MailCore – Build Information – Swift Package Index

Build Information

Failed to build MailCore, reference 3.1.2 (437167), with Swift 6.4 for Wasm on 18 Sep 2026 02:02:40 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344843-0":/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.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/liveui/mailcore.git
Reference: 3.1.2
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/liveui/mailcore
 * tag               3.1.2      -> FETCH_HEAD
HEAD is now at 4371672 upgrading packages
Cloned https://github.com/liveui/mailcore.git
Revision (git rev-parse @):
43716728291958a4bbe278720c85aef13cb8c248
SUCCESS checkout https://github.com/liveui/mailcore.git at 3.1.2
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/liveui/mailcore.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344843-0":/host -w "$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.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1
wasm-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:4328fdb43c680d205c1d6761b1e3267aa38277eefdda9ddfb17b6a0f1a77857a
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest
Fetching https://github.com/IBM-Swift/Swift-SMTP.git
Fetching https://github.com/vapor-community/sendgrid-provider.git
Fetching https://github.com/LiveUI/VaporTestTools.git
Fetching https://github.com/vapor/vapor.git
Fetching https://github.com/twof/VaporMailgunService.git
[1/337] Fetching vaportesttools
[338/2987] Fetching vaportesttools, swift-smtp
Fetched https://github.com/IBM-Swift/Swift-SMTP.git (0.57s)
[1/1079] Fetching sendgrid-provider
[1016/2128] Fetching sendgrid-provider, vapormailgunservice
Fetched https://github.com/vapor-community/sendgrid-provider.git (0.96s)
[189/1049] Fetching vapormailgunservice
Fetched https://github.com/twof/VaporMailgunService.git (1.08s)
[1/81712] Fetching vapor
Fetching https://github.com/IBM-Swift/LoggerAPI.git
[81713/82496] Fetching vapor, loggerapi
Fetched https://github.com/LiveUI/VaporTestTools.git (3.26s)
Fetched https://github.com/IBM-Swift/LoggerAPI.git (0.94s)
Fetched https://github.com/vapor/vapor.git (3.27s)
Computing version for https://github.com/IBM-Swift/LoggerAPI.git
Computed https://github.com/IBM-Swift/LoggerAPI.git at 1.8.1 (4.37s)
Computing version for https://github.com/vapor-community/sendgrid-provider.git
Computed https://github.com/vapor-community/sendgrid-provider.git at 3.0.6 (0.18s)
Computing version for https://github.com/twof/VaporMailgunService.git
Computed https://github.com/twof/VaporMailgunService.git at 1.8.1 (0.17s)
Computing version for https://github.com/LiveUI/VaporTestTools.git
Computed https://github.com/LiveUI/VaporTestTools.git at 0.1.7 (0.18s)
Fetching https://github.com/apple/swift-nio.git
[1/86022] Fetching swift-nio
Fetched https://github.com/apple/swift-nio.git (3.59s)
Computing version for https://github.com/IBM-Swift/Swift-SMTP.git
Computed https://github.com/IBM-Swift/Swift-SMTP.git at 5.1.2 (0.18s)
Fetching https://github.com/IBM-Swift/BlueCryptor.git
Fetching https://github.com/IBM-Swift/BlueSSLService.git
Fetching https://github.com/IBM-Swift/BlueSocket.git
[1/2077] Fetching bluesslservice
[105/3735] Fetching bluesslservice, bluecryptor
[139/6677] Fetching bluesslservice, bluecryptor, bluesocket
Fetched https://github.com/IBM-Swift/BlueCryptor.git (0.51s)
Fetched https://github.com/IBM-Swift/BlueSSLService.git (0.51s)
Fetched https://github.com/IBM-Swift/BlueSocket.git (0.52s)
Computing version for https://github.com/vapor/vapor.git
Computed https://github.com/vapor/vapor.git at 3.3.3 (0.74s)
Fetching https://github.com/vapor/multipart.git
Fetching https://github.com/vapor/service.git
Fetching https://github.com/vapor/template-kit.git
Fetching https://github.com/vapor/validation.git
Fetching https://github.com/vapor/websocket.git
Fetching https://github.com/vapor/database-kit.git
[1/2670] Fetching websocket
[2/8948] Fetching websocket, multipart
[91/9527] Fetching websocket, multipart, validation
[298/10446] Fetching websocket, multipart, validation, service
[1083/11627] Fetching websocket, multipart, validation, service, database-kit
Fetched https://github.com/vapor/service.git (0.48s)
Fetching https://github.com/vapor/routing.git
[5744/11990] Fetching websocket, multipart, validation, database-kit, template-kit
Fetched https://github.com/vapor/validation.git (0.52s)
Fetching https://github.com/vapor/http.git
