Swift Package IndexBuild Information
Failed to build SwiftEventBus, reference master (a30ff3), with Swift 6.3 for Wasm on 13 Apr 2026 11:40:08 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1Build Log
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RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/cesarferreira/SwiftEventBus.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/cesarferreira/SwiftEventBus
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at a30ff35 bumped to 5.1.0
Cloned https://github.com/cesarferreira/SwiftEventBus.git
Revision (git rev-parse @):
a30ff35e616f507d8a8d122dac32a2150371a87e
SUCCESS checkout https://github.com/cesarferreira/SwiftEventBus.git at master
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Build
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Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/cesarferreira/SwiftEventBus.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1
wasm-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:d69f4e7582c319245442d62a08b2d7c7fd5a0c0c69f5d2ef11d1530cd8d3329b
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/4] Compiling SwiftEventBus SwiftEventBus.swift
/host/spi-builder-workspace/SwiftEventBus/SwiftEventBus.swift:7:28: error: cannot find 'DispatchQueue' in scope
5 | struct Static {
6 | static let instance = SwiftEventBus()
7 | static let queue = DispatchQueue(label: "com.cesarferreira.SwiftEventBus", attributes: [])
| `- error: cannot find 'DispatchQueue' in scope
8 | }
9 |
/host/spi-builder-workspace/SwiftEventBus/SwiftEventBus.swift:60:86: error: cannot find type 'OperationQueue' in scope
58 |
59 | @discardableResult
60 | open class func on(_ target: AnyObject, name: String, sender: Any? = nil, queue: OperationQueue?, handler: @escaping ((Notification?) -> Void)) -> NSObjectProtocol {
| `- error: cannot find type 'OperationQueue' in scope
61 | let id = UInt(bitPattern: ObjectIdentifier(target))
62 | let observer = NotificationCenter.default.addObserver(forName: NSNotification.Name(rawValue: name), object: sender, queue: queue, using: handler)
/host/spi-builder-workspace/SwiftEventBus/SwiftEventBus.swift:24:36: error: no exact matches in call to instance method 'post'
22 |
23 | open class func post(_ name: String, sender: Any? = nil) {
24 | NotificationCenter.default.post(name: Notification.Name(rawValue: name), object: sender)
| |- error: no exact matches in call to instance method 'post'
| |- note: found candidate with type '(Notification.Name, Notification.Name.Subject) -> ()' (aka '(NSNotification.Name, Notification.Name.Subject) -> ()')
| |- note: found candidate with type '(Notification.Name) -> ()' (aka '(NSNotification.Name) -> ()')
| |- note: found candidate with type '@MainActor (Notification.Name, Notification.Name.Subject) -> ()' (aka '@MainActor (NSNotification.Name, Notification.Name.Subject) -> ()')
| `- note: found candidate with type '@MainActor (Notification.Name) -> ()' (aka '@MainActor (NSNotification.Name) -> ()')
25 | }
26 |
/host/spi-builder-workspace/SwiftEventBus/SwiftEventBus.swift:28:36: error: no exact matches in call to instance method 'post'
26 |
27 | open class func post(_ name: String, sender: NSObject?) {
28 | NotificationCenter.default.post(name: Notification.Name(rawValue: name), object: sender)
| |- error: no exact matches in call to instance method 'post'
| |- note: found candidate with type '(Notification.Name, Notification.Name.Subject) -> ()' (aka '(NSNotification.Name, Notification.Name.Subject) -> ()')
| |- note: found candidate with type '(Notification.Name) -> ()' (aka '(NSNotification.Name) -> ()')
| |- note: found candidate with type '@MainActor (Notification.Name, Notification.Name.Subject) -> ()' (aka '@MainActor (NSNotification.Name, Notification.Name.Subject) -> ()')
