Swift Package Index

Build Information

Failed to build SourceMapper, reference main (b5073d), with Swift 6.2 for Android on 5 Nov 2025 18:04:01 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/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

Build Log

========================================
RunAll
========================================
Builder version: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/johnfairh/SourceMapper.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/johnfairh/SourceMapper
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at b5073d9 Update Swift version for docker linux test
Cloned https://github.com/johnfairh/SourceMapper.git
Revision (git rev-parse @):
b5073d9d63b8bd5377d4e7e65274c86b0a5403e6
SUCCESS checkout https://github.com/johnfairh/SourceMapper.git at main
========================================
Build
========================================
Selected platform:         android
Swift version:             6.2
Building package at path:  $PWD
https://github.com/johnfairh/SourceMapper.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$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:d70d83f328e9f1ae04a4e17e63e2d335ae10639f90ee796a5fe3bfb139eab948
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:android-6.2-latest
Building for debugging...
[0/7] Write sources
[2/7] Write swift-version--11D90AFD9DD3AB2.txt
[4/14] Emitting module SourceMapper
[5/14] Compiling SourceMapper Errors.swift
[6/14] Compiling SourceMapper JSON.swift
[7/14] Compiling SourceMapper UnpackedSourceMap.swift
[8/14] Compiling SourceMapper VLQ.swift
[9/14] Compiling SourceMapper Mappings.swift
[10/14] Compiling SourceMapper SourceMap.swift
[11/15] Wrapping AST for SourceMapper for debugging
error: emit-module command failed with exit code 1 (use -v to see invocation)
[13/17] Emitting module Cli
/host/spi-builder-workspace/Sources/Cli/main.swift:17:48: error: reference to var 'stderr' is not concurrency-safe because it involves shared mutable state
15 | let args = ProcessInfo.processInfo.arguments
16 | guard args.count == 2 else {
17 |     fputs("Syntax: srcmapcat <srcmap file>\n", stderr)
   |                                                `- error: reference to var 'stderr' is not concurrency-safe because it involves shared mutable state
18 |     exit(1)
19 | }
/root/.swiftpm/swift-sdks/swift-6.2-RELEASE-android-0.1.artifactbundle/swift-android/ndk-sysroot/usr/include/stdio.h:64:23: note: var declared here
 62 | extern FILE* _Nonnull stdin __INTRODUCED_IN(23);
 63 | extern FILE* _Nonnull stdout __INTRODUCED_IN(23);
 64 | extern FILE* _Nonnull stderr __INTRODUCED_IN(23);
    |                       `- note: var declared here
 65 |
 66 | /* C99 and earlier plus current C++ standards say these must be macros. */
/host/spi-builder-workspace/Sources/Cli/main.swift:31:32: error: reference to var 'stderr' is not concurrency-safe because it involves shared mutable state
29 |     print(unpacked.segmentsDescription)
30 | } catch {
31 |     fputs("Error: \(error)\n", stderr)
   |                                `- error: reference to var 'stderr' is not concurrency-safe because it involves shared mutable state
32 |     exit(2)
33 | }
/root/.swiftpm/swift-sdks/swift-6.2-RELEASE-android-0.1.artifactbundle/swift-android/ndk-sysroot/usr/include/stdio.h:64:23: note: var declared here
 62 | extern FILE* _Nonnull stdin __INTRODUCED_IN(23);
 63 | extern FILE* _Nonnull stdout __INTRODUCED_IN(23);
 64 | extern FILE* _Nonnull stderr __INTRODUCED_IN(23);
    |                       `- note: var declared here
 65 |
 66 | /* C99 and earlier plus current C++ standards say these must be macros. */
[14/17] Compiling Cli main.swift
/host/spi-builder-workspace/Sources/Cli/main.swift:17:48: error: reference to var 'stderr' is not concurrency-safe because it involves shared mutable state
15 | let args = ProcessInfo.processInfo.arguments
16 | guard args.count == 2 else {
17 |     fputs("Syntax: srcmapcat <srcmap file>\n", stderr)
   |                                                `- error: reference to var 'stderr' is not concurrency-safe because it involves shared mutable state
18 |     exit(1)
19 | }
/root/.swiftpm/swift-sdks/swift-6.2-RELEASE-android-0.1.artifactbundle/swift-android/ndk-sysroot/usr/include/stdio.h:64:23: note: var declared here
 62 | extern FILE* _Nonnull stdin __INTRODUCED_IN(23);
 63 | extern FILE* _Nonnull stdout __INTRODUCED_IN(23);
 64 | extern FILE* _Nonnull stderr __INTRODUCED_IN(23);
    |                       `- note: var declared here
 65 |
 66 | /* C99 and earlier plus current C++ standards say these must be macros. */
/host/spi-builder-workspace/Sources/Cli/main.swift:31:32: error: reference to var 'stderr' is not concurrency-safe because it involves shared mutable state
29 |     print(unpacked.segmentsDescription)
30 | } catch {
31 |     fputs("Error: \(error)\n", stderr)
   |                                `- error: reference to var 'stderr' is not concurrency-safe because it involves shared mutable state
32 |     exit(2)
33 | }
/root/.swiftpm/swift-sdks/swift-6.2-RELEASE-android-0.1.artifactbundle/swift-android/ndk-sysroot/usr/include/stdio.h:64:23: note: var declared here
 62 | extern FILE* _Nonnull stdin __INTRODUCED_IN(23);
 63 | extern FILE* _Nonnull stdout __INTRODUCED_IN(23);
 64 | extern FILE* _Nonnull stderr __INTRODUCED_IN(23);
    |                       `- note: var declared here
 65 |
 66 | /* C99 and earlier plus current C++ standards say these must be macros. */
BUILD FAILURE 6.2 android