Swift Package IndexBuild Information
Failed to build ReadingTime, reference main (5628a8), with Swift 6.3 for Android on 13 Apr 2026 12:23:28 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>&1Build Log
========================================
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/polpielladev/reading-time.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/polpielladev/reading-time
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 5628a8d Finishes release workflow
Cloned https://github.com/polpielladev/reading-time.git
Revision (git rev-parse @):
5628a8d6ef39bb9e9f2c739fa70b684a7e5e4756
SUCCESS checkout https://github.com/polpielladev/reading-time.git at main
========================================
Build
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Selected platform: android
Swift version: 6.3
Building package at path: $PWD
https://github.com/polpielladev/reading-time.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$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/apple/swift-markdown.git
[1/7235] Fetching swift-markdown
Fetched https://github.com/apple/swift-markdown.git from cache (0.96s)
Fetching https://github.com/swiftlang/swift-cmark.git
[1/18374] Fetching swift-cmark
Fetched https://github.com/swiftlang/swift-cmark.git from cache (2.06s)
Fetching https://github.com/apple/swift-argument-parser
[1/17523] Fetching swift-argument-parser
Fetched https://github.com/apple/swift-argument-parser from cache (1.41s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.7.1 (2.24s)
Creating working copy for https://github.com/swiftlang/swift-cmark.git
Working copy of https://github.com/swiftlang/swift-cmark.git resolved at gfm (924936d)
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.7.1
Creating working copy for https://github.com/apple/swift-markdown.git
Working copy of https://github.com/apple/swift-markdown.git resolved at main (55d66d9)
[1/1] Compiling plugin GenerateManual
[2/2] Compiling plugin GenerateDoccReference
Building for debugging...
[2/50] Write sources
[6/50] Compiling cmark-gfm-extensions tagfilter.c
[7/50] Compiling cmark-gfm-extensions strikethrough.c
[8/50] Compiling cmark-gfm-extensions ext_scanners.c
[8/50] Compiling cmark-gfm-extensions tasklist.c
[10/50] Write swift-version--4F562202D5529B1.txt
[11/50] Compiling cmark-gfm-extensions core-extensions.c
[12/50] Compiling cmark-gfm-extensions table.c
[13/50] Compiling cmark-gfm-extensions autolink.c
[14/50] Compiling cmark-gfm xml.c
[15/50] Compiling cmark-gfm syntax_extension.c
[16/50] Compiling cmark-gfm registry.c
[17/50] Compiling cmark-gfm render.c
[18/50] Compiling cmark-gfm plugin.c
[19/50] Compiling cmark-gfm references.c
[20/50] Compiling cmark-gfm linked_list.c
[21/50] Compiling cmark-gfm map.c
[22/50] Compiling cmark-gfm plaintext.c
[23/50] Compiling cmark-gfm man.c
[24/50] Compiling cmark-gfm node.c
[25/50] Compiling cmark-gfm utf8.c
[26/50] Compiling cmark-gfm iterator.c
[27/50] Compiling cmark-gfm houdini_html_e.c
[28/50] Compiling cmark-gfm latex.c
[29/50] Compiling cmark-gfm houdini_href_e.c
[30/50] Compiling cmark-gfm footnotes.c
[31/50] Compiling cmark-gfm html.c
[32/50] Compiling cmark-gfm cmark_ctype.c
[33/50] Compiling cmark-gfm houdini_html_u.c
[34/50] Compiling cmark-gfm buffer.c
[35/50] Compiling CAtomic CAtomic.c
[36/50] Compiling cmark-gfm cmark.c
[37/50] Compiling cmark-gfm commonmark.c
[38/50] Compiling cmark-gfm arena.c
[39/50] Compiling cmark-gfm inlines.c
[40/50] Write sources
[41/50] Compiling cmark-gfm blocks.c
[42/50] Compiling cmark-gfm scanners.c
[44/115] Emitting module ArgumentParserToolInfo
[45/115] Compiling Markdown BasicBlockContainer.swift
[46/115] Compiling Markdown BasicInlineContainer.swift
[47/115] Compiling Markdown BlockContainer.swift
[48/115] Compiling Markdown BlockMarkup.swift
[49/115] Compiling Markdown InlineContainer.swift
[50/115] Compiling Markdown InlineMarkup.swift
[51/115] Compiling Markdown ListItemContainer.swift
[52/115] Compiling Markdown AtomicCounter.swift
[53/123] Emitting module Markdown
[54/123] Compiling ArgumentParserToolInfo ToolInfo.swift
[55/124] Wrapping AST for ArgumentParserToolInfo for debugging
[57/170] Emitting module ArgumentParser
[58/176] Compiling ArgumentParser InputOrigin.swift
[59/176] Compiling ArgumentParser Name.swift
[60/176] Compiling ArgumentParser Parsed.swift
[61/176] Compiling ArgumentParser ParsedValues.swift
[62/176] Compiling ArgumentParser ParserError.swift
[63/176] Compiling ArgumentParser SplitArguments.swift
[64/176] Compiling ArgumentParser ParentCommand.swift