| `- note: found candidate with type '@MainActor (Notification.Name) -> ()' (aka '@MainActor (NSNotification.Name) -> ()')
29 | }
30 |
/host/spi-builder-workspace/SwiftEventBus/SwiftEventBus.swift:32:36: error: no exact matches in call to instance method 'post'
30 |
31 | open class func post(_ name: String, sender: Any? = nil, userInfo: [AnyHashable: Any]?) {
32 | NotificationCenter.default.post(name: Notification.Name(rawValue: name), object: sender, userInfo: userInfo)
| |- error: no exact matches in call to instance method 'post'
| |- note: found candidate with type '(Notification.Name, Notification.Name.Subject) -> ()' (aka '(NSNotification.Name, Notification.Name.Subject) -> ()')
| `- note: found candidate with type '@MainActor (Notification.Name, Notification.Name.Subject) -> ()' (aka '@MainActor (NSNotification.Name, Notification.Name.Subject) -> ()')
33 | }
34 |
/host/spi-builder-workspace/SwiftEventBus/SwiftEventBus.swift:36:9: error: cannot find 'DispatchQueue' in scope
34 |
35 | open class func postToMainThread(_ name: String, sender: Any? = nil) {
36 | DispatchQueue.main.async {
| `- error: cannot find 'DispatchQueue' in scope
37 | NotificationCenter.default.post(name: Notification.Name(rawValue: name), object: sender)
38 | }
/host/spi-builder-workspace/SwiftEventBus/SwiftEventBus.swift:37:40: error: no exact matches in call to instance method 'post'
35 | open class func postToMainThread(_ name: String, sender: Any? = nil) {
36 | DispatchQueue.main.async {
37 | NotificationCenter.default.post(name: Notification.Name(rawValue: name), object: sender)
| |- error: no exact matches in call to instance method 'post'
| |- note: found candidate with type '(Notification.Name, Notification.Name.Subject) -> ()' (aka '(NSNotification.Name, Notification.Name.Subject) -> ()')
| |- note: found candidate with type '(Notification.Name) -> ()' (aka '(NSNotification.Name) -> ()')
| |- note: found candidate with type '@MainActor (Notification.Name, Notification.Name.Subject) -> ()' (aka '@MainActor (NSNotification.Name, Notification.Name.Subject) -> ()')
| `- note: found candidate with type '@MainActor (Notification.Name) -> ()' (aka '@MainActor (NSNotification.Name) -> ()')
38 | }
39 | }
/host/spi-builder-workspace/SwiftEventBus/SwiftEventBus.swift:42:9: error: cannot find 'DispatchQueue' in scope
40 |
41 | open class func postToMainThread(_ name: String, sender: NSObject?) {
42 | DispatchQueue.main.async {
| `- error: cannot find 'DispatchQueue' in scope
43 | NotificationCenter.default.post(name: Notification.Name(rawValue: name), object: sender)
44 | }
/host/spi-builder-workspace/SwiftEventBus/SwiftEventBus.swift:43:40: error: no exact matches in call to instance method 'post'
41 | open class func postToMainThread(_ name: String, sender: NSObject?) {
42 | DispatchQueue.main.async {
43 | NotificationCenter.default.post(name: Notification.Name(rawValue: name), object: sender)
| |- error: no exact matches in call to instance method 'post'
| |- note: found candidate with type '(Notification.Name, Notification.Name.Subject) -> ()' (aka '(NSNotification.Name, Notification.Name.Subject) -> ()')
| |- note: found candidate with type '(Notification.Name) -> ()' (aka '(NSNotification.Name) -> ()')
| |- note: found candidate with type '@MainActor (Notification.Name, Notification.Name.Subject) -> ()' (aka '@MainActor (NSNotification.Name, Notification.Name.Subject) -> ()')
| `- note: found candidate with type '@MainActor (Notification.Name) -> ()' (aka '@MainActor (NSNotification.Name) -> ()')
44 | }
45 | }
/host/spi-builder-workspace/SwiftEventBus/SwiftEventBus.swift:48:9: error: cannot find 'DispatchQueue' in scope
46 |
47 | open class func postToMainThread(_ name: String, sender: Any? = nil, userInfo: [AnyHashable: Any]?) {
