The Swift Package Index logo.Swift Package Index

Has it really been five years since Swift Package Index launched? Read our anniversary blog post!

Build Information

Failed to build BlackBox, reference 4.1.0 (6d4094), with Swift 6.1 for Wasm on 28 Aug 2025 12:35:18 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.67.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/dodobrands/BlackBox.git
Reference: 4.1.0
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/dodobrands/BlackBox
 * tag               4.1.0      -> FETCH_HEAD
HEAD is now at 6d4094c Added isTrace property (#84)
Cloned https://github.com/dodobrands/BlackBox.git
Revision (git rev-parse @):
6d4094c504b9e05d63298d93507386ef70f1d7b9
SUCCESS checkout https://github.com/dodobrands/BlackBox.git at 4.1.0
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/dodobrands/BlackBox.git
https://github.com/dodobrands/BlackBox.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "swift-docc-plugin",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-docc-plugin"
    },
    {
      "identity" : "dbthreadsafe-ios",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/dodobrands/DBThreadSafe-ios.git"
    }
  ],
  "manifest_display_name" : "BlackBox",
  "name" : "BlackBox",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "12.0"
    },
    {
      "name" : "macos",
      "version" : "10.14"
    },
    {
      "name" : "tvos",
      "version" : "12.0"
    },
    {
      "name" : "watchos",
      "version" : "5.0"
    }
  ],
  "products" : [
    {
      "name" : "BlackBox",
      "targets" : [
        "BlackBox"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "6"
  ],
  "targets" : [
    {
      "c99name" : "ExampleModule",
      "module_type" : "SwiftTarget",
      "name" : "ExampleModule",
      "path" : "Sources/ExampleModule",
      "sources" : [
        "ExampleService.swift"
      ],
      "target_dependencies" : [
        "BlackBox"
      ],
      "type" : "library"
    },
    {
      "c99name" : "BlackBoxTests",
      "module_type" : "SwiftTarget",
      "name" : "BlackBoxTests",
      "path" : "Tests/BlackBoxTests",
      "sources" : [
        "BackwardsCompatibilityTests.swift",
        "BlackBoxEndEventTests.swift",
        "BlackBoxErrorEventTests.swift",
        "BlackBoxGenericEventTests.swift",
        "BlackBoxStartEventTests.swift",
        "BlackBoxTestCase.swift",
        "Helpers/AnakinKills.swift",
        "Helpers/Lightsaber.swift",
        "LoggerMock.swift",
        "OSLoggerTests.swift",
        "OSSignpostLoggerTests.swift"
      ],
      "target_dependencies" : [
        "BlackBox",
        "ExampleModule"
      ],
      "type" : "test"
    },
    {
      "c99name" : "BlackBox",
      "module_type" : "SwiftTarget",
      "name" : "BlackBox",
      "path" : "Sources/BlackBox",
      "product_dependencies" : [
        "DBThreadSafe"
      ],
      "product_memberships" : [
        "BlackBox"
      ],
      "sources" : [
        "BBLogFormat.swift",
        "BBLogLevel.swift",
        "BBLoggerProtocol.swift",
        "BlackBox.swift",
        "BlackBoxEvents.swift",
        "Helpers/BBHelpers.swift",
        "Loggers/FSLogger.swift",
        "Loggers/OSLogger.swift",
        "Loggers/OSSignpostLogger.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats 2>&1
wasm-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:eb0758f51dbd6991fb9e51dedbfbcbec142ffc0d3b9b8ad91fa19d35e5136f0a
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest
Fetching https://github.com/apple/swift-docc-plugin
Fetching https://github.com/dodobrands/DBThreadSafe-ios.git
[1/223] Fetching dbthreadsafe-ios
[224/2317] Fetching dbthreadsafe-ios, swift-docc-plugin
Fetched https://github.com/dodobrands/DBThreadSafe-ios.git from cache (0.46s)
Fetched https://github.com/apple/swift-docc-plugin from cache (0.46s)
Computing version for https://github.com/dodobrands/DBThreadSafe-ios.git
Computed https://github.com/dodobrands/DBThreadSafe-ios.git at 2.2.0 (1.00s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.4.5 (2.24s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3480] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (0.43s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (1.06s)
Creating working copy for https://github.com/dodobrands/DBThreadSafe-ios.git
Working copy of https://github.com/dodobrands/DBThreadSafe-ios.git resolved at 2.2.0
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
Creating working copy for https://github.com/apple/swift-docc-plugin
Working copy of https://github.com/apple/swift-docc-plugin resolved at 1.4.5
[1/1] Compiling plugin Swift-DocC Preview
[2/2] Compiling plugin Swift-DocC
Building for debugging...
[2/6] Write sources
[5/6] Write swift-version-24593BA9C3E375BF.txt
