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 PonyExpress, reference 2.0.2 (649f3c), with Swift 6.1 for Linux on 27 Apr 2025 11:57:54 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/adamwulf/PonyExpress.git
Reference: 2.0.2
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/adamwulf/PonyExpress
 * tag               2.0.2      -> FETCH_HEAD
HEAD is now at 649f3c0 Fixes how types with the same name are cached inside of PostOffice. now they are cached with a fully qualified name.
Cloned https://github.com/adamwulf/PonyExpress.git
Revision (git rev-parse @):
649f3c024eab95a9d3bf0dadabb8fa80f46bcb61
SUCCESS checkout https://github.com/adamwulf/PonyExpress.git at 2.0.2
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/adamwulf/PonyExpress.git
https://github.com/adamwulf/PonyExpress.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "locks",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/adamwulf/Locks.git"
    }
  ],
  "manifest_display_name" : "PonyExpress",
  "name" : "PonyExpress",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "ios",
      "version" : "11.0"
    }
  ],
  "products" : [
    {
      "name" : "PonyExpress",
      "targets" : [
        "PonyExpress"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "PonyExpressTests",
      "module_type" : "SwiftTarget",
      "name" : "PonyExpressTests",
      "path" : "Tests/PonyExpressTests",
      "sources" : [
        "MemoryTests.swift",
        "TestHelpers.swift",
        "UnverifiedMailBlockTests.swift",
        "UnverifiedMailMethodTests.swift",
        "VerifiedBlockTests.swift",
        "VerifiedMethodTests.swift"
      ],
      "target_dependencies" : [
        "PonyExpress"
      ],
      "type" : "test"
    },
    {
      "c99name" : "PonyExpress",
      "module_type" : "SwiftTarget",
      "name" : "PonyExpress",
      "path" : "Sources/PonyExpress",
      "product_dependencies" : [
        "Locks"
      ],
      "product_memberships" : [
        "PonyExpress"
      ],
      "sources" : [
        "Array+Extension.swift",
        "Mail.swift",
        "PostOffice.swift",
        "Recipient.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.7"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Fetching https://github.com/adamwulf/Locks.git
[4/311] Fetching locks
Fetched https://github.com/adamwulf/Locks.git from cache (0.25s)
Computing version for https://github.com/adamwulf/Locks.git
Computed https://github.com/adamwulf/Locks.git at 1.0.0 (0.80s)
Creating working copy for https://github.com/adamwulf/Locks.git
Working copy of https://github.com/adamwulf/Locks.git resolved at 1.0.0
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version-24593BA9C3E375BF.txt
[4/13] Compiling Locks RecursiveMutex.swift
/host/spi-builder-workspace/.build/checkouts/Locks/Sources/Locks/RecursiveMutex.swift:30:45: error: cannot convert value of type 'Int' to expected argument type 'Int32'
28 |         withUnsafeMutablePointer(to: &attr) { attr in
29 |             pthread_mutexattr_init(attr)
30 |             pthread_mutexattr_settype(attr, PTHREAD_MUTEX_RECURSIVE)
   |                                             `- error: cannot convert value of type 'Int' to expected argument type 'Int32'
31 |             let err = pthread_mutex_init(mutex, attr)
32 |             pthread_mutexattr_destroy(attr)
error: emit-module command failed with exit code 1 (use -v to see invocation)
[5/14] Emitting module Locks
/host/spi-builder-workspace/.build/checkouts/Locks/Sources/Locks/ThreadLocal.swift:45:13: error: setter for property 'threadDictionary' is private and cannot be referenced from an '@inlinable' function
43 |                 return v
44 |             }
45 |             Thread.current.threadDictionary[key] = initialValue
