Swift Package Index

Build Information

Failed to build RWLock, reference 1.0.0 (fc7781), with Swift 6.3 for Wasm on 13 Apr 2026 15:16:53 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>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/grype/RWLock-Swift.git
Reference: 1.0.0
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/grype/RWLock-Swift
 * tag               1.0.0      -> FETCH_HEAD
HEAD is now at fc7781a Initial commit
Cloned https://github.com/grype/RWLock-Swift.git
Revision (git rev-parse @):
fc7781a5b696c9e26942d8175b7d2363cd2d3680
SUCCESS checkout https://github.com/grype/RWLock-Swift.git at 1.0.0
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/grype/RWLock-Swift.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$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
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/5] Compiling RWLock RWLockedPropertyWrapper.swift
[4/5] Emitting module RWLock
[5/5] Compiling RWLock RWLock.swift
/host/spi-builder-workspace/Sources/RWLock/RWLock.swift:19:15: error: cannot find 'pthread_rwlock_init' in scope
17 |
18 |     public init() {
19 |         guard pthread_rwlock_init(&rwLock, nil) == 0 else {
   |               `- error: cannot find 'pthread_rwlock_init' in scope
20 |             preconditionFailure("Unable to initialize RWLock")
21 |         }
/host/spi-builder-workspace/Sources/RWLock/RWLock.swift:19:44: error: 'nil' requires a contextual type
17 |
18 |     public init() {
19 |         guard pthread_rwlock_init(&rwLock, nil) == 0 else {
   |                                            `- error: 'nil' requires a contextual type
20 |             preconditionFailure("Unable to initialize RWLock")
21 |         }
/host/spi-builder-workspace/Sources/RWLock/RWLock.swift:25:9: error: cannot find 'pthread_rwlock_destroy' in scope
23 |
24 |     deinit {
25 |         pthread_rwlock_destroy(&rwLock)
   |         `- error: cannot find 'pthread_rwlock_destroy' in scope
26 |     }
27 |
/host/spi-builder-workspace/Sources/RWLock/RWLock.swift:29:9: error: cannot find 'pthread_rwlock_wrlock' in scope
27 |
28 |     public func writeLock() {
29 |         pthread_rwlock_wrlock(&rwLock)
   |         `- error: cannot find 'pthread_rwlock_wrlock' in scope
30 |     }
31 |
/host/spi-builder-workspace/Sources/RWLock/RWLock.swift:33:9: error: cannot find 'pthread_rwlock_trywrlock' in scope
31 |
32 |     public func tryWriteLock() {
33 |         pthread_rwlock_trywrlock(&rwLock)
   |         `- error: cannot find 'pthread_rwlock_trywrlock' in scope
34 |     }
35 |
/host/spi-builder-workspace/Sources/RWLock/RWLock.swift:37:9: error: cannot find 'pthread_rwlock_rdlock' in scope
35 |
36 |     public func readLock() {
37 |         pthread_rwlock_rdlock(&rwLock)
   |         `- error: cannot find 'pthread_rwlock_rdlock' in scope
38 |     }
39 |
/host/spi-builder-workspace/Sources/RWLock/RWLock.swift:41:9: error: cannot find 'pthread_rwlock_tryrdlock' in scope
39 |
40 |     public func tryReadLock() {
41 |         pthread_rwlock_tryrdlock(&rwLock)
   |         `- error: cannot find 'pthread_rwlock_tryrdlock' in scope
42 |     }
43 |
/host/spi-builder-workspace/Sources/RWLock/RWLock.swift:45:9: error: cannot find 'pthread_rwlock_unlock' in scope
43 |
44 |     public func unlock() {
45 |         pthread_rwlock_unlock(&rwLock)
   |         `- error: cannot find 'pthread_rwlock_unlock' in scope
46 |     }
47 |
BUILD FAILURE 6.3 wasm