Swift Package IndexBuild Information
Failed to build websocket-kit, reference 2.16.2 (90bbbd), with Swift 6.1 for Wasm on 3 Apr 2026 23:58:24 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.69.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/vapor/websocket-kit.git
Reference: 2.16.2
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/vapor/websocket-kit
* tag 2.16.2 -> FETCH_HEAD
HEAD is now at 90bbbda Fix WebSocket proxy URL construction and missing configuration parameter (#160)
Cloned https://github.com/vapor/websocket-kit.git
Revision (git rev-parse @):
90bbbdab3ede12c803cfbe91646f291c092517a3
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/vapor/websocket-kit.git at 2.16.2
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.1
Building package at path: $PWD
https://github.com/vapor/websocket-kit.git
https://github.com/vapor/websocket-kit.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
"dependencies" : [
{
"identity" : "swift-nio",
"requirement" : {
"range" : [
{
"lower_bound" : "2.78.0",
"upper_bound" : "3.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-nio.git"
},
{
"identity" : "swift-nio-extras",
"requirement" : {
"range" : [
{
"lower_bound" : "1.16.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-nio-extras.git"
},
{
"identity" : "swift-nio-ssl",
"requirement" : {
"range" : [
{
"lower_bound" : "2.24.0",
"upper_bound" : "3.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-nio-ssl.git"
},
{
"identity" : "swift-nio-transport-services",
"requirement" : {
"range" : [
{
"lower_bound" : "1.16.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-nio-transport-services.git"
},
{
"identity" : "swift-atomics",
"requirement" : {
"range" : [
{
"lower_bound" : "1.1.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-atomics.git"
}
],
"manifest_display_name" : "websocket-kit",
"name" : "websocket-kit",
"path" : "/host/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "10.15"
},
{
"name" : "ios",
"version" : "13.0"
},
{
"name" : "watchos",
"version" : "6.0"
},
{
"name" : "tvos",
"version" : "13.0"
}
],
"products" : [
{
"name" : "WebSocketKit",
"targets" : [
"WebSocketKit"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "WebSocketKitTests",
"module_type" : "SwiftTarget",
"name" : "WebSocketKitTests",
"path" : "Tests/WebSocketKitTests",
"sources" : [
"AsyncWebSocketKitTests.swift",
"SSLTestHelpers.swift",
"Utilities.swift",
"WebSocketKitTests.swift"
],
"target_dependencies" : [
"WebSocketKit"
],
"type" : "test"
},
{
"c99name" : "WebSocketKit",
"module_type" : "SwiftTarget",
"name" : "WebSocketKit",
"path" : "Sources/WebSocketKit",
"product_dependencies" : [
"NIOCore",
"NIOConcurrencyHelpers",
"NIOExtras",
"NIOFoundationCompat",
"NIOHTTP1",
"NIOSSL",
"NIOWebSocket",
"NIOTransportServices",
"Atomics"
],
"product_memberships" : [
"WebSocketKit"
],
"sources" : [
"Concurrency/WebSocket+Concurrency.swift",
"Exports.swift",
"HTTPUpgradeRequestHandler.swift",
"WebSocket+Connect.swift",
"WebSocket.swift",
"WebSocketClient.swift",
"WebSocketHandler.swift"
],
"type" : "library"
}
],
"tools_version" : "5.10"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/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 swiftpackageindex/spi-images
Digest: sha256:c3bd0c8eb125dea46564a1eb8b09ee779ba7ae350b1ee58b5e9d6ff6c39cef37
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest
Fetching https://github.com/apple/swift-nio.git
Fetching https://github.com/apple/swift-atomics.git
Fetching https://github.com/apple/swift-nio-ssl.git
Fetching https://github.com/apple/swift-nio-transport-services.git
[1/2832] Fetching swift-nio-transport-services
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[4653/20047] Fetching swift-nio-transport-services, swift-atomics, swift-nio-ssl
Fetched https://github.com/apple/swift-nio-transport-services.git from cache (0.76s)
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Fetched https://github.com/apple/swift-atomics.git from cache (3.99s)
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Fetched https://github.com/apple/swift-nio-ssl.git from cache (4.08s)
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Fetching https://github.com/apple/swift-nio-extras.git
Fetched https://github.com/apple/swift-nio.git from cache (11.83s)
[1/6507] Fetching swift-nio-extras
Fetched https://github.com/apple/swift-nio-extras.git from cache (0.76s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.0 (13.31s)
Computing version for https://github.com/apple/swift-nio-transport-services.git
Computed https://github.com/apple/swift-nio-transport-services.git at 1.26.0 (1.01s)
Computing version for https://github.com/apple/swift-nio-ssl.git
Computed https://github.com/apple/swift-nio-ssl.git at 2.36.1 (1.06s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.97.1 (1.76s)
Fetching https://github.com/apple/swift-system.git
Fetching https://github.com/apple/swift-collections.git
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Fetched https://github.com/apple/swift-system.git from cache (1.63s)
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Fetched https://github.com/apple/swift-collections.git from cache (4.82s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.6.4 (6.44s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.4.1 (1.38s)
Computing version for https://github.com/apple/swift-nio-extras.git
Computed https://github.com/apple/swift-nio-extras.git at 1.33.0 (1.75s)
