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Build Information

Failed to build SwiftDjot, reference main (56fb0d), with Swift 6.4 for Wasm on 19 Sep 2026 17:28:39 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-53886769-0":/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/wti/SwiftDjot.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/wti/SwiftDjot
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 56fb0db swift-format: disable UseLetInEveryBoundCaseVariable as 6.0.1 formatter
Cloned https://github.com/wti/SwiftDjot.git
Revision (git rev-parse @):
56fb0db12df3c84a1654c1152419f0ac81e963d1
SUCCESS checkout https://github.com/wti/SwiftDjot.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/wti/SwiftDjot.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886769-0":/host -w "$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
Building for debugging...
[Pre-planning 1 / 125]
In file included from /host/spi-builder-workspace/Sources/Cdjot/lzio.c:19:
In file included from /host/spi-builder-workspace/Sources/Cdjot/lstate.h:125:
/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/signal.h:2:2: error: "wasm lacks signal support; to enable minimal signal emulation, compile with -D_WASI_EMULATED_SIGNAL and link with -lwasi-emulated-signal"
    2 | #error "wasm lacks signal support; to enable minimal signal emulation, \
      |  ^
In file included from /host/spi-builder-workspace/Sources/Cdjot/lzio.c:19:
/host/spi-builder-workspace/Sources/Cdjot/lstate.h:179:16: error: unknown type name 'sig_atomic_t'
  179 |       volatile l_signalT trap;
      |                ^
/host/spi-builder-workspace/Sources/Cdjot/lstate.h:126:19: note: expanded from macro 'l_signalT'
  126 | #define l_signalT       sig_atomic_t
      |                         ^
/host/spi-builder-workspace/Sources/Cdjot/lstate.h:326:12: error: unknown type name 'sig_atomic_t'
  326 |   volatile l_signalT hookmask;
      |            ^
/host/spi-builder-workspace/Sources/Cdjot/lstate.h:126:19: note: expanded from macro 'l_signalT'
  126 | #define l_signalT       sig_atomic_t
      |                         ^
3 errors generated.
error: CompileC /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftDjot.build/Debug-webassembly-wasm32/Cdjot-t.build/Objects-normal/wasm32/lzio.o /host/spi-builder-workspace/Sources/Cdjot/lzio.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/SwiftDjot.build/Debug-webassembly-wasm32/Cdjot-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 -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/SwiftDjot.build/Debug-webassembly-wasm32/Cdjot-t.build/Objects-normal/wasm32/9f65232cb83f8421e3a495a5062eba382369c975104ee97bafc405ab795bfc5e-common-args.resp -MMD -MT dependencies -MF /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftDjot.build/Debug-webassembly-wasm32/Cdjot-t.build/Objects-normal/wasm32/lzio.d --serialize-diagnostics /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftDjot.build/Debug-webassembly-wasm32/Cdjot-t.build/Objects-normal/wasm32/lzio.dia -c /host/spi-builder-workspace/Sources/Cdjot/lzio.c -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftDjot.build/Debug-webassembly-wasm32/Cdjot-t.build/Objects-normal/wasm32/lzio.o
In file included from /host/spi-builder-workspace/Sources/Cdjot/lua.c:16:
/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/signal.h:2:2: error: "wasm lacks signal support; to enable minimal signal emulation, compile with -D_WASI_EMULATED_SIGNAL and link with -lwasi-emulated-signal"
    2 | #error "wasm lacks signal support; to enable minimal signal emulation, \
      |  ^
/host/spi-builder-workspace/Sources/Cdjot/lua.c:46:20: error: variable has incomplete type 'struct sigaction'
   46 |   struct sigaction sa;
      |                    ^
/host/spi-builder-workspace/Sources/Cdjot/lua.c:46:10: note: forward declaration of 'struct sigaction'
   46 |   struct sigaction sa;
      |          ^
/host/spi-builder-workspace/Sources/Cdjot/lua.c:49:3: error: call to undeclared function 'sigemptyset'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
   49 |   sigemptyset(&sa.sa_mask);  /* do not mask any signal */
      |   ^
/host/spi-builder-workspace/Sources/Cdjot/lua.c:50:3: error: call to undeclared function 'sigaction'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
   50 |   sigaction(sig, &sa, NULL);
      |   ^
/host/spi-builder-workspace/Sources/Cdjot/lua.c:78:16: error: use of undeclared identifier 'SIG_DFL'
   78 |   setsignal(i, SIG_DFL); /* if another SIGINT happens, terminate process */
      |                ^~~~~~~
/host/spi-builder-workspace/Sources/Cdjot/lua.c:159:13: error: use of undeclared identifier 'SIGINT'
  159 |   setsignal(SIGINT, laction);  /* set C-signal handler */
      |             ^~~~~~
/host/spi-builder-workspace/Sources/Cdjot/lua.c:161:13: error: use of undeclared identifier 'SIGINT'
  161 |   setsignal(SIGINT, SIG_DFL); /* reset C-signal handler */
      |             ^~~~~~
/host/spi-builder-workspace/Sources/Cdjot/lua.c:161:21: error: use of undeclared identifier 'SIG_DFL'
  161 |   setsignal(SIGINT, SIG_DFL); /* reset C-signal handler */
      |                     ^~~~~~~
8 errors generated.
