Swift Package IndexBuild Information
Failed to build skip, reference 1.6.30 (3f5d9a), with Swift 6.2 for Linux on 25 Nov 2025 08:00:36 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:basic-6.2-latest swift build --triple x86_64-unknown-linux-gnu 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/skiptools/skip.git
Reference: 1.6.30
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
* tag 1.6.30 -> FETCH_HEAD
HEAD is now at 3f5d9a5 Release 1.6.30
Cloned https://github.com/skiptools/skip.git
Revision (git rev-parse @):
3f5d9a5b670e3411a302dcbfcb39de7fa51cc781
SUCCESS checkout https://github.com/skiptools/skip.git at 1.6.30
========================================
Build
========================================
Selected platform: linux
Swift version: 6.2
Building package at path: $PWD
https://github.com/skiptools/skip.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:basic-6.2-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.2-latest: Pulling from finestructure/spi-images
Digest: sha256:36dcf51aceebb7518dd97346bbe30fd556b23ffe7a4d72d70473700580e8e541
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.2-latest
Downloading binary artifact https://source.skip.tools/skip/releases/download/1.6.30/skip-linux.zip
[1369/168635381] Downloading 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 (21.02s)
[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 SourceMap.swift
[8/11] Compiling SkipDrive ToolSupport.swift
/host/spi-builder-workspace/Sources/SkipDrive/ToolSupport.swift:977:13: error: cannot find 'posix_spawn_file_actions_addchdir_np' in scope
975 |
976 | if let workingDirectory = workingDirectory?.path {
977 | posix_spawn_file_actions_addchdir_np(&fileActions, workingDirectory)
| `- error: cannot find 'posix_spawn_file_actions_addchdir_np' in scope
978 | }
979 |
/host/spi-builder-workspace/Sources/SkipDrive/ToolSupport.swift:1055:60: warning: reference to captured var 'outputPipe' in concurrently-executing code; this is an error in the Swift 6 language mode [#SendableClosureCaptures]
1053 | group.enter()
1054 | let stdoutThread = Thread { [weak self] in
1055 | 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 [#SendableClosureCaptures]
1056 | pendingLock.withLock {
1057 | if let stderrResult = pending {
/host/spi-builder-workspace/Sources/SkipDrive/ToolSupport.swift:1057:47: warning: reference to captured var 'pending' in concurrently-executing code; this is an error in the Swift 6 language mode [#SendableClosureCaptures]
1055 | if let readResult = self?.readOutput(onFD: outputPipe[0], outputClosure: outputClosures?.stdoutClosure) {
1056 | pendingLock.withLock {
1057 | if let stderrResult = pending {
| `- warning: reference to captured var 'pending' in concurrently-executing code; this is an error in the Swift 6 language mode [#SendableClosureCaptures]
1058 | self?.stateLock.withLock {
1059 | self?.state = .outputReady(stdout: readResult, stderr: stderrResult)
/host/spi-builder-workspace/Sources/SkipDrive/ToolSupport.swift:1062:29: warning: mutation of captured var 'pending' in concurrently-executing code; this is an error in the Swift 6 language mode [#SendableClosureCaptures]
1060 | }
1061 | } else {
1062 | pending = readResult
| `- warning: mutation of captured var 'pending' in concurrently-executing code; this is an error in the Swift 6 language mode [#SendableClosureCaptures]
1063 | }
1064 | }
/host/spi-builder-workspace/Sources/SkipDrive/ToolSupport.swift:1066:70: warning: reference to captured var 'pending' in concurrently-executing code; this is an error in the Swift 6 language mode [#SendableClosureCaptures]
1064 | }
1065 | group.leave()
1066 | } 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 [#SendableClosureCaptures]
1067 | // TODO: this is more of an error
1068 | self?.stateLock.withLock {
/host/spi-builder-workspace/Sources/SkipDrive/ToolSupport.swift:1084:64: warning: reference to captured var 'stderrPipe' in concurrently-executing code; this is an error in the Swift 6 language mode [#SendableClosureCaptures]
1082 | group.enter()
1083 | stderrThread = Thread { [weak self] in
1084 | 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 [#SendableClosureCaptures]
1085 | pendingLock.withLock {
1086 | if let stdoutResult = pending {
/host/spi-builder-workspace/Sources/SkipDrive/ToolSupport.swift:1086:51: warning: reference to captured var 'pending' in concurrently-executing code; this is an error in the Swift 6 language mode [#SendableClosureCaptures]
1084 | if let readResult = self?.readOutput(onFD: stderrPipe[0], outputClosure: outputClosures?.stderrClosure) {
1085 | pendingLock.withLock {
1086 | if let stdoutResult = pending {
| `- warning: reference to captured var 'pending' in concurrently-executing code; this is an error in the Swift 6 language mode [#SendableClosureCaptures]
1087 | self?.stateLock.withLock {
1088 | self?.state = .outputReady(stdout: stdoutResult, stderr: readResult)
/host/spi-builder-workspace/Sources/SkipDrive/ToolSupport.swift:1091:33: warning: mutation of captured var 'pending' in concurrently-executing code; this is an error in the Swift 6 language mode [#SendableClosureCaptures]
1089 | }
1090 | } else {
1091 | pending = readResult
| `- warning: mutation of captured var 'pending' in concurrently-executing code; this is an error in the Swift 6 language mode [#SendableClosureCaptures]
1092 | }
1093 | }
/host/spi-builder-workspace/Sources/SkipDrive/ToolSupport.swift:1095:74: warning: reference to captured var 'pending' in concurrently-executing code; this is an error in the Swift 6 language mode [#SendableClosureCaptures]
1093 | }
1094 | group.leave()
1095 | } 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 [#SendableClosureCaptures]
1096 | // TODO: this is more of an error
1097 | self?.stateLock.withLock {
[#SendableClosureCaptures]: <https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures>
[9/11] Compiling SkipDrive GradleHarness.swift
[10/11] Emitting module SkipDrive
[11/11] Compiling SkipDrive GradleDriver.swift
BUILD FAILURE 6.2 linux