Fetching https://github.com/apple/swift-async-algorithms.git
Fetching https://github.com/apple/swift-log.git
Fetching https://github.com/swift-server/swift-service-lifecycle.git
[1/2713] Fetching swift-service-lifecycle
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[1692/15286] Fetching swift-service-lifecycle, swift-async-algorithms, swift-log
[9505/12573] Fetching swift-async-algorithms, swift-log
Fetched https://github.com/swift-server/swift-service-lifecycle.git from cache (0.63s)
Fetching https://github.com/apple/swift-http-structured-headers.git
Fetching https://github.com/apple/swift-asn1.git
Fetching https://github.com/apple/swift-certificates.git
Fetching https://github.com/apple/swift-algorithms.git
Fetched https://github.com/apple/swift-async-algorithms.git from cache (1.04s)
Fetched https://github.com/apple/swift-log.git from cache (1.03s)
Fetching https://github.com/apple/swift-nio-http2.git
Fetching https://github.com/apple/swift-http-types.git
[1/1242] Fetching swift-http-structured-headers
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[2076/15976] Fetching swift-http-types, swift-asn1, swift-algorithms, swift-certificates
Fetched https://github.com/apple/swift-http-types.git from cache (0.53s)
[4921/14992] Fetching swift-asn1, swift-algorithms, swift-certificates
[5467/27091] Fetching swift-asn1, swift-algorithms, swift-certificates, swift-nio-http2
Fetched https://github.com/apple/swift-asn1.git from cache (1.32s)
[17196/25302] Fetching swift-algorithms, swift-certificates, swift-nio-http2
Fetched https://github.com/apple/swift-algorithms.git from cache (1.37s)
Fetched https://github.com/apple/swift-certificates.git from cache (1.37s)
[4840/12099] Fetching swift-nio-http2
Fetched https://github.com/apple/swift-nio-http2.git from cache (2.41s)
Computing version for https://github.com/apple/swift-algorithms.git
Computed https://github.com/apple/swift-algorithms.git at 1.2.1 (7.47s)
Fetching https://github.com/apple/swift-numerics.git
[1/6416] Fetching swift-numerics
Fetched https://github.com/apple/swift-numerics.git from cache (0.68s)
Computing version for https://github.com/apple/swift-http-types.git
Computed https://github.com/apple/swift-http-types.git at 1.5.1 (1.78s)
Computing version for https://github.com/swift-server/swift-service-lifecycle.git
Computed https://github.com/swift-server/swift-service-lifecycle.git at 2.11.0 (0.91s)
Computing version for https://github.com/apple/swift-async-algorithms.git
Computed https://github.com/apple/swift-async-algorithms.git at 1.1.3 (1.14s)
Computing version for https://github.com/apple/swift-asn1.git
Computed https://github.com/apple/swift-asn1.git at 1.6.0 (7.61s)
Computing version for https://github.com/apple/swift-numerics.git
Computed https://github.com/apple/swift-numerics.git at 1.1.1 (1.81s)
Computing version for https://github.com/apple/swift-certificates.git
Computed https://github.com/apple/swift-certificates.git at 1.18.0 (1.49s)
Fetching https://github.com/apple/swift-crypto.git
[1/17328] Fetching swift-crypto
Fetched https://github.com/apple/swift-crypto.git from cache (3.48s)
Computing version for https://github.com/apple/swift-http-structured-headers.git
Computed https://github.com/apple/swift-http-structured-headers.git at 1.6.0 (4.54s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.11.0 (1.12s)
Computing version for https://github.com/apple/swift-crypto.git
Computed https://github.com/apple/swift-crypto.git at 4.3.1 (3.51s)
Computing version for https://github.com/apple/swift-nio-http2.git
Computed https://github.com/apple/swift-nio-http2.git at 1.42.0 (1.09s)
Creating working copy for https://github.com/apple/swift-crypto.git
Working copy of https://github.com/apple/swift-crypto.git resolved at 4.3.1
Creating working copy for https://github.com/apple/swift-numerics.git
Working copy of https://github.com/apple/swift-numerics.git resolved at 1.1.1
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 2.36.1
Creating working copy for https://github.com/apple/swift-nio-extras.git
Working copy of https://github.com/apple/swift-nio-extras.git resolved at 1.33.0
Creating working copy for https://github.com/apple/swift-system.git
Working copy of https://github.com/apple/swift-system.git resolved at 1.6.4
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 1.42.0
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.11.0
Creating working copy for https://github.com/apple/swift-algorithms.git
Working copy of https://github.com/apple/swift-algorithms.git resolved at 1.2.1
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.4.1
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-http-types.git
Working copy of https://github.com/apple/swift-http-types.git resolved at 1.5.1
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 1.1.3
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.97.1
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 2.11.0
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 1.6.0
Creating working copy for https://github.com/apple/swift-nio-transport-services.git
Working copy of https://github.com/apple/swift-nio-transport-services.git resolved at 1.26.0
Creating working copy for https://github.com/apple/swift-asn1.git
Working copy of https://github.com/apple/swift-asn1.git resolved at 1.6.0
Creating working copy for https://github.com/apple/swift-certificates.git
Working copy of https://github.com/apple/swift-certificates.git resolved at 1.18.0
Building for debugging...
