Swift Package Index

Build Information

Failed to build Threadcrumb, reference main (ccecf7), with Swift 6.3 for Linux on 22 Apr 2026 16:47:56 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/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/naftaly/Threadcrumb.git
Reference: main
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/naftaly/Threadcrumb
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at ccecf78 Perf and tests (#2)
Cloned https://github.com/naftaly/Threadcrumb.git
Revision (git rev-parse @):
ccecf7827dc187015fba150f75597eb788a9a56f
SUCCESS checkout https://github.com/naftaly/Threadcrumb.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.3
Building package at path:  $PWD
https://github.com/naftaly/Threadcrumb.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$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 Threadcrumb
/host/spi-builder-workspace/Sources/Threadcrumb/Threadcrumb.swift:8:8: error: no such module 'os'
  6 |
  7 | import Foundation
  8 | import os
    |        `- error: no such module 'os'
  9 |
 10 | /// A utility that encodes a short identifier into the current thread's call stack so it can be recovered later.
[4/4] Compiling Threadcrumb Threadcrumb.swift
/host/spi-builder-workspace/Sources/Threadcrumb/Threadcrumb.swift:8:8: error: no such module 'os'
  6 |
  7 | import Foundation
  8 | import os
    |        `- error: no such module 'os'
  9 |
 10 | /// A utility that encodes a short identifier into the current thread's call stack so it can be recovered later.
BUILD FAILURE 6.3 linux