Swift Package IndexBuild Information
Failed to build cloudflare-swift, reference main (5c199f), with Swift 6.1 for Wasm on 22 Apr 2026 00:31:57 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/swiftpackageindex/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/zunda-pixel/cloudflare-swift.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/zunda-pixel/cloudflare-swift
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 5c199f5 fix api (#49)
Cloned https://github.com/zunda-pixel/cloudflare-swift.git
Revision (git rev-parse @):
5c199f5671bac8576f8802d1a5e34960acafd4fd
SUCCESS checkout https://github.com/zunda-pixel/cloudflare-swift.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.1
Building package at path: $PWD
https://github.com/zunda-pixel/cloudflare-swift.git
https://github.com/zunda-pixel/cloudflare-swift.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/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: sha256:276d66a16377d3ee059b2e3429cbc1154d9f01e42871e5d702fd5d8b9044d93d
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest
Fetching https://github.com/zunda-pixel/http-client
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Computed https://github.com/apple/swift-nio-transport-services.git at 1.27.0 (0.59s)
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Creating working copy for https://github.com/apple/swift-asn1.git
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Working copy of https://github.com/apple/swift-distributed-tracing.git resolved at 1.4.1
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.98.0
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-system.git
Working copy of https://github.com/apple/swift-system.git resolved at 1.6.4
Creating working copy for https://github.com/vapor/multipart-kit
Working copy of https://github.com/vapor/multipart-kit resolved at 5.0.0-alpha.5
Creating working copy for https://github.com/apple/swift-http-types
Working copy of https://github.com/apple/swift-http-types resolved at 1.5.1
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 1.3.0
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-http-structured-headers.git
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Creating working copy for https://github.com/apple/swift-certificates.git
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Working copy of https://github.com/apple/swift-nio-extras.git resolved at 1.34.0
Building for debugging...
[0/465] Write sources
[36/465] Compiling _NumericsShims _NumericsShims.c
[37/465] Compiling _CWASI _CWASI.c
[38/465] Compiling CNIOWindows WSAStartup.c
[39/465] Compiling _AtomicsShims.c
/host/spi-builder-workspace/.build/checkouts/async-http-client/Sources/CAsyncHTTPClient/CAsyncHTTPClient.c:37:38: error: call to undeclared function 'strptime_l'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
37 | const char * firstNonProcessed = strptime_l(string, format, result, (locale_t)locale);
| ^
/host/spi-builder-workspace/.build/checkouts/async-http-client/Sources/CAsyncHTTPClient/CAsyncHTTPClient.c:37:38: note: did you mean 'strftime_l'?
/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/time.h:93:8: note: 'strftime_l' declared here
93 | size_t strftime_l (char * __restrict, size_t, const char * __restrict, const struct tm * __restrict, locale_t);
| ^
/host/spi-builder-workspace/.build/checkouts/async-http-client/Sources/CAsyncHTTPClient/CAsyncHTTPClient.c:37:18: error: incompatible integer to pointer conversion initializing 'const char *' with an expression of type 'int' [-Wint-conversion]
37 | const char * firstNonProcessed = strptime_l(string, format, result, (locale_t)locale);
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2 errors generated.
[40/465] Compiling CAsyncHTTPClient CAsyncHTTPClient.c
[40/465] Compiling CNIOWindows shim.c
[40/465] Compiling CNIOPosix event_loop_id.c
[40/465] Compiling CNIOWASI CNIOWASI.c
[40/465] Compiling CNIOOpenBSD shim.c
[40/465] Compiling CNIOLinux liburing_shims.c
[40/465] Compiling CNIOLinux shim.c
[40/465] Write swift-version-24593BA9C3E375BF.txt
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/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: sha256:276d66a16377d3ee059b2e3429cbc1154d9f01e42871e5d702fd5d8b9044d93d
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest
[0/1] Planning build
Building for debugging...
[0/425] Compiling CNIOWASI CNIOWASI.c
[1/425] Compiling CNIOWindows shim.c
[2/425] Compiling CNIOLinux shim.c
[2/425] Compiling CNIOPosix event_loop_id.c
[3/425] Compiling CNIOOpenBSD shim.c
[5/425] Compiling CNIOLinux liburing_shims.c
[6/425] Compiling CNIOLLHTTP c_nio_http.c
[7/425] Compiling CNIOExtrasZlib zutil.c
[8/425] Compiling CNIOLLHTTP c_nio_api.c
[9/425] Compiling CNIOExtrasZlib inftrees.c
[10/425] Compiling CNIOExtrasZlib inffast.c
[11/425] Compiling CNIODarwin shim.c
[12/425] Compiling CNIOExtrasZlib adler32.c
[13/425] Compiling CNIOExtrasZlib crc32.c
[14/425] Compiling CNIOExtrasZlib inflate.c
[15/425] Compiling CNIOExtrasZlib trees.c
[16/425] Compiling CNIOExtrasZlib deflate.c
[17/425] Write swift-version-24593BA9C3E375BF.txt
[18/425] Compiling fiat_p256_adx_sqr.S
[19/425] Compiling fiat_p256_adx_mul.S
[20/425] Compiling fiat_curve25519_adx_square.S
[21/425] Compiling fiat_curve25519_adx_mul.S
[22/445] Compiling CNIOBoringSSLShims shims.c
[24/445] Emitting module ServiceContextModule
[25/451] Emitting module RealModule
[26/452] Emitting module _NIODataStructures
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.
[26/452] Compiling tls_record.cc
[26/452] Compiling tls_method.cc
[26/452] Compiling CNIOLLHTTP c_nio_llhttp.c
[27/452] Emitting module _NIOBase64
BUILD FAILURE 6.1 wasm