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Build Information

Failed to build UnifiedLogHandler, reference master (7b4bfa), with Swift 6.3 for macOS (SPM) on 10 Apr 2026 17:53:44 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/gonzalezreal/UnifiedLogging.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/gonzalezreal/UnifiedLogging
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 7b4bfa2 Add LICENSE
Cloned https://github.com/gonzalezreal/UnifiedLogging.git
Revision (git rev-parse @):
7b4bfa24ba7af8ff819d777cf7acc22450ca68b6
SUCCESS checkout https://github.com/gonzalezreal/UnifiedLogging.git at master
Fetching https://github.com/apple/swift-log
[1/6521] Fetching swift-log
Fetched https://github.com/apple/swift-log from cache (1.35s)
Computing version for https://github.com/apple/swift-log
Computed https://github.com/apple/swift-log at 1.2.0 (2.00s)
Creating working copy for https://github.com/apple/swift-log
Working copy of https://github.com/apple/swift-log resolved at 1.2.0
========================================
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": "unifiedlogging",
      "name": "UnifiedLogHandler",
      "url": "https://github.com/gonzalezreal/UnifiedLogging.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/UnifiedLogging",
      "traits": [
        "default"
      ],
      "dependencies": [
        {
          "identity": "swift-log",
          "name": "swift-log",
          "url": "https://github.com/apple/swift-log",
          "version": "1.11.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-log",
          "traits": [
          ],
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/gonzalezreal/UnifiedLogging.git
[1/28] Fetching unifiedlogging
Fetched https://github.com/gonzalezreal/UnifiedLogging.git from cache (0.63s)
Fetching https://github.com/apple/swift-log from cache
Fetched https://github.com/apple/swift-log from cache (0.55s)
Computing version for https://github.com/apple/swift-log
Computed https://github.com/apple/swift-log at 1.11.0 (1.14s)
Creating working copy for https://github.com/apple/swift-log
Working copy of https://github.com/apple/swift-log resolved at 1.11.0
Creating working copy for https://github.com/gonzalezreal/UnifiedLogging.git
Working copy of https://github.com/gonzalezreal/UnifiedLogging.git resolved at master (7b4bfa2)
warning: '.resolve-product-dependencies': dependency 'unifiedlogging' is not used by any target
Found 1 product dependencies
  - swift-log
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/gonzalezreal/UnifiedLogging.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version--6988338F2F200930.txt
[4/7] Compiling Logging Locks.swift
[5/7] Compiling Logging LogHandler.swift
[6/7] Emitting module Logging
[7/7] Compiling Logging Logging.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[8/10] Emitting module UnifiedLogHandler
/Users/admin/builder/spi-builder-workspace/Sources/UnifiedLogHandler/UnifiedLogHandler.swift:6:26: error: 'Logger' is ambiguous for type lookup in this context
 4 |
 5 | public struct UnifiedLogHandler: LogHandler {
 6 |     public var metadata: Logger.Metadata {
   |                          `- error: 'Logger' is ambiguous for type lookup in this context
 7 |         get { formatter.metadata }
 8 |         set { formatter.metadata = newValue }
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-log/Sources/Logging/Logging.swift:28:15: note: found this candidate
 26 | ///     logger.info("Hello World!")
 27 | ///
 28 | public struct Logger {
    |               `- note: found this candidate
 29 |     @usableFromInline
 30 |     var handler: LogHandler
os.Logger:2:15: note: found this candidate
 1 | @available(macOS 11.0, iOS 14.0, watchOS 7.0, tvOS 14.0, *)
 2 | public struct Logger : @unchecked Sendable {
   |               `- note: found this candidate
 3 |     public static var disabled: Logger { get }
 4 |     public init(subsystem: String, category: String)
/Users/admin/builder/spi-builder-workspace/Sources/UnifiedLogHandler/UnifiedLogHandler.swift:11:26: error: 'Logger' is ambiguous for type lookup in this context
 9 |     }
10 |
11 |     public var logLevel: Logger.Level = .info
   |                          `- error: 'Logger' is ambiguous for type lookup in this context
12 |
13 |     private let log: OSLog
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-log/Sources/Logging/Logging.swift:28:15: note: found this candidate
 26 | ///     logger.info("Hello World!")
 27 | ///
 28 | public struct Logger {
    |               `- note: found this candidate
 29 |     @usableFromInline
 30 |     var handler: LogHandler
os.Logger:2:15: note: found this candidate
 1 | @available(macOS 11.0, iOS 14.0, watchOS 7.0, tvOS 14.0, *)
 2 | public struct Logger : @unchecked Sendable {
   |               `- note: found this candidate
 3 |     public static var disabled: Logger { get }
 4 |     public init(subsystem: String, category: String)
/Users/admin/builder/spi-builder-workspace/Sources/UnifiedLogHandler/UnifiedLogHandler.swift:20:50: error: 'Logger' is ambiguous for type lookup in this context
18 |     }
19 |
20 |     public subscript(metadataKey key: String) -> Logger.Metadata.Value? {
   |                                                  `- error: 'Logger' is ambiguous for type lookup in this context
21 |         get { formatter.metadata[key] }
22 |         set { formatter.metadata[key] = newValue }
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-log/Sources/Logging/Logging.swift:28:15: note: found this candidate
 26 | ///     logger.info("Hello World!")
