Build Information
Failed to build Subprocess, reference main (ab2072), with Swift 6.2 for Wasm on 18 Nov 2025 01:36:45 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/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-6.2-latest swift build --swift-sdk wasm32-unknown-wasip1 2>&1Build Log
========================================
RunAll
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Builder version: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/swiftlang/swift-subprocess.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/swiftlang/swift-subprocess
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at ab2072d Keep order of paths fixed (#211)
Cloned https://github.com/swiftlang/swift-subprocess.git
Revision (git rev-parse @):
ab2072d457d1464b17166cc02125fc9fc0791e1a
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/swiftlang/swift-subprocess.git at main
========================================
Build
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Selected platform: wasm
Swift version: 6.2
Building package at path: $PWD
https://github.com/swiftlang/swift-subprocess.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasip1 2>&1
wasm-6.2-latest: Pulling from finestructure/spi-images
Digest: sha256:f6b6b9bdb5d5605d727da337418fc455cd8a0394d3a815b70631008c48829755
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest
warning: multiple Swift SDKs match target triple `wasm32-unknown-wasip1` and host triple x86_64-unknown-linux-gnu, selected one at /root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/embedded-swift-sdk.json
Fetching https://github.com/apple/swift-docc-plugin
Fetching https://github.com/apple/swift-system
[1/2158] Fetching swift-docc-plugin
[2159/7340] Fetching swift-docc-plugin, swift-system
Fetched https://github.com/apple/swift-docc-plugin from cache (0.41s)
[4768/5182] Fetching swift-system
Fetched https://github.com/apple/swift-system from cache (0.52s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.4.5 (2.54s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3578] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (0.40s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (0.85s)
Computing version for https://github.com/apple/swift-system
Computed https://github.com/apple/swift-system at 1.6.3 (0.38s)
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/apple/swift-system
Working copy of https://github.com/apple/swift-system resolved at 1.6.3
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
[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
In file included from /host/spi-builder-workspace/Sources/_SubprocessCShims/process_shims.c:23:
/host/spi-builder-workspace/Sources/_SubprocessCShims/include/process_shims.h:44:5: warning: pointer is missing a nullability type specifier (_Nonnull, _Nullable, or _Null_unspecified) [-Wnullability-completeness]
44 | pthread_t * _Nonnull ptr,
| ^
/host/spi-builder-workspace/Sources/_SubprocessCShims/include/process_shims.h:44:5: note: insert '_Nullable' if the pointer may be null
44 | pthread_t * _Nonnull ptr,
| ^
| _Nullable
/host/spi-builder-workspace/Sources/_SubprocessCShims/include/process_shims.h:44:5: note: insert '_Nonnull' if the pointer should never be null
44 | pthread_t * _Nonnull ptr,
| ^
| _Nonnull
/host/spi-builder-workspace/Sources/_SubprocessCShims/process_shims.c:31:10: fatal error: 'grp.h' file not found
31 | #include <grp.h>
| ^~~~~~~
1 warning and 1 error generated.
[7/9] Compiling _SubprocessCShims process_shims.c
[7/9] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.2 wasm