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Build Information

Failed to build llbuild2, reference main (67d125), with Swift 6.1 for Wasm on 10 Sep 2025 01:31:42 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/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

Build 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:             6.1
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-4606859-0":/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-log.git
Fetching https://github.com/apple/swift-tools-support-async.git
Fetching https://github.com/apple/swift-tools-support-core.git
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Fetching https://github.com/apple/swift-nio.git
Fetching https://github.com/apple/swift-protobuf.git
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Computed https://github.com/apple/swift-tools-support-async.git at 0.16.0 (13.38s)
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Computing version for https://github.com/apple/swift-service-context.git
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Computing version for https://github.com/apple/swift-tools-support-core.git
Computed https://github.com/apple/swift-tools-support-core.git at 0.7.3 (1.14s)
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Computed https://github.com/apple/swift-protobuf.git at 1.31.0 (1.11s)
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Computed https://github.com/apple/swift-nio.git at 2.86.0 (1.44s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.6.2 (1.10s)
Computing version for https://github.com/apple/swift-collections.git
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Computed https://github.com/apple/swift-argument-parser.git at 1.6.1 (1.02s)
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Computed https://github.com/apple/swift-crypto.git at 3.15.0 (5.78s)
Creating working copy for https://github.com/apple/swift-crypto.git
Working copy of https://github.com/apple/swift-crypto.git resolved at 3.15.0
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-tools-support-async.git
Working copy of https://github.com/apple/swift-tools-support-async.git resolved at 0.16.0
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Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.0
Creating working copy for https://github.com/apple/swift-service-context.git
Working copy of https://github.com/apple/swift-service-context.git resolved at 1.2.1
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.6.4
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.86.0
Creating working copy for https://github.com/apple/swift-protobuf.git
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Creating working copy for https://github.com/apple/swift-argument-parser.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-nio-ssl.git
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Working copy of https://github.com/apple/swift-collections.git resolved at 1.2.1
Downloading binary artifact https://github.com/apple/swift-protobuf/releases/download/protoc-artifactbundle-v31.1/protoc-31.1.artifactbundle.zip
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Downloaded https://github.com/apple/swift-protobuf/releases/download/protoc-artifactbundle-v31.1/protoc-31.1.artifactbundle.zip (2.58s)
[1/1] Compiling plugin GRPCSwiftPlugin
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Building for debugging...
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[38/889] 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.
[42/889] Compiling TSFCProcessSpawnSync spawner.c
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[595/889] Compiling TSCclibc process.c
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[846/889] Compiling CBLAKE3 blake3.c
[846/889] Compiling aes.cc
[846/889] Write swift-version-24593BA9C3E375BF.txt
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/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...
[4/855] Write sources
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[13/839] Compiling CNIOWASI CNIOWASI.c
[14/839] Compiling CNIOWindows shim.c
[14/839] Compiling CNIOWindows WSAStartup.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.
[16/839] Compiling TSFCProcessSpawnSync spawner.c
[16/839] Compiling TSCclibc strerror.c
[16/839] Compiling CNIOLinux shim.c
[16/839] Compiling CNIOPosix event_loop_id.c
[16/839] Compiling CNIOLinux liburing_shims.c
[16/839] Compiling CNIOLLHTTP c_nio_llhttp.c
[16/839] Compiling TSCclibc libc.c
[16/839] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.1 wasm