Swift Package Index

Build Information

Failed to build SwiftUISnackbar, reference main (6bfa06), with Swift 6.4 for macOS (SPM) on 22 Sep 2026 01:55:17 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
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Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
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Clone URL: https://github.com/chrisnyw/SwiftUI-Snackbar.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/chrisnyw/SwiftUI-Snackbar
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 6bfa062 Merge pull request #3 from awt2542/main
Cloned https://github.com/chrisnyw/SwiftUI-Snackbar.git
Revision (git rev-parse @):
6bfa062d548daae4b5a0a401908d445b2a4594aa
SUCCESS checkout https://github.com/chrisnyw/SwiftUI-Snackbar.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/chrisnyw/SwiftUI-Snackbar.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Planning deferred tasks]
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[91 / 100] SwiftUISnackbar
error: SwiftCompile normal arm64 failed with a nonzero exit code. Command line:     cd /Users/admin/builder

/Users/admin/builder/spi-builder-workspace/Sources/SwiftUISnackbar/Snackbar.swift:16:9: warning: stored property 'properties' of 'Sendable'-conforming struct 'Snackbar' has non-Sendable type 'Snackbar.Properties'; this is an error in the Swift 6 language mode
14 |     let message: String
15 |     /// Properties of snackbar
16 |     let properties: Properties
   |         `- warning: stored property 'properties' of 'Sendable'-conforming struct 'Snackbar' has non-Sendable type 'Snackbar.Properties'; this is an error in the Swift 6 language mode
17 |     /// An enum icon to be set to snackbar on the left side
18 |     let icon: Icon
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUISnackbar/SnackbarProperties.swift:117:19: note: consider making struct 'Properties' conform to the 'Sendable' protocol
115 |     }
116 |
117 |     public struct Properties: Hashable {
    |                   `- note: consider making struct 'Properties' conform to the 'Sendable' protocol
118 |         /// Configure the snackbar position
119 |         let position: Position
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUISnackbar/Snackbar.swift:18:9: warning: stored property 'icon' of 'Sendable'-conforming struct 'Snackbar' has non-Sendable type 'Snackbar.Icon'; this is an error in the Swift 6 language mode
16 |     let properties: Properties
17 |     /// An enum icon to be set to snackbar on the left side
18 |     let icon: Icon
   |         `- warning: stored property 'icon' of 'Sendable'-conforming struct 'Snackbar' has non-Sendable type 'Snackbar.Icon'; this is an error in the Swift 6 language mode
19 |     /// Configure the action on the right side
20 |     let action: Action
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUISnackbar/SnackbarProperties.swift:48:17: note: consider making enum 'Icon' conform to the 'Sendable' protocol
 46 |     }
 47 |
 48 |     public enum Icon: Hashable {
    |                 `- note: consider making enum 'Icon' conform to the 'Sendable' protocol
 49 |         case none
 50 |         case error
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUISnackbar/Snackbar.swift:20:9: warning: stored property 'action' of 'Sendable'-conforming struct 'Snackbar' has non-Sendable type 'Snackbar.Action'; this is an error in the Swift 6 language mode
18 |     let icon: Icon
19 |     /// Configure the action on the right side
20 |     let action: Action
   |         `- warning: stored property 'action' of 'Sendable'-conforming struct 'Snackbar' has non-Sendable type 'Snackbar.Action'; this is an error in the Swift 6 language mode
21 |     /// Configure the color of background and texts
22 |     let decorator: Decorator
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUISnackbar/SnackbarProperties.swift:58:17: note: consider making enum 'Action' conform to the 'Sendable' protocol
 56 |     }
 57 |
 58 |     public enum Action: Hashable {
    |                 `- note: consider making enum 'Action' conform to the 'Sendable' protocol
 59 |         public func hash(into hasher: inout Hasher) {
 60 |             switch self {
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUISnackbar/Snackbar.swift:22:9: warning: stored property 'decorator' of 'Sendable'-conforming struct 'Snackbar' has non-Sendable type 'Snackbar.Decorator'; this is an error in the Swift 6 language mode
20 |     let action: Action
21 |     /// Configure the color of background and texts
22 |     let decorator: Decorator
   |         `- warning: stored property 'decorator' of 'Sendable'-conforming struct 'Snackbar' has non-Sendable type 'Snackbar.Decorator'; this is an error in the Swift 6 language mode
23 |
24 |     public init(
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUISnackbar/SnackbarProperties.swift:13:19: note: consider making struct 'Decorator' conform to the 'Sendable' protocol
 11 |     typealias ActionHanlder = () -> Void
 12 |
 13 |     public struct Decorator: Equatable {
    |                   `- note: consider making struct 'Decorator' conform to the 'Sendable' protocol
 14 |         /// Set the snackbar maximum width
 15 |         let width: Double
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUISnackbar/SnackbarProperties.swift:13:5: warning: 'public' modifier is redundant for struct declared in a public extension
 11 |     typealias ActionHanlder = () -> Void