 27 | ///
 28 | public struct Logger {
    |               `- note: found this candidate
 29 |     @usableFromInline
 30 |     var handler: LogHandler
os.Logger:2:15: note: found this candidate
 1 | @available(macOS 11.0, iOS 14.0, watchOS 7.0, tvOS 14.0, *)
 2 | public struct Logger : @unchecked Sendable {
   |               `- note: found this candidate
 3 |     public static var disabled: Logger { get }
 4 |     public init(subsystem: String, category: String)
/Users/admin/builder/spi-builder-workspace/Sources/UnifiedLogHandler/UnifiedLogHandler.swift:25:28: error: 'Logger' is ambiguous for type lookup in this context
23 |     }
24 |
25 |     public func log(level: Logger.Level, message: Logger.Message, metadata: Logger.Metadata?, file _: String, function _: String, line _: UInt) {
   |                            `- error: 'Logger' is ambiguous for type lookup in this context
26 |         os_log("%{PUBLIC}@", log: log, type: OSLogType(logLevel: level), formatter.format(message: message, metadata: metadata))
27 |     }
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-log/Sources/Logging/Logging.swift:28:15: note: found this candidate
 26 | ///     logger.info("Hello World!")
 27 | ///
 28 | public struct Logger {
    |               `- note: found this candidate
 29 |     @usableFromInline
 30 |     var handler: LogHandler
os.Logger:2:15: note: found this candidate
 1 | @available(macOS 11.0, iOS 14.0, watchOS 7.0, tvOS 14.0, *)
 2 | public struct Logger : @unchecked Sendable {
   |               `- note: found this candidate
 3 |     public static var disabled: Logger { get }
 4 |     public init(subsystem: String, category: String)
/Users/admin/builder/spi-builder-workspace/Sources/UnifiedLogHandler/UnifiedLogHandler.swift:25:51: error: 'Logger' is ambiguous for type lookup in this context
23 |     }
24 |
25 |     public func log(level: Logger.Level, message: Logger.Message, metadata: Logger.Metadata?, file _: String, function _: String, line _: UInt) {
   |                                                   `- error: 'Logger' is ambiguous for type lookup in this context
26 |         os_log("%{PUBLIC}@", log: log, type: OSLogType(logLevel: level), formatter.format(message: message, metadata: metadata))
27 |     }
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-log/Sources/Logging/Logging.swift:28:15: note: found this candidate
 26 | ///     logger.info("Hello World!")
 27 | ///
 28 | public struct Logger {
    |               `- note: found this candidate
 29 |     @usableFromInline
 30 |     var handler: LogHandler
os.Logger:2:15: note: found this candidate
 1 | @available(macOS 11.0, iOS 14.0, watchOS 7.0, tvOS 14.0, *)
 2 | public struct Logger : @unchecked Sendable {
   |               `- note: found this candidate
 3 |     public static var disabled: Logger { get }
 4 |     public init(subsystem: String, category: String)
/Users/admin/builder/spi-builder-workspace/Sources/UnifiedLogHandler/UnifiedLogHandler.swift:25:77: error: 'Logger' is ambiguous for type lookup in this context
23 |     }
24 |
25 |     public func log(level: Logger.Level, message: Logger.Message, metadata: Logger.Metadata?, file _: String, function _: String, line _: UInt) {
   |                                                                             `- error: 'Logger' is ambiguous for type lookup in this context
26 |         os_log("%{PUBLIC}@", log: log, type: OSLogType(logLevel: level), formatter.format(message: message, metadata: metadata))
27 |     }
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-log/Sources/Logging/Logging.swift:28:15: note: found this candidate
 26 | ///     logger.info("Hello World!")
 27 | ///
 28 | public struct Logger {
    |               `- note: found this candidate
 29 |     @usableFromInline
 30 |     var handler: LogHandler
os.Logger:2:15: note: found this candidate
 1 | @available(macOS 11.0, iOS 14.0, watchOS 7.0, tvOS 14.0, *)
 2 | public struct Logger : @unchecked Sendable {
   |               `- note: found this candidate
 3 |     public static var disabled: Logger { get }
 4 |     public init(subsystem: String, category: String)
/Users/admin/builder/spi-builder-workspace/Sources/UnifiedLogHandler/UnifiedLogHandler.swift:31:20: error: 'Logger' is ambiguous for type lookup in this context
29 |
30 | private extension OSLogType {
31 |     init(logLevel: Logger.Level) {
   |                    `- error: 'Logger' is ambiguous for type lookup in this context
32 |         switch logLevel {
33 |         case .trace, .debug:
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-log/Sources/Logging/Logging.swift:28:15: note: found this candidate
 26 | ///     logger.info("Hello World!")
