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Build Information

Failed to build Exhaust, reference main (66f476), with Swift 6.4 for Wasm on 30 Oct 2026 23:27:01 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344844-1":/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-6.4.0-RELEASE_wasm 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.4
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/nesevis/exhaust.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/nesevis/exhaust
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 66f4768 Key unseeded explore checkpoints by generated seed
Cloned https://github.com/nesevis/exhaust.git
Revision (git rev-parse @):
66f476875ec6f9958ffc8d4d5014cbbec77effec
SUCCESS checkout https://github.com/nesevis/exhaust.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/nesevis/exhaust.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344844-1":/host -w "$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-6.4.0-RELEASE_wasm 2>&1
wasm-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:0ad19d16955074ecc72bbe910025b19c4e4614184c1a48afc82660d4c7620121
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest
Fetching https://github.com/pointfreeco/swift-custom-dump
Fetching https://github.com/google/swift-benchmark
Fetching https://github.com/pointfreeco/swift-issue-reporting
Fetching https://github.com/nicklockwood/SwiftFormat
Fetching https://github.com/swiftlang/swift-docc-plugin
Fetching https://github.com/swiftlang/swift-syntax.git
[1/2345] Fetching swift-docc-plugin
[25/3835] Fetching swift-docc-plugin, swift-benchmark
[400/9504] Fetching swift-docc-plugin, swift-benchmark, swift-custom-dump
Fetched https://github.com/pointfreeco/swift-custom-dump (0.48s)
Fetched https://github.com/swiftlang/swift-docc-plugin (0.49s)
[1/6180] Fetching swift-issue-reporting
[4018/70044] Fetching swift-issue-reporting, swiftformat
Fetched https://github.com/google/swift-benchmark (0.76s)
[13845/151413] Fetching swift-issue-reporting, swiftformat, swift-syntax
Fetched https://github.com/swiftlang/swift-syntax.git (3.83s)
[25340/70044] Fetching swift-issue-reporting, swiftformat
Fetched https://github.com/pointfreeco/swift-issue-reporting (16.99s)
Fetched https://github.com/nicklockwood/SwiftFormat (17.25s)
Computing version for https://github.com/pointfreeco/swift-custom-dump
Computed https://github.com/pointfreeco/swift-custom-dump at 1.7.3 (17.42s)
Computing version for https://github.com/google/swift-benchmark
Computed https://github.com/google/swift-benchmark at 0.1.2 (0.89s)
Fetching https://github.com/apple/swift-argument-parser
[1/19320] Fetching swift-argument-parser
Fetched https://github.com/apple/swift-argument-parser (0.84s)
Computing version for https://github.com/pointfreeco/swift-issue-reporting
Computed https://github.com/pointfreeco/swift-issue-reporting at 2.1.2 (1.06s)
Computing version for https://github.com/swiftlang/swift-docc-plugin
Computed https://github.com/swiftlang/swift-docc-plugin at 1.5.0 (0.18s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3850] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit (0.57s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (0.79s)
Computing version for https://github.com/swiftlang/swift-syntax.git
Computed https://github.com/swiftlang/swift-syntax.git at 603.0.2 (0.26s)
Computing version for https://github.com/nicklockwood/SwiftFormat
Computed https://github.com/nicklockwood/SwiftFormat at 0.64.4 (0.18s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.8.2 (0.16s)
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
Creating working copy for https://github.com/swiftlang/swift-docc-plugin
Working copy of https://github.com/swiftlang/swift-docc-plugin resolved at 1.5.0
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-issue-reporting
Working copy of https://github.com/pointfreeco/swift-issue-reporting resolved at 2.1.2
Creating working copy for https://github.com/nicklockwood/SwiftFormat
Working copy of https://github.com/nicklockwood/SwiftFormat resolved at 0.64.4
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.8.2
Creating working copy for https://github.com/google/swift-benchmark
Working copy of https://github.com/google/swift-benchmark resolved at 0.1.2
Creating working copy for https://github.com/swiftlang/swift-syntax.git
Working copy of https://github.com/swiftlang/swift-syntax.git resolved at 603.0.2
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/603.0.2/swift-6.4.0-RELEASE-ubuntu_noble_x86_64-MacroSupport.tar.gz
Downloaded https://download.swift.org/prebuilts/swift-syntax/603.0.2/swift-6.4.0-RELEASE-ubuntu_noble_x86_64-MacroSupport.tar.gz (0.17s)
warning: 'spi-builder-workspace': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /host/spi-builder-workspace/Tests/ExhaustTests/ReplayStability/ReplayCorpus.jsonl
Building for debugging...