Fetched https://github.com/vapor/database-kit.git (0.52s)
Fetched https://github.com/vapor/template-kit.git (0.52s)
Fetching https://github.com/vapor/url-encoded-form.git
Fetching https://github.com/vapor/core.git
[4304/34415] Fetching websocket, multipart, http
[4305/54558] Fetching websocket, multipart, http, core
[6384/76108] Fetching websocket, multipart, http, core, routing
[12076/76489] Fetching websocket, multipart, http, core, routing, url-encoded-form
Fetched https://github.com/vapor/url-encoded-form.git (0.47s)
[21836/76108] Fetching websocket, multipart, http, core, routing
Fetching https://github.com/vapor/console.git
Fetched https://github.com/vapor/multipart.git (1.31s)
Fetching https://github.com/vapor/crypto.git
[1/6843] Fetching console
Fetched https://github.com/vapor/core.git (1.15s)
Fetched https://github.com/vapor/routing.git (1.23s)
Fetched https://github.com/vapor/console.git (0.72s)
Fetched https://github.com/vapor/websocket.git (1.73s)
Fetched https://github.com/vapor/http.git (1.22s)
[1/2786] Fetching crypto
Fetched https://github.com/vapor/crypto.git (0.50s)
Computing version for https://github.com/vapor/http.git
Computed https://github.com/vapor/http.git at 3.4.0 (2.04s)
Fetching https://github.com/apple/swift-nio-ssl.git
[1/16065] Fetching swift-nio-ssl
Fetched https://github.com/apple/swift-nio-ssl.git (1.03s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 1.14.4 (1.24s)
Fetching https://github.com/apple/swift-nio-zlib-support.git
[1/15] Fetching swift-nio-zlib-support
Fetched https://github.com/apple/swift-nio-zlib-support.git (0.40s)
Computing version for https://github.com/apple/swift-nio-zlib-support.git
Computed https://github.com/apple/swift-nio-zlib-support.git at 1.0.0 (0.58s)
Computing version for https://github.com/vapor/validation.git
Computed https://github.com/vapor/validation.git at 2.1.1 (0.22s)
Computing version for https://github.com/vapor/service.git
Computed https://github.com/vapor/service.git at 1.0.2 (0.17s)
Computing version for https://github.com/vapor/routing.git
Computed https://github.com/vapor/routing.git at 3.1.0 (0.18s)
Computing version for https://github.com/vapor/websocket.git
Computed https://github.com/vapor/websocket.git at 1.1.2 (0.18s)
Computing version for https://github.com/apple/swift-nio-ssl.git
Computed https://github.com/apple/swift-nio-ssl.git at 1.4.0 (0.18s)
Fetching https://github.com/apple/swift-nio-ssl-support.git
[1/16] Fetching swift-nio-ssl-support
Fetched https://github.com/apple/swift-nio-ssl-support.git (0.44s)
Computing version for https://github.com/apple/swift-nio-ssl-support.git
Computed https://github.com/apple/swift-nio-ssl-support.git at 1.0.0 (0.62s)
Computing version for https://github.com/vapor/crypto.git
Computed https://github.com/vapor/crypto.git at 3.4.1 (0.18s)
Computing version for https://github.com/vapor/console.git
Computed https://github.com/vapor/console.git at 3.1.1 (0.19s)
Computing version for https://github.com/vapor/database-kit.git
Computed https://github.com/vapor/database-kit.git at 1.3.3 (0.18s)
Computing version for https://github.com/vapor/url-encoded-form.git
Computed https://github.com/vapor/url-encoded-form.git at 1.1.0 (0.18s)
Computing version for https://github.com/vapor/template-kit.git
Computed https://github.com/vapor/template-kit.git at 1.5.0 (0.18s)
Computing version for https://github.com/vapor/multipart.git
Computed https://github.com/vapor/multipart.git at 3.1.3 (0.17s)
Computing version for https://github.com/vapor/core.git
Computed https://github.com/vapor/core.git at 3.10.1 (0.18s)
Computing version for https://github.com/IBM-Swift/BlueCryptor.git
Computed https://github.com/IBM-Swift/BlueCryptor.git at 1.0.200 (0.19s)
Fetching https://github.com/Kitura/OpenSSL.git
[1/203] Fetching openssl
Fetched https://github.com/Kitura/OpenSSL.git (0.44s)
Computing version for https://github.com/Kitura/OpenSSL.git
Computed https://github.com/Kitura/OpenSSL.git at 2.3.1 (1.52s)
Computing version for https://github.com/IBM-Swift/BlueSocket.git
Computed https://github.com/IBM-Swift/BlueSocket.git at 1.0.200 (0.18s)
Computing version for https://github.com/IBM-Swift/BlueSSLService.git
Computed https://github.com/IBM-Swift/BlueSSLService.git at 1.0.200 (0.19s)
Creating working copy for https://github.com/vapor/validation.git
Working copy of https://github.com/vapor/validation.git resolved at 2.1.1
Creating working copy for https://github.com/twof/VaporMailgunService.git
