Swift Package IndexBuild Information
Successful build of SwiftCompactor, reference 1.3.0 (5caf0b), with Swift 6.1 for Wasm on 28 May 2025 11:15:21 UTC.
Swift 6 data race errors: 4
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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>&1Build Log
========================================
RunAll
========================================
Builder version: 4.63.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/openalloc/SwiftCompactor.git
Reference: 1.3.0
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/openalloc/SwiftCompactor
* tag 1.3.0 -> FETCH_HEAD
HEAD is now at 5caf0b3 Add support for medium-length abbreviations for time #1
Cloned https://github.com/openalloc/SwiftCompactor.git
Revision (git rev-parse @):
5caf0b3d43ee139fc34673df89c5ad93d2f5078f
SUCCESS checkout https://github.com/openalloc/SwiftCompactor.git at 1.3.0
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.1
Building package at path: $PWD
https://github.com/openalloc/SwiftCompactor.git
https://github.com/openalloc/SwiftCompactor.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
"dependencies" : [
],
"manifest_display_name" : "SwiftCompactor",
"name" : "SwiftCompactor",
"path" : "/host/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "Compactor",
"targets" : [
"Compactor"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "CompactorTests",
"module_type" : "SwiftTarget",
"name" : "CompactorTests",
"path" : "Tests",
"sources" : [
"CurrencyCompactorTests.swift",
"NumberCompactorTests.swift",
"TimeCompactorTests.swift"
],
"target_dependencies" : [
"Compactor"
],
"type" : "test"
},
{
"c99name" : "Compactor",
"module_type" : "SwiftTarget",
"name" : "Compactor",
"path" : "Sources",
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"Compactor"
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"sources" : [
"CurrencyCompactor.swift",
"NumberCompactor+Scale.swift",
"NumberCompactor.swift",
"TimeCompactor+Scale.swift",
"TimeCompactor+Style.swift",
"TimeCompactor.swift"
],
"type" : "library"
}
],
"tools_version" : "5.3"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$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
[3/9] Compiling Compactor CurrencyCompactor.swift
/host/spi-builder-workspace/Sources/CurrencyCompactor.swift:21:14: warning: class 'CurrencyCompactor' must restate inherited '@unchecked Sendable' conformance
19 | import Foundation
20 |
21 | public class CurrencyCompactor: NumberCompactor {
| `- warning: class 'CurrencyCompactor' must restate inherited '@unchecked Sendable' conformance
22 |
23 | @available(*, deprecated, message: "use init(ifZero: String?, roundSmallToWhole: Bool) instead")
[4/9] Emitting module Compactor
/host/spi-builder-workspace/Sources/CurrencyCompactor.swift:21:14: warning: class 'CurrencyCompactor' must restate inherited '@unchecked Sendable' conformance
19 | import Foundation
20 |
21 | public class CurrencyCompactor: NumberCompactor {
| `- warning: class 'CurrencyCompactor' must restate inherited '@unchecked Sendable' conformance
22 |
23 | @available(*, deprecated, message: "use init(ifZero: String?, roundSmallToWhole: Bool) instead")
/host/spi-builder-workspace/Sources/NumberCompactor.swift:21:14: warning: class 'NumberCompactor' must restate inherited '@unchecked Sendable' conformance
19 | import Foundation
20 |
21 | public class NumberCompactor: NumberFormatter {
| `- warning: class 'NumberCompactor' must restate inherited '@unchecked Sendable' conformance
22 |
23 | public var ifZero: String?
