Swift Package IndexBuild Information
Failed to build llbuild2, reference 1.0.0-beta1.11 (67d125), with Swift 6.1 for Wasm on 10 Sep 2025 01:21:40 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/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-6.1-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: 1.0.0-beta1.11
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 1.0.0-beta1.11 -> FETCH_HEAD
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 1.0.0-beta1.11
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.1
Building package at path: $PWD
https://github.com/apple/swift-llbuild2.git
https://github.com/apple/swift-llbuild2.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
"dependencies" : [
{
"identity" : "swift-argument-parser",
"requirement" : {
"range" : [
{
"lower_bound" : "1.0.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-argument-parser.git"
},
{
"identity" : "swift-crypto",
"requirement" : {
"range" : [
{
"lower_bound" : "1.1.4",
"upper_bound" : "4.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-crypto.git"
},
{
"identity" : "swift-distributed-tracing",
"requirement" : {
"range" : [
{
"lower_bound" : "1.1.2",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-distributed-tracing"
},
{
"identity" : "swift-log",
"requirement" : {
"range" : [
{
"lower_bound" : "1.4.2",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-log.git"
},
{
"identity" : "swift-nio",
"requirement" : {
"range" : [
{
"lower_bound" : "2.80.0",
"upper_bound" : "3.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-nio.git"
},
{
"identity" : "swift-protobuf",
"requirement" : {
"range" : [
{
"lower_bound" : "1.17.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-protobuf.git"
},
{
"identity" : "swift-tools-support-async",
"requirement" : {
"range" : [
{
"lower_bound" : "0.16.0",
"upper_bound" : "1.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-tools-support-async.git"
},
{
"identity" : "swift-tools-support-core",
"requirement" : {
"range" : [
{
"lower_bound" : "0.2.7",
"upper_bound" : "1.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-tools-support-core.git"
},
{
"identity" : "grpc-swift",
"requirement" : {
"range" : [
{
"lower_bound" : "1.4.1",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/grpc/grpc-swift.git"
}
],
"manifest_display_name" : "llbuild2",
"name" : "llbuild2",
"path" : "/host/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "10.15"
}
],
"products" : [
{
"name" : "llbuild2",
"targets" : [
"llbuild2"
],
"type" : {
"library" : [
"automatic"
]
}
},
{
"name" : "llbuild2fx",
"targets" : [
"llbuild2fx"
],
"type" : {
"library" : [
"automatic"
]
}
},
{
"name" : "llcastool",
"targets" : [
"llcastool"
],
"type" : {
"executable" : null
}
}
],
"targets" : [
{
"c99name" : "llcastool",
"module_type" : "SwiftTarget",
"name" : "llcastool",
"path" : "Sources/Tools/llcastool",
"product_dependencies" : [
"ArgumentParser"
],
"product_memberships" : [
"llcastool"
],
"sources" : [
"CASCommands.swift",
"Capabilities.swift",
"CommonOptions.swift",
"main.swift",
"misc.swift"
],
"target_dependencies" : [
"LLBCASTool"
],
"type" : "executable"
},
{
"c99name" : "llbuild2fxTests",
"module_type" : "SwiftTarget",
"name" : "llbuild2fxTests",
"path" : "Tests/llbuild2fxTests",
"sources" : [
"CommandLineArgsCoderTests.swift",
"DeadlineTests.swift",
"EngineTests.swift",
"ExpressionTests.swift",
"FunctionCacheTests.swift",
"KeyDependencyGraphTests.swift",
"KeyTests.swift",
"PredicateTests.swift",
"RequirementTests.swift",
"ResourcesTests.swift",
"SpawnProcessTests.swift",
"VersioningTests.swift"
],
"target_dependencies" : [
"llbuild2fx"
],
"type" : "test"
},
{
"c99name" : "llbuild2fx",
"module_type" : "SwiftTarget",
"name" : "llbuild2fx",
"path" : "Sources/llbuild2fx",