Working copy of https://github.com/twof/VaporMailgunService.git resolved at 1.8.1
Creating working copy for https://github.com/vapor/service.git
Working copy of https://github.com/vapor/service.git resolved at 1.0.2
Creating working copy for https://github.com/vapor/crypto.git
Working copy of https://github.com/vapor/crypto.git resolved at 3.4.1
Creating working copy for https://github.com/vapor/vapor.git
Working copy of https://github.com/vapor/vapor.git resolved at 3.3.3
Creating working copy for https://github.com/vapor/database-kit.git
Working copy of https://github.com/vapor/database-kit.git resolved at 1.3.3
Creating working copy for https://github.com/vapor-community/sendgrid-provider.git
Working copy of https://github.com/vapor-community/sendgrid-provider.git resolved at 3.0.6
Creating working copy for https://github.com/IBM-Swift/LoggerAPI.git
Working copy of https://github.com/IBM-Swift/LoggerAPI.git resolved at 1.8.1
Creating working copy for https://github.com/vapor/websocket.git
Working copy of https://github.com/vapor/websocket.git resolved at 1.1.2
Creating working copy for https://github.com/vapor/template-kit.git
Working copy of https://github.com/vapor/template-kit.git resolved at 1.5.0
Creating working copy for https://github.com/vapor/url-encoded-form.git
Working copy of https://github.com/vapor/url-encoded-form.git resolved at 1.1.0
Creating working copy for https://github.com/Kitura/OpenSSL.git
Working copy of https://github.com/Kitura/OpenSSL.git resolved at 2.3.1
Creating working copy for https://github.com/vapor/routing.git
Working copy of https://github.com/vapor/routing.git resolved at 3.1.0
Creating working copy for https://github.com/LiveUI/VaporTestTools.git
Working copy of https://github.com/LiveUI/VaporTestTools.git resolved at 0.1.7
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 1.14.4
Creating working copy for https://github.com/vapor/http.git
Working copy of https://github.com/vapor/http.git resolved at 3.4.0
Creating working copy for https://github.com/IBM-Swift/Swift-SMTP.git
Working copy of https://github.com/IBM-Swift/Swift-SMTP.git resolved at 5.1.2
Creating working copy for https://github.com/vapor/core.git
Working copy of https://github.com/vapor/core.git resolved at 3.10.1
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 1.4.0
Creating working copy for https://github.com/vapor/console.git
Working copy of https://github.com/vapor/console.git resolved at 3.1.1
Creating working copy for https://github.com/vapor/multipart.git
Working copy of https://github.com/vapor/multipart.git resolved at 3.1.3
Creating working copy for https://github.com/apple/swift-nio-zlib-support.git
Working copy of https://github.com/apple/swift-nio-zlib-support.git resolved at 1.0.0
Creating working copy for https://github.com/IBM-Swift/BlueSocket.git
Working copy of https://github.com/IBM-Swift/BlueSocket.git resolved at 1.0.200
Creating working copy for https://github.com/apple/swift-nio-ssl-support.git
Working copy of https://github.com/apple/swift-nio-ssl-support.git resolved at 1.0.0
Creating working copy for https://github.com/IBM-Swift/BlueSSLService.git
Working copy of https://github.com/IBM-Swift/BlueSSLService.git resolved at 1.0.200
Creating working copy for https://github.com/IBM-Swift/BlueCryptor.git
Working copy of https://github.com/IBM-Swift/BlueCryptor.git resolved at 1.0.200
warning: 'swift-nio-zlib-support': ignoring declared target(s) 'swift-nio-zlib-support' in the system package
warning: 'swift-nio-ssl-support': ignoring declared target(s) 'swift-nio-ssl-support' in the system package
warning: 'bluesslservice': Conflicting identity for bluesocket: dependency 'github.com/kitura/bluesocket' and dependency 'github.com/ibm-swift/bluesocket' both point to the same package identity 'bluesocket'. The dependencies are introduced through the following chains: (A) /host/spi-builder-workspace->github.com/ibm-swift/swift-smtp->github.com/ibm-swift/bluesslservice->github.com/kitura/bluesocket (B) /host/spi-builder-workspace->github.com/ibm-swift/swift-smtp->github.com/ibm-swift/bluesocket. If there are multiple chains that lead to the same dependency, only the first chain is shown here. To see all chains use debug output option. To resolve the conflict, coordinate with the maintainer of the package that introduces the conflicting dependency. This will be escalated to an error in future versions of SwiftPM.