/host/spi-builder-workspace/Sources/NumberCompactor.swift:86:24: warning: static property 'halfDollarLookup' is not concurrency-safe because non-'Sendable' type '[NumberCompactor.LOOKUP]' (aka 'Array<(range: Range<Double>, divisor: Double, scale: NumberCompactor.Scale)>') may have shared mutable state; this is an error in the Swift 6 language mode
84 |
85 | // cached lookup tables
86 | private static let halfDollarLookup: [LOOKUP] = NumberCompactor.generateLookup(threshold: halfDollar)
| |- warning: static property 'halfDollarLookup' is not concurrency-safe because non-'Sendable' type '[NumberCompactor.LOOKUP]' (aka 'Array<(range: Range<Double>, divisor: Double, scale: NumberCompactor.Scale)>') may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'halfDollarLookup' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
87 | private static let nickelLookup: [LOOKUP] = NumberCompactor.generateLookup(threshold: nickel)
88 |
/host/spi-builder-workspace/Sources/NumberCompactor+Scale.swift:22:17: note: consider making enum 'Scale' conform to the 'Sendable' protocol
20 |
21 | extension NumberCompactor {
22 | public enum Scale: Int, CaseIterable {
| `- note: consider making enum 'Scale' conform to the 'Sendable' protocol
23 | case none = 0
24 | case kilo = 1
/host/spi-builder-workspace/Sources/NumberCompactor.swift:87:24: warning: static property 'nickelLookup' is not concurrency-safe because non-'Sendable' type '[NumberCompactor.LOOKUP]' (aka 'Array<(range: Range<Double>, divisor: Double, scale: NumberCompactor.Scale)>') may have shared mutable state; this is an error in the Swift 6 language mode
85 | // cached lookup tables
86 | private static let halfDollarLookup: [LOOKUP] = NumberCompactor.generateLookup(threshold: halfDollar)
87 | private static let nickelLookup: [LOOKUP] = NumberCompactor.generateLookup(threshold: nickel)
| |- warning: static property 'nickelLookup' is not concurrency-safe because non-'Sendable' type '[NumberCompactor.LOOKUP]' (aka 'Array<(range: Range<Double>, divisor: Double, scale: NumberCompactor.Scale)>') may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'nickelLookup' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
88 |
89 | static func getThreshold(_ roundSmallToWhole: Bool) -> Double {
/host/spi-builder-workspace/Sources/NumberCompactor+Scale.swift:22:17: note: consider making enum 'Scale' conform to the 'Sendable' protocol
20 |
21 | extension NumberCompactor {
22 | public enum Scale: Int, CaseIterable {
| `- note: consider making enum 'Scale' conform to the 'Sendable' protocol
23 | case none = 0
24 | case kilo = 1
/host/spi-builder-workspace/Sources/TimeCompactor.swift:21:14: warning: class 'TimeCompactor' must restate inherited '@unchecked Sendable' conformance
19 | import Foundation
20 |
21 | public class TimeCompactor: NumberFormatter {
| `- warning: class 'TimeCompactor' must restate inherited '@unchecked Sendable' conformance
22 |
23 | public var ifZero: String?
/host/spi-builder-workspace/Sources/TimeCompactor.swift:101:24: warning: static property 'halfDollarLookup' is not concurrency-safe because non-'Sendable' type '[TimeCompactor.LOOKUP]' (aka 'Array<(range: Range<Double>, divisor: Double, scale: TimeCompactor.Scale)>') may have shared mutable state; this is an error in the Swift 6 language mode
99 |
100 | // cached lookup tables
101 | private static let halfDollarLookup: [LOOKUP] = TimeCompactor.generateLookup(threshold: halfDollar)
| |- warning: static property 'halfDollarLookup' is not concurrency-safe because non-'Sendable' type '[TimeCompactor.LOOKUP]' (aka 'Array<(range: Range<Double>, divisor: Double, scale: TimeCompactor.Scale)>') may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'halfDollarLookup' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
102 | private static let nickelLookup: [LOOKUP] = TimeCompactor.generateLookup(threshold: nickel)
103 |
/host/spi-builder-workspace/Sources/TimeCompactor+Scale.swift:22:17: note: consider making enum 'Scale' conform to the 'Sendable' protocol
20 |
21 | extension TimeCompactor {
22 | public enum Scale {
| `- note: consider making enum 'Scale' conform to the 'Sendable' protocol
23 | case second
24 | case minute
/host/spi-builder-workspace/Sources/TimeCompactor.swift:102:24: warning: static property 'nickelLookup' is not concurrency-safe because non-'Sendable' type '[TimeCompactor.LOOKUP]' (aka 'Array<(range: Range<Double>, divisor: Double, scale: TimeCompactor.Scale)>') may have shared mutable state; this is an error in the Swift 6 language mode