   |             `- error: setter for property 'threadDictionary' is private and cannot be referenced from an '@inlinable' function
46 |             return initialValue
47 |         }
Foundation.Thread._:2:1: note: setter for property 'threadDictionary' is not '@usableFromInline' or public
1 | class Thread {
2 | set(value)}
  | `- note: setter for property 'threadDictionary' is not '@usableFromInline' or public
3 |
/host/spi-builder-workspace/.build/checkouts/Locks/Sources/Locks/ThreadLocal.swift:49:13: error: setter for property 'threadDictionary' is private and cannot be referenced from an '@inlinable' function
47 |         }
48 |         set {
49 |             Thread.current.threadDictionary[key] = newValue
   |             `- error: setter for property 'threadDictionary' is private and cannot be referenced from an '@inlinable' function
50 |         }
51 |     }
Foundation.Thread._:2:1: note: setter for property 'threadDictionary' is not '@usableFromInline' or public
1 | class Thread {
2 | set(value)}
  | `- note: setter for property 'threadDictionary' is not '@usableFromInline' or public
3 |
/host/spi-builder-workspace/.build/checkouts/Locks/Sources/Locks/UnfairLock.swift:11:29: error: cannot find type 'os_unfair_lock_t' in scope
 9 |
10 | public class UnfairLock: NSLocking {
11 |     private let unfairLock: os_unfair_lock_t
   |                             `- error: cannot find type 'os_unfair_lock_t' in scope
12 |     private var locked = false
13 |
[6/14] Compiling Locks AtomicWrapper+Extensions.swift
[7/14] Compiling Locks AtomicWrapper.swift
[8/14] Compiling Locks AtomicDictionary.swift
[9/14] Compiling Locks AtomicSet.swift
[10/14] Compiling Locks ReadWriteLock.swift
[11/14] Compiling Locks Mutex.swift
[12/14] Compiling Locks NSLocking+Extensions.swift
[13/14] Compiling Locks ThreadLocal.swift
/host/spi-builder-workspace/.build/checkouts/Locks/Sources/Locks/ThreadLocal.swift:45:13: error: setter for property 'threadDictionary' is private and cannot be referenced from an '@inlinable' function
43 |                 return v
44 |             }
45 |             Thread.current.threadDictionary[key] = initialValue
   |             `- error: setter for property 'threadDictionary' is private and cannot be referenced from an '@inlinable' function
46 |             return initialValue
47 |         }
Foundation.Thread._:2:1: note: setter for property 'threadDictionary' is not '@usableFromInline' or public
1 | class Thread {
2 | set(value)}
  | `- note: setter for property 'threadDictionary' is not '@usableFromInline' or public
3 |
/host/spi-builder-workspace/.build/checkouts/Locks/Sources/Locks/ThreadLocal.swift:49:13: error: setter for property 'threadDictionary' is private and cannot be referenced from an '@inlinable' function
47 |         }
48 |         set {
49 |             Thread.current.threadDictionary[key] = newValue
   |             `- error: setter for property 'threadDictionary' is private and cannot be referenced from an '@inlinable' function
50 |         }
51 |     }
Foundation.Thread._:2:1: note: setter for property 'threadDictionary' is not '@usableFromInline' or public
1 | class Thread {
2 | set(value)}
  | `- note: setter for property 'threadDictionary' is not '@usableFromInline' or public
3 |
[14/14] Compiling Locks UnfairLock.swift
/host/spi-builder-workspace/.build/checkouts/Locks/Sources/Locks/UnfairLock.swift:11:29: error: cannot find type 'os_unfair_lock_t' in scope
 9 |
10 | public class UnfairLock: NSLocking {
11 |     private let unfairLock: os_unfair_lock_t
   |                             `- error: cannot find type 'os_unfair_lock_t' in scope
12 |     private var locked = false
13 |
/host/spi-builder-workspace/.build/checkouts/Locks/Sources/Locks/UnfairLock.swift:15:23: error: cannot infer contextual base in reference to member 'allocate'