48 | DispatchQueue.main.async {
| `- error: cannot find 'DispatchQueue' in scope
49 | NotificationCenter.default.post(name: Notification.Name(rawValue: name), object: sender, userInfo: userInfo)
50 | }
/host/spi-builder-workspace/SwiftEventBus/SwiftEventBus.swift:49:40: error: no exact matches in call to instance method 'post'
47 | open class func postToMainThread(_ name: String, sender: Any? = nil, userInfo: [AnyHashable: Any]?) {
48 | DispatchQueue.main.async {
49 | NotificationCenter.default.post(name: Notification.Name(rawValue: name), object: sender, userInfo: userInfo)
| |- error: no exact matches in call to instance method 'post'
| |- note: found candidate with type '(Notification.Name, Notification.Name.Subject) -> ()' (aka '(NSNotification.Name, Notification.Name.Subject) -> ()')
| `- note: found candidate with type '@MainActor (Notification.Name, Notification.Name.Subject) -> ()' (aka '@MainActor (NSNotification.Name, Notification.Name.Subject) -> ()')
50 | }
51 | }
/host/spi-builder-workspace/SwiftEventBus/SwiftEventBus.swift:62:51: error: instance method 'addObserver(of:for:using:)' requires that 'Notification' conform to 'NotificationCenter.MainActorMessage'
60 | open class func on(_ target: AnyObject, name: String, sender: Any? = nil, queue: OperationQueue?, handler: @escaping ((Notification?) -> Void)) -> NSObjectProtocol {
61 | let id = UInt(bitPattern: ObjectIdentifier(target))
62 | let observer = NotificationCenter.default.addObserver(forName: NSNotification.Name(rawValue: name), object: sender, queue: queue, using: handler)
| `- error: instance method 'addObserver(of:for:using:)' requires that 'Notification' conform to 'NotificationCenter.MainActorMessage'
63 | let namedObserver = NamedObserver(observer: observer, name: name)
64 |
FoundationEssentials.NotificationCenter.addObserver:2:13: note: where 'Message' = 'Notification'
1 | class NotificationCenter {
2 | public func addObserver<Message>(of subject: Message.Subject? = nil, for messageType: Message.Type, using observer: @escaping @MainActor (Message) -> Void) -> NotificationCenter.ObservationToken where Message : NotificationCenter.MainActorMessage, Message.Subject : AnyObject}
| `- note: where 'Message' = 'Notification'
3 |
/host/spi-builder-workspace/SwiftEventBus/SwiftEventBus.swift:62:62: error: extra arguments at positions #1, #2, #3 in call
60 | open class func on(_ target: AnyObject, name: String, sender: Any? = nil, queue: OperationQueue?, handler: @escaping ((Notification?) -> Void)) -> NSObjectProtocol {
61 | let id = UInt(bitPattern: ObjectIdentifier(target))
62 | let observer = NotificationCenter.default.addObserver(forName: NSNotification.Name(rawValue: name), object: sender, queue: queue, using: handler)
| `- error: extra arguments at positions #1, #2, #3 in call
63 | let namedObserver = NamedObserver(observer: observer, name: name)
64 |
FoundationEssentials.NotificationCenter.addObserver:2:13: note: 'addObserver(of:for:using:)' declared here
1 | class NotificationCenter {
2 | public func addObserver<Message>(of subject: Message.Subject? = nil, for messageType: Message.Type, using observer: @escaping @MainActor (Message) -> Void) -> NotificationCenter.ObservationToken where Message : NotificationCenter.MainActorMessage, Message.Subject : AnyObject}
| `- note: 'addObserver(of:for:using:)' declared here
3 |
/host/spi-builder-workspace/SwiftEventBus/SwiftEventBus.swift:62:107: error: missing argument for parameter 'for' in call
60 | open class func on(_ target: AnyObject, name: String, sender: Any? = nil, queue: OperationQueue?, handler: @escaping ((Notification?) -> Void)) -> NSObjectProtocol {
61 | let id = UInt(bitPattern: ObjectIdentifier(target))
