Swift Package IndexBuild Information
Failed to build UniYAML, reference 0.12.0 (1628bc), with Swift 6.3 for Android on 10 Apr 2026 17:29:44 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/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:android-6.3-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1Build Log
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RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/seznam/swift-uniyaml.git
Reference: 0.12.0
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/seznam/swift-uniyaml
* tag 0.12.0 -> FETCH_HEAD
HEAD is now at 1628bc6 Update README.md.
Cloned https://github.com/seznam/swift-uniyaml.git
Revision (git rev-parse @):
1628bc64f558f0f43c3126c5da1b5e99ecebd129
SUCCESS checkout https://github.com/seznam/swift-uniyaml.git at 0.12.0
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Build
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Selected platform: android
Swift version: 6.3
Building package at path: $PWD
https://github.com/seznam/swift-uniyaml.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:android-6.3-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1
android-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:9008270ea37a55e78725e6225015adb5eff8582da520c5232bf0499f32c36dc4
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:android-6.3-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version--4F562202D5529B1.txt
[3/6] Compiling UniYAML YAML.swift
/host/spi-builder-workspace/Sources/UniYAML/YAML.swift:218:12: error: cannot assign to property: 'key' is a 'let' constant
34 | let indent: Int
35 | var type: YAMLType
36 | let key: String?
| `- note: change 'let' to 'var' to make it mutable
37 | let tag: String?
38 | var value: Any?
:
216 | return nil
217 | }
218 | obj[k]!.key = k
| `- error: cannot assign to property: 'key' is a 'let' constant
219 | }
220 | indent = 0
[4/6] Compiling UniYAML Encoder.swift
[5/6] Emitting module UniYAML
[6/6] Compiling UniYAML Decoder.swift
/host/spi-builder-workspace/Sources/UniYAML/Decoder.swift:58:9: warning: variable 'anchor' was written to, but never read
56 | }
57 | var key: String?
58 | var anchor: String?
| `- warning: variable 'anchor' was written to, but never read
59 | var tag: String?
60 | var value: String?
BUILD FAILURE 6.3 android