 12 |
 13 |     public struct Decorator: Equatable {
    |     `- warning: 'public' modifier is redundant for struct declared in a public extension
 14 |         /// Set the snackbar maximum width
 15 |         let width: Double
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUISnackbar/SnackbarProperties.swift:31:44: error: cannot find 'UIColor' in scope
 29 |         public init(
 30 |             width: Double = .infinity,
 31 |             backgroundColor: Color = Color(UIColor.secondarySystemBackground),
    |                                            `- error: cannot find 'UIColor' in scope
 32 |             titleTextColor: Color = .primary,
 33 |             messageTextColor: Color = .primary,
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUISnackbar/SnackbarProperties.swift:48:5: warning: 'public' modifier is redundant for enum declared in a public extension
 46 |     }
 47 |
 48 |     public enum Icon: Hashable {
    |     `- warning: 'public' modifier is redundant for enum declared in a public extension
 49 |         case none
 50 |         case error
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUISnackbar/SnackbarProperties.swift:58:5: warning: 'public' modifier is redundant for enum declared in a public extension
 56 |     }
 57 |
 58 |     public enum Action: Hashable {
    |     `- warning: 'public' modifier is redundant for enum declared in a public extension
 59 |         public func hash(into hasher: inout Hasher) {
 60 |             switch self {
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUISnackbar/SnackbarProperties.swift:100:5: warning: 'public' modifier is redundant for enum declared in a public extension
 98 |     }
 99 |
100 |     public enum Position: Hashable, CaseIterable {
    |     `- warning: 'public' modifier is redundant for enum declared in a public extension
101 |         public static var allCases: [Snackbar.Position] = [
102 |             .top(offset: 0),
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUISnackbar/SnackbarProperties.swift:112:5: warning: 'public' modifier is redundant for enum declared in a public extension
110 |     }
111 |
112 |     public enum Duration: Hashable {
    |     `- warning: 'public' modifier is redundant for enum declared in a public extension
113 |         case fixed(seconds: TimeInterval)
114 |         case infinite
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUISnackbar/SnackbarProperties.swift:117:5: warning: 'public' modifier is redundant for struct declared in a public extension
115 |     }
116 |
117 |     public struct Properties: Hashable {
    |     `- warning: 'public' modifier is redundant for struct declared in a public extension
118 |         /// Configure the snackbar position
119 |         let position: Position
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/Sources/SwiftUISnackbar/Snackbar.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUISnackbar/SnackbarModifier.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUISnackbar/SnackbarProperties.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUISnackbar/SnackbarView.swift -target arm64-apple-macos12.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libPreviewsMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#PreviewsMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libSwiftUIMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#SwiftUIMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftUISnackbar.build/Debug/SwiftUISnackbar-t.build/Objects-normal/arm64/SwiftUISnackbar-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftExplicitPrecompiledModules -color-diagnostics -Xcc -fcolor-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.build/out/SDKStatCaches.noindex/macosx27.0-26A425-80c5bbf1d171475443272936d42f90a36a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftUISnackbar.build/Debug/SwiftUISnackbar-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftUISnackbar.build/Debug/SwiftUISnackbar-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftUISnackbar.build/Debug/SwiftUISnackbar-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SwiftUISnackbar -package-name spi_builder_workspace -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftUISnackbar.build/Debug/SwiftUISnackbar-t.build/Objects-normal/arm64/SwiftUISnackbar_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-macos27.0 -target-sdk-version 27.0 -target-sdk-name macosx27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftUISnackbar.build/Debug/SwiftUISnackbar-t.build/Objects-normal/arm64/SwiftUISnackbar.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftUISnackbar.build/Debug/SwiftUISnackbar-t.build/Objects-normal/arm64/SwiftUISnackbar.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftUISnackbar.build/Debug/SwiftUISnackbar-t.build/Objects-normal/arm64/SwiftUISnackbar-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftUISnackbar.build/Debug/SwiftUISnackbar-t.build/Objects-normal/arm64/SwiftUISnackbar-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftUISnackbar.build/Debug/SwiftUISnackbar-t.build/Objects-normal/arm64/SwiftUISnackbar-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftUISnackbar.build/Debug/SwiftUISnackbar-t.build/Objects-normal/arm64/SwiftUISnackbar.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftUISnackbar.build/Debug/SwiftUISnackbar-t.build/Objects-normal/arm64/SwiftUISnackbar.abi.json
error: Build failed
BUILD FAILURE 6.4 macosSpm