Swift Package IndexBuild Information
Failed to build execute, reference master (41d351), with Swift 6.1 for Android on 22 Feb 2026 09:07:10 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/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-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/swift-cli/execute.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/swift-cli/execute
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 41d3515 Merge branch 'develop'
Cloned https://github.com/swift-cli/execute.git
Revision (git rev-parse @):
41d3515550531fa06ea1795745634427c3605781
SUCCESS checkout https://github.com/swift-cli/execute.git at master
========================================
Build
========================================
Selected platform: android
Swift version: 6.1
Building package at path: $PWD
https://github.com/swift-cli/execute.git
https://github.com/swift-cli/execute.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
"dependencies" : [
],
"manifest_display_name" : "execute",
"name" : "execute",
"path" : "/host/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "10.13"
}
],
"products" : [
{
"name" : "Execute",
"targets" : [
"Execute"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "ExecuteTests",
"module_type" : "SwiftTarget",
"name" : "ExecuteTests",
"path" : "Tests/ExecuteTests",
"sources" : [
"CommandTests/ShCommandTests.swift",
"DataHandlerTests/FileHandleDataHandlerTests.swift",
"Mock/BlockDataHandler.swift",
"Mock/ProcessMock.swift",
"ProcessOperationTests.swift",
"XCTestManifests.swift"
],
"target_dependencies" : [
"Execute"
],
"type" : "test"
},
{
"c99name" : "Execute",
"module_type" : "SwiftTarget",
"name" : "Execute",
"path" : "Sources/Execute",
"product_memberships" : [
"Execute"
],
"sources" : [
"Command/Command.swift",
"Command/ShCommand.swift",
"DataHandler/DataHandler.swift",
"DataHandler/FileHandle+DataHandler.swift",
"Executor.swift",
"ProcessOperation.swift",
"Shell.swift"
],
"type" : "library"
}
],
"tools_version" : "5.1"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1
android-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:08fa5f1bd27c53c71ebe7c2842e29d52715d90da2c5b8f52513c9039c232613d
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:android-6.1-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/10] Compiling Execute Command.swift
[4/10] Compiling Execute ShCommand.swift
[5/10] Compiling Execute FileHandle+DataHandler.swift
/host/spi-builder-workspace/Sources/Execute/DataHandler/FileHandle+DataHandler.swift:33:12: error: cannot find 'lseek' in scope
31 | /// - Parameter data: The data to be appended.
32 | public func handle(_ data: Data) {
33 | if lseek(fileDescriptor, 0, SEEK_CUR) != -1 {
| `- error: cannot find 'lseek' in scope
34 | seekToEndOfFile()
35 | }
[6/10] Emitting module Execute
/host/spi-builder-workspace/Sources/Execute/ProcessOperation.swift:30:12: warning: class 'ProcessOperation' must restate inherited '@unchecked Sendable' conformance
28 | /// An operation that manages the concurrent execution of
29 | /// [Process](https://developer.apple.com/documentation/foundation/process).
30 | open class ProcessOperation: Operation {
| `- warning: class 'ProcessOperation' must restate inherited '@unchecked Sendable' conformance
31 |
32 | /// The process execution result.
[7/10] Compiling Execute Shell.swift
[8/10] Compiling Execute DataHandler.swift
[9/10] Compiling Execute ProcessOperation.swift
/host/spi-builder-workspace/Sources/Execute/ProcessOperation.swift:30:12: warning: class 'ProcessOperation' must restate inherited '@unchecked Sendable' conformance
28 | /// An operation that manages the concurrent execution of
29 | /// [Process](https://developer.apple.com/documentation/foundation/process).
30 | open class ProcessOperation: Operation {
| `- warning: class 'ProcessOperation' must restate inherited '@unchecked Sendable' conformance
31 |
32 | /// The process execution result.
