Swift Package Index

Build Information

Failed to build Emit, reference master (b19ff6), with Swift 6.1 for Wasm on 27 May 2025 23:56:44 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.63.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/hootsuite/emit.git
Reference: master
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/hootsuite/emit
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at b19ff64 Add deprecation notice (#18)
Cloned https://github.com/hootsuite/emit.git
Revision (git rev-parse @):
b19ff64f11028103c60426ed9a84a407fe7d770b
SUCCESS checkout https://github.com/hootsuite/emit.git at master
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/hootsuite/emit.git
https://github.com/hootsuite/emit.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Emit",
  "name" : "Emit",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Emit",
      "targets" : [
        "Emit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "EmitTests",
      "module_type" : "SwiftTarget",
      "name" : "EmitTests",
      "path" : "Tests",
      "sources" : [
        "ObservableVariableTests.swift",
        "SignalTests.swift"
      ],
      "target_dependencies" : [
        "Emit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Emit",
      "module_type" : "SwiftTarget",
      "name" : "Emit",
      "path" : "Sources",
      "product_memberships" : [
        "Emit"
      ],
      "sources" : [
        "ObservableVariable.swift",
        "RWLock.swift",
        "Signal.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" 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 -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
wasm-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:7e37457820e5f17452a98118754f345f2619722c485f2db0d8b666940a83afd2
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/6] Compiling Emit ObservableVariable.swift
[4/6] Emitting module Emit
/host/spi-builder-workspace/Sources/Signal.swift:65:55: error: cannot find type 'DispatchQueue' in scope
 63 |     ///   - queue: `DispatchQueue` to use when invoking the action, defaults to the main queue.
 64 |     ///   - action: closure to invoke when the signal is emitted.
 65 |     public func subscribe(owner: AnyObject, in queue: DispatchQueue = .main, action: @escaping (Event) -> Void) {
    |                                                       `- error: cannot find type 'DispatchQueue' in scope
 66 |         lock.performWrite {
 67 |             let subscriber = OwnedSubscription(owner: owner, queue: queue, action: action)
/host/spi-builder-workspace/Sources/Signal.swift:126:16: error: cannot find type 'DispatchQueue' in scope
124 |
125 |     /// `DispatchQueue` in which to dispatch events.
126 |     var queue: DispatchQueue { get }
    |                `- error: cannot find type 'DispatchQueue' in scope
127 |
128 |     /// Closure to invoke when the signal is emitted.
/host/spi-builder-workspace/Sources/Signal.swift:146:16: error: cannot find type 'DispatchQueue' in scope
144 |
145 |     /// `DispatchQueue` in which to dispatch events.
146 |     let queue: DispatchQueue
    |                `- error: cannot find type 'DispatchQueue' in scope
147 |
148 |     /// Closure to invoke when the signal is emitted.
/host/spi-builder-workspace/Sources/Signal.swift:152:35: error: cannot find type 'DispatchQueue' in scope
150 |
151 |     /// Initializes an `OwnedSubscription` with an owner an optional dispatch queue and a closure.
152 |     init(owner: AnyObject, queue: DispatchQueue = .main, action: @escaping (Event) -> Void) {
    |                                   `- error: cannot find type 'DispatchQueue' in scope
153 |         self.owner = owner
154 |         self.queue = queue
[5/6] Compiling Emit RWLock.swift
/host/spi-builder-workspace/Sources/RWLock.swift:23:12: error: cannot find 'pthread_rwlock_init' in scope
21 |     /// Initializes a `RWLock`
22 |     public init() {
23 |         if pthread_rwlock_init(&lock, nil) != 0 {
   |            `- error: cannot find 'pthread_rwlock_init' in scope
24 |             fatalError("Failed to create rwlock")
25 |         }
/host/spi-builder-workspace/Sources/RWLock.swift:23:39: error: 'nil' requires a contextual type
21 |     /// Initializes a `RWLock`
22 |     public init() {
23 |         if pthread_rwlock_init(&lock, nil) != 0 {
   |                                       `- error: 'nil' requires a contextual type
24 |             fatalError("Failed to create rwlock")
25 |         }
/host/spi-builder-workspace/Sources/RWLock.swift:29:9: error: cannot find 'pthread_rwlock_destroy' in scope
27 |
28 |     deinit {
29 |         pthread_rwlock_destroy(&lock)
   |         `- error: cannot find 'pthread_rwlock_destroy' in scope
30 |     }
31 |
/host/spi-builder-workspace/Sources/RWLock.swift:34:9: error: cannot find 'pthread_rwlock_rdlock' in scope
32 |     /// Lock for reading.
