Swift Package Index

Build Information

Failed to build NCCCoding, reference master (0f663c), with Swift 6.3 for Wasm on 14 Oct 2026 01:50:54 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344845-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3.2-RELEASE_wasm 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/drewster99/NCCCoding.git
Reference: master
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/drewster99/NCCCoding
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 0f663c7 1.1.0: public Codable helpers, LocalizedError, MIT license
Cloned https://github.com/drewster99/NCCCoding.git
Revision (git rev-parse @):
0f663c79af2d8b068f50290e1d69f2923f3efeca
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/drewster99/NCCCoding.git at master
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/drewster99/NCCCoding.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344845-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3.2-RELEASE_wasm 2>&1
wasm-6.3-latest: Pulling from saguaro1/spi-images
Digest: sha256:df2e9038ff906af397ec7b7e13902ccb183f8867606bc33419e44453a9abdb4b
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.3-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/4] Emitting module NCCCoding
[4/4] Compiling NCCCoding NCCCoding.swift
/host/spi-builder-workspace/Sources/NCCCoding/NCCCoding.swift:187:47: error: 'atomic' is unavailable: atomic writing is unavailable in WASI because temporary files are not supported
185 |         do {
186 |             let data = try encoder.encode(value)
187 |             try data.write(to: url, options: .atomic)
    |                                               `- error: 'atomic' is unavailable: atomic writing is unavailable in WASI because temporary files are not supported
188 |             return nil
189 |         } catch {
FoundationEssentials.Data.WritingOptions.atomic:4:23: note: 'atomic' has been explicitly marked unavailable here
2 |   struct WritingOptions {
3 | @available(*, unavailable, message: "atomic writing is unavailable in WASI because temporary files are not supported")
4 |     public static let atomic: Data.WritingOptions  }
  |                       `- note: 'atomic' has been explicitly marked unavailable here
5 | }
6 |
BUILD FAILURE 6.3 wasm