Swift Package IndexBuild Information
Failed to build swift-playground, reference master (d259d5), with Swift 6.3 for Wasm on 1 May 2026 06:57:43 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-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/swiftfiddle/swiftfiddle-web.git
Reference: master
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/swiftfiddle/swiftfiddle-web
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at d259d53 Update dependency postcss to v8.5.13 (#1222)
Cloned https://github.com/swiftfiddle/swiftfiddle-web.git
Revision (git rev-parse @):
d259d5311bba1350f43346091373fe35e41f5ea5
SUCCESS checkout https://github.com/swiftfiddle/swiftfiddle-web.git at master
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/swiftfiddle/swiftfiddle-web.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1
wasm-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:d69f4e7582c319245442d62a08b2d7c7fd5a0c0c69f5d2ef11d1530cd8d3329b
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest
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Building for debugging...
/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-6.3-RELEASE_wasm.artifactbundle/swift-6.3-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/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.
[0/926] Compiling CAsyncHTTPClient CAsyncHTTPClient.c
[0/926] Compiling a_int.cc
[0/926] Compiling aes.cc
[0/926] Compiling a_gentm.cc
[0/926] Compiling a_bool.cc
[0/926] Compiling a_bitstr.cc
[0/926] Compiling a_i2d_fp.cc
[0/926] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.3 wasm