Swift Package Index

Build Information

Failed to build swift-ico, reference main (033883), with Swift 6.2 for Wasm on 27 Mar 2026 08:34:48 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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

Build Log

========================================
RunAll
========================================
Builder version: 4.69.2
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 033883c Switch from lanczos to linear downscaling algorithm
Cloned https://github.com/stackotter/swift-ico.git
Revision (git rev-parse @):
033883c75b92af91c9b010b629ad6e0135aa3d64
SUCCESS checkout https://github.com/stackotter/swift-ico.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.2
Building package at path:  $PWD
https://github.com/stackotter/swift-ico.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$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
Fetching https://github.com/stackotter/swift-image-formats
[1/155] Fetching swift-image-formats
Fetched https://github.com/stackotter/swift-image-formats from cache (0.67s)
Computing version for https://github.com/stackotter/swift-image-formats
Computed https://github.com/stackotter/swift-image-formats at 0.5.0 (3.01s)
Fetching https://github.com/the-swift-collective/libwebp
Fetching https://github.com/stackotter/jpeg
Fetching https://github.com/the-swift-collective/libpng
[2/54] Fetching libwebp
[16/84] Fetching libwebp, libpng
Fetched https://github.com/the-swift-collective/libwebp from cache (0.42s)
[31/3141] Fetching libpng, jpeg
Fetched https://github.com/the-swift-collective/libpng from cache (5.40s)
Fetched https://github.com/stackotter/jpeg from cache (5.50s)
Computing version for https://github.com/the-swift-collective/libwebp
Computed https://github.com/the-swift-collective/libwebp at 1.4.1 (5.94s)
Computing version for https://github.com/stackotter/jpeg
Computed https://github.com/stackotter/jpeg at 1.0.2 (1.09s)
Computing version for https://github.com/the-swift-collective/libpng
Computed https://github.com/the-swift-collective/libpng at 1.6.45 (0.63s)
Fetching https://github.com/the-swift-collective/zlib.git
[1/48] Fetching zlib
Fetched https://github.com/the-swift-collective/zlib.git from cache (0.51s)
Computing version for https://github.com/the-swift-collective/zlib.git
Computed https://github.com/the-swift-collective/zlib.git at 1.3.2 (1.32s)
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
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/stackotter/swift-image-formats
Working copy of https://github.com/stackotter/swift-image-formats resolved at 0.5.0
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/jpeg
Working copy of https://github.com/stackotter/jpeg resolved at 1.0.2
Building for debugging...
[0/183] Compiling sharpyuv_neon.c
[1/183] Compiling sharpyuv_cpu.c
[2/183] Compiling sharpyuv_dsp.c
[3/183] Compiling wicdec.c
[4/183] Compiling sharpyuv_csp.c
[5/183] Compiling sharpyuv_gamma.c
[6/183] Compiling tiffdec.c
[7/183] Compiling sharpyuv.c
[8/183] Compiling pngdec.c
[9/183] Write swift-version-24593BA9C3E375BF.txt
[10/183] Compiling sharpyuv_sse2.c
[11/183] Compiling jpegdec.c
[12/183] Compiling webpdec.c
[13/183] Compiling pnmdec.c
[14/183] Compiling metadata.c
[15/183] Compiling imageio_util.c
[16/183] Compiling image_dec.c
[17/183] Compiling ZLibC uncompr.c
[18/183] Compiling image_enc.c
[19/183] Compiling ZLibC zutil.c
[20/183] Compiling ZLibC inftrees.c
[21/183] Compiling ZLibC inffast.c
[22/183] Compiling ZLibC trees.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.
[23/183] Compiling ZLibC gzwrite.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 *);
      |     ^
[23/183] Compiling ZLibC gzread.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
      |                 ^
/host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzlib.c:372:15: error: call to undeclared function 'lseek'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  372 |         ret = LSEEK(state->fd, offset - (z_off64_t)state->x.have, 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:458:14: error: call to undeclared function 'lseek'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  458 |     offset = 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
      |                 ^
[23/183] Compiling ZLibC gzlib.c
[23/183] Compiling ZLibC infback.c
[23/183] Compiling ZLibC inflate.c
[23/183] Compiling ZLibC gzclose.c
[23/183] Compiling ZLibC crc32.c
[23/183] Compiling ZLibC deflate.c
BUILD FAILURE 6.2 wasm