Swift Package IndexBuild Information
Successful build of WaterfallGrid, reference 1.1.0 (c7c086), with Swift 6.1 for macOS (SPM) on 29 Apr 2025 04:45:42 UTC.
Swift 6 data race errors: 1
Build Command
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -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 InferSendableFromCapturesBuild Log
========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/paololeonardi/WaterfallGrid.git
Reference: 1.1.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/paololeonardi/WaterfallGrid
* tag 1.1.0 -> FETCH_HEAD
HEAD is now at c7c0865 Merge pull request #72 from paololeonardi/visionOS
Cloned https://github.com/paololeonardi/WaterfallGrid.git
Revision (git rev-parse @):
c7c08652c3540adf8e48409c351879b4caea7e89
SUCCESS checkout https://github.com/paololeonardi/WaterfallGrid.git at 1.1.0
========================================
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": "waterfallgrid",
"name": "WaterfallGrid",
"url": "https://github.com/paololeonardi/WaterfallGrid.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/WaterfallGrid",
"dependencies": [
]
}
]
}
Fetching https://github.com/paololeonardi/WaterfallGrid.git
[1/653] Fetching waterfallgrid
Fetched https://github.com/paololeonardi/WaterfallGrid.git from cache (1.18s)
Creating working copy for https://github.com/paololeonardi/WaterfallGrid.git
Working copy of https://github.com/paololeonardi/WaterfallGrid.git resolved at 1.1.0 (c7c0865)
warning: '.resolve-product-dependencies': dependency 'waterfallgrid' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/paololeonardi/WaterfallGrid.git
https://github.com/paololeonardi/WaterfallGrid.git
{
"dependencies" : [
],
"manifest_display_name" : "WaterfallGrid",
"name" : "WaterfallGrid",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "13.0"
},
{
"name" : "macos",
"version" : "10.15"
},
{
"name" : "tvos",
"version" : "13.0"
},
{
"name" : "visionos",
"version" : "1.0"
},
{
"name" : "watchos",
"version" : "6.0"
}
],
"products" : [
{
"name" : "WaterfallGrid",
"targets" : [
"WaterfallGrid"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "WaterfallGridTests",
"module_type" : "SwiftTarget",
"name" : "WaterfallGridTests",
"path" : "Tests/WaterfallGridTests",
"sources" : [
"PositiveNumberTests.swift",
"WaterfallGridTests.swift",
"XCTestManifests.swift"
],
"target_dependencies" : [
"WaterfallGrid"
],
"type" : "test"
},
{
"c99name" : "WaterfallGrid",
"module_type" : "SwiftTarget",
"name" : "WaterfallGrid",
"path" : "Sources/WaterfallGrid",
"product_memberships" : [
"WaterfallGrid"
],
"sources" : [
"Environment/GridSyle.swift",
"Environment/PositiveNumber.swift",
"Environment/ScrollOptions.swift",
"Preference/ElementPreference.swift",
"Preference/PreferenceSetter.swift",
"View+GridStyle.swift",
"View+ScrollOptions.swift",
"WaterfallGrid.swift"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
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 -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
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-2F0A5646E1D333AE.txt
[3/11] Compiling WaterfallGrid View+ScrollOptions.swift
[4/11] Compiling WaterfallGrid ElementPreference.swift
/Users/admin/builder/spi-builder-workspace/Sources/WaterfallGrid/Preference/ElementPreference.swift:17:16: warning: static property 'defaultValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
15 | typealias Value = [ElementPreferenceData]
16 |
17 | static var defaultValue: [ElementPreferenceData] = []
| |- warning: static property 'defaultValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'defaultValue' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'defaultValue' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
18 |
19 | static func reduce(value: inout [ElementPreferenceData], nextValue: () -> [ElementPreferenceData]) {
[5/11] Compiling WaterfallGrid PreferenceSetter.swift
[6/11] Compiling WaterfallGrid ScrollOptions.swift
[7/11] Compiling WaterfallGrid PositiveNumber.swift
[8/11] Compiling WaterfallGrid WaterfallGrid.swift
