Swift Package Index

Build Information

Failed to build SwiftMail, reference main (5ed501), with Swift 6.4 for Wasm on 16 Oct 2026 05:25:12 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344847-0":/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:wasm-6.4-latest swift build --swift-sdk swift-6.4.0-RELEASE_wasm 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.3
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Cocoanetics/SwiftMail.git
Reference: main
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
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 5ed5014 Make SMTP connection timeouts configurable and wait five minutes for the greeting (#256)
Cloned https://github.com/Cocoanetics/SwiftMail.git
Revision (git rev-parse @):
5ed5014074e6ee4940acfab18895628ffe45f166
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/Cocoanetics/SwiftMail.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/Cocoanetics/SwiftMail.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344847-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest swift build --swift-sdk swift-6.4.0-RELEASE_wasm 2>&1
wasm-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:7a2e5502d3bb6640f9b2bbb1dadf9967024364ce9ed0ed0bd80cf1b699d193fd
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest
Fetching https://github.com/apple/swift-nio-imap
[1/38048] Fetching swift-nio-imap
Fetched https://github.com/apple/swift-nio-imap (1.21s)
Fetching https://github.com/apple/swift-nio-ssl
Fetching https://github.com/apple/swift-collections
Fetching https://github.com/apple/swift-nio
Fetching https://github.com/apple/swift-log
Fetching https://github.com/apple/swift-testing
Fetching https://github.com/apple/swift-argument-parser
[1/8305] Fetching swift-log
[417/25194] Fetching swift-log, swift-nio-ssl
[12022/44308] Fetching swift-log, swift-nio-ssl, swift-argument-parser
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[50081/117980] Fetching swift-log, swift-nio-ssl, swift-argument-parser, swift-collections, swift-testing
[83295/204468] Fetching swift-log, swift-nio-ssl, swift-argument-parser, swift-collections, swift-testing, swift-nio
Fetched https://github.com/apple/swift-argument-parser (1.72s)
Fetching https://github.com/thebarndog/swift-dotenv
[155949/185354] Fetching swift-log, swift-nio-ssl, swift-collections, swift-testing, swift-nio
Fetched https://github.com/apple/swift-testing (1.73s)
Fetching https://github.com/Cocoanetics/SwiftCross
[112000/140541] Fetching swift-log, swift-nio-ssl, swift-collections, swift-nio
[112866/141072] Fetching swift-log, swift-nio-ssl, swift-collections, swift-nio, swift-dotenv
[113397/141192] Fetching swift-log, swift-nio-ssl, swift-collections, swift-nio, swift-dotenv, swiftcross
Fetched https://github.com/thebarndog/swift-dotenv (0.35s)
[112935/140661] Fetching swift-log, swift-nio-ssl, swift-collections, swift-nio, swiftcross
Fetching https://github.com/apple/swift-nio-extras
Fetched https://github.com/Cocoanetics/SwiftCross (0.42s)
[114595/140541] Fetching swift-log, swift-nio-ssl, swift-collections, swift-nio
[119785/147246] Fetching swift-log, swift-nio-ssl, swift-collections, swift-nio, swift-nio-extras
Fetched https://github.com/apple/swift-nio-extras (0.71s)
[124109/140541] Fetching swift-log, swift-nio-ssl, swift-collections, swift-nio
Fetched https://github.com/apple/swift-log (4.25s)
Fetched https://github.com/apple/swift-nio-ssl (4.25s)
Fetched https://github.com/apple/swift-collections (4.26s)
Fetched https://github.com/apple/swift-nio (4.28s)
Computing version for https://github.com/apple/swift-testing
Computed https://github.com/apple/swift-testing at 6.3.2 (5.62s)
Fetching https://github.com/swiftlang/swift-syntax.git
[1/80787] Fetching swift-syntax
Fetched https://github.com/swiftlang/swift-syntax.git (3.42s)
Computing version for https://github.com/Cocoanetics/SwiftCross
Computed https://github.com/Cocoanetics/SwiftCross at 1.2.0 (3.57s)
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 (0.26s)
Fetching https://github.com/apple/swift-atomics.git
Fetching https://github.com/apple/swift-system.git
[1/1889] Fetching swift-atomics
Fetched https://github.com/apple/swift-atomics.git (0.46s)
[1/7288] Fetching swift-system
Fetched https://github.com/apple/swift-system.git (0.66s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.1 (0.82s)
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 1.7.3 (0.23s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.8.2 (0.16s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.8.1 (0.19s)
Computing version for https://github.com/apple/swift-nio-extras
Computed https://github.com/apple/swift-nio-extras at 1.35.1 (0.99s)
Fetching https://github.com/swift-server/swift-service-lifecycle.git
Fetching https://github.com/apple/swift-algorithms.git
Fetching https://github.com/apple/swift-async-algorithms.git
Fetching https://github.com/apple/swift-asn1.git
Fetching https://github.com/apple/swift-http-structured-headers.git
Fetching https://github.com/apple/swift-nio-http2.git
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Fetched https://github.com/apple/swift-http-structured-headers.git (0.42s)
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Fetching https://github.com/apple/swift-certificates.git
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[11747/17905] Fetching swift-asn1, swift-service-lifecycle, swift-async-algorithms, swift-algorithms
[12055/30199] Fetching swift-asn1, swift-service-lifecycle, swift-async-algorithms, swift-algorithms, swift-nio-http2
[20119/37812] Fetching swift-asn1, swift-service-lifecycle, swift-async-algorithms, swift-algorithms, swift-nio-http2, swift-certificates
Fetched https://github.com/swift-server/swift-service-lifecycle.git (0.92s)
Fetching https://github.com/apple/swift-http-types.git
[19183/34938] Fetching swift-asn1, swift-async-algorithms, swift-algorithms, swift-nio-http2, swift-certificates
Fetched https://github.com/apple/swift-certificates.git (0.61s)
Fetched https://github.com/apple/swift-asn1.git (1.24s)
Fetched https://github.com/apple/swift-algorithms.git (1.24s)
Fetched https://github.com/apple/swift-async-algorithms.git (1.24s)
