Build Information
Failed to build swift-lexer, reference main (76b0fb), with Swift 6.3 for macOS (SPM) on 18 Apr 2026 15:19:31 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64Build 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/Lancelotbronner/swift-lexing.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Lancelotbronner/swift-lexing
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 76b0fb6 Rename macros, start external regex-syntax crate, migrate to Swift Testing
Cloned https://github.com/Lancelotbronner/swift-lexing.git
Revision (git rev-parse @):
76b0fb6dbfc59ce8ade33e759676bd5b060d1836
SUCCESS checkout https://github.com/Lancelotbronner/swift-lexing.git at main
Fetching https://github.com/swiftlang/swift-experimental-string-processing
[1/21234] Fetching swift-experimental-string-processing
Fetched https://github.com/swiftlang/swift-experimental-string-processing from cache (2.01s)
Fetching https://github.com/apple/swift-docc-plugin
Fetching https://github.com/apple/swift-docc-symbolkit
Fetching https://github.com/apple/swift-syntax.git
Fetching https://github.com/apple/swift-collections.git
Fetching https://github.com/apple/swift-argument-parser
[1/2277] Fetching swift-docc-plugin
[229/25846] Fetching swift-docc-plugin, swift-collections
[230/29518] Fetching swift-docc-plugin, swift-collections, swift-docc-symbolkit
[906/47047] Fetching swift-docc-plugin, swift-collections, swift-docc-symbolkit, swift-argument-parser
[11983/122030] Fetching swift-docc-plugin, swift-collections, swift-docc-symbolkit, swift-argument-parser, swift-syntax
Fetched https://github.com/apple/swift-collections.git from cache (2.04s)
Fetched https://github.com/apple/swift-docc-plugin from cache (2.04s)
[32449/96184] Fetching swift-docc-symbolkit, swift-argument-parser, swift-syntax
Fetched https://github.com/apple/swift-syntax.git from cache (7.40s)
Fetched https://github.com/apple/swift-argument-parser from cache (7.40s)
Computing version for https://github.com/apple/swift-argument-parser
Fetched https://github.com/apple/swift-docc-symbolkit from cache (7.40s)
Computed https://github.com/apple/swift-argument-parser at 1.7.0 (8.05s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.3.0 (0.71s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.0.5 (0.72s)
Computing version for https://github.com/apple/swift-syntax.git
Computed https://github.com/apple/swift-syntax.git at 602.0.0 (0.81s)
Computing version for https://github.com/apple/swift-docc-symbolkit
Computed https://github.com/apple/swift-docc-symbolkit at 1.0.0 (0.76s)
Creating working copy for https://github.com/apple/swift-docc-plugin
Working copy of https://github.com/apple/swift-docc-plugin resolved at 1.3.0
Creating working copy for https://github.com/swiftlang/swift-experimental-string-processing
Working copy of https://github.com/swiftlang/swift-experimental-string-processing resolved at swift-6.1.1-RELEASE (3a06996)
Creating working copy for https://github.com/apple/swift-syntax.git
Working copy of https://github.com/apple/swift-syntax.git resolved at 602.0.0
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.0.5
Creating working copy for https://github.com/apple/swift-docc-symbolkit
Working copy of https://github.com/apple/swift-docc-symbolkit resolved at 1.0.0
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.7.0
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/602.0.0/swiftlang-6.3.0.123.5-macosx26.4-MacroSupport.zip
Downloaded https://download.swift.org/prebuilts/swift-syntax/602.0.0/swiftlang-6.3.0.123.5-macosx26.4-MacroSupport.zip (0.29s)
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
"identity": ".resolve-product-dependencies",
"name": "resolve-dependencies",
"url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
"traits": [
"default"
],
"dependencies": [
{
"identity": "swift-lexing",
"name": "swift-lexer",
"url": "https://github.com/Lancelotbronner/swift-lexing.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-lexing",
"traits": [
"default"
],
"dependencies": [
{
"identity": "swift-collections",
"name": "swift-collections",
"url": "https://github.com/apple/swift-collections.git",
"version": "1.4.1",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-collections",
"traits": [
],
"dependencies": [
]
},
{
"identity": "swift-experimental-string-processing",
"name": "swift-experimental-string-processing",
"url": "https://github.com/swiftlang/swift-experimental-string-processing",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-experimental-string-processing",
"traits": [
"default"
],
"dependencies": [
{
"identity": "swift-argument-parser",
"name": "swift-argument-parser",
"url": "https://github.com/apple/swift-argument-parser",
"version": "1.7.1",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-argument-parser",
"traits": [
"default"
],
"dependencies": [
]
}
]
}
]
}
]
}
Fetching https://github.com/Lancelotbronner/swift-lexing.git
[1/1053] Fetching swift-lexing
Fetched https://github.com/Lancelotbronner/swift-lexing.git from cache (1.00s)
Fetching https://github.com/swiftlang/swift-experimental-string-processing from cache
Fetched https://github.com/swiftlang/swift-experimental-string-processing from cache (0.67s)
Fetching https://github.com/apple/swift-syntax.git from cache
Fetching https://github.com/apple/swift-collections.git from cache
Fetching https://github.com/apple/swift-argument-parser from cache
Fetched https://github.com/apple/swift-syntax.git from cache (0.92s)
Fetched https://github.com/apple/swift-argument-parser from cache (0.92s)
Fetched https://github.com/apple/swift-collections.git from cache (0.92s)
Computing version for https://github.com/apple/swift-syntax.git
Computed https://github.com/apple/swift-syntax.git at 602.0.0 (1.01s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.4.1 (0.72s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.7.1 (0.73s)
Creating working copy for https://github.com/apple/swift-syntax.git
Working copy of https://github.com/apple/swift-syntax.git resolved at 602.0.0
Creating working copy for https://github.com/Lancelotbronner/swift-lexing.git
Working copy of https://github.com/Lancelotbronner/swift-lexing.git resolved at main (76b0fb6)
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.4.1
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/swiftlang/swift-experimental-string-processing
Working copy of https://github.com/swiftlang/swift-experimental-string-processing resolved at swift-6.1.1-RELEASE (3a06996)
warning: '.resolve-product-dependencies': dependency 'swift-lexing' is not used by any target
Found 2 product dependencies
- swift-collections
- swift-experimental-string-processing
========================================
Build
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Selected platform: macosSpm
Swift version: 6.3
Building package at path: $PWD
https://github.com/Lancelotbronner/swift-lexing.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
error: 'spi-builder-workspace': product 'ContainersPreview' required by package 'spi-builder-workspace' target 'RegexSyntax' not found in package 'swift-collections'.
BUILD FAILURE 6.3 macosSpm