13 |
14 |     public init() {
15 |         unfairLock = .allocate(capacity: 1)
   |                       `- error: cannot infer contextual base in reference to member 'allocate'
16 |         unfairLock.initialize(to: os_unfair_lock())
17 |     }
/host/spi-builder-workspace/.build/checkouts/Locks/Sources/Locks/UnfairLock.swift:16:35: error: cannot find 'os_unfair_lock' in scope
14 |     public init() {
15 |         unfairLock = .allocate(capacity: 1)
16 |         unfairLock.initialize(to: os_unfair_lock())
   |                                   `- error: cannot find 'os_unfair_lock' in scope
17 |     }
18 |
/host/spi-builder-workspace/.build/checkouts/Locks/Sources/Locks/UnfairLock.swift:20:9: error: cannot find 'os_unfair_lock_lock' in scope
18 |
19 |     public func lock() {
20 |         os_unfair_lock_lock(unfairLock)
   |         `- error: cannot find 'os_unfair_lock_lock' in scope
21 |         locked = true
22 |     }
/host/spi-builder-workspace/.build/checkouts/Locks/Sources/Locks/UnfairLock.swift:26:9: error: cannot find 'os_unfair_lock_unlock' in scope
24 |     public func unlock() {
25 |         locked = false
26 |         os_unfair_lock_unlock(unfairLock)
   |         `- error: cannot find 'os_unfair_lock_unlock' in scope
27 |     }
28 |
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/11] Compiling Locks ReadWriteLock.swift
[3/12] Compiling Locks RecursiveMutex.swift
/host/spi-builder-workspace/.build/checkouts/Locks/Sources/Locks/RecursiveMutex.swift:30:45: error: cannot convert value of type 'Int' to expected argument type 'Int32'
28 |         withUnsafeMutablePointer(to: &attr) { attr in
29 |             pthread_mutexattr_init(attr)
30 |             pthread_mutexattr_settype(attr, PTHREAD_MUTEX_RECURSIVE)
   |                                             `- error: cannot convert value of type 'Int' to expected argument type 'Int32'
31 |             let err = pthread_mutex_init(mutex, attr)
32 |             pthread_mutexattr_destroy(attr)
[4/12] Compiling Locks ThreadLocal.swift
/host/spi-builder-workspace/.build/checkouts/Locks/Sources/Locks/ThreadLocal.swift:45:13: error: setter for property 'threadDictionary' is private and cannot be referenced from an '@inlinable' function
43 |                 return v
44 |             }
45 |             Thread.current.threadDictionary[key] = initialValue
   |             `- error: setter for property 'threadDictionary' is private and cannot be referenced from an '@inlinable' function
46 |             return initialValue
47 |         }
Foundation.Thread._:2:1: note: setter for property 'threadDictionary' is not '@usableFromInline' or public
1 | class Thread {
2 | set(value)}
  | `- note: setter for property 'threadDictionary' is not '@usableFromInline' or public
3 |
/host/spi-builder-workspace/.build/checkouts/Locks/Sources/Locks/ThreadLocal.swift:49:13: error: setter for property 'threadDictionary' is private and cannot be referenced from an '@inlinable' function
47 |         }
48 |         set {
49 |             Thread.current.threadDictionary[key] = newValue
   |             `- error: setter for property 'threadDictionary' is private and cannot be referenced from an '@inlinable' function
50 |         }
51 |     }
Foundation.Thread._:2:1: note: setter for property 'threadDictionary' is not '@usableFromInline' or public
1 | class Thread {
2 | set(value)}
  | `- note: setter for property 'threadDictionary' is not '@usableFromInline' or public
3 |
[5/12] Compiling Locks NSLocking+Extensions.swift
[6/12] Compiling Locks Mutex.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[7/12] Compiling Locks AtomicWrapper+Extensions.swift
[8/12] Compiling Locks AtomicWrapper.swift