error: CompileC /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftDjot.build/Debug-webassembly-wasm32/Cdjot-t.build/Objects-normal/wasm32/lua.o /host/spi-builder-workspace/Sources/Cdjot/lua.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/SwiftDjot.build/Debug-webassembly-wasm32/Cdjot-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 -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/SwiftDjot.build/Debug-webassembly-wasm32/Cdjot-t.build/Objects-normal/wasm32/9f65232cb83f8421e3a495a5062eba382369c975104ee97bafc405ab795bfc5e-common-args.resp -MMD -MT dependencies -MF /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftDjot.build/Debug-webassembly-wasm32/Cdjot-t.build/Objects-normal/wasm32/lua.d --serialize-diagnostics /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftDjot.build/Debug-webassembly-wasm32/Cdjot-t.build/Objects-normal/wasm32/lua.dia -c /host/spi-builder-workspace/Sources/Cdjot/lua.c -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftDjot.build/Debug-webassembly-wasm32/Cdjot-t.build/Objects-normal/wasm32/lua.o
In file included from /host/spi-builder-workspace/Sources/Cdjot/lundump.c:18:
In file included from /host/spi-builder-workspace/Sources/Cdjot/ldebug.h:11:
In file included from /host/spi-builder-workspace/Sources/Cdjot/lstate.h:125:
/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/signal.h:2:2: error: "wasm lacks signal support; to enable minimal signal emulation, compile with -D_WASI_EMULATED_SIGNAL and link with -lwasi-emulated-signal"
    2 | #error "wasm lacks signal support; to enable minimal signal emulation, \
      |  ^
In file included from /host/spi-builder-workspace/Sources/Cdjot/lundump.c:18:
In file included from /host/spi-builder-workspace/Sources/Cdjot/ldebug.h:11:
/host/spi-builder-workspace/Sources/Cdjot/lstate.h:179:16: error: unknown type name 'sig_atomic_t'
  179 |       volatile l_signalT trap;
      |                ^
/host/spi-builder-workspace/Sources/Cdjot/lstate.h:126:19: note: expanded from macro 'l_signalT'
  126 | #define l_signalT       sig_atomic_t
      |                         ^
/host/spi-builder-workspace/Sources/Cdjot/lstate.h:326:12: error: unknown type name 'sig_atomic_t'
  326 |   volatile l_signalT hookmask;
      |            ^
/host/spi-builder-workspace/Sources/Cdjot/lstate.h:126:19: note: expanded from macro 'l_signalT'
  126 | #define l_signalT       sig_atomic_t
      |                         ^
3 errors generated.
error: CompileC /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftDjot.build/Debug-webassembly-wasm32/Cdjot-t.build/Objects-normal/wasm32/lundump.o /host/spi-builder-workspace/Sources/Cdjot/lundump.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/SwiftDjot.build/Debug-webassembly-wasm32/Cdjot-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 -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/SwiftDjot.build/Debug-webassembly-wasm32/Cdjot-t.build/Objects-normal/wasm32/9f65232cb83f8421e3a495a5062eba382369c975104ee97bafc405ab795bfc5e-common-args.resp -MMD -MT dependencies -MF /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftDjot.build/Debug-webassembly-wasm32/Cdjot-t.build/Objects-normal/wasm32/lundump.d --serialize-diagnostics /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftDjot.build/Debug-webassembly-wasm32/Cdjot-t.build/Objects-normal/wasm32/lundump.dia -c /host/spi-builder-workspace/Sources/Cdjot/lundump.c -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftDjot.build/Debug-webassembly-wasm32/Cdjot-t.build/Objects-normal/wasm32/lundump.o
In file included from /host/spi-builder-workspace/Sources/Cdjot/luac.c:21:
In file included from /host/spi-builder-workspace/Sources/Cdjot/ldebug.h:11:
In file included from /host/spi-builder-workspace/Sources/Cdjot/lstate.h:125:
/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/signal.h:2:2: error: "wasm lacks signal support; to enable minimal signal emulation, compile with -D_WASI_EMULATED_SIGNAL and link with -lwasi-emulated-signal"
    2 | #error "wasm lacks signal support; to enable minimal signal emulation, \
      |  ^
In file included from /host/spi-builder-workspace/Sources/Cdjot/luac.c:21:
In file included from /host/spi-builder-workspace/Sources/Cdjot/ldebug.h:11:
/host/spi-builder-workspace/Sources/Cdjot/lstate.h:179:16: error: unknown type name 'sig_atomic_t'
  179 |       volatile l_signalT trap;
      |                ^
/host/spi-builder-workspace/Sources/Cdjot/lstate.h:126:19: note: expanded from macro 'l_signalT'
  126 | #define l_signalT       sig_atomic_t
      |                         ^
/host/spi-builder-workspace/Sources/Cdjot/lstate.h:326:12: error: unknown type name 'sig_atomic_t'
  326 |   volatile l_signalT hookmask;
      |            ^
/host/spi-builder-workspace/Sources/Cdjot/lstate.h:126:19: note: expanded from macro 'l_signalT'
  126 | #define l_signalT       sig_atomic_t
      |                         ^
3 errors generated.
error: CompileC /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftDjot.build/Debug-webassembly-wasm32/Cdjot-t.build/Objects-normal/wasm32/luac.o /host/spi-builder-workspace/Sources/Cdjot/luac.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/SwiftDjot.build/Debug-webassembly-wasm32/Cdjot-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 -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/SwiftDjot.build/Debug-webassembly-wasm32/Cdjot-t.build/Objects-normal/wasm32/9f65232cb83f8421e3a495a5062eba382369c975104ee97bafc405ab795bfc5e-common-args.resp -MMD -MT dependencies -MF /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftDjot.build/Debug-webassembly-wasm32/Cdjot-t.build/Objects-normal/wasm32/luac.d --serialize-diagnostics /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftDjot.build/Debug-webassembly-wasm32/Cdjot-t.build/Objects-normal/wasm32/luac.dia -c /host/spi-builder-workspace/Sources/Cdjot/luac.c -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftDjot.build/Debug-webassembly-wasm32/Cdjot-t.build/Objects-normal/wasm32/luac.o
error: Build failed
BUILD FAILURE 6.4 wasm