Build Information
Failed to build SnapshotTestingWebP, reference main (b7f993), with Swift 6.4 for Wasm on 24 Sep 2026 02:59:38 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344845-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest swift build --swift-sdk swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1Build Log
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/alexey1312/SnapshotTestingWebP.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/alexey1312/SnapshotTestingWebP
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at b7f993c chore: update ci
Cloned https://github.com/alexey1312/SnapshotTestingWebP.git
Revision (git rev-parse @):
b7f993c14d3c1c65ced076c5bb6d381472dbd7cb
SUCCESS checkout https://github.com/alexey1312/SnapshotTestingWebP.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.4
Building package at path: $PWD
https://github.com/alexey1312/SnapshotTestingWebP.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344845-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest swift build --swift-sdk swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1
wasm-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:4328fdb43c680d205c1d6761b1e3267aa38277eefdda9ddfb17b6a0f1a77857a
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest
Fetching https://github.com/the-swift-collective/libwebp.git
Fetching https://github.com/pointfreeco/swift-snapshot-testing.git
[1/54] Fetching libwebp
[55/16531] Fetching libwebp, swift-snapshot-testing
Fetched https://github.com/the-swift-collective/libwebp.git (2.27s)
Fetched https://github.com/pointfreeco/swift-snapshot-testing.git (2.31s)
Computing version for https://github.com/the-swift-collective/libwebp.git
Computed https://github.com/the-swift-collective/libwebp.git at 1.4.1 (2.51s)
Fetching https://github.com/the-swift-collective/libpng.git
[1/30] Fetching libpng
Fetched https://github.com/the-swift-collective/libpng.git (0.42s)
Computing version for https://github.com/the-swift-collective/libpng.git
Computed https://github.com/the-swift-collective/libpng.git at 1.6.45 (0.60s)
Fetching https://github.com/the-swift-collective/zlib.git
[1/71] Fetching zlib
Fetched https://github.com/the-swift-collective/zlib.git (0.44s)
Computing version for https://github.com/the-swift-collective/zlib.git
Computed https://github.com/the-swift-collective/zlib.git at 1.3.2 (0.63s)
Computing version for https://github.com/pointfreeco/swift-snapshot-testing.git
Computed https://github.com/pointfreeco/swift-snapshot-testing.git at 1.19.6 (0.17s)
Fetching https://github.com/swiftlang/swift-syntax
Fetching https://github.com/pointfreeco/swift-custom-dump
[1/5666] Fetching swift-custom-dump
[5667/85693] Fetching swift-custom-dump, swift-syntax
Fetched https://github.com/pointfreeco/swift-custom-dump (3.53s)
Fetched https://github.com/swiftlang/swift-syntax (3.55s)
Computing version for https://github.com/pointfreeco/swift-custom-dump
Computed https://github.com/pointfreeco/swift-custom-dump at 1.7.3 (3.77s)
Fetching https://github.com/pointfreeco/swift-issue-reporting
[1/6161] Fetching swift-issue-reporting
Fetched https://github.com/pointfreeco/swift-issue-reporting (0.78s)
Computing version for https://github.com/pointfreeco/swift-issue-reporting
Computed https://github.com/pointfreeco/swift-issue-reporting at 2.1.1 (1.86s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 604.0.0 (0.30s)
Creating working copy for https://github.com/pointfreeco/swift-issue-reporting
Working copy of https://github.com/pointfreeco/swift-issue-reporting resolved at 2.1.1
Creating working copy for https://github.com/the-swift-collective/zlib.git
Working copy of https://github.com/the-swift-collective/zlib.git resolved at 1.3.2
Creating working copy for https://github.com/pointfreeco/swift-custom-dump
Working copy of https://github.com/pointfreeco/swift-custom-dump resolved at 1.7.3
Creating working copy for https://github.com/pointfreeco/swift-snapshot-testing.git
Working copy of https://github.com/pointfreeco/swift-snapshot-testing.git resolved at 1.19.6
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 604.0.0
Creating working copy for https://github.com/the-swift-collective/libpng.git
Working copy of https://github.com/the-swift-collective/libpng.git resolved at 1.6.45
Creating working copy for https://github.com/the-swift-collective/libwebp.git
Working copy of https://github.com/the-swift-collective/libwebp.git resolved at 1.4.1
Building for debugging...