/Users/admin/builder/spi-builder-workspace/Sources/WaterfallGrid/WaterfallGrid.swift:36:107: warning: capture of 'preferences' with non-sendable type 'ElementPreferenceKey.Value' (aka 'Array<ElementPreferenceData>') in a '@Sendable' closure
34 | spacing: self.style.spacing,
35 | scrollDirection: self.scrollOptions.direction,
36 | preferences: preferences)
| `- warning: capture of 'preferences' with non-sendable type 'ElementPreferenceKey.Value' (aka 'Array<ElementPreferenceData>') in a '@Sendable' closure
37 | DispatchQueue.main.async {
38 | self.alignmentGuides = alignmentGuides
/Users/admin/builder/spi-builder-workspace/Sources/WaterfallGrid/Preference/ElementPreference.swift:9:8: note: consider making struct 'ElementPreferenceData' conform to the 'Sendable' protocol
7 | import SwiftUI
8 |
9 | struct ElementPreferenceData: Equatable {
| `- note: consider making struct 'ElementPreferenceData' conform to the 'Sendable' protocol
10 | let id: AnyHashable
11 | let size: CGSize
/Users/admin/builder/spi-builder-workspace/Sources/WaterfallGrid/WaterfallGrid.swift:33:70: warning: call to main actor-isolated instance method 'alignmentsAndGridHeight(columns:spacing:scrollDirection:preferences:)' in a synchronous nonisolated context; this is an error in the Swift 6 language mode
31 | .onPreferenceChange(ElementPreferenceKey.self, perform: { preferences in
32 | DispatchQueue.global(qos: .userInteractive).async {
33 | let (alignmentGuides, gridHeight) = self.alignmentsAndGridHeight(columns: self.style.columns,
| `- warning: call to main actor-isolated instance method 'alignmentsAndGridHeight(columns:spacing:scrollDirection:preferences:)' in a synchronous nonisolated context; this is an error in the Swift 6 language mode
34 | spacing: self.style.spacing,
35 | scrollDirection: self.scrollOptions.direction,
:
67 | // MARK: - Helpers
68 |
69 | func alignmentsAndGridHeight(columns: Int, spacing: CGFloat, scrollDirection: Axis.Set, preferences: [ElementPreferenceData]) -> ([AnyHashable: CGPoint], CGFloat) {
| |- note: calls to instance method 'alignmentsAndGridHeight(columns:spacing:scrollDirection:preferences:)' from outside of its actor context are implicitly asynchronous
| `- note: main actor isolation inferred from conformance to protocol 'View'
70 | var heights = Array(repeating: CGFloat(0), count: columns)
71 | var alignmentGuides = [AnyHashable: CGPoint]()
/Users/admin/builder/spi-builder-workspace/Sources/WaterfallGrid/WaterfallGrid.swift:33:108: warning: main actor-isolated property 'style' can not be referenced from a Sendable closure; this is an error in the Swift 6 language mode
11 | public struct WaterfallGrid<Data, ID, Content>: View where Data : RandomAccessCollection, Content : View, ID : Hashable {
12 |
13 | @Environment(\.gridStyle) private var style
| `- note: property declared here
14 | @Environment(\.scrollOptions) private var scrollOptions
15 |
:
31 | .onPreferenceChange(ElementPreferenceKey.self, perform: { preferences in
32 | DispatchQueue.global(qos: .userInteractive).async {
33 | let (alignmentGuides, gridHeight) = self.alignmentsAndGridHeight(columns: self.style.columns,
| `- warning: main actor-isolated property 'style' can not be referenced from a Sendable closure; this is an error in the Swift 6 language mode
34 | spacing: self.style.spacing,
35 | scrollDirection: self.scrollOptions.direction,
/Users/admin/builder/spi-builder-workspace/Sources/WaterfallGrid/WaterfallGrid.swift:34:108: warning: main actor-isolated property 'style' can not be referenced from a Sendable closure; this is an error in the Swift 6 language mode
11 | public struct WaterfallGrid<Data, ID, Content>: View where Data : RandomAccessCollection, Content : View, ID : Hashable {
12 |
13 | @Environment(\.gridStyle) private var style
| `- note: property declared here
14 | @Environment(\.scrollOptions) private var scrollOptions
15 |
:
32 | DispatchQueue.global(qos: .userInteractive).async {
33 | let (alignmentGuides, gridHeight) = self.alignmentsAndGridHeight(columns: self.style.columns,
34 | spacing: self.style.spacing,
| `- warning: main actor-isolated property 'style' can not be referenced from a Sendable closure; this is an error in the Swift 6 language mode
35 | scrollDirection: self.scrollOptions.direction,
