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Build Information

Failed to build MCP, reference master (33bd4c), with Swift 6.4 for Android on 10 Oct 2026 18:05:21 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344847-2":/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/tannerdsilva/swift-mcp.git
Reference: master
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/tannerdsilva/swift-mcp
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 33bd4c0 fix(deps): point swift-syntax at its canonical swiftlang home
Cloned https://github.com/tannerdsilva/swift-mcp.git
Revision (git rev-parse @):
33bd4c07fafdbd1b8f98e5d248a12a8309111a1e
SUCCESS checkout https://github.com/tannerdsilva/swift-mcp.git at master
========================================
Build
========================================
Selected platform:         android
Swift version:             6.4
Building package at path:  $PWD
https://github.com/tannerdsilva/swift-mcp.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344847-2":/host -w "$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/tannerdsilva/SwiftSlash.git
Fetching https://github.com/tannerdsilva/QuickJSON.git
Fetching https://github.com/apple/swift-docc-plugin.git
[1/534] Fetching quickjson
[535/4775] Fetching quickjson, swiftslash
[1087/7120] Fetching quickjson, swiftslash, swift-docc-plugin
Fetching https://github.com/apple/swift-argument-parser.git
Fetching https://github.com/swiftlang/swift-syntax.git
Fetching https://github.com/swift-server/swift-service-lifecycle.git
Fetched https://github.com/tannerdsilva/QuickJSON.git (0.49s)
Fetched https://github.com/apple/swift-docc-plugin.git (0.49s)
Fetching https://github.com/apple/swift-log.git
Fetching https://github.com/apple/swift-nio.git
[1/2867] Fetching swift-service-lifecycle
[2868/11124] Fetching swift-service-lifecycle, swift-log
Fetched https://github.com/tannerdsilva/SwiftSlash.git (0.93s)
Fetched https://github.com/swift-server/swift-service-lifecycle.git (0.49s)
[166/8257] Fetching swift-log
[414/27353] Fetching swift-log, swift-argument-parser
Fetched https://github.com/apple/swift-log.git (0.81s)
[1/86374] Fetching swift-nio
Fetched https://github.com/apple/swift-argument-parser.git (1.04s)
[57008/166790] Fetching swift-nio, swift-syntax
Fetched https://github.com/apple/swift-nio.git (5.71s)
Fetched https://github.com/swiftlang/swift-syntax.git (6.20s)
Computing version for https://github.com/tannerdsilva/QuickJSON.git
Computed https://github.com/tannerdsilva/QuickJSON.git at 2.0.3 (6.80s)
Fetching https://github.com/ibireme/yyjson.git
[1/5075] Fetching yyjson
Fetched https://github.com/ibireme/yyjson.git (0.96s)
Computing version for https://github.com/tannerdsilva/SwiftSlash.git
Computed https://github.com/tannerdsilva/SwiftSlash.git at 5.0.2 (1.12s)
Computing version for https://github.com/swiftlang/swift-syntax.git
Computed https://github.com/swiftlang/swift-syntax.git at 603.0.2 (0.99s)
Computing version for https://github.com/ibireme/yyjson.git
Computed https://github.com/ibireme/yyjson.git at 0.12.0 (0.16s)
Computing version for https://github.com/apple/swift-argument-parser.git
Computed https://github.com/apple/swift-argument-parser.git at 1.8.2 (0.15s)
Computing version for https://github.com/apple/swift-docc-plugin.git
Computed https://github.com/apple/swift-docc-plugin.git at 1.5.0 (0.17s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3836] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit (0.70s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (0.90s)
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)
Fetching https://github.com/apple/swift-async-algorithms.git
[1/6819] Fetching swift-async-algorithms
Fetched https://github.com/apple/swift-async-algorithms.git (0.55s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.16.1 (0.72s)
Computing version for https://github.com/apple/swift-async-algorithms.git
Computed https://github.com/apple/swift-async-algorithms.git at 1.1.7 (0.22s)
Fetching https://github.com/apple/swift-collections.git
[1/28695] Fetching swift-collections
Fetched https://github.com/apple/swift-collections.git (1.21s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.7.2 (1.46s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.104.0 (0.30s)
Fetching https://github.com/apple/swift-atomics.git
Fetching https://github.com/apple/swift-system.git
[1/1889] Fetching swift-atomics
[247/9130] Fetching swift-atomics, swift-system
Fetched https://github.com/apple/swift-atomics.git (0.96s)
Fetched https://github.com/apple/swift-system.git (0.96s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.1 (1.14s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.8.1 (0.19s)
Creating working copy for https://github.com/tannerdsilva/SwiftSlash.git
Working copy of https://github.com/tannerdsilva/SwiftSlash.git resolved at 5.0.2
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/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/ibireme/yyjson.git
Working copy of https://github.com/ibireme/yyjson.git resolved at 0.12.0
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
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-docc-plugin.git
Working copy of https://github.com/apple/swift-docc-plugin.git resolved at 1.5.0
Creating working copy for https://github.com/tannerdsilva/QuickJSON.git
Working copy of https://github.com/tannerdsilva/QuickJSON.git resolved at 2.0.3
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-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-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.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-argument-parser.git
Working copy of https://github.com/apple/swift-argument-parser.git resolved at 1.8.2
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
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 (0.30s)
Building for debugging...
[Computing dependencies]
[Constructing description]
[Pre-planning 1 / 2160]
[Planning 115 / 2160]
[Planning 934 / 2160]
[Planning 1334 / 2160]
[Planning 1688 / 2160]
[Planning 2086 / 2160]
[Planning deferred tasks]
[Constructing 32 / 4597]
[Constructing 3788 / 4597]
[Starting]
[1 / 803]
[146 / 803] SwiftSlashFuture
[325 / 803] ConcurrencyHelpers
[399 / 808] __cswiftslash_posix_helpers
/host/spi-builder-workspace/.build/checkouts/SwiftSlash/Sources/__cswiftslash_posix_helpers/__cswiftslash_posix_helpers.c:81:9: error: call to undeclared function 'posix_spawn_file_actions_addchdir_np'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
   81 |         return posix_spawn_file_actions_addchdir_np(actions, wd);
      |                ^
1 error generated.
error: CompileC /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSlash.build/Debug-android-aarch64/__cswiftslash_posix_helpers-t.build/Objects-normal/aarch64/__cswiftslash_posix_helpers.o /host/spi-builder-workspace/.build/checkouts/SwiftSlash/Sources/__cswiftslash_posix_helpers/__cswiftslash_posix_helpers.c normal aarch64 c com.apple.compilers.llvm.clang.1_0.compiler failed with a nonzero exit code. Command line:     cd /host

