swift-subprocess – Build Information

Build Information

Failed to build swift-subprocess, reference 1.0.2 (dbe21b), with Swift 6.4 for Wasm on 17 Oct 2026 19:07:22 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344849-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest swift build --swift-sdk swift-6.4.0-RELEASE_wasm 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.3
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/swiftlang/swift-subprocess.git
Reference: 1.0.2
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               1.0.2      -> FETCH_HEAD
HEAD is now at dbe21bd Build for armv7 Android in CI and fix the resulting build errors (#387)
Cloned https://github.com/swiftlang/swift-subprocess.git
Revision (git rev-parse @):
dbe21bd7dfd4ffef8c32588918542a8abfa1b54c
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/swiftlang/swift-subprocess.git at 1.0.2
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/swiftlang/swift-subprocess.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344849-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest swift build --swift-sdk swift-6.4.0-RELEASE_wasm 2>&1
wasm-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:7a2e5502d3bb6640f9b2bbb1dadf9967024364ce9ed0ed0bd80cf1b699d193fd
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest
Fetching https://github.com/apple/swift-system
[1/7310] Fetching swift-system
Fetched https://github.com/apple/swift-system (0.66s)
Computing version for https://github.com/apple/swift-system
Computed https://github.com/apple/swift-system at 1.8.1 (0.86s)
Creating working copy for https://github.com/apple/swift-system
Working copy of https://github.com/apple/swift-system resolved at 1.8.1
Building for debugging...
[Constructing description]
[Planning deferred tasks]
In file included from /host/spi-builder-workspace/Sources/_SubprocessCShims/process_shims.c:23:
In file included from /host/spi-builder-workspace/Sources/_SubprocessCShims/include/process_shims.h:20:
[1m/root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/sys/resource.h:2:2: [0m[0;1;31merror: [0m[1mWASI lacks process-associated clocks; to enable emulation of the `getrusage` function using the wall clock, which isn't sensitive to whether the program is running or suspended, compile with -D_WASI_EMULATED_PROCESS_CLOCKS and link with -lwasi-emulated-process-clocks[0m
    2 | #error WASI lacks process-associated clocks; to enable emulation of the `getrusage` function using \[0m
      | [0;1;32m ^
[0mIn file included from /host/spi-builder-workspace/Sources/_SubprocessCShims/process_shims.c:23:
[1m/host/spi-builder-workspace/Sources/_SubprocessCShims/include/process_shims.h:58:5: [0m[0;1;35mwarning: [0m[1mpointer is missing a nullability type specifier (_Nonnull, _Nullable, or _Null_unspecified) [-Wnullability-completeness][0m
   58 |     pthread_t * [0;34m_Nonnull[0m ptr,[0m
      | [0;1;32m    ^
[0m[1m/host/spi-builder-workspace/Sources/_SubprocessCShims/include/process_shims.h:58:5: [0m[0;1;36mnote: [0minsert '_Nullable' if the pointer may be null[0m
   58 |     pthread_t * [0;34m_Nonnull[0m ptr,[0m
      | [0;1;32m    ^
[0m      | [0;32m              _Nullable
[0m[1m/host/spi-builder-workspace/Sources/_SubprocessCShims/include/process_shims.h:58:5: [0m[0;1;36mnote: [0minsert '_Nonnull' if the pointer should never be null[0m
   58 |     pthread_t * [0;34m_Nonnull[0m ptr,[0m
      | [0;1;32m    ^
[0m      | [0;32m              _Nonnull
[0m[1m/host/spi-builder-workspace/Sources/_SubprocessCShims/process_shims.c:31:10: [0m[0;1;31mfatal error: [0m[1m'grp.h' file not found[0m
   31 | #include <grp.h>[0m
      | [0;1;32m         ^~~~~~~
[0m1 warning and 2 errors generated.
error: CompileC /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-subprocess.build/Debug-webassembly-wasm32/_SubprocessCShims-t.build/Objects-normal/wasm32/process_shims.o /host/spi-builder-workspace/Sources/_SubprocessCShims/process_shims.c normal wasm32 c com.apple.compilers.llvm.clang.1_0.compiler failed with a nonzero exit code. Command line:     cd /host

    Using response file: /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-subprocess.build/Debug-webassembly-wasm32/_SubprocessCShims-t.build/Objects-normal/wasm32/9f65232cb83f8421e3a495a5062eba382369c975104ee97bafc405ab795bfc5e-common-args.resp

    /usr/bin/clang -x c -target wasm32-unknown-wasip1 -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -fcolor-diagnostics -Wno-trigraphs -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wno-shorten-64-to-32 -Wpointer-sign -Wno-newline-eof -Wno-implicit-fallthrough -fstrict-aliasing -Wdeprecated-declarations -Wno-sign-conversion -Wno-infinite-recursion -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-semicolon-before-method-body --sysroot /root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk @/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-subprocess.build/Debug-webassembly-wasm32/_SubprocessCShims-t.build/Objects-normal/wasm32/9f65232cb83f8421e3a495a5062eba382369c975104ee97bafc405ab795bfc5e-common-args.resp -MMD -MT dependencies -MF /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-subprocess.build/Debug-webassembly-wasm32/_SubprocessCShims-t.build/Objects-normal/wasm32/process_shims.d --serialize-diagnostics /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-subprocess.build/Debug-webassembly-wasm32/_SubprocessCShims-t.build/Objects-normal/wasm32/process_shims.dia -c /host/spi-builder-workspace/Sources/_SubprocessCShims/process_shims.c -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-subprocess.build/Debug-webassembly-wasm32/_SubprocessCShims-t.build/Objects-normal/wasm32/process_shims.o
error: Build failed
BUILD FAILURE 6.4 wasm