36 | preferences: preferences)
/Users/admin/builder/spi-builder-workspace/Sources/WaterfallGrid/WaterfallGrid.swift:35:116: warning: main actor-isolated property 'scrollOptions' can not be referenced from a Sendable closure; this is an error in the Swift 6 language mode
12 |
13 | @Environment(\.gridStyle) private var style
14 | @Environment(\.scrollOptions) private var scrollOptions
| `- note: property declared here
15 |
16 | private let data: Data
:
33 | let (alignmentGuides, gridHeight) = self.alignmentsAndGridHeight(columns: self.style.columns,
34 | spacing: self.style.spacing,
35 | scrollDirection: self.scrollOptions.direction,
| `- warning: main actor-isolated property 'scrollOptions' can not be referenced from a Sendable closure; this is an error in the Swift 6 language mode
36 | preferences: preferences)
37 | DispatchQueue.main.async {
/Users/admin/builder/spi-builder-workspace/Sources/WaterfallGrid/WaterfallGrid.swift:59:89: warning: capture of 'element' with non-sendable type 'Data.Element' in a '@Sendable' closure
57 | height: self.scrollOptions.direction == .horizontal ? columnWidth : nil)
58 | .background(PreferenceSetter(id: element[keyPath: self.dataId]))
59 | .alignmentGuide(.top, computeValue: { _ in self.alignmentGuides[element[keyPath: self.dataId]]?.y ?? 0 })
| `- warning: capture of 'element' with non-sendable type 'Data.Element' in a '@Sendable' closure
60 | .alignmentGuide(.leading, computeValue: { _ in self.alignmentGuides[element[keyPath: self.dataId]]?.x ?? 0 })
61 | .opacity(self.alignmentGuides[element[keyPath: self.dataId]] != nil ? 1 : 0)
/Users/admin/builder/spi-builder-workspace/Sources/WaterfallGrid/WaterfallGrid.swift:59:73: warning: main actor-isolated property 'alignmentGuides' can not be referenced from a Sendable closure; this is an error in the Swift 6 language mode
21 | @State private var gridHeight: CGFloat = 0
22 |
23 | @State private var alignmentGuides = [AnyHashable: CGPoint]() {
| `- note: property declared here
24 | didSet { loaded = !oldValue.isEmpty }
25 | }
:
57 | height: self.scrollOptions.direction == .horizontal ? columnWidth : nil)
58 | .background(PreferenceSetter(id: element[keyPath: self.dataId]))
59 | .alignmentGuide(.top, computeValue: { _ in self.alignmentGuides[element[keyPath: self.dataId]]?.y ?? 0 })
| `- warning: main actor-isolated property 'alignmentGuides' can not be referenced from a Sendable closure; this is an error in the Swift 6 language mode
60 | .alignmentGuide(.leading, computeValue: { _ in self.alignmentGuides[element[keyPath: self.dataId]]?.x ?? 0 })
61 | .opacity(self.alignmentGuides[element[keyPath: self.dataId]] != nil ? 1 : 0)
/Users/admin/builder/spi-builder-workspace/Sources/WaterfallGrid/WaterfallGrid.swift:59:111: warning: main actor-isolated property 'dataId' can not be referenced from a Sendable closure; this is an error in the Swift 6 language mode
15 |
16 | private let data: Data
17 | private let dataId: KeyPath<Data.Element, ID>
| `- note: property declared here
18 | private let content: (Data.Element) -> Content
19 |
:
57 | height: self.scrollOptions.direction == .horizontal ? columnWidth : nil)
58 | .background(PreferenceSetter(id: element[keyPath: self.dataId]))
59 | .alignmentGuide(.top, computeValue: { _ in self.alignmentGuides[element[keyPath: self.dataId]]?.y ?? 0 })
| `- warning: main actor-isolated property 'dataId' can not be referenced from a Sendable closure; this is an error in the Swift 6 language mode
60 | .alignmentGuide(.leading, computeValue: { _ in self.alignmentGuides[element[keyPath: self.dataId]]?.x ?? 0 })
61 | .opacity(self.alignmentGuides[element[keyPath: self.dataId]] != nil ? 1 : 0)
/Users/admin/builder/spi-builder-workspace/Sources/WaterfallGrid/WaterfallGrid.swift:60:93: warning: capture of 'element' with non-sendable type 'Data.Element' in a '@Sendable' closure
58 | .background(PreferenceSetter(id: element[keyPath: self.dataId]))
59 | .alignmentGuide(.top, computeValue: { _ in self.alignmentGuides[element[keyPath: self.dataId]]?.y ?? 0 })
60 | .alignmentGuide(.leading, computeValue: { _ in self.alignmentGuides[element[keyPath: self.dataId]]?.x ?? 0 })