warning: 'spi-builder-workspace': dependency 'loggerapi' is not used by any target
warning: 'swift-nio-zlib-support': ignoring declared target(s) 'swift-nio-zlib-support' in the system package
warning: 'swift-nio-ssl-support': ignoring declared target(s) 'swift-nio-ssl-support' in the system package
warning: 'bluesslservice': Conflicting identity for bluesocket: dependency 'github.com/kitura/bluesocket' and dependency 'github.com/ibm-swift/bluesocket' both point to the same package identity 'bluesocket'. The dependencies are introduced through the following chains: (A) /host/spi-builder-workspace->github.com/ibm-swift/swift-smtp->github.com/ibm-swift/bluesslservice->github.com/kitura/bluesocket (B) /host/spi-builder-workspace->github.com/ibm-swift/swift-smtp->github.com/ibm-swift/bluesocket. If there are multiple chains that lead to the same dependency, only the first chain is shown here. To see all chains use debug output option. To resolve the conflict, coordinate with the maintainer of the package that introduces the conflicting dependency. This will be escalated to an error in future versions of SwiftPM.
warning: 'spi-builder-workspace': dependency 'loggerapi' is not used by any target
warning: 'openssl': you may be able to install openssl using your system-packager:
    apt-get install openssl libssl-dev
warning: 'swift-nio-ssl-support': couldn't find pc file for openssl
Building for debugging...
[Computing dependencies]
[Provisioning 1 / 89]
[Constructing description]
[Pre-planning 1 / 1506]
[Planning 159 / 1506]
[Planning 1004 / 1506]
[Planning deferred tasks]
[Starting]
[60 / 520] SendGrid
[245 / 534]
error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line:     cd /host

/host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPriorityQueue/Heap.swift:18:8: [1;31merror: [1;39mno such module 'Glibc'[0;0m
 [0;36m16 |[0;0m import Darwin
 [0;36m17 |[0;0m #else
 [0;36m18 |[0;0m import Glibc
    [0;36m|[0;0m        `- [1;31merror: [1;39mno such module 'Glibc'[0;0m
 [0;36m19 |[0;0m #endif
 [0;36m20 |[0;0m
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-nio/Sources/NIOPriorityQueue/Heap.swift /host/spi-builder-workspace/.build/checkouts/swift-nio/Sources/NIOPriorityQueue/PriorityQueue.swift -target wasm32-unknown-wasip1 -disable-objc-interop -sdk /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk -sysroot /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_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 4 -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 -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.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_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.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/clang -Xcc -fmodule-map-file\=/host/spi-builder-workspace/.build/checkouts/swift-nio-zlib-support/module.modulemap -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-nio.build/Debug-webassembly-wasm32/NIOPriorityQueue-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-nio.build/Debug-webassembly-wasm32/NIOPriorityQueue-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-nio.build/Debug-webassembly-wasm32/NIOPriorityQueue-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name NIOPriorityQueue -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-nio.build/Debug-webassembly-wasm32/NIOPriorityQueue-t.build/Objects-normal/wasm32/NIOPriorityQueue_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-nio.build/Debug-webassembly-wasm32/NIOPriorityQueue-t.build/Objects-normal/wasm32/Modules/NIOPriorityQueue.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-nio.build/Debug-webassembly-wasm32/NIOPriorityQueue-t.build/Objects-normal/wasm32/Modules/NIOPriorityQueue.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-nio.build/Debug-webassembly-wasm32/NIOPriorityQueue-t.build/Objects-normal/wasm32/NIOPriorityQueue-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-nio.build/Debug-webassembly-wasm32/NIOPriorityQueue-t.build/Objects-normal/wasm32/NIOPriorityQueue-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-nio.build/Debug-webassembly-wasm32/NIOPriorityQueue-t.build/Objects-normal/wasm32/NIOPriorityQueue-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-nio.build/Debug-webassembly-wasm32/NIOPriorityQueue-t.build/Objects-normal/wasm32/Modules/NIOPriorityQueue.swiftmodule
error: Build failed
BUILD FAILURE 6.4 wasm