[65/176] Compiling ArgumentParser AsyncParsableCommand.swift
[66/176] Compiling ArgumentParser CommandConfiguration.swift
[67/176] Compiling ArgumentParser CommandGroup.swift
[68/176] Compiling ArgumentParser EnumerableFlag.swift
[69/176] Compiling ArgumentParser ExpressibleByArgument.swift
[70/176] Compiling ArgumentParser ParsableArguments.swift
[71/176] Compiling ArgumentParser DumpHelpGenerator.swift
[72/176] Compiling ArgumentParser HelpCommand.swift
[73/176] Compiling ArgumentParser HelpGenerator.swift
[74/176] Compiling ArgumentParser MessageInfo.swift
[75/176] Compiling ArgumentParser UsageGenerator.swift
[76/176] Compiling ArgumentParser CollectionExtensions.swift
[77/176] Compiling ArgumentParser BashCompletionsGenerator.swift
[78/176] Compiling ArgumentParser CompletionsGenerator.swift
[79/176] Compiling ArgumentParser FishCompletionsGenerator.swift
[80/176] Compiling ArgumentParser ZshCompletionsGenerator.swift
[81/176] Compiling ArgumentParser Argument.swift
[82/176] Compiling ArgumentParser ArgumentDiscussion.swift
[83/176] Compiling ArgumentParser ArgumentHelp.swift
[84/176] Compiling ArgumentParser Tree.swift
[85/176] Compiling ArgumentParser CodingKeyValidator.swift
[86/176] Compiling ArgumentParser NonsenseFlagsValidator.swift
[87/176] Compiling ArgumentParser ParsableArgumentsValidation.swift
[88/176] Compiling ArgumentParser PositionalArgumentsValidator.swift
[89/176] Compiling ArgumentParser UniqueNamesValidator.swift
[90/176] Compiling ArgumentParser Foundation.swift
[91/176] Compiling ArgumentParser Mutex.swift
[92/176] Compiling ArgumentParser Platform.swift
[93/176] Compiling ArgumentParser SequenceExtensions.swift
[94/176] Compiling ArgumentParser StringExtensions.swift
[95/176] Compiling ArgumentParser SwiftExtensions.swift
[112/176] Compiling Markdown SoftBreak.swift
[113/176] Compiling Markdown SymbolLink.swift
[114/176] Compiling Markdown TableCell.swift
[115/176] Compiling Markdown TableCellContainer.swift
[116/176] Compiling Markdown TableHead.swift
[117/176] Compiling Markdown TableRow.swift
[118/176] Compiling Markdown Replacement.swift
[119/176] Compiling Markdown SourceLocation.swift
[120/176] Compiling Markdown Emphasis.swift
[121/176] Compiling Markdown Image.swift
[122/176] Compiling Markdown InlineAttributes.swift
[130/176] Compiling ArgumentParser ArgumentVisibility.swift
[131/176] Compiling ArgumentParser CompletionKind.swift
[132/176] Compiling ArgumentParser Errors.swift
[133/176] Compiling ArgumentParser Flag.swift
[134/176] Compiling ArgumentParser NameSpecification.swift
[135/176] Compiling ArgumentParser Option.swift
[136/176] Compiling ArgumentParser OptionGroup.swift
[137/176] Compiling ArgumentParser ParsableCommand.swift
[138/176] Compiling ArgumentParser ArgumentDecoder.swift
[139/176] Compiling ArgumentParser ArgumentDefinition.swift
[140/176] Compiling ArgumentParser ArgumentSet.swift
[141/176] Compiling Markdown CharacterExtensions.swift
[142/176] Compiling Markdown CollectionExtensions.swift
[143/176] Compiling Markdown StringExtensions.swift
[144/176] Compiling Markdown MarkupVisitor.swift
[145/176] Compiling Markdown MarkupWalker.swift
[146/176] Compiling Markdown HTMLFormatter.swift
[147/176] Compiling Markdown MarkupFormatter.swift
[148/176] Compiling Markdown MarkupTreeDumper.swift
[149/176] Compiling ArgumentParser CommandParser.swift
[150/176] Compiling ArgumentParser InputKey.swift
[172/178] Wrapping AST for ArgumentParser for debugging
[173/178] Wrapping AST for Markdown for debugging
[175/181] Emitting module ReadingTime
[176/181] Compiling ReadingTime MarkdownRewriter.swift
[177/181] Compiling ReadingTime ReadingTime.swift
/host/spi-builder-workspace/Sources/ReadingTime/ReadingTime.swift:37:58: error: 'byWords' is unavailable: Enumeration by words isn't supported in swift-corelibs-foundation
35 | var count = 0
36 | let range = string.startIndex..<string.endIndex
37 | string.enumerateSubstrings(in: range, options: [.byWords, .substringNotRequired, .localized], { _, _, _, _ -> () in
| `- error: 'byWords' is unavailable: Enumeration by words isn't supported in swift-corelibs-foundation
38 | count += 1
39 | })
Foundation.NSString.EnumerationOptions.byWords:4:23: note: 'byWords' has been explicitly marked unavailable here
2 | struct EnumerationOptions {
3 | @available(*, unavailable, message: "Enumeration by words isn't supported in swift-corelibs-foundation")
4 | public static let byWords: NSString.EnumerationOptions }
| `- note: 'byWords' has been explicitly marked unavailable here
5 | }
6 |
BUILD FAILURE 6.3 android