Swift Package IndexBuild Information
Failed to build AsyncMonitor, reference 0.3.1 (d622d3), with Swift 6.1 for macOS (SPM) on 26 May 2025 05:22:43 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 4.63.1
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/samsonjs/AsyncMonitor.git
Reference: 0.3.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/samsonjs/AsyncMonitor
* tag 0.3.1 -> FETCH_HEAD
HEAD is now at d622d32 Update Readme.md
Cloned https://github.com/samsonjs/AsyncMonitor.git
Revision (git rev-parse @):
d622d32134e6f4bfa5de3f0cd3a33a98a8154b7a
SUCCESS checkout https://github.com/samsonjs/AsyncMonitor.git at 0.3.1
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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",
"dependencies": [
{
"identity": "asyncmonitor",
"name": "AsyncMonitor",
"url": "https://github.com/samsonjs/AsyncMonitor.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/AsyncMonitor",
"dependencies": [
]
}
]
}
Fetching https://github.com/samsonjs/AsyncMonitor.git
[1/93] Fetching asyncmonitor
Fetched https://github.com/samsonjs/AsyncMonitor.git from cache (0.60s)
Creating working copy for https://github.com/samsonjs/AsyncMonitor.git
Working copy of https://github.com/samsonjs/AsyncMonitor.git resolved at 0.3.1 (d622d32)
warning: '.resolve-product-dependencies': dependency 'asyncmonitor' is not used by any target
Found 0 product dependencies
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Build
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Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/samsonjs/AsyncMonitor.git
https://github.com/samsonjs/AsyncMonitor.git
{
"dependencies" : [
],
"manifest_display_name" : "AsyncMonitor",
"name" : "AsyncMonitor",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "17.0"
},
{
"name" : "macos",
"version" : "14.0"
}
],
"products" : [
{
"name" : "AsyncMonitor",
"targets" : [
"AsyncMonitor"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "AsyncMonitorTests",
"module_type" : "SwiftTarget",
"name" : "AsyncMonitorTests",
"path" : "Tests/AsyncMonitorTests",
"sources" : [
"AnyAsyncCancellableTests.swift",
"AsyncCancellableTests.swift",
"AsyncMonitorTests.swift",
"AsyncSequence+Just.swift",
"NSObject+AsyncKVOTests.swift",
"ReadmeExamples.swift",
"TestCancellable.swift"
],
"target_dependencies" : [
"AsyncMonitor"
],
"type" : "test"
},
{
"c99name" : "AsyncMonitor",
"module_type" : "SwiftTarget",
"name" : "AsyncMonitor",
"path" : "Sources/AsyncMonitor",
"product_memberships" : [
"AsyncMonitor"
],
"sources" : [
"AnyAsyncCancellable.swift",
"AsyncCancellable.swift",
"AsyncMonitor.swift",
"AsyncSequence+Extensions.swift",
"NSObject+AsyncKVO.swift",
"ValueLocker.swift"
],
"type" : "library"
}
],
"tools_version" : "6.0"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-2F0A5646E1D333AE.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/9] Compiling AsyncMonitor ValueLocker.swift
[4/9] Compiling AsyncMonitor AsyncCancellable.swift
[5/9] Compiling AsyncMonitor AnyAsyncCancellable.swift
[6/9] Compiling AsyncMonitor NSObject+AsyncKVO.swift
[7/9] Emitting module AsyncMonitor
/Users/admin/builder/spi-builder-workspace/Sources/AsyncMonitor/AsyncMonitor.swift:26:46: error: 'Failure' is only available in macOS 15.0 or newer
11 | /// .store(in: &cancellables)
12 | /// ```
13 | public final class AsyncMonitor: Hashable, AsyncCancellable {
| `- note: add @available attribute to enclosing class
14 | let task: Task<Void, Never>
15 |
:
22 | /// - block: A closure to execute for each element yielded by the sequence.
23 | @available(iOS 18, *)
24 | public init<Element: Sendable>(
| `- note: add @available attribute to enclosing initializer
25 | isolation: isolated (any Actor)? = #isolation,
26 | sequence: any AsyncSequence<Element, Never>,
| `- error: 'Failure' is only available in macOS 15.0 or newer
27 | performing block: @escaping (Element) async -> Void
28 | ) {
/Users/admin/builder/spi-builder-workspace/Sources/AsyncMonitor/AsyncSequence+Extensions.swift:2:57: error: 'Failure' is only available in macOS 15.0 or newer
1 | @available(iOS 18, *)
2 | public extension AsyncSequence where Element: Sendable, Failure == Never {
| | `- error: 'Failure' is only available in macOS 15.0 or newer
| `- note: add @available attribute to enclosing extension
3 | /// Observes the elements yielded by this sequence and executes the given closure with each element.
4 | ///
[8/9] Compiling AsyncMonitor AsyncSequence+Extensions.swift
/Users/admin/builder/spi-builder-workspace/Sources/AsyncMonitor/AsyncSequence+Extensions.swift:2:57: error: 'Failure' is only available in macOS 15.0 or newer
1 | @available(iOS 18, *)
2 | public extension AsyncSequence where Element: Sendable, Failure == Never {
| | `- error: 'Failure' is only available in macOS 15.0 or newer
| `- note: add @available attribute to enclosing extension
3 | /// Observes the elements yielded by this sequence and executes the given closure with each element.
