The Swift Package Index logo.Swift Package Index

Has it really been five years since Swift Package Index launched? Read our anniversary blog post!

Build Information

Failed to build swift-tools-support-core, reference 0.7.3 (e8fbc8), with Swift 6.2 (beta) for Wasm on 23 Jun 2025 22:35:25 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.64.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/swiftlang/swift-tools-support-core.git
Reference: 0.7.3
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/swiftlang/swift-tools-support-core
 * tag               0.7.3      -> FETCH_HEAD
HEAD is now at e8fbc8b Fix an issue where process handles are leaked in exec on Windows
Cloned https://github.com/swiftlang/swift-tools-support-core.git
Revision (git rev-parse @):
e8fbc8b05a155f311b862178d92d043afb216fe3
SUCCESS checkout https://github.com/swiftlang/swift-tools-support-core.git at 0.7.3
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.2
Building package at path:  $PWD
https://github.com/swiftlang/swift-tools-support-core.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1
wasm-6.2-latest: Pulling from finestructure/spi-images
Digest: sha256:44384f43f933eaa0f42803e9ef7c3d8388c5841ccc831a15a5edf63d8c273423
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.2-latest
Building for debugging...
[0/13] Write sources
[4/13] Compiling TSCclibc libc.c
[5/13] Compiling TSCclibc process.c
[6/13] Compiling TSCclibc strerror.c
[6/13] Write swift-version-24593BA9C3E375BF.txt
[9/15] Compiling TSCLibc libc.swift
/host/spi-builder-workspace/Sources/TSCLibc/libc.swift:21:19: error: no such module 'Darwin.C'
 19 | @_exported import Android
 20 | #else
 21 | @_exported import Darwin.C
    |                   `- error: no such module 'Darwin.C'
 22 | #endif
 23 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[10/15] Emitting module TSCLibc
/host/spi-builder-workspace/Sources/TSCLibc/libc.swift:21:19: error: no such module 'Darwin.C'
 19 | @_exported import Android
 20 | #else
 21 | @_exported import Darwin.C
    |                   `- error: no such module 'Darwin.C'
 22 | #endif
 23 |
BUILD FAILURE 6.2 wasm