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Build Information

Failed to build Subprocess, reference 0.2.1 (44922d), with Swift 6.1 for Wasm on 21 Oct 2025 22:24:09 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:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/swiftlang/swift-subprocess.git
Reference: 0.2.1
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/swiftlang/swift-subprocess
 * tag               0.2.1      -> FETCH_HEAD
HEAD is now at 44922df Fix `Environment.updating` for `custom` and `rawBytes` (#199)
Cloned https://github.com/swiftlang/swift-subprocess.git
Revision (git rev-parse @):
44922dfe46380cd354ca4b0208e717a3e92b13dd
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/swiftlang/swift-subprocess.git at 0.2.1
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/swiftlang/swift-subprocess.git
https://github.com/swiftlang/swift-subprocess.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "swift-system",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.5.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-system"
    },
    {
      "identity" : "swift-docc-plugin",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.4.5",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-docc-plugin"
    }
  ],
  "manifest_display_name" : "Subprocess",
  "name" : "Subprocess",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "13.0"
    },
    {
      "name" : "ios",
      "version" : "99.0"
    }
  ],
  "products" : [
    {
      "name" : "Subprocess",
      "targets" : [
        "Subprocess"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "_SubprocessCShims",
      "module_type" : "ClangTarget",
      "name" : "_SubprocessCShims",
      "path" : "Sources/_SubprocessCShims",
      "product_memberships" : [
        "Subprocess"
      ],
      "sources" : [
        "process_shims.c"
      ],
      "type" : "library"
    },
    {
      "c99name" : "TestResources",
      "module_type" : "SwiftTarget",
      "name" : "TestResources",
      "path" : "Tests/TestResources",
      "product_dependencies" : [
        "SystemPackage"
      ],
      "resources" : [
        {
          "path" : "/host/spi-builder-workspace/Tests/TestResources/Resources",
          "rule" : {
            "copy" : {
            }
          }
        }
      ],
      "sources" : [
        "TestResources.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "SubprocessTests",
      "module_type" : "SwiftTarget",
      "name" : "SubprocessTests",
      "path" : "Tests/SubprocessTests",
      "product_dependencies" : [
        "SystemPackage"
      ],
      "sources" : [
        "AsyncIOTests.swift",
        "DarwinTests.swift",
        "IntegrationTests.swift",
        "LinterTests.swift",
        "LinuxTests.swift",
        "PlatformConformance.swift",
        "ProcessMonitoringTests.swift",
        "TestSupport.swift",
        "UnixTests.swift",
        "WindowsTests.swift"
      ],
      "target_dependencies" : [
        "_SubprocessCShims",
        "Subprocess",
        "TestResources"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Subprocess",
      "module_type" : "SwiftTarget",
      "name" : "Subprocess",
      "path" : "Sources/Subprocess",
      "product_dependencies" : [
        "SystemPackage"
      ],
      "product_memberships" : [
        "Subprocess"
      ],
      "sources" : [
        "API.swift",
        "AsyncBufferSequence.swift",
        "Buffer.swift",
        "Configuration.swift",
        "Error.swift",
        "Execution.swift",
        "IO/AsyncIO+Dispatch.swift",
        "IO/AsyncIO+Linux.swift",
        "IO/AsyncIO+Windows.swift",
        "IO/Input.swift",
        "IO/Output.swift",
        "Platforms/Subprocess+BSD.swift",
        "Platforms/Subprocess+Darwin.swift",
        "Platforms/Subprocess+Linux.swift",
        "Platforms/Subprocess+Unix.swift",
        "Platforms/Subprocess+Windows.swift",
        "Result.swift",
        "Span+Subprocess.swift",
        "SubprocessFoundation/Input+Foundation.swift",
        "SubprocessFoundation/Output+Foundation.swift",
        "SubprocessFoundation/Span+SubprocessFoundation.swift",
        "Teardown.swift",
        "Thread.swift"
      ],
      "target_dependencies" : [
        "_SubprocessCShims"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.1"
}
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: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 finestructure/spi-images
Digest: sha256:062e4aaff76454b333ce7957a8e87c3beb342f1dedb64399abb81cdea021b526
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest
Fetching https://github.com/apple/swift-system
Fetching https://github.com/apple/swift-docc-plugin
[1/2133] Fetching swift-docc-plugin
[236/7198] Fetching swift-docc-plugin, swift-system
Fetched https://github.com/apple/swift-docc-plugin from cache (0.46s)
Fetched https://github.com/apple/swift-system from cache (0.46s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.4.5 (2.86s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3554] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (0.46s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (1.17s)
Computing version for https://github.com/apple/swift-system
Computed https://github.com/apple/swift-system at 1.6.3 (0.69s)
Creating working copy for https://github.com/apple/swift-docc-plugin
Working copy of https://github.com/apple/swift-docc-plugin resolved at 1.4.5
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
Creating working copy for https://github.com/apple/swift-system
Working copy of https://github.com/apple/swift-system resolved at 1.6.3
[1/1] Compiling plugin Swift-DocC Preview
[2/2] Compiling plugin Swift-DocC
Building for debugging...
[2/9] Write sources
[5/9] Copying Resources
[6/9] Compiling CSystem shims.c
/host/spi-builder-workspace/Sources/_SubprocessCShims/process_shims.c:31:10: fatal error: 'grp.h' file not found
   31 | #include <grp.h>
      |          ^~~~~~~
1 error generated.
[7/9] Compiling _SubprocessCShims process_shims.c
[7/9] Write swift-version-24593BA9C3E375BF.txt
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:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1
wasm-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:062e4aaff76454b333ce7957a8e87c3beb342f1dedb64399abb81cdea021b526
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest
[0/1] Planning build
[1/1] Compiling plugin Swift-DocC Preview
[2/2] Compiling plugin Swift-DocC
Building for debugging...
/host/spi-builder-workspace/Sources/_SubprocessCShims/process_shims.c:31:10: fatal error: 'grp.h' file not found
   31 | #include <grp.h>
      |          ^~~~~~~
1 error generated.
[2/4] Compiling _SubprocessCShims process_shims.c
[2/4] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.1 wasm