Swift Package IndexBuild Information
Failed to build Membrane, reference 0.1.3 (538bc2), with Swift 6.3 for Wasm on 19 Apr 2026 11:50:57 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/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-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1Build Log
========================================
RunAll
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Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/christopherkarani/Membrane.git
Reference: 0.1.3
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/christopherkarani/Membrane
* tag 0.1.3 -> FETCH_HEAD
HEAD is now at 538bc25 merge: release Membrane 0.1.3
Cloned https://github.com/christopherkarani/Membrane.git
Revision (git rev-parse @):
538bc256e95b44dc3c87a1fb1e40ce549df07af0
SUCCESS checkout https://github.com/christopherkarani/Membrane.git at 0.1.3
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/christopherkarani/Membrane.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1
wasm-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:d69f4e7582c319245442d62a08b2d7c7fd5a0c0c69f5d2ef11d1530cd8d3329b
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest
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In file included from /host/spi-builder-workspace/.build/checkouts/USearch/c/lib.cpp:3:
In file included from /host/spi-builder-workspace/.build/checkouts/USearch/include/usearch/index_dense.hpp:8:
In file included from /host/spi-builder-workspace/.build/checkouts/USearch/include/usearch/index.hpp:85:
/root/.swiftpm/swift-sdks/swift-6.3-RELEASE_wasm.artifactbundle/swift-6.3-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/sys/mman.h:2:2: error: "WASI lacks a true mmap; to enable minimal mmap emulation, compile with -D_WASI_EMULATED_MMAN and link with -lwasi-emulated-mman"
2 | #error "WASI lacks a true mmap; to enable minimal mmap emulation, \
| ^
In file included from /host/spi-builder-workspace/.build/checkouts/USearch/c/lib.cpp:3:
In file included from /host/spi-builder-workspace/.build/checkouts/USearch/include/usearch/index_dense.hpp:8:
/host/spi-builder-workspace/.build/checkouts/USearch/include/usearch/index.hpp:713:18: error: no member named 'this_thread' in namespace 'std'
713 | std::this_thread::yield();
| ~~~~~^
/host/spi-builder-workspace/.build/checkouts/USearch/include/usearch/index.hpp:1532:36: error: no member named 'thread' in namespace 'std'
1532 | std::size_t threads_add = std::thread::hardware_concurrency();
| ~~~~~^
/host/spi-builder-workspace/.build/checkouts/USearch/include/usearch/index.hpp:1534:39: error: no member named 'thread' in namespace 'std'
1534 | std::size_t threads_search = std::thread::hardware_concurrency();
| ~~~~~^
/host/spi-builder-workspace/.build/checkouts/USearch/include/usearch/index.hpp:1537:80: error: no member named 'thread' in namespace 'std'
1537 | inline index_limits_t(std::size_t n = 0) noexcept : index_limits_t(n, std::thread::hardware_concurrency()) {}
| ~~~~~^
/host/spi-builder-workspace/.build/checkouts/USearch/include/usearch/index.hpp:1948:63: error: use of undeclared identifier 'PROT_READ'
1948 | byte_t* file = (byte_t*)mmap(NULL, file_stat.st_size, PROT_READ, MAP_SHARED, descriptor, 0);
| ^~~~~~~~~
/host/spi-builder-workspace/.build/checkouts/USearch/include/usearch/index.hpp:1948:74: error: use of undeclared identifier 'MAP_SHARED'
1948 | byte_t* file = (byte_t*)mmap(NULL, file_stat.st_size, PROT_READ, MAP_SHARED, descriptor, 0);
| ^~~~~~~~~~
/host/spi-builder-workspace/.build/checkouts/USearch/include/usearch/index.hpp:1949:21: error: use of undeclared identifier 'MAP_FAILED'
1949 | if (file == MAP_FAILED) {
| ^~~~~~~~~~
/host/spi-builder-workspace/.build/checkouts/USearch/include/usearch/index.hpp:1973:9: error: use of undeclared identifier 'munmap'
1973 | munmap(ptr_, length_);
| ^~~~~~
/host/spi-builder-workspace/.build/checkouts/USearch/include/usearch/index.hpp:2396:10: error: no type named 'mutex' in namespace 'std'
2396 | std::mutex global_mutex_{};
| ~~~~~^
/host/spi-builder-workspace/.build/checkouts/USearch/include/usearch/index.hpp:2938:31: error: no member named 'mutex' in namespace 'std'
2938 | std::unique_lock<std::mutex> new_level_lock(global_mutex_);
| ^~~~~
/host/spi-builder-workspace/.build/checkouts/USearch/include/usearch/index.hpp:3082:35: error: no member named 'mutex' in namespace 'std'
3082 | std::unique_lock<std::mutex> new_level_lock(global_mutex_);
| ^~~~~
/host/spi-builder-workspace/.build/checkouts/USearch/include/usearch/index.hpp:4613:10: error: no type named 'mutex' in namespace 'std'
4613 | std::mutex free_men_mutex{};
| ~~~~~^
/host/spi-builder-workspace/.build/checkouts/USearch/include/usearch/index.hpp:4656:39: error: no member named 'mutex' in namespace 'std'
4656 | std::unique_lock<std::mutex> pop_lock(free_men_mutex);
| ^~~~~
/host/spi-builder-workspace/.build/checkouts/USearch/include/usearch/index.hpp:4712:43: error: no member named 'mutex' in namespace 'std'
4712 | std::unique_lock<std::mutex> push_lock(free_men_mutex);
| ^~~~~
/host/spi-builder-workspace/.build/checkouts/USearch/include/usearch/index.hpp:4715:43: error: no member named 'mutex' in namespace 'std'
4715 | std::unique_lock<std::mutex> push_lock(free_men_mutex);
| ^~~~~
In file included from /host/spi-builder-workspace/.build/checkouts/USearch/c/lib.cpp:3:
In file included from /host/spi-builder-workspace/.build/checkouts/USearch/include/usearch/index_dense.hpp:12:
/host/spi-builder-workspace/.build/checkouts/USearch/include/usearch/index_plugins.hpp:1355:14: error: no type named 'thread' in namespace 'std'
1355 | std::thread native_;
| ~~~~~^
/host/spi-builder-workspace/.build/checkouts/USearch/include/usearch/index_plugins.hpp:1375:63: error: no member named 'thread' in namespace 'std'
1375 | : threads_count_(threads_count ? threads_count : std::thread::hardware_concurrency()) {}
| ~~~~~^
/host/spi-builder-workspace/.build/checkouts/USearch/include/usearch/index_plugins.hpp:1622:48: error: use of undeclared identifier 'PROT_WRITE'
1622 | auto* result = mmap(NULL, count_bytes, PROT_WRITE | PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
| ^~~~~~~~~~
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
[170/451] Compiling USearchC lib.cpp
[170/451] Compiling co-586-linux.S
[170/451] Compiling bn-armv8-linux.S
[170/451] Compiling bn-armv8-win.S
[170/451] Compiling bsaes-armv7-linux.S
[170/451] Compiling ghash-armv4-linux.S
[170/451] Compiling yyjson.c
[170/451] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.3 wasm