Swift Package IndexBuild Information
Failed to build websocket-kit, reference 2.16.2 (90bbbd), with Swift 6.2 for Wasm on 3 Apr 2026 23:58:11 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/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-6.2-latest swift build --swift-sdk wasm32-unknown-wasip1 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: 6.2
Building package at path: $PWD
https://github.com/vapor/websocket-kit.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasip1 2>&1
wasm-6.2-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:de1420b02d93a9deec3e168cca69275e06e27da7632503e71651af6daad007b1
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.2-latest
warning: multiple Swift SDKs match target triple `wasm32-unknown-wasip1` and host triple x86_64-unknown-linux-gnu, selected one at /root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/embedded-swift-sdk.json
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Working copy of https://github.com/apple/swift-numerics.git resolved at 1.1.1
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Working copy of https://github.com/apple/swift-http-structured-headers.git resolved at 1.6.0
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Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.0
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Working copy of https://github.com/apple/swift-certificates.git resolved at 1.18.0
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Working copy of https://github.com/apple/swift-nio-ssl.git resolved at 2.36.1
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Working copy of https://github.com/apple/swift-nio-transport-services.git resolved at 1.26.0
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Building for debugging...
[0/435] Write sources
[14/435] Compiling CNIOLinux shim.c
[14/435] Compiling CNIOLinux liburing_shims.c
[16/435] Write sources
[21/435] Compiling CNIOWindows WSAStartup.c
[21/435] Compiling CNIOWASI CNIOWASI.c
[22/435] Compiling CNIOWindows shim.c
[24/435] Compiling CNIOOpenBSD shim.c
[25/435] Compiling _AtomicsShims.c
[26/435] Write swift-version-24593BA9C3E375BF.txt
[27/435] Compiling CNIOLLHTTP c_nio_http.c
[28/435] Compiling CNIOPosix event_loop_id.c
[29/435] Compiling CNIODarwin shim.c
[30/435] Compiling CNIOSHA1 c_nio_sha1.c
[31/441] Compiling CNIOLLHTTP c_nio_api.c
[33/441] Compiling InternalCollectionsUtilities Debugging.swift
<unknown>:0: error: module compiled with Swift 6.2 cannot be imported by the Swift 6.2.4 compiler: /root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift/embedded/Swift.swiftmodule/wasm32-unknown-wasip1.swiftmodule
error: emit-module command failed with exit code 1 (use -v to see invocation)
[34/441] Emitting module _NIODataStructures
<unknown>:0: error: module compiled with Swift 6.2 cannot be imported by the Swift 6.2.4 compiler: /root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift/embedded/Swift.swiftmodule/wasm32-unknown-wasip1.swiftmodule
[35/441] Compiling _NIODataStructures Heap.swift
<unknown>:0: error: module compiled with Swift 6.2 cannot be imported by the Swift 6.2.4 compiler: /root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift/embedded/Swift.swiftmodule/wasm32-unknown-wasip1.swiftmodule
error: emit-module command failed with exit code 1 (use -v to see invocation)
[36/441] Emitting module InternalCollectionsUtilities
<unknown>:0: error: module compiled with Swift 6.2 cannot be imported by the Swift 6.2.4 compiler: /root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift/embedded/Swift.swiftmodule/wasm32-unknown-wasip1.swiftmodule
[37/441] Compiling _NIOBase64 Base64.swift
<unknown>:0: error: module compiled with Swift 6.2 cannot be imported by the Swift 6.2.4 compiler: /root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift/embedded/Swift.swiftmodule/wasm32-unknown-wasip1.swiftmodule
error: emit-module command failed with exit code 1 (use -v to see invocation)
[38/441] Emitting module _NIOBase64
<unknown>:0: error: module compiled with Swift 6.2 cannot be imported by the Swift 6.2.4 compiler: /root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift/embedded/Swift.swiftmodule/wasm32-unknown-wasip1.swiftmodule
[38/442] Compiling fiat_p256_adx_sqr.S
[39/443] Compiling fiat_p256_adx_mul.S
[39/443] Compiling CNIOBoringSSLShims shims.c
[39/443] Compiling CNIOLLHTTP c_nio_llhttp.c
[39/443] Compiling fiat_curve25519_adx_square.S
BUILD FAILURE 6.2 wasm