| `- warning: capture of 'element' with non-sendable type 'Data.Element' in a '@Sendable' closure
61 | .opacity(self.alignmentGuides[element[keyPath: self.dataId]] != nil ? 1 : 0)
62 | }
/Users/admin/builder/spi-builder-workspace/Sources/WaterfallGrid/WaterfallGrid.swift:60:77: warning: main actor-isolated property 'alignmentGuides' can not be referenced from a Sendable closure; this is an error in the Swift 6 language mode
21 | @State private var gridHeight: CGFloat = 0
22 |
23 | @State private var alignmentGuides = [AnyHashable: CGPoint]() {
| `- note: property declared here
24 | didSet { loaded = !oldValue.isEmpty }
25 | }
:
58 | .background(PreferenceSetter(id: element[keyPath: self.dataId]))
59 | .alignmentGuide(.top, computeValue: { _ in self.alignmentGuides[element[keyPath: self.dataId]]?.y ?? 0 })
60 | .alignmentGuide(.leading, computeValue: { _ in self.alignmentGuides[element[keyPath: self.dataId]]?.x ?? 0 })
| `- warning: main actor-isolated property 'alignmentGuides' can not be referenced from a Sendable closure; this is an error in the Swift 6 language mode
61 | .opacity(self.alignmentGuides[element[keyPath: self.dataId]] != nil ? 1 : 0)
62 | }
/Users/admin/builder/spi-builder-workspace/Sources/WaterfallGrid/WaterfallGrid.swift:60:115: warning: main actor-isolated property 'dataId' can not be referenced from a Sendable closure; this is an error in the Swift 6 language mode
15 |
16 | private let data: Data
17 | private let dataId: KeyPath<Data.Element, ID>
| `- note: property declared here
18 | private let content: (Data.Element) -> Content
19 |
:
58 | .background(PreferenceSetter(id: element[keyPath: self.dataId]))
59 | .alignmentGuide(.top, computeValue: { _ in self.alignmentGuides[element[keyPath: self.dataId]]?.y ?? 0 })
60 | .alignmentGuide(.leading, computeValue: { _ in self.alignmentGuides[element[keyPath: self.dataId]]?.x ?? 0 })
| `- warning: main actor-isolated property 'dataId' can not be referenced from a Sendable closure; this is an error in the Swift 6 language mode
61 | .opacity(self.alignmentGuides[element[keyPath: self.dataId]] != nil ? 1 : 0)
62 | }
[9/11] Emitting module WaterfallGrid
/Users/admin/builder/spi-builder-workspace/Sources/WaterfallGrid/Preference/ElementPreference.swift:17:16: warning: static property 'defaultValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
15 | typealias Value = [ElementPreferenceData]
16 |
17 | static var defaultValue: [ElementPreferenceData] = []
| |- warning: static property 'defaultValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'defaultValue' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'defaultValue' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
18 |
19 | static func reduce(value: inout [ElementPreferenceData], nextValue: () -> [ElementPreferenceData]) {
[10/11] Compiling WaterfallGrid View+GridStyle.swift
[11/11] Compiling WaterfallGrid GridSyle.swift
Build complete! (9.27s)
Build complete.
{
"dependencies" : [
],
"manifest_display_name" : "WaterfallGrid",
"name" : "WaterfallGrid",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "13.0"
},
{
"name" : "macos",
"version" : "10.15"
},
{
"name" : "tvos",
"version" : "13.0"
},
{
"name" : "visionos",
"version" : "1.0"
},
{
"name" : "watchos",
"version" : "6.0"
}
],
"products" : [
{
"name" : "WaterfallGrid",
"targets" : [
"WaterfallGrid"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "WaterfallGridTests",
"module_type" : "SwiftTarget",
"name" : "WaterfallGridTests",
"path" : "Tests/WaterfallGridTests",
"sources" : [
"PositiveNumberTests.swift",
"WaterfallGridTests.swift",
"XCTestManifests.swift"
],
"target_dependencies" : [
"WaterfallGrid"
],
"type" : "test"
},
{
"c99name" : "WaterfallGrid",
"module_type" : "SwiftTarget",
"name" : "WaterfallGrid",
"path" : "Sources/WaterfallGrid",
"product_memberships" : [
"WaterfallGrid"
],
"sources" : [
"Environment/GridSyle.swift",
"Environment/PositiveNumber.swift",
"Environment/ScrollOptions.swift",
"Preference/ElementPreference.swift",
"Preference/PreferenceSetter.swift",
"View+GridStyle.swift",
"View+ScrollOptions.swift",
"WaterfallGrid.swift"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
Done.