Swift Package IndexBuild Information
Failed to build leveldb, reference firebase-release (f62723), with Swift 6.3 for Wasm on 14 Apr 2026 10:47:10 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/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
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/firebase/leveldb.git
Reference: firebase-release
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/firebase/leveldb
* branch firebase-release -> FETCH_HEAD
* [new branch] firebase-release -> origin/firebase-release
HEAD is now at f627239 Update podspec for 1.22.6 (#16)
Cloned https://github.com/firebase/leveldb.git
Revision (git rev-parse @):
f6272399648046e31749d77e9c548712168afcf1
SUCCESS checkout https://github.com/firebase/leveldb.git at firebase-release
========================================
Build
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Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/firebase/leveldb.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$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
Building for debugging...
[0/39] Copying PrivacyInfo.xcprivacy
In file included from /host/spi-builder-workspace/util/histogram.cc:10:
In file included from /host/spi-builder-workspace/port/port.h:14:
/host/spi-builder-workspace/port/port_stdcxx.h:61:3: error: no type named 'mutex' in namespace 'std'; did you mean 'Mutex'?
61 | std::mutex mu_;
| ^~~~~~~~~~
| Mutex
/host/spi-builder-workspace/port/port_stdcxx.h:47:16: note: 'Mutex' declared here
47 | class LOCKABLE Mutex {
| ^
/host/spi-builder-workspace/port/port_stdcxx.h:82:8: error: no type named 'condition_variable' in namespace 'std'
82 | std::condition_variable cv_;
| ~~~~~^
/host/spi-builder-workspace/port/port_stdcxx.h:74:27: error: no member named 'mutex' in namespace 'std'
74 | std::unique_lock<std::mutex> lock(mu_->mu_, std::adopt_lock);
| ^~~~~
3 errors generated.
[1/39] Compiling histogram.cc
In file included from /host/spi-builder-workspace/util/status.cc:9:
In file included from /host/spi-builder-workspace/port/port.h:14:
/host/spi-builder-workspace/port/port_stdcxx.h:61:3: error: no type named 'mutex' in namespace 'std'; did you mean 'Mutex'?
61 | std::mutex mu_;
| ^~~~~~~~~~
| Mutex
/host/spi-builder-workspace/port/port_stdcxx.h:47:16: note: 'Mutex' declared here
47 | class LOCKABLE Mutex {
| ^
/host/spi-builder-workspace/port/port_stdcxx.h:82:8: error: no type named 'condition_variable' in namespace 'std'
82 | std::condition_variable cv_;
| ~~~~~^
/host/spi-builder-workspace/port/port_stdcxx.h:74:27: error: no member named 'mutex' in namespace 'std'
74 | std::unique_lock<std::mutex> lock(mu_->mu_, std::adopt_lock);
| ^~~~~
3 errors generated.
[1/39] Compiling status.cc
[1/39] Compiling filter_policy.cc
[1/39] Compiling env.cc
In file included from /host/spi-builder-workspace/util/env_posix.cc:8:
/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/util/env_posix.cc:9:
/root/.swiftpm/swift-sdks/swift-6.3-RELEASE_wasm.artifactbundle/swift-6.3-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/sys/resource.h:2:2: error: WASI lacks process-associated clocks; to enable emulation of the `getrusage` function using the wall clock, which isn't sensitive to whether the program is running or suspended, compile with -D_WASI_EMULATED_PROCESS_CLOCKS and link with -lwasi-emulated-process-clocks
2 | #error WASI lacks process-associated clocks; to enable emulation of the `getrusage` function using \
| ^
[1/39] Compiling env_posix.cc
In file included from /host/spi-builder-workspace/util/logging.cc:5:
In file included from /host/spi-builder-workspace/util/logging.h:15:
In file included from /host/spi-builder-workspace/port/port.h:14:
/host/spi-builder-workspace/port/port_stdcxx.h:61:3: error: no type named 'mutex' in namespace 'std'; did you mean 'Mutex'?
61 | std::mutex mu_;
| ^~~~~~~~~~
| Mutex
/host/spi-builder-workspace/port/port_stdcxx.h:47:16: note: 'Mutex' declared here
47 | class LOCKABLE Mutex {
| ^
/host/spi-builder-workspace/port/port_stdcxx.h:82:8: error: no type named 'condition_variable' in namespace 'std'
82 | std::condition_variable cv_;
| ~~~~~^
/host/spi-builder-workspace/port/port_stdcxx.h:74:27: error: no member named 'mutex' in namespace 'std'
74 | std::unique_lock<std::mutex> lock(mu_->mu_, std::adopt_lock);
| ^~~~~
[1/39] Compiling logging.cc
[1/39] Compiling options.cc
In file included from /host/spi-builder-workspace/util/hash.cc:9:
In file included from /host/spi-builder-workspace/util/coding.h:18:
In file included from /host/spi-builder-workspace/port/port.h:14:
/host/spi-builder-workspace/port/port_stdcxx.h:61:3: error: no type named 'mutex' in namespace 'std'; did you mean 'Mutex'?
61 | std::mutex mu_;
| ^~~~~~~~~~
| Mutex
/host/spi-builder-workspace/port/port_stdcxx.h:47:16: note: 'Mutex' declared here
47 | class LOCKABLE Mutex {
| ^
[1/39] Compiling hash.cc
BUILD FAILURE 6.3 wasm