100 | // cached lookup tables
101 | private static let halfDollarLookup: [LOOKUP] = TimeCompactor.generateLookup(threshold: halfDollar)
102 | private static let nickelLookup: [LOOKUP] = TimeCompactor.generateLookup(threshold: nickel)
| |- warning: static property 'nickelLookup' is not concurrency-safe because non-'Sendable' type '[TimeCompactor.LOOKUP]' (aka 'Array<(range: Range<Double>, divisor: Double, scale: TimeCompactor.Scale)>') may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'nickelLookup' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
103 |
104 | static func getThreshold(_ roundSmallToWhole: Bool) -> Double {
/host/spi-builder-workspace/Sources/TimeCompactor+Scale.swift:22:17: note: consider making enum 'Scale' conform to the 'Sendable' protocol
20 |
21 | extension TimeCompactor {
22 | public enum Scale {
| `- note: consider making enum 'Scale' conform to the 'Sendable' protocol
23 | case second
24 | case minute
[5/9] Compiling Compactor TimeCompactor+Style.swift
[6/9] Compiling Compactor TimeCompactor.swift
/host/spi-builder-workspace/Sources/TimeCompactor.swift:21:14: warning: class 'TimeCompactor' must restate inherited '@unchecked Sendable' conformance
19 | import Foundation
20 |
21 | public class TimeCompactor: NumberFormatter {
| `- warning: class 'TimeCompactor' must restate inherited '@unchecked Sendable' conformance
22 |
23 | public var ifZero: String?
/host/spi-builder-workspace/Sources/TimeCompactor.swift:101:24: warning: static property 'halfDollarLookup' is not concurrency-safe because non-'Sendable' type '[TimeCompactor.LOOKUP]' (aka 'Array<(range: Range<Double>, divisor: Double, scale: TimeCompactor.Scale)>') may have shared mutable state; this is an error in the Swift 6 language mode
99 |
100 | // cached lookup tables
101 | private static let halfDollarLookup: [LOOKUP] = TimeCompactor.generateLookup(threshold: halfDollar)
| |- warning: static property 'halfDollarLookup' is not concurrency-safe because non-'Sendable' type '[TimeCompactor.LOOKUP]' (aka 'Array<(range: Range<Double>, divisor: Double, scale: TimeCompactor.Scale)>') may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'halfDollarLookup' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
102 | private static let nickelLookup: [LOOKUP] = TimeCompactor.generateLookup(threshold: nickel)
103 |
/host/spi-builder-workspace/Sources/TimeCompactor+Scale.swift:22:17: note: consider making enum 'Scale' conform to the 'Sendable' protocol
20 |
21 | extension TimeCompactor {
22 | public enum Scale {
| `- note: consider making enum 'Scale' conform to the 'Sendable' protocol
23 | case second
24 | case minute
/host/spi-builder-workspace/Sources/TimeCompactor.swift:102:24: warning: static property 'nickelLookup' is not concurrency-safe because non-'Sendable' type '[TimeCompactor.LOOKUP]' (aka 'Array<(range: Range<Double>, divisor: Double, scale: TimeCompactor.Scale)>') may have shared mutable state; this is an error in the Swift 6 language mode
100 | // cached lookup tables
101 | private static let halfDollarLookup: [LOOKUP] = TimeCompactor.generateLookup(threshold: halfDollar)
102 | private static let nickelLookup: [LOOKUP] = TimeCompactor.generateLookup(threshold: nickel)
| |- warning: static property 'nickelLookup' is not concurrency-safe because non-'Sendable' type '[TimeCompactor.LOOKUP]' (aka 'Array<(range: Range<Double>, divisor: Double, scale: TimeCompactor.Scale)>') may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'nickelLookup' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
103 |
104 | static func getThreshold(_ roundSmallToWhole: Bool) -> Double {
/host/spi-builder-workspace/Sources/TimeCompactor+Scale.swift:22:17: note: consider making enum 'Scale' conform to the 'Sendable' protocol
20 |
21 | extension TimeCompactor {
22 | public enum Scale {
| `- note: consider making enum 'Scale' conform to the 'Sendable' protocol
23 | case second
24 | case minute
[7/9] Compiling Compactor NumberCompactor+Scale.swift
[8/9] Compiling Compactor TimeCompactor+Scale.swift
[9/9] Compiling Compactor NumberCompactor.swift
/host/spi-builder-workspace/Sources/NumberCompactor.swift:21:14: warning: class 'NumberCompactor' must restate inherited '@unchecked Sendable' conformance
19 | import Foundation
20 |
21 | public class NumberCompactor: NumberFormatter {
| `- warning: class 'NumberCompactor' must restate inherited '@unchecked Sendable' conformance
22 |
23 | public var ifZero: String?
