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Build Information

Failed to build SwiftRL, reference main (f08932), with Swift 6.2 for Wasm on 16 Mar 2026 10:04:22 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/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-6.2-latest swift build --swift-sdk wasm32-unknown-wasip1 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.69.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/SwiftAutograd/SwiftRL.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/SwiftAutograd/SwiftRL
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at f089324 Fix flaky DQN GridWorld test
Cloned https://github.com/SwiftAutograd/SwiftRL.git
Revision (git rev-parse @):
f089324ca3a0ef514676d65e4fa45e03b43df3b3
SUCCESS checkout https://github.com/SwiftAutograd/SwiftRL.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.2
Building package at path:  $PWD
https://github.com/SwiftAutograd/SwiftRL.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasip1 2>&1
wasm-6.2-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:33aba1b4ee401c56e0fd7ee42e05ab1ffc0b6f44277ad19cffda5d456eb09500
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.2-latest
warning: multiple Swift SDKs match target triple `wasm32-unknown-wasip1` and host triple x86_64-unknown-linux-gnu, selected one at /root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/embedded-swift-sdk.json
Fetching https://github.com/SwiftAutograd/SwiftGrad.git
[1/61] Fetching swiftgrad
Fetched https://github.com/SwiftAutograd/SwiftGrad.git from cache (3.22s)
Computing version for https://github.com/SwiftAutograd/SwiftGrad.git
Computed https://github.com/SwiftAutograd/SwiftGrad.git at 0.3.1 (3.90s)
Creating working copy for https://github.com/SwiftAutograd/SwiftGrad.git
Working copy of https://github.com/SwiftAutograd/SwiftGrad.git resolved at 0.3.1
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[4/5] Emitting module SwiftGrad
/host/spi-builder-workspace/.build/checkouts/SwiftGrad/Sources/SwiftGrad/Engine.swift:1:8: error: no such module 'Foundation'
  1 | import Foundation
    |        `- error: no such module 'Foundation'
  2 |
  3 | /// A single scalar value that tracks its computational graph for automatic differentiation.
[5/5] Compiling SwiftGrad Engine.swift
/host/spi-builder-workspace/.build/checkouts/SwiftGrad/Sources/SwiftGrad/Engine.swift:1:8: error: no such module 'Foundation'
  1 | import Foundation
    |        `- error: no such module 'Foundation'
  2 |
  3 | /// A single scalar value that tracks its computational graph for automatic differentiation.
BUILD FAILURE 6.2 wasm