Swift Package Index

Build Information

Failed to build Chain, reference 0.3.0 (e693d4), with Swift 6.3 for Wasm on 12 Apr 2026 13:08:57 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/0xLet/Chain.git
Reference: 0.3.0
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/0xLet/Chain
 * tag               0.3.0      -> FETCH_HEAD
HEAD is now at e693d4d Merge pull request #5 from 0xLeif/develop
Cloned https://github.com/0xLet/Chain.git
Revision (git rev-parse @):
e693d4dcc8b21910299c076346f62d4de80a4aa8
SUCCESS checkout https://github.com/0xLet/Chain.git at 0.3.0
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/0xLet/Chain.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$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
Fetching https://github.com/0xLeif/E.num
[1/130] Fetching e.num
Fetched https://github.com/0xLeif/E.num from cache (0.36s)
Computing version for https://github.com/0xLeif/E.num
Computed https://github.com/0xLeif/E.num at 0.3.0 (0.99s)
Creating working copy for https://github.com/0xLeif/E.num
Working copy of https://github.com/0xLeif/E.num resolved at 0.3.0
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version-24593BA9C3E375BF.txt
[4/8] Compiling E Function.swift
[5/8] Compiling E State.swift
[6/8] Compiling E Control.swift
[7/8] Emitting module E
[8/8] Compiling E Variable.swift
[10/11] Emitting module Chain
[11/11] Compiling Chain Chain.swift
/host/spi-builder-workspace/Sources/Chain/Chain.swift:44:13: error: cannot find 'DispatchQueue' in scope
 42 |         case .background(let action,
 43 |                          let next):
 44 |             DispatchQueue.global().async {
    |             `- error: cannot find 'DispatchQueue' in scope
 45 |                 let actionOutput: Variable = action.run(input) ?? Variable.void
 46 |
/host/spi-builder-workspace/Sources/Chain/Chain.swift:47:17: error: cannot find 'DispatchQueue' in scope
 45 |                 let actionOutput: Variable = action.run(input) ?? Variable.void
 46 |
 47 |                 DispatchQueue.main.async {
    |                 `- error: cannot find 'DispatchQueue' in scope
 48 |                     _ = next.run(name: name,
 49 |                                  input: actionOutput,
BUILD FAILURE 6.3 wasm