Swift Package Index

Build Information

Failed to build Atomic, reference v1.0.1 (781438), with Swift 6.3 for Linux on 11 Apr 2026 16:00:35 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:basic-6.3-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/shareup/atomic.git
Reference: v1.0.1
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/shareup/atomic
 * tag               v1.0.1     -> FETCH_HEAD
HEAD is now at 7814389 Fix Xcode 11 beta 3 warnings
Cloned https://github.com/shareup/atomic.git
Revision (git rev-parse @):
781438953ec4a7eec7d5467024a6d85423bc97b4
SUCCESS checkout https://github.com/shareup/atomic.git at v1.0.1
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.3
Building package at path:  $PWD
https://github.com/shareup/atomic.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:5a7d791d2ead8a924b1292cb31bf3288eabcfe8880e0b005b00b45b71a5bc36a
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/4] Emitting module Atomic
/host/spi-builder-workspace/Sources/Atomic/Atomic.swift:19:45: error: cannot find type 'os_unfair_lock' in scope
17 |
18 | private final class Lock {
19 |     private var _lock: UnsafeMutablePointer<os_unfair_lock>
   |                                             `- error: cannot find type 'os_unfair_lock' in scope
20 |
21 |     init() {
[4/4] Compiling Atomic Atomic.swift
/host/spi-builder-workspace/Sources/Atomic/Atomic.swift:19:45: error: cannot find type 'os_unfair_lock' in scope
17 |
18 | private final class Lock {
19 |     private var _lock: UnsafeMutablePointer<os_unfair_lock>
   |                                             `- error: cannot find type 'os_unfair_lock' in scope
20 |
21 |     init() {
/host/spi-builder-workspace/Sources/Atomic/Atomic.swift:22:38: error: cannot find type 'os_unfair_lock' in scope
20 |
21 |     init() {
22 |         _lock = UnsafeMutablePointer<os_unfair_lock>.allocate(capacity: 1)
   |                                      `- error: cannot find type 'os_unfair_lock' in scope
23 |         _lock.initialize(to: os_unfair_lock())
24 |     }
/host/spi-builder-workspace/Sources/Atomic/Atomic.swift:23:30: error: cannot find 'os_unfair_lock' in scope
21 |     init() {
22 |         _lock = UnsafeMutablePointer<os_unfair_lock>.allocate(capacity: 1)
23 |         _lock.initialize(to: os_unfair_lock())
   |                              `- error: cannot find 'os_unfair_lock' in scope
24 |     }
25 |
/host/spi-builder-workspace/Sources/Atomic/Atomic.swift:31:9: error: cannot find 'os_unfair_lock_lock' in scope
29 |
30 |     func locked<T>(_ block: () -> T) -> T {
31 |         os_unfair_lock_lock(_lock)
   |         `- error: cannot find 'os_unfair_lock_lock' in scope
32 |         defer { os_unfair_lock_unlock(_lock) }
33 |         return block()
/host/spi-builder-workspace/Sources/Atomic/Atomic.swift:32:17: error: cannot find 'os_unfair_lock_unlock' in scope
30 |     func locked<T>(_ block: () -> T) -> T {
31 |         os_unfair_lock_lock(_lock)
32 |         defer { os_unfair_lock_unlock(_lock) }
   |                 `- error: cannot find 'os_unfair_lock_unlock' in scope
33 |         return block()
34 |     }
BUILD FAILURE 6.3 linux