    Using response file: /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSlash.build/Debug-android-aarch64/__cswiftslash_posix_helpers-t.build/Objects-normal/aarch64/9f65232cb83f8421e3a495a5062eba382369c975104ee97bafc405ab795bfc5e-common-args.resp

    /root/.local/share/swiftly/toolchains/6.4.0/usr/bin/clang -x c -target aarch64-unknown-linux-android28 -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -fcolor-diagnostics -Wno-trigraphs -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -w -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wno-shorten-64-to-32 -Wpointer-sign -Wno-newline-eof -Wno-implicit-fallthrough -fstrict-aliasing -Wdeprecated-declarations -Wno-sign-conversion -Wno-infinite-recursion -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-semicolon-before-method-body --sysroot /android-ndk/android-ndk-r30/toolchains/llvm/prebuilt/linux-x86_64/sysroot @/host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSlash.build/Debug-android-aarch64/__cswiftslash_posix_helpers-t.build/Objects-normal/aarch64/9f65232cb83f8421e3a495a5062eba382369c975104ee97bafc405ab795bfc5e-common-args.resp -MMD -MT dependencies -MF /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSlash.build/Debug-android-aarch64/__cswiftslash_posix_helpers-t.build/Objects-normal/aarch64/__cswiftslash_posix_helpers.d --serialize-diagnostics /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSlash.build/Debug-android-aarch64/__cswiftslash_posix_helpers-t.build/Objects-normal/aarch64/__cswiftslash_posix_helpers.dia -c /host/spi-builder-workspace/.build/checkouts/SwiftSlash/Sources/__cswiftslash_posix_helpers/__cswiftslash_posix_helpers.c -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSlash.build/Debug-android-aarch64/__cswiftslash_posix_helpers-t.build/Objects-normal/aarch64/__cswiftslash_posix_helpers.o
error: Build failed
BUILD FAILURE 6.4 android