Build Information
Failed to build swift-ico, reference main (f31bb3), with Swift 6.2 for Wasm on 7 Nov 2026 07:57:42 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344845-0":/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-6.2-latest swift build --swift-sdk swift-6.2-RELEASE_wasm 2>&1Build Log
========================================
RunAll
========================================
Builder version: 5.1.4
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/stackotter/swift-ico.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/stackotter/swift-ico
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at f31bb31 Update swift-image-formats dependency to v0.6.0 (new JPEG lib)
Cloned https://github.com/stackotter/swift-ico.git
Revision (git rev-parse @):
f31bb31f8544cfe6783ad135ed98d2e63034fc67
SUCCESS checkout https://github.com/stackotter/swift-ico.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.2
Building package at path: $PWD
https://github.com/stackotter/swift-ico.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344845-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.2-latest swift build --swift-sdk swift-6.2-RELEASE_wasm 2>&1
wasm-6.2-latest: Pulling from saguaro1/spi-images
Digest: sha256:ba6864ed1873dc28d63134b1bd648b09c5ec8270a0ae95720b7f96d84a66a058
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.2-latest
Fetching https://github.com/stackotter/swift-image-formats
[1/194] Fetching swift-image-formats
Fetched https://github.com/stackotter/swift-image-formats from cache (0.37s)
Computing version for https://github.com/stackotter/swift-image-formats
Computed https://github.com/stackotter/swift-image-formats at 0.6.1 (1.25s)
Fetching https://github.com/the-swift-collective/libpng
Fetching https://github.com/stackotter/libjpegturbo
Fetching https://github.com/the-swift-collective/libwebp
[1/30] Fetching libpng
[31/129] Fetching libpng, libjpegturbo
[73/183] Fetching libpng, libjpegturbo, libwebp
Fetched https://github.com/stackotter/libjpegturbo from cache (0.34s)
Fetched https://github.com/the-swift-collective/libpng from cache (0.34s)
Fetched https://github.com/the-swift-collective/libwebp from cache (0.34s)
Computing version for https://github.com/the-swift-collective/libwebp
Computed https://github.com/the-swift-collective/libwebp at 1.4.1 (0.52s)
Computing version for https://github.com/the-swift-collective/libpng
Computed https://github.com/the-swift-collective/libpng at 1.6.45 (0.17s)
Fetching https://github.com/the-swift-collective/zlib.git
[1/71] Fetching zlib
Fetched https://github.com/the-swift-collective/zlib.git from cache (0.36s)
Computing version for https://github.com/the-swift-collective/zlib.git
Computed https://github.com/the-swift-collective/zlib.git at 1.3.2 (0.54s)
Computing version for https://github.com/stackotter/libjpegturbo
Computed https://github.com/stackotter/libjpegturbo at 0.1.3 (0.14s)
Creating working copy for https://github.com/stackotter/libjpegturbo
Working copy of https://github.com/stackotter/libjpegturbo resolved at 0.1.3
Creating working copy for https://github.com/the-swift-collective/libwebp
Working copy of https://github.com/the-swift-collective/libwebp resolved at 1.4.1
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/stackotter/swift-image-formats
Working copy of https://github.com/stackotter/swift-image-formats resolved at 0.6.1
Creating working copy for https://github.com/the-swift-collective/libpng
Working copy of https://github.com/the-swift-collective/libpng resolved at 1.6.45
Building for debugging...
[0/184] Write sources
[4/184] Compiling sharpyuv_cpu.c
[5/184] Compiling sharpyuv_sse2.c
[6/184] Compiling sharpyuv_neon.c
[7/184] Compiling sharpyuv_csp.c
[8/184] Compiling sharpyuv_dsp.c
[9/184] Compiling sharpyuv_gamma.c
[10/184] Compiling wicdec.c
[11/184] Compiling tiffdec.c
[12/184] Compiling sharpyuv.c
[13/184] Compiling pngdec.c
[13/184] Compiling webpdec.c
[15/184] Compiling metadata.c
[15/184] Compiling pnmdec.c
[17/184] Compiling jpegdec.c
[18/184] Compiling JPEGTurboC JPEGTurboC.c
[19/184] Write swift-version-24593BA9C3E375BF.txt
[20/184] Compiling image_dec.c
[21/184] Compiling imageio_util.c
[21/184] Compiling ZLibC uncompr.c
[23/184] Compiling ZLibC inftrees.c
[24/184] Compiling ZLibC zutil.c
[25/184] Compiling image_enc.c
[26/184] Compiling ZLibC inffast.c
/host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzwrite.c:78:20: error: call to undeclared function 'write'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
78 | writ = write(state->fd, strm->next_in, put);
| ^
/host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzwrite.c:78:20: note: did you mean 'fwrite'?
/root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/stdio.h:103:8: note: 'fwrite' declared here
103 | size_t fwrite(const void *__restrict, size_t, size_t, FILE *__restrict);
| ^
/host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzwrite.c:108:24: error: call to undeclared function 'write'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
108 | writ = write(state->fd, state->x.next, put);
| ^
/host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzwrite.c:627:9: error: call to undeclared function 'close'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
627 | if (close(state->fd) == -1)
| ^
/host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzwrite.c:627:9: note: did you mean 'fclose'?
/root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/stdio.h:85:5: note: 'fclose' declared here
85 | int fclose(FILE *);
| ^
3 errors generated.
[27/184] Compiling ZLibC gzwrite.c
[27/185] Compiling ZLibC trees.c
[27/186] Compiling ZLibC gzclose.c
/host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzlib.c:245:9: error: call to undeclared function 'lseek'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
245 | LSEEK(state->fd, 0, SEEK_END); /* so gzoffset() is correct */
| ^
/host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzlib.c:15:17: note: expanded from macro 'LSEEK'
15 | # define LSEEK lseek
| ^
/host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzlib.c:245:9: note: did you mean 'fseek'?
/host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzlib.c:15:17: note: expanded from macro 'LSEEK'
15 | # define LSEEK lseek
| ^
/root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/stdio.h:95:5: note: 'fseek' declared here
95 | int fseek(FILE *, long, int);
| ^
/host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzlib.c:251:24: error: call to undeclared function 'lseek'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
251 | state->start = LSEEK(state->fd, 0, SEEK_CUR);
| ^
/host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzlib.c:15:17: note: expanded from macro 'LSEEK'
15 | # define LSEEK lseek
| ^
/host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzlib.c:335:9: error: call to undeclared function 'lseek'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
335 | if (LSEEK(state->fd, state->start, SEEK_SET) == -1)
| ^
/host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzlib.c:15:17: note: expanded from macro 'LSEEK'
15 | # define LSEEK lseek
| ^
[27/186] Compiling ZLibC gzlib.c
[27/186] Compiling ZLibC inflate.c
/host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzread.c:22:15: error: call to undeclared function 'read'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
22 | ret = read(state->fd, buf + *have, get);
| ^
/host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzread.c:22:15: note: did you mean 'fread'?
/root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/stdio.h:102:8: note: 'fread' declared here
102 | size_t fread(void *__restrict, size_t, size_t, FILE *__restrict);
| ^
/host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzread.c:600:11: error: call to undeclared function 'close'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
600 | ret = close(state->fd);
| ^
/host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzread.c:600:11: note: did you mean 'fclose'?
/root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/stdio.h:85:5: note: 'fclose' declared here
85 | int fclose(FILE *);
| ^
[27/186] Compiling ZLibC gzread.c
[27/186] Compiling ZLibC infback.c
BUILD FAILURE 6.2 wasm