Build Information
Failed to build Apple-Docs-MCP, reference v1.0.1 (a4cb12), with Swift 6.4 for Android on 23 Sep 2026 23:55:07 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-53886769-1":/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>&1Build Log
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/justindal/Apple-Docs-MCP.git
Reference: v1.0.1
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/justindal/Apple-Docs-MCP
* tag v1.0.1 -> FETCH_HEAD
HEAD is now at a4cb126 chore: set swift tools version to 6.0
Cloned https://github.com/justindal/Apple-Docs-MCP.git
Revision (git rev-parse @):
a4cb126c1299d91d80af8f1eeb815427b4ca0c08
SUCCESS checkout https://github.com/justindal/Apple-Docs-MCP.git at v1.0.1
========================================
Build
========================================
Selected platform: android
Swift version: 6.4
Building package at path: $PWD
https://github.com/justindal/Apple-Docs-MCP.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886769-1":/host -w "$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:abadcff584c273feba50641b454858d377ba30b35ea7287a94f45ebd8afd0ea0
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:android-6.4-latest
Fetching https://github.com/modelcontextprotocol/swift-sdk.git
Fetching https://github.com/swift-server/swift-service-lifecycle.git
[1/2843] Fetching swift-service-lifecycle
[2844/6625] Fetching swift-service-lifecycle, swift-sdk
Fetched https://github.com/swift-server/swift-service-lifecycle.git (0.73s)
Fetched https://github.com/modelcontextprotocol/swift-sdk.git (0.73s)
Computing version for https://github.com/modelcontextprotocol/swift-sdk.git
Computed https://github.com/modelcontextprotocol/swift-sdk.git at 0.12.1 (0.92s)
Fetching https://github.com/apple/swift-system.git
Fetching https://github.com/mattt/eventsource.git
Fetching https://github.com/apple/swift-log.git
Fetching https://github.com/apple/swift-nio.git
[1/303] Fetching eventsource
[304/7219] Fetching eventsource, swift-system
[305/15384] Fetching eventsource, swift-system, swift-log
[15385/101449] Fetching eventsource, swift-system, swift-log, swift-nio
Fetched https://github.com/mattt/eventsource.git (3.11s)
Fetched https://github.com/apple/swift-system.git (3.11s)
Fetched https://github.com/apple/swift-log.git (3.11s)
Fetched https://github.com/apple/swift-nio.git (3.14s)
Computing version for https://github.com/mattt/eventsource.git
Computed https://github.com/mattt/eventsource.git at 1.5.1 (3.32s)
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 (0.18s)
Fetching https://github.com/apple/swift-async-algorithms.git
[1/6732] Fetching swift-async-algorithms
Fetched https://github.com/apple/swift-async-algorithms.git (0.57s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.15.1 (0.77s)
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
[1/27693] Fetching swift-collections
Fetched https://github.com/apple/swift-collections.git (1.52s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.7.0 (1.82s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.8.1 (0.21s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.103.0 (0.33s)
Fetching https://github.com/apple/swift-atomics.git
[1/1875] Fetching swift-atomics
Fetched https://github.com/apple/swift-atomics.git (0.49s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.1 (0.69s)
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-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.7.0
Creating working copy for https://github.com/mattt/eventsource.git
Working copy of https://github.com/mattt/eventsource.git resolved at 1.5.1
Creating working copy for https://github.com/modelcontextprotocol/swift-sdk.git
Working copy of https://github.com/modelcontextprotocol/swift-sdk.git resolved at 0.12.1
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/swift-server/swift-service-lifecycle.git
Working copy of https://github.com/swift-server/swift-service-lifecycle.git resolved at 2.12.0
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 1.1.5
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 1.15.1
Building for debugging...
