The Swift Package Index logo.Swift Package Index

Has it really been five years since Swift Package Index launched? Read our anniversary blog post!

Build Information

Successful build of Cheetah, reference 2.0.3-swift5 (50f960), with Swift 6.1 for Wasm on 27 May 2025 18:40:12 UTC.

Swift 6 data race errors: 0

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/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

Build Log

========================================
RunAll
========================================
Builder version: 4.63.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/OpenKitten/Cheetah.git
Reference: 2.0.3-swift5
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/OpenKitten/Cheetah
 * tag               2.0.3-swift5 -> FETCH_HEAD
HEAD is now at 50f9605 Swift 5 support
Cloned https://github.com/OpenKitten/Cheetah.git
Revision (git rev-parse @):
50f9605735311aaecba33c7d162f198d45c07e0d
SUCCESS checkout https://github.com/OpenKitten/Cheetah.git at 2.0.3-swift5
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/OpenKitten/Cheetah.git
https://github.com/OpenKitten/Cheetah.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Cheetah",
  "name" : "Cheetah",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Cheetah",
      "targets" : [
        "Cheetah"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "Cheetah",
      "module_type" : "SwiftTarget",
      "name" : "Cheetah",
      "path" : "Sources/Cheetah",
      "product_memberships" : [
        "Cheetah"
      ],
      "sources" : [
        "Array.swift",
        "Codable.swift",
        "Helpers.swift",
        "InternalHelpers.swift",
        "Object.swift",
        "Parser.swift",
        "Value.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$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
[3/10] Compiling Cheetah Helpers.swift
[4/10] Emitting module Cheetah
[5/10] Compiling Cheetah Object.swift
[6/10] Compiling Cheetah Parser.swift
/host/spi-builder-workspace/Sources/Cheetah/Parser.swift:219:47: warning: 'characters' is deprecated: Please use String directly
217 |             var prefix = prefix
218 |
219 |             if negate && autoNegate && prefix.characters.first != "-" {
    |                                               `- warning: 'characters' is deprecated: Please use String directly
220 |                 prefix = "-" + prefix
221 |             }
/host/spi-builder-workspace/Sources/Cheetah/Parser.swift:231:26: warning: 'characters' is deprecated: Please use String directly
229 |             }
230 |
231 |             guard number.characters.count > 0 else {
    |                          `- warning: 'characters' is deprecated: Please use String directly
232 |                 return nil
233 |             }
[7/10] Compiling Cheetah InternalHelpers.swift
[8/10] Compiling Cheetah Codable.swift
/host/spi-builder-workspace/Sources/Cheetah/Codable.swift:655:43: warning: 'flatMap' is deprecated: Please use compactMap(_:) for the case where closure returns an optional value
653 |
654 |     var allKeys: [Key] {
655 |         return decoder.target.object.keys.flatMap { Key(stringValue: $0) }
    |                                           |- warning: 'flatMap' is deprecated: Please use compactMap(_:) for the case where closure returns an optional value
    |                                           `- note: use 'compactMap(_:)' instead
656 |     }
657 |
/host/spi-builder-workspace/Sources/Cheetah/Codable.swift:624:20: warning: function call causes an infinite recursion
622 |
623 |     func unwrap(_ value: Value?) throws -> UInt64 {
624 |         return try unwrap(value)
    |                    `- warning: function call causes an infinite recursion
625 |     }
626 |
[9/10] Compiling Cheetah Array.swift
[10/10] Compiling Cheetah Value.swift
/host/spi-builder-workspace/Sources/Cheetah/Value.swift:103:24: warning: 'characters' is deprecated: Please use String directly
101 |                 buffer.append(contentsOf: "\\u".utf8)
102 |                 let str = String(char, radix: 16, uppercase: true)
103 |                 if str.characters.count == 1 {
    |                        `- warning: 'characters' is deprecated: Please use String directly
104 |                     buffer.append(contentsOf: "000\(str)".utf8)
105 |                 } else {
/host/spi-builder-workspace/Sources/Cheetah/Value.swift:170:26: warning: 'flatMap' is deprecated: Please use compactMap(_:) for the case where closure returns an optional value
168 | extension Array : CheetahValue {
169 |     public func serialize() -> [UInt8] {
170 |         let array = self.flatMap { value -> CheetahValue? in
    |                          |- warning: 'flatMap' is deprecated: Please use compactMap(_:) for the case where closure returns an optional value
    |                          `- note: use 'compactMap(_:)' instead
171 |             guard let value = value as? CheetahValue else {
172 |                 let error = "Only [Cheetah.Value] arrays are Cheetah.Value. Tried to initialize a JSONArray using [\(Element.self)]. This will crash on debug and print this message on release configurations."
Build complete! (6.47s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Cheetah",
  "name" : "Cheetah",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Cheetah",
      "targets" : [
        "Cheetah"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "Cheetah",
      "module_type" : "SwiftTarget",
      "name" : "Cheetah",
      "path" : "Sources/Cheetah",
      "product_memberships" : [
        "Cheetah"
      ],
      "sources" : [
        "Array.swift",
        "Codable.swift",
        "Helpers.swift",
        "InternalHelpers.swift",
        "Object.swift",
        "Parser.swift",
        "Value.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
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.