4 | ///
[9/9] Compiling AsyncMonitor AsyncMonitor.swift
/Users/admin/builder/spi-builder-workspace/Sources/AsyncMonitor/AsyncMonitor.swift:26:46: error: 'Failure' is only available in macOS 15.0 or newer
11 | /// .store(in: &cancellables)
12 | /// ```
13 | public final class AsyncMonitor: Hashable, AsyncCancellable {
| `- note: add @available attribute to enclosing class
14 | let task: Task<Void, Never>
15 |
:
22 | /// - block: A closure to execute for each element yielded by the sequence.
23 | @available(iOS 18, *)
24 | public init<Element: Sendable>(
| `- note: add @available attribute to enclosing initializer
25 | isolation: isolated (any Actor)? = #isolation,
26 | sequence: any AsyncSequence<Element, Never>,
| `- error: 'Failure' is only available in macOS 15.0 or newer
27 | performing block: @escaping (Element) async -> Void
28 | ) {
/Users/admin/builder/spi-builder-workspace/Sources/AsyncMonitor/AsyncMonitor.swift:32:17: error: call can throw, but the error is not handled
30 | _ = isolation // use capture trick to inherit isolation
31 |
32 | for await element in sequence {
| `- error: call can throw, but the error is not handled
33 | await block(element)
34 | }
/Users/admin/builder/spi-builder-workspace/Sources/AsyncMonitor/AsyncMonitor.swift:32:13: error: errors thrown from here are not handled
30 | _ = isolation // use capture trick to inherit isolation
31 |
32 | for await element in sequence {
| `- error: errors thrown from here are not handled
33 | await block(element)
34 | }
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-2F0A5646E1D333AE.txt
[2/8] Compiling AsyncMonitor AsyncSequence+Extensions.swift
/Users/admin/builder/spi-builder-workspace/Sources/AsyncMonitor/AsyncSequence+Extensions.swift:2:57: error: 'Failure' is only available in macOS 15.0 or newer
1 | @available(iOS 18, *)
2 | public extension AsyncSequence where Element: Sendable, Failure == Never {
| | `- error: 'Failure' is only available in macOS 15.0 or newer
| `- note: add @available attribute to enclosing extension
3 | /// Observes the elements yielded by this sequence and executes the given closure with each element.
4 | ///
[3/8] Compiling AsyncMonitor ValueLocker.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[4/8] Compiling AsyncMonitor AnyAsyncCancellable.swift
[5/8] Compiling AsyncMonitor AsyncCancellable.swift
[6/8] Compiling AsyncMonitor NSObject+AsyncKVO.swift
[7/8] Emitting module AsyncMonitor
/Users/admin/builder/spi-builder-workspace/Sources/AsyncMonitor/AsyncMonitor.swift:26:46: error: 'Failure' is only available in macOS 15.0 or newer
11 | /// .store(in: &cancellables)
12 | /// ```
13 | public final class AsyncMonitor: Hashable, AsyncCancellable {
| `- note: add @available attribute to enclosing class
14 | let task: Task<Void, Never>
15 |
:
22 | /// - block: A closure to execute for each element yielded by the sequence.
23 | @available(iOS 18, *)
24 | public init<Element: Sendable>(
| `- note: add @available attribute to enclosing initializer
25 | isolation: isolated (any Actor)? = #isolation,
26 | sequence: any AsyncSequence<Element, Never>,
| `- error: 'Failure' is only available in macOS 15.0 or newer
27 | performing block: @escaping (Element) async -> Void
28 | ) {
/Users/admin/builder/spi-builder-workspace/Sources/AsyncMonitor/AsyncSequence+Extensions.swift:2:57: error: 'Failure' is only available in macOS 15.0 or newer
1 | @available(iOS 18, *)
2 | public extension AsyncSequence where Element: Sendable, Failure == Never {
| | `- error: 'Failure' is only available in macOS 15.0 or newer
| `- note: add @available attribute to enclosing extension
3 | /// Observes the elements yielded by this sequence and executes the given closure with each element.
4 | ///
[8/8] Compiling AsyncMonitor AsyncMonitor.swift
/Users/admin/builder/spi-builder-workspace/Sources/AsyncMonitor/AsyncMonitor.swift:26:46: error: 'Failure' is only available in macOS 15.0 or newer
11 | /// .store(in: &cancellables)
12 | /// ```
13 | public final class AsyncMonitor: Hashable, AsyncCancellable {
| `- note: add @available attribute to enclosing class
14 | let task: Task<Void, Never>
15 |
:
22 | /// - block: A closure to execute for each element yielded by the sequence.
23 | @available(iOS 18, *)
24 | public init<Element: Sendable>(
| `- note: add @available attribute to enclosing initializer
25 | isolation: isolated (any Actor)? = #isolation,
26 | sequence: any AsyncSequence<Element, Never>,
| `- error: 'Failure' is only available in macOS 15.0 or newer
27 | performing block: @escaping (Element) async -> Void
28 | ) {
/Users/admin/builder/spi-builder-workspace/Sources/AsyncMonitor/AsyncMonitor.swift:32:17: error: call can throw, but the error is not handled
30 | _ = isolation // use capture trick to inherit isolation
31 |
32 | for await element in sequence {
| `- error: call can throw, but the error is not handled
33 | await block(element)
34 | }
/Users/admin/builder/spi-builder-workspace/Sources/AsyncMonitor/AsyncMonitor.swift:32:13: error: errors thrown from here are not handled
30 | _ = isolation // use capture trick to inherit isolation
31 |
32 | for await element in sequence {
| `- error: errors thrown from here are not handled
33 | await block(element)
34 | }
BUILD FAILURE 6.1 macosSpm