[Computing dependencies]
[Constructing description]
[Pre-planning 1 / 393]
[Planning deferred tasks]
[55 / 166] InternalCollectionsUtilities
[94 / 182] InternalCollectionsUtilities
[98 / 200] InternalCollectionsUtilities
[98 / 200] Logging
[110 / 200] SystemPackage
[122 / 200] SystemPackage
[125 / 200] SystemPackage-product
[126 / 200] SystemPackage-product
[128 / 200] Logging-product
[130 / 201] MCP
[134 / 201] InternalCollectionsUtilities
[135 / 202] SystemPackage
[137 / 202] Logging
[140 / 202] InternalCollectionsUtilities
[141 / 202] ConcurrencyHelpers
[146 / 204] ConcurrencyHelpers
[147 / 205] SpanPreview
[151 / 213] InternalCollectionsUtilities
[155 / 213] SpanPreview
[157 / 213]
[164 / 214] SpanPreview
[171 / 224] UnixSignals
[177 / 233] MCP
[177 / 234] UnixSignals
[179 / 235] OrderedCollections
[182 / 235] OrderedCollections
[183 / 235] MCP
[183 / 235] OrderedCollections
[185 / 235] MCP
[187 / 235] MCP
[188 / 235] MCP
error: SwiftCompile normal aarch64 failed with a nonzero exit code. Command line: cd /host
/host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Transports/HTTPClientTransport.swift:5:12: [1;31merror: [1;39mno such module 'EventSource'[0;0m
[0;36m3 |[0;0m
[0;36m4 |[0;0m #if !os(Linux)
[0;36m5 |[0;0m import EventSource
[0;36m|[0;0m `- [1;31merror: [1;39mno such module 'EventSource'[0;0m
[0;36m6 |[0;0m #endif
[0;36m7 |[0;0m
Failed frontend command:
/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Authorization/OAuthAuthorizationCodeFlow.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Authorization/OAuthAuthorizer.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Authorization/OAuthClientRegistrar.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Authorization/OAuthConfiguration.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Authorization/OAuthConstants.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Authorization/OAuthDiscovery.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Authorization/OAuthDiscoveryClient.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Authorization/OAuthErrors.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Authorization/OAuthModels.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Authorization/OAuthTokenEndpointClient.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Authorization/OAuthURLValidator.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Authorization/OAuthWWWAuthenticateParser.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Authorization/PKCE.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Authorization/TokenStorage.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Error.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/ID.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Icon.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Lifecycle.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Messages.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/PendingRequest.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Transport.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Transports/HTTPClientTransport.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Transports/HTTPServer/HTTPRequestValidation.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Transports/HTTPServer/HTTPServerTypes.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Transports/HTTPServer/StatefulHTTPServerTransport.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Transports/HTTPServer/StatelessHTTPServerTransport.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Transports/InMemoryTransport.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Transports/NetworkTransport.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Transports/StdioTransport.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/UnitInterval.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Utilities/Cancellation.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Utilities/Ping.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Utilities/Progress.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Utilities/RequestContext.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Value.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Base/Versioning.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Client/Client.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Client/Elicitation.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Client/Roots.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Client/Sampling.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Extensions/Data+Extensions.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Server/Completion.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Server/Logging.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Server/Prompts.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Server/Resources.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Server/Server.swift /host/spi-builder-workspace/.build/checkouts/swift-sdk/Sources/MCP/Server/Tools.swift -target aarch64-unknown-linux-android28 -Xllvm -aarch64-use-tbi -disable-objc-interop -sdk /android-ndk/android-ndk-r27d/toolchains/llvm/prebuilt/linux-x86_64/sysroot -sysroot /android-ndk/android-ndk-r27d/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-upcoming-feature StrictConcurrency -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -external-plugin-path /root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/lib/swift/host/plugins/testing\#/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/bin/swift-plugin-server -user-module-version 0.12.1 -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_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-r27d/toolchains/llvm/prebuilt/linux-x86_64/lib/clang/18 -Xcc -fmodule-map-file\=/host/spi-builder-workspace/.build/checkouts/swift-system/Sources/CSystem/include/module.modulemap -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/checkouts/swift-system/Sources/CSystem/include -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-android-aarch64/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/mcp-swift-sdk.build/Debug-android-aarch64/MCP-t.build/DerivedSources-normal/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/mcp-swift-sdk.build/Debug-android-aarch64/MCP-t.build/DerivedSources/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/mcp-swift-sdk.build/Debug-android-aarch64/MCP-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name MCP -package-name swift_sdk -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/mcp-swift-sdk.build/Debug-android-aarch64/MCP-t.build/Objects-normal/aarch64/MCP_const_extract_protocols.json -in-process-plugin-server-path /root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/lib/swift/host/libSwiftInProcPluginServer.so -plugin-path /root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/lib/swift/host/plugins -plugin-path /root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/local/lib/swift/host/plugins -emit-module-doc-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/mcp-swift-sdk.build/Debug-android-aarch64/MCP-t.build/Objects-normal/aarch64/Modules/MCP.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/mcp-swift-sdk.build/Debug-android-aarch64/MCP-t.build/Objects-normal/aarch64/Modules/MCP.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/mcp-swift-sdk.build/Debug-android-aarch64/MCP-t.build/Objects-normal/aarch64/MCP-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/mcp-swift-sdk.build/Debug-android-aarch64/MCP-t.build/Objects-normal/aarch64/MCP-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/mcp-swift-sdk.build/Debug-android-aarch64/MCP-t.build/Objects-normal/[189 / 236] MCP
aarch64/MCP-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/mcp-swift-sdk.build/Debug-android-aarch64/MCP-t.build/Objects-normal/aarch64/Modules/MCP.swiftmodule
error: Build failed
BUILD FAILURE 6.4 android