Chroma – Build Information – Swift Package Index

Build Information

Failed to build Chroma, reference 0.3.1 (982a67), with Swift 6.4 for Wasm on 25 Sep 2026 15:47:06 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.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/onevcat/Chroma.git
Reference: 0.3.1
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/onevcat/Chroma
 * tag               0.3.1      -> FETCH_HEAD
HEAD is now at 982a672 Release 0.3.1
Cloned https://github.com/onevcat/Chroma.git
Revision (git rev-parse @):
982a672a333f8d77fac8f64a6a84668a7b308e12
SUCCESS checkout https://github.com/onevcat/Chroma.git at 0.3.1
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/onevcat/Chroma.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344844-1":/host -w "$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.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
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Working copy of https://github.com/apple/swift-numerics resolved at 1.1.1
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Working copy of https://github.com/apple/swift-configuration resolved at 0.2.0
Creating working copy for https://github.com/ordo-one/malloc-interposer.git
Working copy of https://github.com/ordo-one/malloc-interposer.git resolved at 1.4.0
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Working copy of https://github.com/ordo-one/swift-runtime-interposer.git resolved at 2.0.0
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Working copy of https://github.com/apple/swift-log.git resolved at 1.15.1
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Working copy of https://github.com/apple/swift-async-algorithms.git resolved at 1.1.6
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Working copy of https://github.com/onevcat/Rainbow.git resolved at 4.2.2
Building for debugging...
[Computing dependencies]
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[Planning deferred tasks]
[Starting]
[157 / 311] MallocInterposerSwift
In file included from /host/spi-builder-workspace/.build/checkouts/malloc-interposer/Sources/MallocInterposerC/src/interposer-unix.c:40:
[1m/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/sys/mman.h:2:2: [0m[0;1;31merror: [0m[1m"WASI lacks a true mmap; to enable minimal mmap emulation, compile with -D_WASI_EMULATED_MMAN and link with -lwasi-emulated-mman"[0m
    2 | #error [0;32m"WASI lacks a true mmap; to enable minimal mmap emulation, \[0m
      | [0;1;32m ^
[0mIn file included from /host/spi-builder-workspace/.build/checkouts/malloc-interposer/Sources/MallocInterposerC/src/interposer-unix.c:47:
[1m/host/spi-builder-workspace/.build/checkouts/malloc-interposer/Sources/MallocInterposerC/include/interposer.h:63:16: [0m[0;1;31merror: [0m[1mstatic assertion failed due to requirement 'sizeof(malloc_header_t) == 16': malloc_header_t must be 16 bytes to preserve 16-byte alignment[0m
   63 | [0;34m_Static_assert[0m([0;34msizeof[0m(malloc_header_t) == [0;32m16[0m,[0m
      | [0;1;32m               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[0m[1m/host/spi-builder-workspace/.build/checkouts/malloc-interposer/Sources/MallocInterposerC/include/interposer.h:63:40: [0m[0;1;36mnote: [0mexpression evaluates to '12 == 16'[0m
   63 | [0;34m_Static_assert[0m([0;34msizeof[0m(malloc_header_t) == [0;32m16[0m,[0m
      | [0;1;32m               ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
[0m2 errors generated.
error: CompileC /host/spi-builder-workspace/.build/out/Intermediates.noindex/malloc-interposer.build/Debug-webassembly-wasm32/MallocInterposerC-t.build/Objects-normal/wasm32/interposer-unix.o /host/spi-builder-workspace/.build/checkouts/malloc-interposer/Sources/MallocInterposerC/src/interposer-unix.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/malloc-interposer.build/Debug-webassembly-wasm32/MallocInterposerC-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/malloc-interposer.build/Debug-webassembly-wasm32/MallocInterposerC-t.build/Objects-normal/wasm32/9f65232cb83f8421e3a495a5062eba382369c975104ee97bafc405ab795bfc5e-common-args.resp -MMD -MT dependencies -MF /host/spi-builder-workspace/.build/out/Intermediates.noindex/malloc-interposer.build/Debug-webassembly-wasm32/MallocInterposerC-t.build/Objects-normal/wasm32/interposer-unix.d --serialize-diagnostics /host/spi-builder-workspace/.build/out/Intermediates.noindex/malloc-interposer.build/Debug-webassembly-wasm32/MallocInterposerC-t.build/Objects-normal/wasm32/interposer-unix.dia -c /host/spi-builder-workspace/.build/checkouts/malloc-interposer/Sources/MallocInterposerC/src/interposer-unix.c -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/malloc-interposer.build/Debug-webassembly-wasm32/MallocInterposerC-t.build/Objects-normal/wasm32/interposer-unix.o
error: Build failed
BUILD FAILURE 6.4 wasm