Swift Package IndexBuild Information
Failed to build lefthook, reference main (d2aa66), with Swift 6.1 for Wasm on 20 Apr 2026 08:13:10 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/csjones/lefthook-plugin.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/csjones/lefthook-plugin
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at d2aa660 Updating lefthook to 2.1.6
Cloned https://github.com/csjones/lefthook-plugin.git
Revision (git rev-parse @):
d2aa660403eb28f124c5a1b07e04ffe43d2e7940
SUCCESS checkout https://github.com/csjones/lefthook-plugin.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.1
Building package at path: $PWD
https://github.com/csjones/lefthook-plugin.git
https://github.com/csjones/lefthook-plugin.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi -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
wasm-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:276d66a16377d3ee059b2e3429cbc1154d9f01e42871e5d702fd5d8b9044d93d
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest
Downloading binary artifact https://github.com/csjones/lefthook-plugin/releases/download/2.1.6/lefthook.artifactbundle.zip
[1397/36421893] Downloading https://github.com/csjones/lefthook-plugin/releases/download/2.1.6/lefthook.artifactbundle.zip
Downloaded https://github.com/csjones/lefthook-plugin/releases/download/2.1.6/lefthook.artifactbundle.zip (3.64s)
[1/1] Compiling plugin ArtifactExpander
[2/2] Compiling plugin LefthookPlugin
Building for debugging...
[2/7] Write sources
[3/7] Write swift-version-24593BA9C3E375BF.txt
[5/12] Compiling LefthookExecutable OS.swift
/host/spi-builder-workspace/Sources/LefthookExecutable/OS.swift:10:23: error: cannot find 'Process' in scope
8 | /// https://github.com/apple/swift-package-manager/blob/1c68e6cab56a3acba30d3ecea0c09209c6c7f565/Sources/Basics/Triple%2BBasics.swift#L84-L121
9 | static func getSystemTriple() -> String? {
10 | let process = Process()
| `- error: cannot find 'Process' in scope
11 | let stdoutPipe = Pipe()
12 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[6/12] Compiling LefthookExecutable FileSystem.swift
[7/12] Compiling LefthookExecutable ArtifactParser.swift
[8/12] Emitting module LefthookExecutable
/host/spi-builder-workspace/Sources/LefthookExecutable/main.swift:12:15: error: cannot find 'Process' in scope
10 |
11 | // Run lefthook binary with the arguments that were passed into this executable.
12 | let process = Process()
| `- error: cannot find 'Process' in scope
13 | process.executableURL = URL(fileURLWithPath: "/usr/bin/env")
14 | process.arguments = [lefthookBinaryPath] + lefthookArgs
[9/12] Compiling LefthookExecutable main.swift
/host/spi-builder-workspace/Sources/LefthookExecutable/main.swift:12:15: error: cannot find 'Process' in scope
10 |
11 | // Run lefthook binary with the arguments that were passed into this executable.
12 | let process = Process()
| `- error: cannot find 'Process' in scope
13 | process.executableURL = URL(fileURLWithPath: "/usr/bin/env")
14 | process.arguments = [lefthookBinaryPath] + lefthookArgs
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1
wasm-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:276d66a16377d3ee059b2e3429cbc1154d9f01e42871e5d702fd5d8b9044d93d
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest
[0/1] Planning build
[1/1] Compiling plugin ArtifactExpander
[2/2] Compiling plugin LefthookPlugin
Building for debugging...
[2/6] Write swift-version-24593BA9C3E375BF.txt
[4/11] Compiling LefthookExecutable main.swift
/host/spi-builder-workspace/Sources/LefthookExecutable/main.swift:12:15: error: cannot find 'Process' in scope
10 |
11 | // Run lefthook binary with the arguments that were passed into this executable.
12 | let process = Process()
| `- error: cannot find 'Process' in scope
13 | process.executableURL = URL(fileURLWithPath: "/usr/bin/env")
14 | process.arguments = [lefthookBinaryPath] + lefthookArgs
[5/11] Compiling LefthookExecutable OS.swift
/host/spi-builder-workspace/Sources/LefthookExecutable/OS.swift:10:23: error: cannot find 'Process' in scope
8 | /// https://github.com/apple/swift-package-manager/blob/1c68e6cab56a3acba30d3ecea0c09209c6c7f565/Sources/Basics/Triple%2BBasics.swift#L84-L121
9 | static func getSystemTriple() -> String? {
10 | let process = Process()
| `- error: cannot find 'Process' in scope
11 | let stdoutPipe = Pipe()
12 |
[6/11] Compiling LefthookExecutable FileSystem.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[7/11] Compiling LefthookExecutable ArtifactParser.swift
[8/11] Emitting module LefthookExecutable
/host/spi-builder-workspace/Sources/LefthookExecutable/main.swift:12:15: error: cannot find 'Process' in scope
10 |
11 | // Run lefthook binary with the arguments that were passed into this executable.
12 | let process = Process()
| `- error: cannot find 'Process' in scope
13 | process.executableURL = URL(fileURLWithPath: "/usr/bin/env")
14 | process.arguments = [lefthookBinaryPath] + lefthookArgs
BUILD FAILURE 6.1 wasm