Swift Package Index

Build Information

Failed to build VaporFCM, reference 0.1.5 (794dd9), with Swift 6.1 for watchOS using Xcode 16.3 on 4 Jun 2026 15:26:53 UTC.

Build Command

No build command. This typically means the build failed at an early stage where we determine the build command.

Build Log

========================================
RunAll
========================================
Builder version: undefined version: run 'make version' to update
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/mono0926/vapor-fcm.git
Reference: 0.1.5
WARNING: environment variable BUILD_DOWNSCALING is not set
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/mono0926/vapor-fcm
 * tag               0.1.5      -> FETCH_HEAD
HEAD is now at 794dd90 Fix config resolver
Cloned https://github.com/mono0926/vapor-fcm.git
Revision (git rev-parse @):
794dd90071c4c494a74a1e37d8e19e3c13479d2f
SUCCESS checkout https://github.com/mono0926/vapor-fcm.git at 0.1.5
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/mono0926/vapor-fcm.git
https://github.com/mono0926/vapor-fcm.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "vapor",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/vapor/vapor.git"
    },
    {
      "identity" : "result",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "3.0.0",
            "upper_bound" : "4.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/antitypical/Result.git"
    }
  ],
  "manifest_display_name" : "VaporFCM",
  "name" : "VaporFCM",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "VaporFCM",
      "targets" : [
        "VaporFCM"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "VaporFCMTests",
      "module_type" : "SwiftTarget",
      "name" : "VaporFCMTests",
      "path" : "Tests/VaporFCMTests",
      "sources" : [
        "VaporFCMTests.swift"
      ],
      "target_dependencies" : [
        "VaporFCM"
      ],
      "type" : "test"
    },
    {
      "c99name" : "VaporFCM",
      "module_type" : "SwiftTarget",
      "name" : "VaporFCM",
      "path" : "Sources/VaporFCM",
      "product_dependencies" : [
        "Vapor",
        "Result"
      ],
      "product_memberships" : [
        "VaporFCM"
      ],
      "sources" : [
        "Config+VaporFCM.swift",
        "Dictionary.extension.swift",
        "FCMError.swift",
        "JSON.extension.swift",
        "Notification.swift",
        "Priority.swift",
        "ResponseBody.swift",
        "VaporFCM.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/antitypical/Result.git
Fetching from https://github.com/vapor/vapor.git
package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.1' to specify the current tools versionResolve Package Graph
Updating from https://github.com/antitypical/Result.git
Updating from https://github.com/vapor/vapor.git
package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.1' to specify the current tools versionResolve Package Graph
Updating from https://github.com/vapor/vapor.git
Updating from https://github.com/antitypical/Result.git
package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.1' to specify the current tools version
Resolved source packages:
  spi-builder-workspace: (null)
2026-06-04 08:26:52.030 xcodebuild[526:3034] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-04-06_08-26-0052.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.1' to specify the current tools version
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Updating from https://github.com/antitypical/Result.git
Updating from https://github.com/vapor/vapor.git
package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.1' to specify the current tools version
Resolved source packages:
  spi-builder-workspace: (null)
2026-06-04 08:26:53.602 xcodebuild[779:4158] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-04-06_08-26-0053.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.1' to specify the current tools version
BUILD FAILURE 6.1 watchOS