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Build Information

Failed to build swift-ico, reference main (033883), with Swift 6.4 for Wasm on 24 Sep 2026 13:20:49 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344847-0":/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-6.4-latest swift build --swift-sdk swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
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:             6.4
Building package at path:  $PWD
https://github.com/stackotter/swift-ico.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344847-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.4-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/stackotter/swift-image-formats
[1/155] Fetching swift-image-formats
Fetched https://github.com/stackotter/swift-image-formats (0.48s)
Computing version for https://github.com/stackotter/swift-image-formats
Computed https://github.com/stackotter/swift-image-formats at 0.5.0 (1.52s)
Fetching https://github.com/the-swift-collective/libpng
Fetching https://github.com/the-swift-collective/libwebp
Fetching https://github.com/stackotter/jpeg
[1/54] Fetching libwebp
Fetched https://github.com/the-swift-collective/libwebp (0.50s)
[1/3111] Fetching jpeg
[33/3141] Fetching jpeg, libpng
Fetched https://github.com/the-swift-collective/libpng (2.08s)
Fetched https://github.com/stackotter/jpeg (2.12s)
Computing version for https://github.com/the-swift-collective/libwebp
Computed https://github.com/the-swift-collective/libwebp at 1.4.1 (2.32s)
Computing version for https://github.com/stackotter/jpeg
Computed https://github.com/stackotter/jpeg at 1.0.2 (0.20s)
Computing version for https://github.com/the-swift-collective/libpng
Computed https://github.com/the-swift-collective/libpng at 1.6.45 (0.18s)
Fetching https://github.com/the-swift-collective/zlib.git
[1/71] Fetching zlib
Fetched https://github.com/the-swift-collective/zlib.git (0.57s)
Computing version for https://github.com/the-swift-collective/zlib.git
Computed https://github.com/the-swift-collective/zlib.git at 1.3.2 (0.77s)
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/jpeg
Working copy of https://github.com/stackotter/jpeg resolved at 1.0.2
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/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
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 396]
[Constructing 3 / 977]
[61 / 280] pnglibconf
/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'?
In file included from /host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzwrite.c:6:
In file included from /host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzguts.h:32:
/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: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'?
In file included from /host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzwrite.c:6:
In file included from /host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzguts.h:32:
/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: note: 'fclose' declared here
   85 | int fclose(FILE *);
      |     ^
3 errors generated.
error: CompileC /host/spi-builder-workspace/.build/out/Intermediates.noindex/zlib.build/Debug-webassembly-wasm32/ZLibC-t.build/Objects-normal/wasm32/gzwrite.o /host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzwrite.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/gzwrite.d --serialize-diagnostics /host/spi-builder-workspace/.build/out/Intermediates.noindex/zlib.build/Debug-webassembly-wasm32/ZLibC-t.build/Objects-normal/wasm32/gzwrite.dia -c /host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzwrite.c -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/zlib.build/Debug-webassembly-wasm32/ZLibC-t.build/Objects-normal/wasm32/gzwrite.o
/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'?
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:
/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: 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'?
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:
/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: note: 'fclose' declared here
   85 | int fclose(FILE *);
      |     ^
2 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
/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
      |                 ^
In file included from /host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzlib.c:6:
In file included from /host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzguts.h:32:
/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: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
      |                 ^
5 errors generated.
error: CompileC /host/spi-builder-workspace/.build/out/Intermediates.noindex/zlib.build/Debug-webassembly-wasm32/ZLibC-t.build/Objects-normal/wasm32/gzlib.o /host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzlib.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/gzlib.d --serialize-diagnostics /host/spi-builder-workspace/.build/out/Intermediates.noindex/zlib.build/Debug-webassembly-wasm32/ZLibC-t.build/Objects-normal/wasm32/gzlib.dia -c /host/spi-builder-workspace/.build/checkouts/zlib/zlib/gzlib.c -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/zlib.build/Debug-webassembly-wasm32/ZLibC-t.build/Objects-normal/wasm32/gzlib.o
error: Build failed
BUILD FAILURE 6.4 wasm