Swift Package IndexBuild Information
Failed to build llbuild2, reference main (67d125), with Swift 6.2 (beta) for Wasm on 10 Sep 2025 01:30:02 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/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-wasi 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.67.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/apple/swift-llbuild2.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/apple/swift-llbuild2
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 67d1258 Merge pull request #229 from apple/spawnprocess-overhaul
Cloned https://github.com/apple/swift-llbuild2.git
Revision (git rev-parse @):
67d125838d136838dba52ea40d5cec64dd3b849b
SUCCESS checkout https://github.com/apple/swift-llbuild2.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.2
Building package at path: $PWD
https://github.com/apple/swift-llbuild2.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$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-wasi 2>&1
wasm-6.2-latest: Pulling from finestructure/spi-images
Digest: sha256:3160178686d03086db4c1712d78c1980537bb37521128c64baade7f466b6b4aa
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest
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Working copy of https://github.com/apple/swift-collections.git resolved at 1.2.1
Creating working copy for https://github.com/apple/swift-log.git
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Creating working copy for https://github.com/apple/swift-nio-transport-services.git
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Creating working copy for https://github.com/apple/swift-http-structured-headers.git
Working copy of https://github.com/apple/swift-http-structured-headers.git resolved at 1.4.0
Creating working copy for https://github.com/apple/swift-argument-parser.git
Working copy of https://github.com/apple/swift-argument-parser.git resolved at 1.6.1
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Working copy of https://github.com/apple/swift-crypto.git resolved at 3.15.0
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Creating working copy for https://github.com/apple/swift-certificates.git
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Creating working copy for https://github.com/apple/swift-system.git
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Creating working copy for https://github.com/apple/swift-async-algorithms.git
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Creating working copy for https://github.com/apple/swift-distributed-tracing
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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 0.7.3
Creating working copy for https://github.com/swift-server/swift-service-lifecycle.git
Working copy of https://github.com/swift-server/swift-service-lifecycle.git resolved at 2.8.0
Creating working copy for https://github.com/grpc/grpc-swift.git
Working copy of https://github.com/grpc/grpc-swift.git resolved at 1.26.1
Downloading binary artifact https://github.com/apple/swift-protobuf/releases/download/protoc-artifactbundle-v31.1/protoc-31.1.artifactbundle.zip
[1397/15500663] Downloading https://github.com/apple/swift-protobuf/releases/download/protoc-artifactbundle-v31.1/protoc-31.1.artifactbundle.zip
Downloaded https://github.com/apple/swift-protobuf/releases/download/protoc-artifactbundle-v31.1/protoc-31.1.artifactbundle.zip (2.17s)
[1/1] Compiling plugin GRPCSwiftPlugin
[2/2] Compiling plugin SwiftProtobufPlugin
[3/3] Compiling plugin GenerateManual
[4/4] Compiling plugin GenerateDoccReference
Building for debugging...
[4/889] Write sources
[28/889] Compiling _CWASI _CWASI.c
[29/889] Compiling _AtomicsShims.c
[30/889] Write sources
In file included from /host/spi-builder-workspace/.build/checkouts/swift-tools-support-async/Sources/CProcessSpawnSync/spawner.c:18:
/root/.swiftpm/swift-sdks/swift-6.2-DEVELOPMENT-SNAPSHOT-2025-05-30-a_wasm.artifactbundle/swift-6.2-DEVELOPMENT-SNAPSHOT-2025-05-30-a_wasm/wasm32-unknown-wasi/WASI.sdk/include/wasm32-wasi/signal.h:2:2: error: "wasm lacks signal support; to enable minimal signal emulation, compile with -D_WASI_EMULATED_SIGNAL and link with -lwasi-emulated-signal"
2 | #error "wasm lacks signal support; to enable minimal signal emulation, \
| ^
/host/spi-builder-workspace/.build/checkouts/swift-tools-support-async/Sources/CProcessSpawnSync/spawner.c:26:10: fatal error: 'sys/wait.h' file not found
26 | #include <sys/wait.h>
| ^~~~~~~~~~~~
2 errors generated.
[31/889] Compiling TSFCProcessSpawnSync spawner.c
[31/889] Compiling x509_req.cc
[31/889] Compiling x509_trs.cc
[31/889] Compiling x509_txt.cc
[31/889] Compiling x509_set.cc
[31/889] Compiling x509_v3.cc
[31/889] Compiling x509_vfy.cc
[31/889] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.2 wasm