/host/spi-builder-workspace/Sources/NumberCompactor.swift:86:24: warning: static property 'halfDollarLookup' is not concurrency-safe because non-'Sendable' type '[NumberCompactor.LOOKUP]' (aka 'Array<(range: Range<Double>, divisor: Double, scale: NumberCompactor.Scale)>') may have shared mutable state; this is an error in the Swift 6 language mode
84 |
85 | // cached lookup tables
86 | private static let halfDollarLookup: [LOOKUP] = NumberCompactor.generateLookup(threshold: halfDollar)
| |- warning: static property 'halfDollarLookup' is not concurrency-safe because non-'Sendable' type '[NumberCompactor.LOOKUP]' (aka 'Array<(range: Range<Double>, divisor: Double, scale: NumberCompactor.Scale)>') may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'halfDollarLookup' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
87 | private static let nickelLookup: [LOOKUP] = NumberCompactor.generateLookup(threshold: nickel)
88 |
/host/spi-builder-workspace/Sources/NumberCompactor+Scale.swift:22:17: note: consider making enum 'Scale' conform to the 'Sendable' protocol
20 |
21 | extension NumberCompactor {
22 | public enum Scale: Int, CaseIterable {
| `- note: consider making enum 'Scale' conform to the 'Sendable' protocol
23 | case none = 0
24 | case kilo = 1
/host/spi-builder-workspace/Sources/NumberCompactor.swift:87:24: warning: static property 'nickelLookup' is not concurrency-safe because non-'Sendable' type '[NumberCompactor.LOOKUP]' (aka 'Array<(range: Range<Double>, divisor: Double, scale: NumberCompactor.Scale)>') may have shared mutable state; this is an error in the Swift 6 language mode
85 | // cached lookup tables
86 | private static let halfDollarLookup: [LOOKUP] = NumberCompactor.generateLookup(threshold: halfDollar)
87 | private static let nickelLookup: [LOOKUP] = NumberCompactor.generateLookup(threshold: nickel)
| |- warning: static property 'nickelLookup' is not concurrency-safe because non-'Sendable' type '[NumberCompactor.LOOKUP]' (aka 'Array<(range: Range<Double>, divisor: Double, scale: NumberCompactor.Scale)>') may have shared mutable state; this is an error in the Swift 6 language mode
| |- note: add '@MainActor' to make static property 'nickelLookup' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
88 |
89 | static func getThreshold(_ roundSmallToWhole: Bool) -> Double {
/host/spi-builder-workspace/Sources/NumberCompactor+Scale.swift:22:17: note: consider making enum 'Scale' conform to the 'Sendable' protocol
20 |
21 | extension NumberCompactor {
22 | public enum Scale: Int, CaseIterable {
| `- note: consider making enum 'Scale' conform to the 'Sendable' protocol
23 | case none = 0
24 | case kilo = 1
Build complete! (6.74s)
Build complete.
{
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],
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"targets" : [
{
"c99name" : "CompactorTests",
"module_type" : "SwiftTarget",
"name" : "CompactorTests",
"path" : "Tests",
"sources" : [
"CurrencyCompactorTests.swift",
"NumberCompactorTests.swift",
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"TimeCompactor.swift"
],
"type" : "library"
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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
Done.