[Computing dependencies]
[Constructing description]
[Pre-planning 1 / 367]
[Planning deferred tasks]
[55 / 267] ZLibC
[1m/host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzread.c:22:15: [0m[0;1;31merror: [0m[1mcall to undeclared function 'read'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration][0m
22 | ret = read(state->fd, buf + *have, get);[0m
| [0;1;32m ^
[0m[1m/host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzread.c:22:15: [0m[0;1;36mnote: [0mdid you mean 'fread'?[0m
In file included from /host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzread.c:6:
In file included from /host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzguts.h:32:
[1m/root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/stdio.h:102:8: [0m[0;1;36mnote: [0m'fread' declared here[0m
102 | size_t fread([0;34mvoid[0m *[0;34m__restrict[0m, size_t, size_t, FILE *[0;34m__restrict[0m);[0m
| [0;1;32m ^
[0m[1m/host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzread.c:600:11: [0m[0;1;31merror: [0m[1mcall to undeclared function 'close'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration][0m
600 | ret = close(state->fd);[0m
| [0;1;32m ^
[0m[1m/host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzread.c:600:11: [0m[0;1;36mnote: [0mdid you mean 'fclose'?[0m
In file included from /host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzread.c:6:
In file included from /host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzguts.h:32:
[1m/root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/stdio.h:85:5: [0m[0;1;36mnote: [0m'fclose' declared here[0m
85 | [0;34mint[0m fclose(FILE *);[0m
| [0;1;32m ^
[0m2 errors generated.
error: CompileC /host/spi-builder-workspace/.build/out/Intermediates.noindex/zlib.build/Debug-webassembly-wasm32/ZLibC-t.build/Objects-normal/wasm32/gzread.o /host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzread.c normal wasm32 c com.apple.compilers.llvm.clang.1_0.compiler failed with a nonzero exit code. Command line: cd /host
Using response file: /host/spi-builder-workspace/.build/out/Intermediates.noindex/zlib.build/Debug-webassembly-wasm32/ZLibC-t.build/Objects-normal/wasm32/9f65232cb83f8421e3a495a5062eba382369c975104ee97bafc405ab795bfc5e-common-args.resp
/usr/bin/clang -x c -target wasm32-unknown-wasip1 -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -fcolor-diagnostics -Wno-trigraphs -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -w -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wno-shorten-64-to-32 -Wpointer-sign -Wno-newline-eof -Wno-implicit-fallthrough -fstrict-aliasing -Wdeprecated-declarations -Wno-sign-conversion -Wno-infinite-recursion -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-semicolon-before-method-body --sysroot /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk @/host/spi-builder-workspace/.build/out/Intermediates.noindex/zlib.build/Debug-webassembly-wasm32/ZLibC-t.build/Objects-normal/wasm32/9f65232cb83f8421e3a495a5062eba382369c975104ee97bafc405ab795bfc5e-common-args.resp -MMD -MT dependencies -MF /host/spi-builder-workspace/.build/out/Intermediates.noindex/zlib.build/Debug-webassembly-wasm32/ZLibC-t.build/Objects-normal/wasm32/gzread.d --serialize-diagnostics /host/spi-builder-workspace/.build/out/Intermediates.noindex/zlib.build/Debug-webassembly-wasm32/ZLibC-t.build/Objects-normal/wasm32/gzread.dia -c /host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzread.c -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/zlib.build/Debug-webassembly-wasm32/ZLibC-t.build/Objects-normal/wasm32/gzread.o
error: Build failed
BUILD FAILURE 6.4 wasm