33 |     public func lockForReading() {
34 |         pthread_rwlock_rdlock(&lock)
   |         `- error: cannot find 'pthread_rwlock_rdlock' in scope
35 |     }
36 |
/host/spi-builder-workspace/Sources/RWLock.swift:39:9: error: cannot find 'pthread_rwlock_wrlock' in scope
37 |     /// Lock for writing.
38 |     public func lockForWriting() {
39 |         pthread_rwlock_wrlock(&lock)
   |         `- error: cannot find 'pthread_rwlock_wrlock' in scope
40 |     }
41 |
/host/spi-builder-workspace/Sources/RWLock.swift:44:9: error: cannot find 'pthread_rwlock_unlock' in scope
42 |     /// Unlock.
43 |     public func unlock() {
44 |         pthread_rwlock_unlock(&lock)
   |         `- error: cannot find 'pthread_rwlock_unlock' in scope
45 |     }
46 |
[6/6] Compiling Emit Signal.swift
/host/spi-builder-workspace/Sources/Signal.swift:65:55: error: cannot find type 'DispatchQueue' in scope
 63 |     ///   - queue: `DispatchQueue` to use when invoking the action, defaults to the main queue.
 64 |     ///   - action: closure to invoke when the signal is emitted.
 65 |     public func subscribe(owner: AnyObject, in queue: DispatchQueue = .main, action: @escaping (Event) -> Void) {
    |                                                       `- error: cannot find type 'DispatchQueue' in scope
 66 |         lock.performWrite {
 67 |             let subscriber = OwnedSubscription(owner: owner, queue: queue, action: action)
/host/spi-builder-workspace/Sources/Signal.swift:126:16: error: cannot find type 'DispatchQueue' in scope
124 |
125 |     /// `DispatchQueue` in which to dispatch events.
126 |     var queue: DispatchQueue { get }
    |                `- error: cannot find type 'DispatchQueue' in scope
127 |
128 |     /// Closure to invoke when the signal is emitted.
/host/spi-builder-workspace/Sources/Signal.swift:146:16: error: cannot find type 'DispatchQueue' in scope
144 |
145 |     /// `DispatchQueue` in which to dispatch events.
146 |     let queue: DispatchQueue
    |                `- error: cannot find type 'DispatchQueue' in scope
147 |
148 |     /// Closure to invoke when the signal is emitted.
/host/spi-builder-workspace/Sources/Signal.swift:152:35: error: cannot find type 'DispatchQueue' in scope
150 |
151 |     /// Initializes an `OwnedSubscription` with an owner an optional dispatch queue and a closure.
152 |     init(owner: AnyObject, queue: DispatchQueue = .main, action: @escaping (Event) -> Void) {
    |                                   `- error: cannot find type 'DispatchQueue' in scope
153 |         self.owner = owner
154 |         self.queue = queue
/host/spi-builder-workspace/Sources/Signal.swift:67:30: error: generic parameter 'T' could not be inferred
 65 |     public func subscribe(owner: AnyObject, in queue: DispatchQueue = .main, action: @escaping (Event) -> Void) {
 66 |         lock.performWrite {
 67 |             let subscriber = OwnedSubscription(owner: owner, queue: queue, action: action)
    |                              |- error: generic parameter 'T' could not be inferred
    |                              `- note: explicitly specify the generic arguments to fix this issue
 68 |             self.subscriptions.append(subscriber)
 69 |         }
    :
137 | /// The subscription only holds a weak reference to its owner. When the owner is released the subscription becomes
138 | /// stale. Stale subscriptions don't get invoked and they are cleaned up periodically.