62 | let observer = NotificationCenter.default.addObserver(forName: NSNotification.Name(rawValue: name), object: sender, queue: queue, using: handler)
| `- error: missing argument for parameter 'for' in call
63 | let namedObserver = NamedObserver(observer: observer, name: name)
64 |
FoundationEssentials.NotificationCenter.addObserver:2:13: note: 'addObserver(of:for:using:)' declared here
1 | class NotificationCenter {
2 | public func addObserver<Message>(of subject: Message.Subject? = nil, for messageType: Message.Type, using observer: @escaping @MainActor (Message) -> Void) -> NotificationCenter.ObservationToken where Message : NotificationCenter.MainActorMessage, Message.Subject : AnyObject}
| `- note: 'addObserver(of:for:using:)' declared here
3 |
/host/spi-builder-workspace/SwiftEventBus/SwiftEventBus.swift:78:76: error: cannot find 'OperationQueue' in scope
76 | @discardableResult
77 | open class func onMainThread(_ target: AnyObject, name: String, sender: Any? = nil, handler: @escaping ((Notification?) -> Void)) -> NSObjectProtocol {
78 | return SwiftEventBus.on(target, name: name, sender: sender, queue: OperationQueue.main, handler: handler)
| `- error: cannot find 'OperationQueue' in scope
79 | }
80 |
/host/spi-builder-workspace/SwiftEventBus/SwiftEventBus.swift:83:76: error: cannot find 'OperationQueue' in scope
81 | @discardableResult
82 | open class func onBackgroundThread(_ target: AnyObject, name: String, sender: Any? = nil, handler: @escaping ((Notification?) -> Void)) -> NSObjectProtocol {
83 | return SwiftEventBus.on(target, name: name, sender: sender, queue: OperationQueue(), handler: handler)
| `- error: cannot find 'OperationQueue' in scope
84 | }
85 |
/host/spi-builder-workspace/SwiftEventBus/SwiftEventBus.swift:97:57: error: cannot convert value of type 'any NSObjectProtocol' to expected argument type 'NotificationCenter.ObservationToken'
95 | if let namedObservers = Static.instance.cache.removeValue(forKey: id) {
96 | for namedObserver in namedObservers {
97 | center.removeObserver(namedObserver.observer)
| `- error: cannot convert value of type 'any NSObjectProtocol' to expected argument type 'NotificationCenter.ObservationToken'
98 | }
99 | }
/host/spi-builder-workspace/SwiftEventBus/SwiftEventBus.swift:111:61: error: cannot convert value of type 'any NSObjectProtocol' to expected argument type 'NotificationCenter.ObservationToken'
109 | Static.instance.cache[id] = namedObservers.filter({ (namedObserver: NamedObserver) -> Bool in
110 | if namedObserver.name == name {
111 | center.removeObserver(namedObserver.observer)
| `- error: cannot convert value of type 'any NSObjectProtocol' to expected argument type 'NotificationCenter.ObservationToken'
112 | return false
113 | } else {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[4/4] Emitting module SwiftEventBus
/host/spi-builder-workspace/SwiftEventBus/SwiftEventBus.swift:7:28: error: cannot find 'DispatchQueue' in scope
5 | struct Static {
6 | static let instance = SwiftEventBus()
7 | static let queue = DispatchQueue(label: "com.cesarferreira.SwiftEventBus", attributes: [])
| `- error: cannot find 'DispatchQueue' in scope
8 | }
9 |
/host/spi-builder-workspace/SwiftEventBus/SwiftEventBus.swift:60:86: error: cannot find type 'OperationQueue' in scope
58 |
59 | @discardableResult
60 | open class func on(_ target: AnyObject, name: String, sender: Any? = nil, queue: OperationQueue?, handler: @escaping ((Notification?) -> Void)) -> NSObjectProtocol {
| `- error: cannot find type 'OperationQueue' in scope
61 | let id = UInt(bitPattern: ObjectIdentifier(target))
62 | let observer = NotificationCenter.default.addObserver(forName: NSNotification.Name(rawValue: name), object: sender, queue: queue, using: handler)
BUILD FAILURE 6.3 wasm