Swift Package IndexBuild Information
Failed to build mcp-stdio-swift, reference main (1a5e0b), with Swift 6.2 for Android on 8 Jan 2026 17:51:55 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:android-6.2-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1Build Log
========================================
RunAll
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Builder version: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/xbill9/mcp-stdio-swift.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/xbill9/mcp-stdio-swift
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 1a5e0bc add settings.json for gemini cli
Cloned https://github.com/xbill9/mcp-stdio-swift.git
Revision (git rev-parse @):
1a5e0bc4601b79bafc196f7e1bd4bca79d0a8227
SUCCESS checkout https://github.com/xbill9/mcp-stdio-swift.git at main
========================================
Build
========================================
Selected platform: android
Swift version: 6.2
Building package at path: $PWD
https://github.com/xbill9/mcp-stdio-swift.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:android-6.2-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1
android-6.2-latest: Pulling from finestructure/spi-images
Digest: sha256:8a4b1a21be66190a249873405d75b6572f433dd9078c4755af4bedee2c8584a9
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:android-6.2-latest
Fetching https://github.com/swift-server/swift-service-lifecycle.git
Fetching https://github.com/modelcontextprotocol/swift-sdk
Fetching https://github.com/apple/swift-log.git
[1/2568] Fetching swift-service-lifecycle
[2569/8327] Fetching swift-service-lifecycle, swift-log
[4240/10909] Fetching swift-service-lifecycle, swift-log, swift-sdk
Fetched https://github.com/modelcontextprotocol/swift-sdk from cache (0.45s)
Fetched https://github.com/swift-server/swift-service-lifecycle.git from cache (0.47s)
Fetched https://github.com/apple/swift-log.git from cache (0.47s)
Computing version for https://github.com/modelcontextprotocol/swift-sdk
Computed https://github.com/modelcontextprotocol/swift-sdk at 0.10.2 (0.88s)
Fetching https://github.com/mattt/eventsource.git
Fetching https://github.com/apple/swift-system.git
[1/199] Fetching eventsource
[200/5479] Fetching eventsource, swift-system
Fetched https://github.com/mattt/eventsource.git from cache (0.40s)
Fetched https://github.com/apple/swift-system.git from cache (0.41s)
Computing version for https://github.com/mattt/eventsource.git
Computed https://github.com/mattt/eventsource.git at 1.3.0 (0.79s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.8.0 (0.39s)
Computing version for https://github.com/swift-server/swift-service-lifecycle.git
Computed https://github.com/swift-server/swift-service-lifecycle.git at 2.9.1 (0.40s)
Fetching https://github.com/apple/swift-async-algorithms.git
[1/5860] Fetching swift-async-algorithms
Fetched https://github.com/apple/swift-async-algorithms.git from cache (0.43s)
Computing version for https://github.com/apple/swift-async-algorithms.git
Computed https://github.com/apple/swift-async-algorithms.git at 1.1.1 (1.00s)
Fetching https://github.com/apple/swift-collections.git
[1/18592] Fetching swift-collections
Fetched https://github.com/apple/swift-collections.git from cache (1.34s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.3.0 (2.03s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.6.3 (0.44s)
Creating working copy for https://github.com/apple/swift-system.git
Working copy of https://github.com/apple/swift-system.git resolved at 1.6.3
Creating working copy for https://github.com/modelcontextprotocol/swift-sdk
Working copy of https://github.com/modelcontextprotocol/swift-sdk resolved at 0.10.2
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 2.9.1
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.8.0
Creating working copy for https://github.com/mattt/eventsource.git
Working copy of https://github.com/mattt/eventsource.git resolved at 1.3.0
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.3.0
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 1.1.1
Building for debugging...