[Computing dependencies]
[Provisioning 1 / 33]
[Pre-planning 1 / 797]
[Planning deferred tasks]
/host/spi-builder-workspace/Sources/ExhaustCoverageRuntime/ExhaustCoverageRuntime.c:126:34: error: Non-Emscripten WebAssembly hasn't implemented __builtin_return_address
  126 |     exhaust_cmp_record((uint64_t)__builtin_return_address(0), (uint64_t)arg1, (uint64_t)arg2);
      |                                  ^
/host/spi-builder-workspace/Sources/ExhaustCoverageRuntime/ExhaustCoverageRuntime.c:130:34: error: Non-Emscripten WebAssembly hasn't implemented __builtin_return_address
  130 |     exhaust_cmp_record((uint64_t)__builtin_return_address(0), (uint64_t)arg1, (uint64_t)arg2);
      |                                  ^
/host/spi-builder-workspace/Sources/ExhaustCoverageRuntime/ExhaustCoverageRuntime.c:134:34: error: Non-Emscripten WebAssembly hasn't implemented __builtin_return_address
  134 |     exhaust_cmp_record((uint64_t)__builtin_return_address(0), (uint64_t)arg1, (uint64_t)arg2);
      |                                  ^
/host/spi-builder-workspace/Sources/ExhaustCoverageRuntime/ExhaustCoverageRuntime.c:138:34: error: Non-Emscripten WebAssembly hasn't implemented __builtin_return_address
  138 |     exhaust_cmp_record((uint64_t)__builtin_return_address(0), arg1, arg2);
      |                                  ^
/host/spi-builder-workspace/Sources/ExhaustCoverageRuntime/ExhaustCoverageRuntime.c:144:34: error: Non-Emscripten WebAssembly hasn't implemented __builtin_return_address
  144 |     exhaust_cmp_record((uint64_t)__builtin_return_address(0), (uint64_t)arg1, (uint64_t)arg1);
      |                                  ^
/host/spi-builder-workspace/Sources/ExhaustCoverageRuntime/ExhaustCoverageRuntime.c:149:34: error: Non-Emscripten WebAssembly hasn't implemented __builtin_return_address
  149 |     exhaust_cmp_record((uint64_t)__builtin_return_address(0), (uint64_t)arg1, (uint64_t)arg1);
      |                                  ^
/host/spi-builder-workspace/Sources/ExhaustCoverageRuntime/ExhaustCoverageRuntime.c:154:34: error: Non-Emscripten WebAssembly hasn't implemented __builtin_return_address
  154 |     exhaust_cmp_record((uint64_t)__builtin_return_address(0), (uint64_t)arg1, (uint64_t)arg1);
      |                                  ^
/host/spi-builder-workspace/Sources/ExhaustCoverageRuntime/ExhaustCoverageRuntime.c:159:34: error: Non-Emscripten WebAssembly hasn't implemented __builtin_return_address
  159 |     exhaust_cmp_record((uint64_t)__builtin_return_address(0), arg1, arg1);
      |                                  ^
/host/spi-builder-workspace/Sources/ExhaustCoverageRuntime/ExhaustCoverageRuntime.c:168:31: error: Non-Emscripten WebAssembly hasn't implemented __builtin_return_address
  168 |     uint64_t site = (uint64_t)__builtin_return_address(0);
      |                               ^
9 errors generated.
error: CompileC /host/spi-builder-workspace/.build/out/Intermediates.noindex/Exhaust.build/Debug-webassembly-wasm32/ExhaustCoverageRuntime-t.build/Objects-normal/wasm32/ExhaustCoverageRuntime.o /host/spi-builder-workspace/Sources/ExhaustCoverageRuntime/ExhaustCoverageRuntime.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/Exhaust.build/Debug-webassembly-wasm32/ExhaustCoverageRuntime-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-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk -Werror @/host/spi-builder-workspace/.build/out/Intermediates.noindex/Exhaust.build/Debug-webassembly-wasm32/ExhaustCoverageRuntime-t.build/Objects-normal/wasm32/9f65232cb83f8421e3a495a5062eba382369c975104ee97bafc405ab795bfc5e-common-args.resp -MMD -MT dependencies -MF /host/spi-builder-workspace/.build/out/Intermediates.noindex/Exhaust.build/Debug-webassembly-wasm32/ExhaustCoverageRuntime-t.build/Objects-normal/wasm32/ExhaustCoverageRuntime.d --serialize-diagnostics /host/spi-builder-workspace/.build/out/Intermediates.noindex/Exhaust.build/Debug-webassembly-wasm32/ExhaustCoverageRuntime-t.build/Objects-normal/wasm32/ExhaustCoverageRuntime.dia -c /host/spi-builder-workspace/Sources/ExhaustCoverageRuntime/ExhaustCoverageRuntime.c -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/Exhaust.build/Debug-webassembly-wasm32/ExhaustCoverageRuntime-t.build/Objects-normal/wasm32/ExhaustCoverageRuntime.o
error: Build failed
BUILD FAILURE 6.4 wasm