Swift Package Index

Build Information

Failed to build ElementaryCycles, reference 0.4.0 (824a7d), with Swift 6.3 for Android on 22 Apr 2026 09:40:29 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/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

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/hectr/swift-elementary-cycles.git
Reference: 0.4.0
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/hectr/swift-elementary-cycles
 * tag               0.4.0      -> FETCH_HEAD
HEAD is now at 824a7d8 Release 0.4.0
Cloned https://github.com/hectr/swift-elementary-cycles.git
Revision (git rev-parse @):
824a7d8c9beff5bb4ce81ce65877e63c1bb85fac
SUCCESS checkout https://github.com/hectr/swift-elementary-cycles.git at 0.4.0
========================================
Build
========================================
Selected platform:         android
Swift version:             6.3
Building package at path:  $PWD
https://github.com/hectr/swift-elementary-cycles.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$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
Fetching https://github.com/hectr/swift-idioms.git
[1/393] Fetching swift-idioms
Fetched https://github.com/hectr/swift-idioms.git from cache (0.44s)
Computing version for https://github.com/hectr/swift-idioms.git
Computed https://github.com/hectr/swift-idioms.git at 1.9.0 (1.13s)
Creating working copy for https://github.com/hectr/swift-idioms.git
Working copy of https://github.com/hectr/swift-idioms.git resolved at 1.9.0
Building for debugging...
[0/10] Write sources
[4/10] Write swift-version--4F562202D5529B1.txt
[6/27] Emitting module Idioms
[7/29] Compiling Idioms Vector+Sequence.swift
[8/29] Compiling Idioms Vector.swift
[9/29] Compiling Idioms Array+appending.swift
[10/29] Compiling Idioms Array+removing.swift
[11/29] Compiling Idioms Bool+ControlFlow.swift
[12/29] Compiling Idioms String+removing.swift
[13/29] Compiling Idioms StringProtocol+Subscript.swift
[14/29] Compiling Idioms RandomAccessMutableCollection.swift
[15/29] Compiling Idioms RegularExpressionMatchOperator.swift
[16/29] Compiling Idioms String+Prepending.swift
[17/29] Compiling Idioms String+Word.swift
[18/29] Compiling Idioms Matrix2D+Sequence.swift
[19/29] Compiling Idioms Matrix2D.swift
[20/29] Compiling Idioms Int+Times.swift
[21/29] Compiling Idioms IterableRandomAccessCollection.swift
[22/29] Compiling Idioms CharacterSet+characters.swift
/host/spi-builder-workspace/.build/checkouts/swift-idioms/Sources/Idioms/CharacterSet+characters.swift:30:20: error: cannot find type 'UTF32Char' in scope
28 |             let p0 = UInt32(plane) << 16
29 |             let p1 = (UInt32(plane) + 1) << 16
30 |             for c: UTF32Char in p0..<p1 {
   |                    `- error: cannot find type 'UTF32Char' in scope
31 |                 guard let scalar = UnicodeScalar(c) else { continue }
32 |                 guard contains(scalar) else { continue }
[23/29] Compiling Idioms Dictionary+deepMerging.swift
/host/spi-builder-workspace/.build/checkouts/swift-idioms/Sources/Idioms/CharacterSet+characters.swift:30:20: error: cannot find type 'UTF32Char' in scope
28 |             let p0 = UInt32(plane) << 16
29 |             let p1 = (UInt32(plane) + 1) << 16
30 |             for c: UTF32Char in p0..<p1 {
   |                    `- error: cannot find type 'UTF32Char' in scope
31 |                 guard let scalar = UnicodeScalar(c) else { continue }
32 |                 guard contains(scalar) else { continue }
[24/29] Compiling Idioms ForLoop.swift
/host/spi-builder-workspace/.build/checkouts/swift-idioms/Sources/Idioms/CharacterSet+characters.swift:30:20: error: cannot find type 'UTF32Char' in scope
28 |             let p0 = UInt32(plane) << 16
29 |             let p1 = (UInt32(plane) + 1) << 16
30 |             for c: UTF32Char in p0..<p1 {
   |                    `- error: cannot find type 'UTF32Char' in scope
31 |                 guard let scalar = UnicodeScalar(c) else { continue }
32 |                 guard contains(scalar) else { continue }
BUILD FAILURE 6.3 android