[7/9] Compiling DBThreadSafe DBThreadSafeContainer.swift
[8/9] Emitting module DBThreadSafe
[9/9] Compiling DBThreadSafe Lock.swift
/host/spi-builder-workspace/.build/checkouts/DBThreadSafe-ios/Sources/DBThreadSafe/Lock.swift:7:22: error: cannot find 'pthread_rwlock_init' in scope
 5 |
 6 |     init() {
 7 |         precondition(pthread_rwlock_init(lock, nil) == 0, "Failed to initialize the lock")
   |                      `- error: cannot find 'pthread_rwlock_init' in scope
 8 |     }
 9 |
/host/spi-builder-workspace/.build/checkouts/DBThreadSafe-ios/Sources/DBThreadSafe/Lock.swift:7:48: error: 'nil' requires a contextual type
 5 |
 6 |     init() {
 7 |         precondition(pthread_rwlock_init(lock, nil) == 0, "Failed to initialize the lock")
   |                                                `- error: 'nil' requires a contextual type
 8 |     }
 9 |
/host/spi-builder-workspace/.build/checkouts/DBThreadSafe-ios/Sources/DBThreadSafe/Lock.swift:11:9: error: cannot find 'pthread_rwlock_rdlock' in scope
 9 |
10 |     func readLock() {
11 |         pthread_rwlock_rdlock(lock)
   |         `- error: cannot find 'pthread_rwlock_rdlock' in scope
12 |     }
13 |
/host/spi-builder-workspace/.build/checkouts/DBThreadSafe-ios/Sources/DBThreadSafe/Lock.swift:15:9: error: cannot find 'pthread_rwlock_wrlock' in scope
13 |
14 |     func writeLock() {
15 |         pthread_rwlock_wrlock(lock)
   |         `- error: cannot find 'pthread_rwlock_wrlock' in scope
16 |     }
17 |
/host/spi-builder-workspace/.build/checkouts/DBThreadSafe-ios/Sources/DBThreadSafe/Lock.swift:19:9: error: cannot find 'pthread_rwlock_unlock' in scope
17 |
18 |     func unlock() {
19 |         pthread_rwlock_unlock(lock)
   |         `- error: cannot find 'pthread_rwlock_unlock' in scope
20 |     }
21 |
/host/spi-builder-workspace/.build/checkouts/DBThreadSafe-ios/Sources/DBThreadSafe/Lock.swift:23:22: error: cannot find 'pthread_rwlock_destroy' in scope
21 |
22 |     deinit {
23 |         precondition(pthread_rwlock_destroy(lock) == 0, "Failed to destroy the lock")
   |                      `- error: cannot find 'pthread_rwlock_destroy' in scope
24 |
25 |         lock.deallocate()
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1
wasm-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:eb0758f51dbd6991fb9e51dedbfbcbec142ffc0d3b9b8ad91fa19d35e5136f0a
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest
[0/1] Planning build
[1/1] Compiling plugin Swift-DocC Preview
[2/2] Compiling plugin Swift-DocC
Building for debugging...
[2/3] Write swift-version-24593BA9C3E375BF.txt
[4/6] Compiling DBThreadSafe DBThreadSafeContainer.swift
[5/6] Emitting module DBThreadSafe
[6/6] Compiling DBThreadSafe Lock.swift
/host/spi-builder-workspace/.build/checkouts/DBThreadSafe-ios/Sources/DBThreadSafe/Lock.swift:7:22: error: cannot find 'pthread_rwlock_init' in scope
 5 |
 6 |     init() {
 7 |         precondition(pthread_rwlock_init(lock, nil) == 0, "Failed to initialize the lock")
   |                      `- error: cannot find 'pthread_rwlock_init' in scope
 8 |     }
 9 |
/host/spi-builder-workspace/.build/checkouts/DBThreadSafe-ios/Sources/DBThreadSafe/Lock.swift:7:48: error: 'nil' requires a contextual type
 5 |
 6 |     init() {
 7 |         precondition(pthread_rwlock_init(lock, nil) == 0, "Failed to initialize the lock")
   |                                                `- error: 'nil' requires a contextual type
 8 |     }
 9 |
/host/spi-builder-workspace/.build/checkouts/DBThreadSafe-ios/Sources/DBThreadSafe/Lock.swift:11:9: error: cannot find 'pthread_rwlock_rdlock' in scope
 9 |
10 |     func readLock() {
11 |         pthread_rwlock_rdlock(lock)
   |         `- error: cannot find 'pthread_rwlock_rdlock' in scope
12 |     }
13 |
/host/spi-builder-workspace/.build/checkouts/DBThreadSafe-ios/Sources/DBThreadSafe/Lock.swift:15:9: error: cannot find 'pthread_rwlock_wrlock' in scope
13 |
14 |     func writeLock() {
15 |         pthread_rwlock_wrlock(lock)
   |         `- error: cannot find 'pthread_rwlock_wrlock' in scope
16 |     }
17 |
/host/spi-builder-workspace/.build/checkouts/DBThreadSafe-ios/Sources/DBThreadSafe/Lock.swift:19:9: error: cannot find 'pthread_rwlock_unlock' in scope
17 |
18 |     func unlock() {
19 |         pthread_rwlock_unlock(lock)
   |         `- error: cannot find 'pthread_rwlock_unlock' in scope
20 |     }
21 |
/host/spi-builder-workspace/.build/checkouts/DBThreadSafe-ios/Sources/DBThreadSafe/Lock.swift:23:22: error: cannot find 'pthread_rwlock_destroy' in scope
21 |
22 |     deinit {
23 |         precondition(pthread_rwlock_destroy(lock) == 0, "Failed to destroy the lock")
   |                      `- error: cannot find 'pthread_rwlock_destroy' in scope
24 |
25 |         lock.deallocate()
BUILD FAILURE 6.1 wasm