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Build Information

Failed to build skip, reference main (f56f45), with Swift 6.0 for Linux on 12 Dec 2025 05:10:11 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/skiptools/skip.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/skiptools/skip
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at f56f459 Enable issues in Skip Fuse Android builds to jump to correct file and line when selected in Xcode (#553)
Cloned https://github.com/skiptools/skip.git
Revision (git rev-parse @):
f56f459422d3a0e76d5772b8c9c5ce2deeee54bc
SUCCESS checkout https://github.com/skiptools/skip.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/skiptools/skip.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:d50cceb83aba9237d7903cc3c4ef7bd8f8bfaaf83777b35554908a03d392fd03
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
[1369/168635381] Downloading https://source.skip.tools/skip/releases/download/1.6.30/skip-linux.zip
Downloading binary artifact https://source.skip.tools/skip/releases/download/1.6.30/skip-linux.zip
Downloaded https://source.skip.tools/skip/releases/download/1.6.30/skip-linux.zip (16.91s)
[1/1] Compiling plugin Create SkipLink
[2/2] Compiling plugin skipstone
Building for debugging...
[2/5] Write sources
[4/5] Write swift-version-24593BA9C3E375BF.txt
[6/11] Compiling SkipDrive Version.swift
[7/11] Compiling SkipDrive ToolSupport.swift
/host/spi-builder-workspace/Sources/SkipDrive/ToolSupport.swift:978:13: error: cannot find 'posix_spawn_file_actions_addchdir_np' in scope
 976 |
 977 |         if let workingDirectory = workingDirectory?.path {
 978 |             posix_spawn_file_actions_addchdir_np(&fileActions, workingDirectory)
     |             `- error: cannot find 'posix_spawn_file_actions_addchdir_np' in scope
 979 |         }
 980 |
/host/spi-builder-workspace/Sources/SkipDrive/ToolSupport.swift:1056:60: warning: reference to captured var 'outputPipe' in concurrently-executing code; this is an error in the Swift 6 language mode
1054 |             group.enter()
1055 |             let stdoutThread = Thread { [weak self] in
1056 |                 if let readResult = self?.readOutput(onFD: outputPipe[0], outputClosure: outputClosures?.stdoutClosure) {
     |                                                            `- warning: reference to captured var 'outputPipe' in concurrently-executing code; this is an error in the Swift 6 language mode
1057 |                     pendingLock.withLock {
1058 |                         if let stderrResult = pending {
/host/spi-builder-workspace/Sources/SkipDrive/ToolSupport.swift:1058:47: warning: reference to captured var 'pending' in concurrently-executing code; this is an error in the Swift 6 language mode
1056 |                 if let readResult = self?.readOutput(onFD: outputPipe[0], outputClosure: outputClosures?.stdoutClosure) {
1057 |                     pendingLock.withLock {
1058 |                         if let stderrResult = pending {
     |                                               `- warning: reference to captured var 'pending' in concurrently-executing code; this is an error in the Swift 6 language mode
1059 |                             self?.stateLock.withLock {
1060 |                                 self?.state = .outputReady(stdout: readResult, stderr: stderrResult)
/host/spi-builder-workspace/Sources/SkipDrive/ToolSupport.swift:1063:29: warning: mutation of captured var 'pending' in concurrently-executing code; this is an error in the Swift 6 language mode
1061 |                             }
1062 |                         } else  {
1063 |                             pending = readResult
     |                             `- warning: mutation of captured var 'pending' in concurrently-executing code; this is an error in the Swift 6 language mode
1064 |                         }
1065 |                     }
/host/spi-builder-workspace/Sources/SkipDrive/ToolSupport.swift:1067:70: warning: reference to captured var 'pending' in concurrently-executing code; this is an error in the Swift 6 language mode
1065 |                     }
1066 |                     group.leave()
1067 |                 } else if let stderrResult = (pendingLock.withLock { pending }) {
     |                                                                      `- warning: reference to captured var 'pending' in concurrently-executing code; this is an error in the Swift 6 language mode
1068 |                     // TODO: this is more of an error
1069 |                     self?.stateLock.withLock {
/host/spi-builder-workspace/Sources/SkipDrive/ToolSupport.swift:1085:64: warning: reference to captured var 'stderrPipe' in concurrently-executing code; this is an error in the Swift 6 language mode
1083 |                 group.enter()
1084 |                 stderrThread = Thread { [weak self] in
1085 |                     if let readResult = self?.readOutput(onFD: stderrPipe[0], outputClosure: outputClosures?.stderrClosure) {
     |                                                                `- warning: reference to captured var 'stderrPipe' in concurrently-executing code; this is an error in the Swift 6 language mode
1086 |                         pendingLock.withLock {
1087 |                             if let stdoutResult = pending {
/host/spi-builder-workspace/Sources/SkipDrive/ToolSupport.swift:1087:51: warning: reference to captured var 'pending' in concurrently-executing code; this is an error in the Swift 6 language mode
1085 |                     if let readResult = self?.readOutput(onFD: stderrPipe[0], outputClosure: outputClosures?.stderrClosure) {
1086 |                         pendingLock.withLock {
1087 |                             if let stdoutResult = pending {
     |                                                   `- warning: reference to captured var 'pending' in concurrently-executing code; this is an error in the Swift 6 language mode
1088 |                                 self?.stateLock.withLock {
1089 |                                     self?.state = .outputReady(stdout: stdoutResult, stderr: readResult)
/host/spi-builder-workspace/Sources/SkipDrive/ToolSupport.swift:1092:33: warning: mutation of captured var 'pending' in concurrently-executing code; this is an error in the Swift 6 language mode
1090 |                                 }
1091 |                             } else {
1092 |                                 pending = readResult
     |                                 `- warning: mutation of captured var 'pending' in concurrently-executing code; this is an error in the Swift 6 language mode
1093 |                             }
1094 |                         }
/host/spi-builder-workspace/Sources/SkipDrive/ToolSupport.swift:1096:74: warning: reference to captured var 'pending' in concurrently-executing code; this is an error in the Swift 6 language mode
1094 |                         }
1095 |                         group.leave()
1096 |                     } else if let stdoutResult = (pendingLock.withLock { pending }) {
     |                                                                          `- warning: reference to captured var 'pending' in concurrently-executing code; this is an error in the Swift 6 language mode
1097 |                         // TODO: this is more of an error
1098 |                         self?.stateLock.withLock {
[8/11] Compiling SkipDrive SourceMap.swift
[9/11] Compiling SkipDrive GradleHarness.swift
[10/11] Emitting module SkipDrive
[11/11] Compiling SkipDrive GradleDriver.swift
BUILD FAILURE 6.0 linux