The Swift Package Index logo.Swift Package Index

Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build Stacked, reference 0.3.1 (b510bc), with Swift 6.0 for macOS (SPM) on 4 Nov 2024 19:40:46 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.56.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ml-archive/stacked.git
Reference: 0.3.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ml-archive/stacked
 * tag               0.3.1      -> FETCH_HEAD
HEAD is now at b510bcb Merge pull request #20 from nodes-vapor/feature/add-library
Cloned https://github.com/ml-archive/stacked.git
Revision (git rev-parse @):
b510bcbd5fb3f84f3a78540a2c508f477ec44de8
SUCCESS checkout https://github.com/ml-archive/stacked.git at 0.3.1
Fetching https://github.com/nodes-vapor/cstack.git
[1/16] Fetching cstack
Fetched https://github.com/nodes-vapor/cstack.git from cache (0.69s)
Computing version for https://github.com/nodes-vapor/cstack.git
Computed https://github.com/nodes-vapor/cstack.git at 1.0.1 (0.65s)
Creating working copy for https://github.com/nodes-vapor/cstack.git
Working copy of https://github.com/nodes-vapor/cstack.git resolved at 1.0.1
========================================
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": "stacked",
      "name": "Stacked",
      "url": "https://github.com/ml-archive/stacked.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/stacked",
      "dependencies": [
        {
          "identity": "cstack",
          "name": "CStack",
          "url": "https://github.com/nodes-vapor/cstack.git",
          "version": "1.0.1",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/cstack",
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/ml-archive/stacked.git
[1/337] Fetching stacked
Fetched https://github.com/ml-archive/stacked.git from cache (0.76s)
Fetching https://github.com/nodes-vapor/cstack.git from cache
Fetched https://github.com/nodes-vapor/cstack.git from cache (0.44s)
Computing version for https://github.com/nodes-vapor/cstack.git
Computed https://github.com/nodes-vapor/cstack.git at 1.0.1 (0.02s)
Creating working copy for https://github.com/nodes-vapor/cstack.git
Working copy of https://github.com/nodes-vapor/cstack.git resolved at 1.0.1
Creating working copy for https://github.com/ml-archive/stacked.git
Working copy of https://github.com/ml-archive/stacked.git resolved at 0.3.1 (b510bcb)
warning: 'cstack': ignoring declared target(s) 'CStack' in the system package
warning: '.resolve-product-dependencies': dependency 'stacked' is not used by any target
Found 1 product dependencies
  - CStack
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/ml-archive/stacked.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version--7754E27361AE5C74.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/4] Emitting module Stacked
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "shim.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/cstack/shim.h:4:10: error: 'stack.h' file not found
2 | #define __CSTACK_SHIM_H__
3 |
4 | #include "stack.h"
  |          `- error: 'stack.h' file not found
5 |
6 | #endif
/Users/admin/builder/spi-builder-workspace/Sources/Stacked/Stacked.swift:1:8: error: could not build Objective-C module 'CStack'
 1 | import CStack
   |        `- error: could not build Objective-C module 'CStack'
 2 | import Foundation
 3 |
[4/4] Compiling Stacked Stacked.swift
<module-includes>:1:9: note: in file included from <module-includes>:1:
1 | #import "shim.h"
  |         `- note: in file included from <module-includes>:1:
2 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/cstack/shim.h:4:10: error: 'stack.h' file not found
2 | #define __CSTACK_SHIM_H__
3 |
4 | #include "stack.h"
  |          `- error: 'stack.h' file not found
5 |
6 | #endif
/Users/admin/builder/spi-builder-workspace/Sources/Stacked/Stacked.swift:1:8: error: could not build Objective-C module 'CStack'
 1 | import CStack
   |        `- error: could not build Objective-C module 'CStack'
 2 | import Foundation
 3 |
warning: 'cstack': ignoring declared target(s) 'CStack' in the system package
warning: failed to retrieve search paths with pkg-config; maybe pkg-config is not installed
warning: you may be able to install cstack using your system-packager:
    brew install vapor/tap/cstack
BUILD FAILURE 6.0 macosSpm