[9/12] Compiling Locks AtomicDictionary.swift
[10/12] Compiling Locks AtomicSet.swift
[11/12] Emitting module Locks
/host/spi-builder-workspace/.build/checkouts/Locks/Sources/Locks/ThreadLocal.swift:45:13: error: setter for property 'threadDictionary' is private and cannot be referenced from an '@inlinable' function
43 |                 return v
44 |             }
45 |             Thread.current.threadDictionary[key] = initialValue
   |             `- error: setter for property 'threadDictionary' is private and cannot be referenced from an '@inlinable' function
46 |             return initialValue
47 |         }
Foundation.Thread._:2:1: note: setter for property 'threadDictionary' is not '@usableFromInline' or public
1 | class Thread {
2 | set(value)}
  | `- note: setter for property 'threadDictionary' is not '@usableFromInline' or public
3 |
/host/spi-builder-workspace/.build/checkouts/Locks/Sources/Locks/ThreadLocal.swift:49:13: error: setter for property 'threadDictionary' is private and cannot be referenced from an '@inlinable' function
47 |         }
48 |         set {
49 |             Thread.current.threadDictionary[key] = newValue
   |             `- error: setter for property 'threadDictionary' is private and cannot be referenced from an '@inlinable' function
50 |         }
51 |     }
Foundation.Thread._:2:1: note: setter for property 'threadDictionary' is not '@usableFromInline' or public
1 | class Thread {
2 | set(value)}
  | `- note: setter for property 'threadDictionary' is not '@usableFromInline' or public
3 |
/host/spi-builder-workspace/.build/checkouts/Locks/Sources/Locks/UnfairLock.swift:11:29: error: cannot find type 'os_unfair_lock_t' in scope
 9 |
10 | public class UnfairLock: NSLocking {
11 |     private let unfairLock: os_unfair_lock_t
   |                             `- error: cannot find type 'os_unfair_lock_t' in scope
12 |     private var locked = false
13 |
[12/12] Compiling Locks UnfairLock.swift
/host/spi-builder-workspace/.build/checkouts/Locks/Sources/Locks/UnfairLock.swift:11:29: error: cannot find type 'os_unfair_lock_t' in scope
 9 |
10 | public class UnfairLock: NSLocking {
11 |     private let unfairLock: os_unfair_lock_t
   |                             `- error: cannot find type 'os_unfair_lock_t' in scope
12 |     private var locked = false
13 |
/host/spi-builder-workspace/.build/checkouts/Locks/Sources/Locks/UnfairLock.swift:15:23: error: cannot infer contextual base in reference to member 'allocate'
13 |
14 |     public init() {
15 |         unfairLock = .allocate(capacity: 1)
   |                       `- error: cannot infer contextual base in reference to member 'allocate'
16 |         unfairLock.initialize(to: os_unfair_lock())
17 |     }
/host/spi-builder-workspace/.build/checkouts/Locks/Sources/Locks/UnfairLock.swift:16:35: error: cannot find 'os_unfair_lock' in scope
14 |     public init() {
15 |         unfairLock = .allocate(capacity: 1)
16 |         unfairLock.initialize(to: os_unfair_lock())
   |                                   `- error: cannot find 'os_unfair_lock' in scope
17 |     }
18 |
/host/spi-builder-workspace/.build/checkouts/Locks/Sources/Locks/UnfairLock.swift:20:9: error: cannot find 'os_unfair_lock_lock' in scope
18 |
19 |     public func lock() {
20 |         os_unfair_lock_lock(unfairLock)
   |         `- error: cannot find 'os_unfair_lock_lock' in scope
21 |         locked = true
22 |     }
/host/spi-builder-workspace/.build/checkouts/Locks/Sources/Locks/UnfairLock.swift:26:9: error: cannot find 'os_unfair_lock_unlock' in scope
24 |     public func unlock() {
25 |         locked = false
26 |         os_unfair_lock_unlock(unfairLock)
   |         `- error: cannot find 'os_unfair_lock_unlock' in scope
27 |     }
28 |
BUILD FAILURE 6.1 linux