[1/1939] Fetching swift-http-types
Fetched https://github.com/apple/swift-nio-http2.git (1.24s)
Fetched https://github.com/apple/swift-http-types.git (0.40s)
Computing version for https://github.com/apple/swift-algorithms.git
Computed https://github.com/apple/swift-algorithms.git at 1.2.1 (2.21s)
Fetching https://github.com/apple/swift-numerics.git
[1/6756] Fetching swift-numerics
Fetched https://github.com/apple/swift-numerics.git (0.54s)
Computing version for https://github.com/apple/swift-numerics.git
Computed https://github.com/apple/swift-numerics.git at 1.1.1 (0.69s)
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 (0.16s)
Computing version for https://github.com/apple/swift-http-types.git
Computed https://github.com/apple/swift-http-types.git at 1.8.0 (0.19s)
Computing version for https://github.com/swift-server/swift-service-lifecycle.git
Computed https://github.com/swift-server/swift-service-lifecycle.git at 2.13.0 (0.15s)
Computing version for https://github.com/apple/swift-async-algorithms.git
Computed https://github.com/apple/swift-async-algorithms.git at 1.1.7 (0.19s)
Computing version for https://github.com/apple/swift-asn1.git
Computed https://github.com/apple/swift-asn1.git at 1.7.3 (0.19s)
Computing version for https://github.com/apple/swift-certificates.git
Computed https://github.com/apple/swift-certificates.git at 1.21.0 (0.22s)
Fetching https://github.com/apple/swift-crypto.git
[1/18642] Fetching swift-crypto
Fetched https://github.com/apple/swift-crypto.git (1.67s)
Computing version for https://github.com/apple/swift-crypto.git
Computed https://github.com/apple/swift-crypto.git at 5.0.1 (1.92s)
Computing version for https://github.com/apple/swift-nio-http2.git
Computed https://github.com/apple/swift-nio-http2.git at 1.46.0 (0.17s)
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-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-testing
Working copy of https://github.com/apple/swift-testing resolved at 6.3.2
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-collections
Working copy of https://github.com/apple/swift-collections resolved at 1.7.3
Creating working copy for https://github.com/apple/swift-log
Working copy of https://github.com/apple/swift-log resolved at 1.16.1
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/Cocoanetics/SwiftCross
Working copy of https://github.com/Cocoanetics/SwiftCross resolved at 1.2.0
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/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-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-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-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-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/swift-server/swift-service-lifecycle.git
Working copy of https://github.com/swift-server/swift-service-lifecycle.git resolved at 2.13.0
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/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-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-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-asn1.git
Working copy of https://github.com/apple/swift-asn1.git resolved at 1.7.3
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-nio-ssl
Working copy of https://github.com/apple/swift-nio-ssl resolved at 2.37.5
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 (0.18s)
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'
Building for debugging...
[Computing dependencies]
[Constructing description]
[Pre-planning 1 / 1105]
[Planning deferred tasks]
[Starting]
[11 / 747] _NIODataStructures
[181 / 789] InternalCollectionsUtilities
[182 / 797] Logging
[183 / 797] _NIOBase64
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error: SwiftCompile normal wasm32 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:
/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 wasm32-unknown-wasip1 -disable-objc-interop -sdk /root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk -sysroot /root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk -I /host/spi-builder-workspace/.build/out/Products/Debug-webassembly-wasm32 -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 /usr/lib/swift/host/plugins/testing\#/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_wasm.artifactbundle/swift-6.4.0-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static -use-static-resource-dir -enable-anonymous-context-mangled-names -file-compilation-dir /host -Xcc -resource-dir -Xcc /root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/clang -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-webassembly-wasm32/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-dotenv.build/Debug-webassembly-wasm32/SwiftDotenv-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-dotenv.build/Debug-webassembly-wasm32/SwiftDotenv-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-dotenv.build/Debug-webassembly-wasm32/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-webassembly-wasm32/SwiftDotenv-t.build/Objects-normal/wasm32/SwiftDotenv_const_extract_protocols.json -in-process-plugin-server-path /usr/lib/swift/host/libSwiftInProcPluginServer.so -plugin-path /usr/lib/swift/host/plugins -plugin-path /usr/local/lib/swift/host/plugins -emit-module-doc-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-dotenv.build/Debug-webassembly-wasm32/SwiftDotenv-t.build/Objects-normal/wasm32/Modules/SwiftDotenv.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-dotenv.build/Debug-webassembly-wasm32/SwiftDotenv-t.build/Objects-normal/wasm32/Modules/SwiftDotenv.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-dotenv.build/Debug-webassembly-wasm32/SwiftDotenv-t.build/Objects-normal/wasm32/SwiftDotenv-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-dotenv.build/Debug-webassembly-wasm32/SwiftDotenv-t.build/Objects-normal/wasm32/SwiftDotenv-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-dotenv.build/Debug-webassembly-wasm32/SwiftDotenv-t.build/Objects-normal/wasm32/SwiftDotenv-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-dotenv.build/Debug-webassembly-wasm32/SwiftDotenv-t.build/Objects-normal/wasm32/Modules/SwiftDotenv.swiftmodule
error: Build failed
BUILD FAILURE 6.4 wasm