/host/spi-builder-workspace/Sources/Execute/ProcessOperation.swift:63:17: warning: reference to captured var 'self' in concurrently-executing code; this is an error in the Swift 6 language mode
61 | standardOutputPipe.fileHandleForReading.readabilityHandler = { [weak self] fileHandle in
62 | dispatchQueue.async {
63 | self?.standardOutputDataHandler.handle(fileHandle.availableData)
| `- warning: reference to captured var 'self' in concurrently-executing code; this is an error in the Swift 6 language mode
64 | }
65 | }
/host/spi-builder-workspace/Sources/Execute/ProcessOperation.swift:71:17: warning: reference to captured var 'self' in concurrently-executing code; this is an error in the Swift 6 language mode
69 | standardErrorPipe.fileHandleForReading.readabilityHandler = { [weak self] fileHandle in
70 | dispatchQueue.async {
71 | self?.standardErrorDataHandler.handle(fileHandle.availableData)
| `- warning: reference to captured var 'self' in concurrently-executing code; this is an error in the Swift 6 language mode
72 | }
73 | }
[10/10] Compiling Execute Executor.swift
/host/spi-builder-workspace/Sources/Execute/Executor.swift:79:13: warning: capture of 'completionBlock' with non-sendable type '((Result<Int32, any Error>) -> Void)?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
77 | operation.completionBlock = {
78 | precondition(operation.result != nil, "Operation was not executed.")
79 | completionBlock?(operation.result!)
| |- warning: capture of 'completionBlock' with non-sendable type '((Result<Int32, any Error>) -> Void)?' in a '@Sendable' closure; this is an error in the Swift 6 language mode
| `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
80 | }
81 | operationQueue.addOperations([operation], waitUntilFinished: false)
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/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-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 2>&1
android-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:08fa5f1bd27c53c71ebe7c2842e29d52715d90da2c5b8f52513c9039c232613d
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:android-6.1-latest
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/9] Compiling Execute DataHandler.swift
[3/9] Compiling Execute Shell.swift
[4/9] Emitting module Execute
/host/spi-builder-workspace/Sources/Execute/ProcessOperation.swift:30:12: warning: class 'ProcessOperation' must restate inherited '@unchecked Sendable' conformance
28 | /// An operation that manages the concurrent execution of
29 | /// [Process](https://developer.apple.com/documentation/foundation/process).
30 | open class ProcessOperation: Operation {
| `- warning: class 'ProcessOperation' must restate inherited '@unchecked Sendable' conformance
31 |
32 | /// The process execution result.
[5/9] Compiling Execute Command.swift
[6/9] Compiling Execute ShCommand.swift
[7/9] Compiling Execute Executor.swift
[8/9] Compiling Execute FileHandle+DataHandler.swift
/host/spi-builder-workspace/Sources/Execute/DataHandler/FileHandle+DataHandler.swift:33:12: error: cannot find 'lseek' in scope
31 | /// - Parameter data: The data to be appended.
32 | public func handle(_ data: Data) {
33 | if lseek(fileDescriptor, 0, SEEK_CUR) != -1 {
| `- error: cannot find 'lseek' in scope
34 | seekToEndOfFile()
35 | }
[9/9] Compiling Execute ProcessOperation.swift
/host/spi-builder-workspace/Sources/Execute/ProcessOperation.swift:30:12: warning: class 'ProcessOperation' must restate inherited '@unchecked Sendable' conformance
28 | /// An operation that manages the concurrent execution of
29 | /// [Process](https://developer.apple.com/documentation/foundation/process).
30 | open class ProcessOperation: Operation {
| `- warning: class 'ProcessOperation' must restate inherited '@unchecked Sendable' conformance
31 |
32 | /// The process execution result.
/host/spi-builder-workspace/Sources/Execute/ProcessOperation.swift:63:17: warning: reference to captured var 'self' in concurrently-executing code; this is an error in the Swift 6 language mode
61 | standardOutputPipe.fileHandleForReading.readabilityHandler = { [weak self] fileHandle in
62 | dispatchQueue.async {
63 | self?.standardOutputDataHandler.handle(fileHandle.availableData)
| `- warning: reference to captured var 'self' in concurrently-executing code; this is an error in the Swift 6 language mode
64 | }
65 | }
/host/spi-builder-workspace/Sources/Execute/ProcessOperation.swift:71:17: warning: reference to captured var 'self' in concurrently-executing code; this is an error in the Swift 6 language mode
69 | standardErrorPipe.fileHandleForReading.readabilityHandler = { [weak self] fileHandle in
70 | dispatchQueue.async {
71 | self?.standardErrorDataHandler.handle(fileHandle.availableData)
| `- warning: reference to captured var 'self' in concurrently-executing code; this is an error in the Swift 6 language mode
72 | }
73 | }
BUILD FAILURE 6.1 android