 27 | ///
 28 | public struct Logger {
    |               `- note: found this candidate
 29 |     @usableFromInline
 30 |     var handler: LogHandler
os.Logger:2:15: note: found this candidate
 1 | @available(macOS 11.0, iOS 14.0, watchOS 7.0, tvOS 14.0, *)
 2 | public struct Logger : @unchecked Sendable {
   |               `- note: found this candidate
 3 |     public static var disabled: Logger { get }
 4 |     public init(subsystem: String, category: String)
[9/10] Compiling UnifiedLogHandler LogFormatter.swift
[10/10] Compiling UnifiedLogHandler UnifiedLogHandler.swift
/Users/admin/builder/spi-builder-workspace/Sources/UnifiedLogHandler/UnifiedLogHandler.swift:6:26: error: 'Logger' is ambiguous for type lookup in this context
 4 |
 5 | public struct UnifiedLogHandler: LogHandler {
 6 |     public var metadata: Logger.Metadata {
   |                          `- error: 'Logger' is ambiguous for type lookup in this context
 7 |         get { formatter.metadata }
 8 |         set { formatter.metadata = newValue }
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-log/Sources/Logging/Logging.swift:28:15: note: found this candidate
 26 | ///     logger.info("Hello World!")
 27 | ///
 28 | public struct Logger {
    |               `- note: found this candidate
 29 |     @usableFromInline
 30 |     var handler: LogHandler
os.Logger:2:15: note: found this candidate
 1 | @available(macOS 11.0, iOS 14.0, watchOS 7.0, tvOS 14.0, *)
 2 | public struct Logger : @unchecked Sendable {
   |               `- note: found this candidate
 3 |     public static var disabled: Logger { get }
 4 |     public init(subsystem: String, category: String)
/Users/admin/builder/spi-builder-workspace/Sources/UnifiedLogHandler/UnifiedLogHandler.swift:11:26: error: 'Logger' is ambiguous for type lookup in this context
 9 |     }
10 |
11 |     public var logLevel: Logger.Level = .info
   |                          `- error: 'Logger' is ambiguous for type lookup in this context
12 |
13 |     private let log: OSLog
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-log/Sources/Logging/Logging.swift:28:15: note: found this candidate
 26 | ///     logger.info("Hello World!")
 27 | ///
 28 | public struct Logger {
    |               `- note: found this candidate
 29 |     @usableFromInline
 30 |     var handler: LogHandler
os.Logger:2:15: note: found this candidate
 1 | @available(macOS 11.0, iOS 14.0, watchOS 7.0, tvOS 14.0, *)
 2 | public struct Logger : @unchecked Sendable {
   |               `- note: found this candidate
 3 |     public static var disabled: Logger { get }
 4 |     public init(subsystem: String, category: String)
/Users/admin/builder/spi-builder-workspace/Sources/UnifiedLogHandler/UnifiedLogHandler.swift:20:50: error: 'Logger' is ambiguous for type lookup in this context
18 |     }
19 |
20 |     public subscript(metadataKey key: String) -> Logger.Metadata.Value? {
   |                                                  `- error: 'Logger' is ambiguous for type lookup in this context
21 |         get { formatter.metadata[key] }
22 |         set { formatter.metadata[key] = newValue }
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-log/Sources/Logging/Logging.swift:28:15: note: found this candidate
 26 | ///     logger.info("Hello World!")
 27 | ///
 28 | public struct Logger {
    |               `- note: found this candidate
 29 |     @usableFromInline
 30 |     var handler: LogHandler
os.Logger:2:15: note: found this candidate
 1 | @available(macOS 11.0, iOS 14.0, watchOS 7.0, tvOS 14.0, *)
 2 | public struct Logger : @unchecked Sendable {
   |               `- note: found this candidate
 3 |     public static var disabled: Logger { get }
 4 |     public init(subsystem: String, category: String)
/Users/admin/builder/spi-builder-workspace/Sources/UnifiedLogHandler/UnifiedLogHandler.swift:25:28: error: 'Logger' is ambiguous for type lookup in this context
23 |     }
24 |
25 |     public func log(level: Logger.Level, message: Logger.Message, metadata: Logger.Metadata?, file _: String, function _: String, line _: UInt) {
   |                            `- error: 'Logger' is ambiguous for type lookup in this context
26 |         os_log("%{PUBLIC}@", log: log, type: OSLogType(logLevel: level), formatter.format(message: message, metadata: metadata))
27 |     }
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-log/Sources/Logging/Logging.swift:28:15: note: found this candidate
 26 | ///     logger.info("Hello World!")