"product_dependencies" : [
"SwiftProtobuf",
"SwiftToolsSupportAsync",
"SwiftToolsSupportCAS",
"Logging",
"Tracing",
"Instrumentation",
"_NIOFileSystem"
],
"product_memberships" : [
"llbuild2",
"llbuild2fx"
],
"sources" : [
"Action.swift",
"ActionCache/FileBackedFunctionCache.swift",
"ActionCache/InMemoryFunctionCache.swift",
"Coding.swift",
"CommandLineArgsCoder.swift",
"Deadline.swift",
"Diagnostics.swift",
"Engine.swift",
"Environment.swift",
"Errors.swift",
"Executor.swift",
"FunctionCache.swift",
"FunctionInterface.swift",
"Generated/EngineProtocol/any_serializable.pb.swift",
"Key.swift",
"KeyConfiguration.swift",
"KeyDependencyGraph.swift",
"LocalExecutor.swift",
"NullExecutor.swift",
"Predicate/Expression.swift",
"Predicate/Predicate.swift",
"Resources.swift",
"Reëxport.swift",
"Ruleset.swift",
"Service.swift",
"SortedSet.swift",
"SpawnProcess.swift",
"Stats.swift",
"Support/AnySerializable.swift",
"Support/CommonCodables.swift",
"Support/Logging.swift",
"Support/Protobuf+Extensions.swift",
"TreeMaterialization.swift",
"Value.swift",
"Versioning.swift",
"WrappedDataID.swift"
],
"type" : "library"
},
{
"c99name" : "llbuild2",
"module_type" : "SwiftTarget",
"name" : "llbuild2",
"path" : "Sources/llbuild2",
"product_memberships" : [
"llbuild2"
],
"sources" : [
"Reexport.swift"
],
"target_dependencies" : [
"llbuild2fx"
],
"type" : "library"
},
{
"c99name" : "LLBCASTool",
"module_type" : "SwiftTarget",
"name" : "LLBCASTool",
"path" : "Sources/LLBCASTool",
"product_dependencies" : [
"GRPC",
"SwiftToolsSupport-auto"
],
"product_memberships" : [
"llcastool"
],
"sources" : [
"CASTool.swift",
"Options.swift"
],
"target_dependencies" : [
"BazelRemoteAPI",
"LLBBazelBackend"
],
"type" : "library"
},
{
"c99name" : "LLBBazelBackend",
"module_type" : "SwiftTarget",
"name" : "LLBBazelBackend",
"path" : "Sources/LLBBazelBackend",
"product_dependencies" : [
"Crypto",
"GRPC",
"SwiftToolsSupportCAS"
],
"product_memberships" : [
"llcastool"
],
"sources" : [
"CAS/BazelCASDatabase.swift",
"CAS/Digest.swift"
],
"target_dependencies" : [
"BazelRemoteAPI"
],
"type" : "library"
},
{
"c99name" : "BazelRemoteAPI",
"module_type" : "SwiftTarget",
"name" : "BazelRemoteAPI",
"path" : "Sources/BazelRemoteAPI",
"product_dependencies" : [
"GRPC",
"SwiftProtobuf",
"SwiftProtobufPluginLibrary"
],
"product_memberships" : [
"llcastool"
],
"sources" : [
"Generated/build/bazel/remote/asset/v1/remote_asset.grpc.swift",
"Generated/build/bazel/remote/asset/v1/remote_asset.pb.swift",
"Generated/build/bazel/remote/execution/v2/remote_execution.grpc.swift",
"Generated/build/bazel/remote/execution/v2/remote_execution.pb.swift",
"Generated/build/bazel/remote/logstream/v1/remote_logstream.grpc.swift",
"Generated/build/bazel/remote/logstream/v1/remote_logstream.pb.swift",
"Generated/build/bazel/semver/semver.pb.swift",
"Generated/google/api/annotations.pb.swift",
"Generated/google/api/client.pb.swift",
"Generated/google/api/http.pb.swift",
"Generated/google/api/launch_stage.pb.swift",
"Generated/google/bytestream/bytestream.grpc.swift",
"Generated/google/bytestream/bytestream.pb.swift",
"Generated/google/longrunning/operations.grpc.swift",
"Generated/google/longrunning/operations.pb.swift",
"Generated/google/rpc/code.pb.swift",
"Generated/google/rpc/error_details.pb.swift",
"Generated/google/rpc/http.pb.2.swift",
"Generated/google/rpc/status.pb.swift",
"Typealiases.swift"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/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-6.1-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:eb0758f51dbd6991fb9e51dedbfbcbec142ffc0d3b9b8ad91fa19d35e5136f0a
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest
Fetching https://github.com/apple/swift-tools-support-async.git
Fetching https://github.com/apple/swift-nio.git