[0/26] Write sources
[11/26] Compiling CSystem shims.c
[12/26] Write swift-version--3EE9C60077A20DAF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[14/50] Emitting module InternalCollectionsUtilities
<unknown>:0: error: module compiled with Swift 6.2 cannot be imported by the Swift 6.2.3 compiler: /root/.swiftpm/swift-sdks/swift-6.2-RELEASE-android-0.1.artifactbundle/swift-android/swift-resources/usr/lib/swift-aarch64/android/Swift.swiftmodule/aarch64-unknown-linux-android.swiftmodule
[15/52] Compiling InternalCollectionsUtilities FixedWidthInteger+roundUpToPowerOfTwo.swift
<unknown>:0: error: module compiled with Swift 6.2 cannot be imported by the Swift 6.2.3 compiler: /root/.swiftpm/swift-sdks/swift-6.2-RELEASE-android-0.1.artifactbundle/swift-android/swift-resources/usr/lib/swift-aarch64/android/Swift.swiftmodule/aarch64-unknown-linux-android.swiftmodule
[16/52] Compiling InternalCollectionsUtilities Integer rank.swift
<unknown>:0: error: module compiled with Swift 6.2 cannot be imported by the Swift 6.2.3 compiler: /root/.swiftpm/swift-sdks/swift-6.2-RELEASE-android-0.1.artifactbundle/swift-android/swift-resources/usr/lib/swift-aarch64/android/Swift.swiftmodule/aarch64-unknown-linux-android.swiftmodule
[17/52] Compiling InternalCollectionsUtilities UInt+first and last set bit.swift
<unknown>:0: error: module compiled with Swift 6.2 cannot be imported by the Swift 6.2.3 compiler: /root/.swiftpm/swift-sdks/swift-6.2-RELEASE-android-0.1.artifactbundle/swift-android/swift-resources/usr/lib/swift-aarch64/android/Swift.swiftmodule/aarch64-unknown-linux-android.swiftmodule
[18/54] Compiling InternalCollectionsUtilities UInt+reversed.swift
<unknown>:0: error: module compiled with Swift 6.2 cannot be imported by the Swift 6.2.3 compiler: /root/.swiftpm/swift-sdks/swift-6.2-RELEASE-android-0.1.artifactbundle/swift-android/swift-resources/usr/lib/swift-aarch64/android/Swift.swiftmodule/aarch64-unknown-linux-android.swiftmodule
[19/54] Compiling InternalCollectionsUtilities _UnsafeBitSet+Index.swift
<unknown>:0: error: module compiled with Swift 6.2 cannot be imported by the Swift 6.2.3 compiler: /root/.swiftpm/swift-sdks/swift-6.2-RELEASE-android-0.1.artifactbundle/swift-android/swift-resources/usr/lib/swift-aarch64/android/Swift.swiftmodule/aarch64-unknown-linux-android.swiftmodule
error: emit-module command failed with exit code 1 (use -v to see invocation)
[20/63] Emitting module ConcurrencyHelpers
<unknown>:0: error: module compiled with Swift 6.2 cannot be imported by the Swift 6.2.3 compiler: /root/.swiftpm/swift-sdks/swift-6.2-RELEASE-android-0.1.artifactbundle/swift-android/swift-resources/usr/lib/swift-aarch64/android/Swift.swiftmodule/aarch64-unknown-linux-android.swiftmodule
[21/67] Compiling ConcurrencyHelpers Lock.swift
<unknown>:0: error: module compiled with Swift 6.2 cannot be imported by the Swift 6.2.3 compiler: /root/.swiftpm/swift-sdks/swift-6.2-RELEASE-android-0.1.artifactbundle/swift-android/swift-resources/usr/lib/swift-aarch64/android/Swift.swiftmodule/aarch64-unknown-linux-android.swiftmodule
[22/67] Compiling ConcurrencyHelpers LockedValueBox.swift
<unknown>:0: error: module compiled with Swift 6.2 cannot be imported by the Swift 6.2.3 compiler: /root/.swiftpm/swift-sdks/swift-6.2-RELEASE-android-0.1.artifactbundle/swift-android/swift-resources/usr/lib/swift-aarch64/android/Swift.swiftmodule/aarch64-unknown-linux-android.swiftmodule
error: emit-module command failed with exit code 1 (use -v to see invocation)
[23/79] Emitting module Logging
<unknown>:0: error: module compiled with Swift 6.2 cannot be imported by the Swift 6.2.3 compiler: /root/.swiftpm/swift-sdks/swift-6.2-RELEASE-android-0.1.artifactbundle/swift-android/swift-resources/usr/lib/swift-aarch64/android/Swift.swiftmodule/aarch64-unknown-linux-android.swiftmodule
BUILD FAILURE 6.2 android