Swift Package Index

Build Information

Failed to build FisherYates, reference 2.0.6 (e729f1), with Swift 6.3 for Wasm on 10 Apr 2026 18:20:44 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/apple/example-package-fisheryates.git
Reference: 2.0.6
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/apple/example-package-fisheryates
 * tag               2.0.6      -> FETCH_HEAD
HEAD is now at e729f19 Make the code more platform independent
Cloned https://github.com/apple/example-package-fisheryates.git
Revision (git rev-parse @):
e729f197bbc3831b9a3005fa71ad6f38c1e7e17e
SUCCESS checkout https://github.com/apple/example-package-fisheryates.git at 2.0.6
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/apple/example-package-fisheryates.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$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
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)
[3/5] Emitting module FisherYates
/host/spi-builder-workspace/Sources/FisherYates/random.swift:34:8: error: unsupported platform
32 |
33 | #else
34 | #error("unsupported platform")
   |        `- error: unsupported platform
35 | #endif
36 |
[4/5] Compiling FisherYates Fisher-Yates_Shuffle.swift
/host/spi-builder-workspace/Sources/FisherYates/random.swift:34:8: error: unsupported platform
32 |
33 | #else
34 | #error("unsupported platform")
   |        `- error: unsupported platform
35 | #endif
36 |
/host/spi-builder-workspace/Sources/FisherYates/Fisher-Yates_Shuffle.swift:25:40: error: cannot find 'random' in scope
23 |
24 |         while n > 1 {
25 |             let j = index(i, offsetBy: random(n))
   |                                        `- error: cannot find 'random' in scope
26 |             swapAt(i, j)
27 |             formIndex(after: &i)
[5/5] Compiling FisherYates random.swift
/host/spi-builder-workspace/Sources/FisherYates/random.swift:34:8: error: unsupported platform
32 |
33 | #else
34 | #error("unsupported platform")
   |        `- error: unsupported platform
35 | #endif
36 |
BUILD FAILURE 6.3 wasm