[213 / 832] _NIODataStructures
[216 / 832] _NIODataStructures
[230 / 832] InternalCollectionsUtilities
[235 / 832] Logging
error: SwiftCompile normal aarch64 failed with a nonzero exit code. Command line:     cd /host

/host/spi-builder-workspace/.build/checkouts/swift-dotenv/Sources/Dotenv.swift:4:8: error: no such module 'Darwin'
  2 | import Glibc
  3 | #else
  4 | import Darwin
    |        `- error: no such module 'Darwin'
  5 | #endif
  6 | import Foundation
Failed frontend command:
/root/.local/share/swiftly/toolchains/6.4.0/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/.build/checkouts/swift-dotenv/Sources/Dotenv.swift /host/spi-builder-workspace/.build/checkouts/swift-dotenv/Sources/String+CamelCase.swift -target aarch64-unknown-linux-android28 -Xllvm -aarch64-use-tbi -disable-objc-interop -sdk /android-ndk/android-ndk-r30/toolchains/llvm/prebuilt/linux-x86_64/sysroot -sysroot /android-ndk/android-ndk-r30/toolchains/llvm/prebuilt/linux-x86_64/sysroot -I /host/spi-builder-workspace/.build/out/Products/Debug-android-aarch64 -module-cache-path /host/spi-builder-workspace/.build/out/ModuleCache.noindex -color-diagnostics -Xcc -fcolor-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -suppress-warnings -swift-version 6 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -external-plugin-path /root/.local/share/swiftly/toolchains/6.4.0/usr/lib/swift/host/plugins/testing\#/root/.local/share/swiftly/toolchains/6.4.0/usr/bin/swift-plugin-server -user-module-version 2.1.0 -validate-clang-modules-once -clang-build-session-file /host/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /host -resource-dir /root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_android.artifactbundle/swift-android/swift-resources/usr/lib/swift-aarch64 -enable-anonymous-context-mangled-names -file-compilation-dir /host -Xcc -resource-dir -Xcc /android-ndk/android-ndk-r30/toolchains/llvm/prebuilt/linux-x86_64/lib/clang/21 -Xcc -fno-omit-frame-pointer -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-android-aarch64/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-dotenv.build/Debug-android-aarch64/SwiftDotenv-t.build/DerivedSources-normal/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-dotenv.build/Debug-android-aarch64/SwiftDotenv-t.build/DerivedSources/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-dotenv.build/Debug-android-aarch64/SwiftDotenv-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SwiftDotenv -package-name swift_dotenv -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-dotenv.build/Debug-android-aarch64/SwiftDotenv-t.build/Objects-normal/aarch64/SwiftDotenv_const_extract_protocols.json -in-process-plugin-server-path /root/.local/share/swiftly/toolchains/6.4.0/usr/lib/swift/host/libSwiftInProcPluginServer.so -plugin-path /root/.local/share/swiftly/toolchains/6.4.0/usr/lib/swift/host/plugins -plugin-path /root/.local/share/swiftly/toolchains/6.4.0/usr/local/lib/swift/host/plugins -emit-module-doc-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-dotenv.build/Debug-android-aarch64/SwiftDotenv-t.build/Objects-normal/aarch64/Modules/SwiftDotenv.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-dotenv.build/Debug-android-aarch64/SwiftDotenv-t.build/Objects-normal/aarch64/Modules/SwiftDotenv.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-dotenv.build/Debug-android-aarch64/SwiftDotenv-t.build/Objects-normal/aarch64/SwiftDotenv-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-dotenv.build/Debug-android-aarch64/SwiftDotenv-t.build/Objects-normal/aarch64/SwiftDotenv-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-dotenv.build/Debug-android-aarch64/SwiftDotenv-t.build/Objects-normal/aarch64/SwiftDotenv-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-dotenv.build/Debug-android-aarch64/SwiftDotenv-t.build/Objects-normal/aarch64/Modules/SwiftDotenv.swiftmodule
error: Build failed
BUILD FAILURE 6.4 android