139 | private final class OwnedSubscription<T>: Subscription {
    |                                       `- note: 'T' declared as parameter to type 'OwnedSubscription'
140 |     typealias Event = T
141 |
/host/spi-builder-workspace/Sources/Signal.swift:93:42: error: cannot infer contextual base in reference to member 'main'
 91 |     public func filter(where eval: @escaping (Event) -> Bool) -> Signal<Event> {
 92 |         let newSignal = Signal<Event>()
 93 |         subscribe(owner: newSignal, in: .main) { event in
    |                                          `- error: cannot infer contextual base in reference to member 'main'
 94 |             if eval(event) {
 95 |                 newSignal.emit(event)
/host/spi-builder-workspace/Sources/Signal.swift:104:42: error: cannot infer contextual base in reference to member 'main'
102 |     public func map<T>(_ f: @escaping (Event) -> T) -> Signal<T> {
103 |         let newSignal = Signal<T>()
104 |         subscribe(owner: newSignal, in: .main) { event in
    |                                          `- error: cannot infer contextual base in reference to member 'main'
105 |             newSignal.emit(f(event))
106 |         }
/host/spi-builder-workspace/Sources/Signal.swift:113:42: error: cannot infer contextual base in reference to member 'main'
111 |     public func flatMap<T>(_ f: @escaping (Event) -> T?) -> Signal<T> {
112 |         let newSignal = Signal<T>()
113 |         subscribe(owner: newSignal, in: .main) { event in
    |                                          `- error: cannot infer contextual base in reference to member 'main'
114 |             if let e = f(event) {
115 |                 newSignal.emit(e)
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" 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: sha256:7e37457820e5f17452a98118754f345f2619722c485f2db0d8b666940a83afd2
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[2/5] Compiling Emit ObservableVariable.swift
[3/5] Emitting module Emit
/host/spi-builder-workspace/Sources/Signal.swift:65:55: error: cannot find type 'DispatchQueue' in scope
 63 |     ///   - queue: `DispatchQueue` to use when invoking the action, defaults to the main queue.
 64 |     ///   - action: closure to invoke when the signal is emitted.
 65 |     public func subscribe(owner: AnyObject, in queue: DispatchQueue = .main, action: @escaping (Event) -> Void) {
    |                                                       `- error: cannot find type 'DispatchQueue' in scope
 66 |         lock.performWrite {
 67 |             let subscriber = OwnedSubscription(owner: owner, queue: queue, action: action)
/host/spi-builder-workspace/Sources/Signal.swift:126:16: error: cannot find type 'DispatchQueue' in scope
124 |
125 |     /// `DispatchQueue` in which to dispatch events.
126 |     var queue: DispatchQueue { get }
    |                `- error: cannot find type 'DispatchQueue' in scope
127 |
128 |     /// Closure to invoke when the signal is emitted.
/host/spi-builder-workspace/Sources/Signal.swift:146:16: error: cannot find type 'DispatchQueue' in scope
144 |
145 |     /// `DispatchQueue` in which to dispatch events.
146 |     let queue: DispatchQueue
    |                `- error: cannot find type 'DispatchQueue' in scope
147 |
148 |     /// Closure to invoke when the signal is emitted.
/host/spi-builder-workspace/Sources/Signal.swift:152:35: error: cannot find type 'DispatchQueue' in scope
150 |
151 |     /// Initializes an `OwnedSubscription` with an owner an optional dispatch queue and a closure.
152 |     init(owner: AnyObject, queue: DispatchQueue = .main, action: @escaping (Event) -> Void) {
    |                                   `- error: cannot find type 'DispatchQueue' in scope
153 |         self.owner = owner
154 |         self.queue = queue
[4/5] Compiling Emit Signal.swift
/host/spi-builder-workspace/Sources/Signal.swift:65:55: error: cannot find type 'DispatchQueue' in scope
 63 |     ///   - queue: `DispatchQueue` to use when invoking the action, defaults to the main queue.
 64 |     ///   - action: closure to invoke when the signal is emitted.
 65 |     public func subscribe(owner: AnyObject, in queue: DispatchQueue = .main, action: @escaping (Event) -> Void) {
    |                                                       `- error: cannot find type 'DispatchQueue' in scope
 66 |         lock.performWrite {
 67 |             let subscriber = OwnedSubscription(owner: owner, queue: queue, action: action)
/host/spi-builder-workspace/Sources/Signal.swift:126:16: error: cannot find type 'DispatchQueue' in scope
124 |
125 |     /// `DispatchQueue` in which to dispatch events.
126 |     var queue: DispatchQueue { get }
    |                `- error: cannot find type 'DispatchQueue' in scope
127 |
128 |     /// Closure to invoke when the signal is emitted.
/host/spi-builder-workspace/Sources/Signal.swift:146:16: error: cannot find type 'DispatchQueue' in scope
144 |
145 |     /// `DispatchQueue` in which to dispatch events.
146 |     let queue: DispatchQueue
    |                `- error: cannot find type 'DispatchQueue' in scope
147 |
148 |     /// Closure to invoke when the signal is emitted.
/host/spi-builder-workspace/Sources/Signal.swift:152:35: error: cannot find type 'DispatchQueue' in scope
150 |
151 |     /// Initializes an `OwnedSubscription` with an owner an optional dispatch queue and a closure.