 27 | ///
 28 | public struct Logger {
    |               `- note: found this candidate
 29 |     @usableFromInline
 30 |     var handler: LogHandler
os.Logger:2:15: note: found this candidate
 1 | @available(macOS 11.0, iOS 14.0, watchOS 7.0, tvOS 14.0, *)
 2 | public struct Logger : @unchecked Sendable {
   |               `- note: found this candidate
 3 |     public static var disabled: Logger { get }
 4 |     public init(subsystem: String, category: String)
/Users/admin/builder/spi-builder-workspace/Sources/UnifiedLogHandler/UnifiedLogHandler.swift:25:51: error: 'Logger' is ambiguous for type lookup in this context
23 |     }
24 |
25 |     public func log(level: Logger.Level, message: Logger.Message, metadata: Logger.Metadata?, file _: String, function _: String, line _: UInt) {
   |                                                   `- error: 'Logger' is ambiguous for type lookup in this context
26 |         os_log("%{PUBLIC}@", log: log, type: OSLogType(logLevel: level), formatter.format(message: message, metadata: metadata))
27 |     }
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-log/Sources/Logging/Logging.swift:28:15: note: found this candidate
 26 | ///     logger.info("Hello World!")
 27 | ///
 28 | public struct Logger {
    |               `- note: found this candidate
 29 |     @usableFromInline
 30 |     var handler: LogHandler
os.Logger:2:15: note: found this candidate
 1 | @available(macOS 11.0, iOS 14.0, watchOS 7.0, tvOS 14.0, *)
 2 | public struct Logger : @unchecked Sendable {
   |               `- note: found this candidate
 3 |     public static var disabled: Logger { get }
 4 |     public init(subsystem: String, category: String)
/Users/admin/builder/spi-builder-workspace/Sources/UnifiedLogHandler/UnifiedLogHandler.swift:25:77: error: 'Logger' is ambiguous for type lookup in this context
23 |     }
24 |
25 |     public func log(level: Logger.Level, message: Logger.Message, metadata: Logger.Metadata?, file _: String, function _: String, line _: UInt) {
   |                                                                             `- error: 'Logger' is ambiguous for type lookup in this context
26 |         os_log("%{PUBLIC}@", log: log, type: OSLogType(logLevel: level), formatter.format(message: message, metadata: metadata))
27 |     }
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-log/Sources/Logging/Logging.swift:28:15: note: found this candidate
 26 | ///     logger.info("Hello World!")
 27 | ///
 28 | public struct Logger {
    |               `- note: found this candidate
 29 |     @usableFromInline
 30 |     var handler: LogHandler
os.Logger:2:15: note: found this candidate
 1 | @available(macOS 11.0, iOS 14.0, watchOS 7.0, tvOS 14.0, *)
 2 | public struct Logger : @unchecked Sendable {
   |               `- note: found this candidate
 3 |     public static var disabled: Logger { get }
 4 |     public init(subsystem: String, category: String)
/Users/admin/builder/spi-builder-workspace/Sources/UnifiedLogHandler/UnifiedLogHandler.swift:31:20: error: 'Logger' is ambiguous for type lookup in this context
29 |
30 | private extension OSLogType {
31 |     init(logLevel: Logger.Level) {
   |                    `- error: 'Logger' is ambiguous for type lookup in this context
32 |         switch logLevel {
33 |         case .trace, .debug:
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-log/Sources/Logging/Logging.swift:28:15: note: found this candidate
 26 | ///     logger.info("Hello World!")
 27 | ///
 28 | public struct Logger {
    |               `- note: found this candidate
 29 |     @usableFromInline
 30 |     var handler: LogHandler
os.Logger:2:15: note: found this candidate
 1 | @available(macOS 11.0, iOS 14.0, watchOS 7.0, tvOS 14.0, *)
 2 | public struct Logger : @unchecked Sendable {
   |               `- note: found this candidate
 3 |     public static var disabled: Logger { get }
 4 |     public init(subsystem: String, category: String)
/Users/admin/builder/spi-builder-workspace/Sources/UnifiedLogHandler/UnifiedLogHandler.swift:26:55: error: extraneous argument label 'logLevel:' in call
24 |
25 |     public func log(level: Logger.Level, message: Logger.Message, metadata: Logger.Metadata?, file _: String, function _: String, line _: UInt) {
26 |         os_log("%{PUBLIC}@", log: log, type: OSLogType(logLevel: level), formatter.format(message: message, metadata: metadata))
   |                                                       `- error: extraneous argument label 'logLevel:' in call
27 |     }
28 | }
BUILD FAILURE 6.3 macosSpm