[0/435] Write sources
[18/435] Compiling CNIOWindows WSAStartup.c
[18/435] Compiling CNIOWindows shim.c
[20/435] Compiling _AtomicsShims.c
[21/435] Compiling CNIOWASI CNIOWASI.c
[22/435] Compiling CNIOPosix event_loop_id.c
[23/435] Compiling CNIOOpenBSD shim.c
[24/435] Compiling CNIOLinux shim.c
[25/435] Compiling CNIOLinux liburing_shims.c
[26/435] Compiling CNIOSHA1 c_nio_sha1.c
[27/435] Compiling CNIODarwin shim.c
[28/435] Compiling CNIOLLHTTP c_nio_http.c
[29/435] Compiling fiat_p256_adx_sqr.S
[30/435] Compiling fiat_curve25519_adx_square.S
[31/435] Compiling fiat_p256_adx_mul.S
[32/435] Compiling CNIOLLHTTP c_nio_api.c
[33/435] Compiling fiat_curve25519_adx_mul.S
[34/435] Write swift-version-24593BA9C3E375BF.txt
[35/435] Compiling CNIOBoringSSLShims shims.c
In file included from /host/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOBoringSSL/ssl/tls13_enc.cc:34:
/host/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOBoringSSL/ssl/../crypto/internal.h:32:10: fatal error: 'pthread.h' file not found
32 | #include <pthread.h>
| ^~~~~~~~~~~
1 error generated.
[36/439] Compiling tls13_enc.cc
In file included from /host/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOBoringSSL/ssl/tls_record.cc:19:
/host/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOBoringSSL/ssl/../crypto/internal.h:32:10: fatal error: 'pthread.h' file not found
32 | #include <pthread.h>
| ^~~~~~~~~~~
1 error generated.
[36/439] Compiling tls_record.cc
In file included from /host/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOBoringSSL/ssl/tls13_server.cc:32:
/host/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOBoringSSL/ssl/../crypto/internal.h:32:10: fatal error: 'pthread.h' file not found
32 | #include <pthread.h>
| ^~~~~~~~~~~
[36/439] Compiling tls13_server.cc
In file included from /host/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOBoringSSL/ssl/tls13_both.cc:29:
/host/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOBoringSSL/ssl/../crypto/internal.h:32:10: fatal error: 'pthread.h' file not found
32 | #include <pthread.h>
| ^~~~~~~~~~~
1 error generated.
[36/439] Compiling tls13_both.cc
In file included from /host/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOBoringSSL/ssl/tls13_client.cc:30:
/host/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOBoringSSL/ssl/../crypto/internal.h:32:10: fatal error: 'pthread.h' file not found
32 | #include <pthread.h>
| ^~~~~~~~~~~
1 error generated.
[36/439] Compiling tls13_client.cc
[37/439] Emitting module _NIODataStructures
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'InferSendableFromCaptures' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'GlobalActorIsolatedTypesUsability' is already enabled as of Swift version 6
<unknown>:0: warning: upcoming feature 'DisableOutwardActorInference' is already enabled as of Swift version 6
In file included from /host/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOBoringSSL/ssl/tls_method.cc:17:
/host/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOBoringSSL/ssl/../crypto/internal.h:32:10: fatal error: 'pthread.h' file not found
32 | #include <pthread.h>
| ^~~~~~~~~~~
1 error generated.
[37/439] Compiling tls_method.cc
[37/439] Compiling CNIOLLHTTP c_nio_llhttp.c
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1
wasm-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:c3bd0c8eb125dea46564a1eb8b09ee779ba7ae350b1ee58b5e9d6ff6c39cef37
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest
[0/1] Planning build
Building for debugging...
In file included from /host/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOBoringSSL/ssl/ssl_x509.cc:23:
/host/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOBoringSSL/ssl/../crypto/internal.h:32:10: fatal error: 'pthread.h' file not found
32 | #include <pthread.h>
| ^~~~~~~~~~~
1 error generated.
[0/400] Compiling ssl_x509.cc
[0/400] Compiling tls_record.cc
[0/400] Compiling tls13_enc.cc
[0/400] Compiling tls13_client.cc
[0/400] Compiling tls_method.cc
[0/400] Compiling t1_enc.cc
[0/400] Compiling tls13_both.cc
In file included from /host/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOBoringSSL/ssl/tls13_server.cc:32:
/host/spi-builder-workspace/.build/checkouts/swift-nio-ssl/Sources/CNIOBoringSSL/ssl/../crypto/internal.h:32:10: fatal error: 'pthread.h' file not found
32 | #include <pthread.h>
| ^~~~~~~~~~~
[0/400] Compiling tls13_server.cc
BUILD FAILURE 6.1 wasm