152 |     init(owner: AnyObject, queue: DispatchQueue = .main, action: @escaping (Event) -> Void) {
    |                                   `- error: cannot find type 'DispatchQueue' in scope
153 |         self.owner = owner
154 |         self.queue = queue
/host/spi-builder-workspace/Sources/Signal.swift:67:30: error: generic parameter 'T' could not be inferred
 65 |     public func subscribe(owner: AnyObject, in queue: DispatchQueue = .main, action: @escaping (Event) -> Void) {
 66 |         lock.performWrite {
 67 |             let subscriber = OwnedSubscription(owner: owner, queue: queue, action: action)
    |                              |- error: generic parameter 'T' could not be inferred
    |                              `- note: explicitly specify the generic arguments to fix this issue
 68 |             self.subscriptions.append(subscriber)
 69 |         }
    :
137 | /// The subscription only holds a weak reference to its owner. When the owner is released the subscription becomes
138 | /// stale. Stale subscriptions don't get invoked and they are cleaned up periodically.
139 | private final class OwnedSubscription<T>: Subscription {
    |                                       `- note: 'T' declared as parameter to type 'OwnedSubscription'
140 |     typealias Event = T
141 |
/host/spi-builder-workspace/Sources/Signal.swift:93:42: error: cannot infer contextual base in reference to member 'main'
 91 |     public func filter(where eval: @escaping (Event) -> Bool) -> Signal<Event> {
 92 |         let newSignal = Signal<Event>()
 93 |         subscribe(owner: newSignal, in: .main) { event in
    |                                          `- error: cannot infer contextual base in reference to member 'main'
 94 |             if eval(event) {
 95 |                 newSignal.emit(event)
/host/spi-builder-workspace/Sources/Signal.swift:104:42: error: cannot infer contextual base in reference to member 'main'
102 |     public func map<T>(_ f: @escaping (Event) -> T) -> Signal<T> {
103 |         let newSignal = Signal<T>()
104 |         subscribe(owner: newSignal, in: .main) { event in
    |                                          `- error: cannot infer contextual base in reference to member 'main'
105 |             newSignal.emit(f(event))
106 |         }
/host/spi-builder-workspace/Sources/Signal.swift:113:42: error: cannot infer contextual base in reference to member 'main'
111 |     public func flatMap<T>(_ f: @escaping (Event) -> T?) -> Signal<T> {
112 |         let newSignal = Signal<T>()
113 |         subscribe(owner: newSignal, in: .main) { event in
    |                                          `- error: cannot infer contextual base in reference to member 'main'
114 |             if let e = f(event) {
115 |                 newSignal.emit(e)
[5/5] Compiling Emit RWLock.swift
/host/spi-builder-workspace/Sources/RWLock.swift:23:12: error: cannot find 'pthread_rwlock_init' in scope
21 |     /// Initializes a `RWLock`
22 |     public init() {
23 |         if pthread_rwlock_init(&lock, nil) != 0 {
   |            `- error: cannot find 'pthread_rwlock_init' in scope
24 |             fatalError("Failed to create rwlock")
25 |         }
/host/spi-builder-workspace/Sources/RWLock.swift:23:39: error: 'nil' requires a contextual type
21 |     /// Initializes a `RWLock`
22 |     public init() {
23 |         if pthread_rwlock_init(&lock, nil) != 0 {
   |                                       `- error: 'nil' requires a contextual type
24 |             fatalError("Failed to create rwlock")
25 |         }
/host/spi-builder-workspace/Sources/RWLock.swift:29:9: error: cannot find 'pthread_rwlock_destroy' in scope
27 |
28 |     deinit {
29 |         pthread_rwlock_destroy(&lock)
   |         `- error: cannot find 'pthread_rwlock_destroy' in scope
30 |     }
31 |
/host/spi-builder-workspace/Sources/RWLock.swift:34:9: error: cannot find 'pthread_rwlock_rdlock' in scope
32 |     /// Lock for reading.
33 |     public func lockForReading() {
34 |         pthread_rwlock_rdlock(&lock)
   |         `- error: cannot find 'pthread_rwlock_rdlock' in scope
35 |     }
36 |
/host/spi-builder-workspace/Sources/RWLock.swift:39:9: error: cannot find 'pthread_rwlock_wrlock' in scope
37 |     /// Lock for writing.
38 |     public func lockForWriting() {
39 |         pthread_rwlock_wrlock(&lock)
   |         `- error: cannot find 'pthread_rwlock_wrlock' in scope
40 |     }
41 |
/host/spi-builder-workspace/Sources/RWLock.swift:44:9: error: cannot find 'pthread_rwlock_unlock' in scope
42 |     /// Unlock.
43 |     public func unlock() {
44 |         pthread_rwlock_unlock(&lock)
   |         `- error: cannot find 'pthread_rwlock_unlock' in scope
45 |     }
46 |
BUILD FAILURE 6.1 wasm