Swift Package Index

Build Information

Failed to build TypoChecker, reference master (d8fd92), with Swift 6.3 for macOS (SPM) on 11 Apr 2026 12:59:36 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/t-osawa-009/TypoChecker.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/t-osawa-009/TypoChecker
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at d8fd920 Update README.md
Cloned https://github.com/t-osawa-009/TypoChecker.git
Revision (git rev-parse @):
d8fd920373f54a6e649a23cc6093a51db4e53985
SUCCESS checkout https://github.com/t-osawa-009/TypoChecker.git at master
Fetching https://github.com/seznam/swift-uniyaml.git
Fetching https://github.com/JohnSundell/Files.git
[1/213] Fetching swift-uniyaml
[131/1486] Fetching swift-uniyaml, files
Fetched https://github.com/seznam/swift-uniyaml.git from cache (0.84s)
Fetched https://github.com/JohnSundell/Files.git from cache (0.84s)
Computing version for https://github.com/JohnSundell/Files.git
Computed https://github.com/JohnSundell/Files.git at 2.3.0 (3.14s)
Computing version for https://github.com/seznam/swift-uniyaml.git
Computed https://github.com/seznam/swift-uniyaml.git at 0.11.1 (0.66s)
Creating working copy for https://github.com/JohnSundell/Files.git
Working copy of https://github.com/JohnSundell/Files.git resolved at 2.3.0
Creating working copy for https://github.com/seznam/swift-uniyaml.git
Working copy of https://github.com/seznam/swift-uniyaml.git resolved at 0.11.1
========================================
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": "typochecker",
      "name": "TypoChecker",
      "url": "https://github.com/t-osawa-009/TypoChecker.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/TypoChecker",
      "traits": [
        "default"
      ],
      "dependencies": [
        {
          "identity": "swift-uniyaml",
          "name": "UniYAML",
          "url": "https://github.com/seznam/swift-uniyaml.git",
          "version": "0.12.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-uniyaml",
          "traits": [
            "default"
          ],
          "dependencies": [
          ]
        },
        {
          "identity": "files",
          "name": "Files",
          "url": "https://github.com/JohnSundell/Files.git",
          "version": "2.3.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Files",
          "traits": [
            "default"
          ],
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/t-osawa-009/TypoChecker.git
[1/339] Fetching typochecker
Fetched https://github.com/t-osawa-009/TypoChecker.git from cache (0.73s)
Fetching https://github.com/seznam/swift-uniyaml.git from cache
Fetching https://github.com/JohnSundell/Files.git from cache
Fetched https://github.com/seznam/swift-uniyaml.git from cache (0.45s)
Fetched https://github.com/JohnSundell/Files.git from cache (0.45s)
Computing version for https://github.com/JohnSundell/Files.git
Computed https://github.com/JohnSundell/Files.git at 2.3.0 (0.52s)
Computing version for https://github.com/seznam/swift-uniyaml.git
Computed https://github.com/seznam/swift-uniyaml.git at 0.12.0 (2.29s)
Creating working copy for https://github.com/t-osawa-009/TypoChecker.git
Working copy of https://github.com/t-osawa-009/TypoChecker.git resolved at master (d8fd920)
Creating working copy for https://github.com/JohnSundell/Files.git
Working copy of https://github.com/JohnSundell/Files.git resolved at 2.3.0
Creating working copy for https://github.com/seznam/swift-uniyaml.git
Working copy of https://github.com/seznam/swift-uniyaml.git resolved at 0.12.0
Found 2 product dependencies
  - UniYAML
  - Files
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/t-osawa-009/TypoChecker.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/8] Write TypoChecker-entitlement.plist
[0/8] Write sources
[4/8] Write swift-version--6988338F2F200930.txt
[6/14] Compiling UniYAML YAML.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-uniyaml/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
[7/14] Compiling UniYAML Encoder.swift
[8/14] Emitting module UniYAML
[9/14] Compiling UniYAML Decoder.swift
[10/14] Emitting module Files
BUILD FAILURE 6.3 macosSpm