Fetching https://github.com/grpc/grpc-swift.git
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Creating working copy for https://github.com/apple/swift-http-types.git
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Creating working copy for https://github.com/apple/swift-distributed-tracing
Working copy of https://github.com/apple/swift-distributed-tracing resolved at 1.2.2
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
Creating working copy for https://github.com/apple/swift-numerics.git
Working copy of https://github.com/apple/swift-numerics.git resolved at 1.1.0
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/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/apple/swift-nio-http2.git
Working copy of https://github.com/apple/swift-nio-http2.git resolved at 1.38.0
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-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.2.1
Creating working copy for https://github.com/apple/swift-asn1.git
Working copy of https://github.com/apple/swift-asn1.git resolved at 1.4.0
Creating working copy for https://github.com/apple/swift-nio-ssl.git
Working copy of https://github.com/apple/swift-nio-ssl.git resolved at 2.34.0
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.0
Creating working copy for https://github.com/apple/swift-tools-support-async.git
Working copy of https://github.com/apple/swift-tools-support-async.git resolved at 0.16.0
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
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 (2.78s)
[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
[30/889] Compiling _CWASI _CWASI.c
[31/889] Compiling _AtomicsShims.c
[32/889] Compiling TSCclibc strerror.c
[33/889] Compiling TSCclibc process.c
[34/889] Write sources
[36/889] Copying PrivacyInfo.xcprivacy
[38/889] 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-wasm-6.1-RELEASE-wasm32-unknown-wasi.artifactbundle/6.1-RELEASE-wasm32-unknown-wasi/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:25:10: fatal error: 'pthread.h' file not found
25 | #include <pthread.h>
| ^~~~~~~~~~~
2 errors generated.
[56/889] Compiling TSFCProcessSpawnSync spawner.c
[56/889] Compiling errno.cc
[56/889] Compiling TSCclibc libc.c
[56/889] Compiling fd.cc
[56/889] Compiling connect.cc
[56/889] Compiling CSystem shims.c
[56/889] Compiling file.cc
[56/889] Write swift-version-24593BA9C3E375BF.txt
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/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-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1
wasm-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:eb0758f51dbd6991fb9e51dedbfbcbec142ffc0d3b9b8ad91fa19d35e5136f0a
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 GRPCSwiftPlugin
[2/2] Compiling plugin SwiftProtobufPlugin
[3/3] Compiling plugin GenerateManual
[4/4] Compiling plugin GenerateDoccReference
Building for debugging...
[4/837] Write sources
[6/837] Compiling TSCclibc libc.c
[7/837] Compiling CNIOWASI CNIOWASI.c
In file included from /host/spi-builder-workspace/.build/checkouts/swift-tools-support-async/Sources/CProcessSpawnSync/spawner.c:18:
/root/.swiftpm/swift-sdks/swift-wasm-6.1-RELEASE-wasm32-unknown-wasi.artifactbundle/6.1-RELEASE-wasm32-unknown-wasi/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:25:10: fatal error: 'pthread.h' file not found
25 | #include <pthread.h>
| ^~~~~~~~~~~
2 errors generated.
[8/837] Compiling TSFCProcessSpawnSync spawner.c
[8/837] Compiling CNIOWindows shim.c
[8/837] Compiling CNIOPosix event_loop_id.c
[8/837] Compiling CNIOLinux liburing_shims.c
[8/837] Compiling CNIOWindows WSAStartup.c
[8/837] Compiling CNIOLinux shim.c
[8/837] Compiling CSystem shims.c
[8/837] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.1 wasm