Swift Package IndexBuild Information
Failed to build llbuild2, reference 2.0.1 (96c201), with Swift 6.4 for Wasm on 24 Sep 2026 17:00:06 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344844-0":/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.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1Build Log
========================================
RunAll
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Builder version: 5.1.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/apple/swift-llbuild2.git
Reference: 2.0.1
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/apple/swift-llbuild2
* tag 2.0.1 -> FETCH_HEAD
HEAD is now at 96c2013 Update dependency constraint to reflect actual usage
Cloned https://github.com/apple/swift-llbuild2.git
Revision (git rev-parse @):
96c201312d37355857ad02e36f0b5c36a710929b
SUCCESS checkout https://github.com/apple/swift-llbuild2.git at 2.0.1
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Build
========================================
Selected platform: wasm
Swift version: 6.4
Building package at path: $PWD
https://github.com/apple/swift-llbuild2.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344844-0":/host -w "$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.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1
wasm-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:4328fdb43c680d205c1d6761b1e3267aa38277eefdda9ddfb17b6a0f1a77857a
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest
Fetching https://github.com/apple/swift-tools-support-core.git
Fetching https://github.com/apple/swift-nio.git
Fetching https://github.com/apple/swift-collections.git
Fetching https://github.com/apple/swift-protobuf.git
Fetching https://github.com/apple/swift-system.git
Fetching https://github.com/apple/swift-log.git
[1/8165] Fetching swift-log
[8166/15081] Fetching swift-log, swift-system
[9688/22483] Fetching swift-log, swift-system, swift-tools-support-core
[22484/50185] Fetching swift-log, swift-system, swift-tools-support-core, swift-collections
Fetched https://github.com/apple/swift-tools-support-core.git (0.68s)
Fetching https://github.com/apple/swift-async-algorithms.git
[15359/42783] Fetching swift-log, swift-system, swift-collections
[20900/96981] Fetching swift-log, swift-system, swift-collections, swift-protobuf
[40990/183072] Fetching swift-log, swift-system, swift-collections, swift-protobuf, swift-nio
[68260/189804] Fetching swift-log, swift-system, swift-collections, swift-protobuf, swift-nio, swift-async-algorithms
Fetched https://github.com/apple/swift-log.git (1.36s)
Fetched https://github.com/apple/swift-system.git (1.36s)
[84047/174723] Fetching swift-collections, swift-protobuf, swift-nio, swift-async-algorithms
Fetching https://github.com/apple/swift-atomics.git
Fetched https://github.com/apple/swift-async-algorithms.git (0.68s)
[77857/167991] Fetching swift-collections, swift-protobuf, swift-nio
Fetched https://github.com/apple/swift-collections.git (1.37s)
[51877/140289] Fetching swift-protobuf, swift-nio
[109427/142170] Fetching swift-protobuf, swift-nio, swift-atomics
Fetched https://github.com/apple/swift-atomics.git (0.67s)
[114496/140289] Fetching swift-protobuf, swift-nio
Fetched https://github.com/apple/swift-nio.git (4.15s)
Fetched https://github.com/apple/swift-protobuf.git (5.31s)
Computing version for https://github.com/apple/swift-tools-support-core.git
Computed https://github.com/apple/swift-tools-support-core.git at 0.8.0 (6.50s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.1 (0.19s)
Computing version for https://github.com/apple/swift-async-algorithms.git
Computed https://github.com/apple/swift-async-algorithms.git at 1.1.5 (0.26s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.7.0 (0.31s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.8.1 (0.23s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.15.1 (0.21s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.103.0 (0.36s)
Computing version for https://github.com/apple/swift-protobuf.git
Computed https://github.com/apple/swift-protobuf.git at 1.38.1 (0.24s)
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.1
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.15.1
Creating working copy for https://github.com/apple/swift-protobuf.git
Working copy of https://github.com/apple/swift-protobuf.git resolved at 1.38.1
Creating working copy for https://github.com/apple/swift-async-algorithms.git
Working copy of https://github.com/apple/swift-async-algorithms.git resolved at 1.1.5
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.7.0
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.103.0
Creating working copy for https://github.com/apple/swift-tools-support-core.git
Working copy of https://github.com/apple/swift-tools-support-core.git resolved at 0.8.0
Creating working copy for https://github.com/apple/swift-system.git
Working copy of https://github.com/apple/swift-system.git resolved at 1.8.1
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 1340]
[Planning 634 / 1340]
[Planning 1313 / 1340]
[Planning deferred tasks]
[Constructing 475 / 2778]
[Starting]
[35 / 424] _NIOFileSystem
[188 / 424]
In file included from /host/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCclibc/process.c:15:
[1m/host/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCclibc/include/process.h:3:10: [0m[0;1;31mfatal error: [0m[1m'spawn.h' file not found[0m
3 | #include <spawn.h>[0m
| [0;1;32m ^~~~~~~~~
[0m1 error generated.
error: CompileC /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-tools-support-core.build/Debug-webassembly-wasm32/TSCclibc-t.build/Objects-normal/wasm32/process.o /host/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCclibc/process.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-tools-support-core.build/Debug-webassembly-wasm32/TSCclibc-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 -w -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.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk @/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-tools-support-core.build/Debug-webassembly-wasm32/TSCclibc-t.build/Objects-normal/wasm32/9f65232cb83f8421e3a495a5062eba382369c975104ee97bafc405ab795bfc5e-common-args.resp -MMD -MT dependencies -MF /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-tools-support-core.build/Debug-webassembly-wasm32/TSCclibc-t.build/Objects-normal/wasm32/process.d --serialize-diagnostics /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-tools-support-core.build/Debug-webassembly-wasm32/TSCclibc-t.build/Objects-normal/wasm32/process.dia -c /host/spi-builder-workspace/.build/checkouts/swift-tools-support-core/Sources/TSCclibc/process.c -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-tools-support-core.build/Debug-webassembly-wasm32/TSCclibc-t.build/Objects-normal/wasm32/process.o
error: Build failed
BUILD FAILURE 6.4 wasm