Swift Package Index

Build Information

Failed to build MicroExpress, reference 0.0.1 (06f66c), with Swift 6.3 for macOS (SPM) on 13 Apr 2026 03:12:20 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/helje5/MicroExpress.git
Reference: 0.0.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/helje5/MicroExpress
 * tag               0.0.1      -> FETCH_HEAD
HEAD is now at 06f66cf Language tag
Cloned https://github.com/helje5/MicroExpress.git
Revision (git rev-parse @):
06f66cf05a8cd8a1e0dca120d615afbc470bde10
SUCCESS checkout https://github.com/helje5/MicroExpress.git at 0.0.1
Fetching https://github.com/swift-server/http
[1/1874] Fetching http
Fetched https://github.com/swift-server/http from cache (1.00s)
Computing version for https://github.com/swift-server/http
Computed https://github.com/swift-server/http at 0.1.0 (1.71s)
Creating working copy for https://github.com/swift-server/http
Working copy of https://github.com/swift-server/http resolved at 0.1.0
========================================
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",
  "traits": [
    "default"
  ],
  "dependencies": [
    {
      "identity": "microexpress",
      "name": "MicroExpress",
      "url": "https://github.com/helje5/MicroExpress.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/MicroExpress",
      "traits": [
        "default"
      ],
      "dependencies": [
        {
          "identity": "http",
          "name": "SwiftServerHttp",
          "url": "https://github.com/swift-server/http",
          "version": "0.1.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/http",
          "traits": [
            "default"
          ],
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/helje5/MicroExpress.git
[1/259] Fetching microexpress
Fetched https://github.com/helje5/MicroExpress.git from cache (0.73s)
Fetching https://github.com/swift-server/http from cache
Fetched https://github.com/swift-server/http from cache (0.43s)
Computing version for https://github.com/swift-server/http
Computed https://github.com/swift-server/http at 0.1.0 (0.49s)
Creating working copy for https://github.com/swift-server/http
Working copy of https://github.com/swift-server/http resolved at 0.1.0
Creating working copy for https://github.com/helje5/MicroExpress.git
Working copy of https://github.com/helje5/MicroExpress.git resolved at 0.0.1 (06f66cf)
warning: '.resolve-product-dependencies': dependency 'microexpress' is not used by any target
Found 1 product dependencies
  - SwiftServerHttp
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/helje5/MicroExpress.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/9] Write sources
[2/9] Write MicroHelloServer-entitlement.plist
[2/9] Write sources
[4/9] Write swift-version--6988338F2F200930.txt
[5/9] Compiling CHTTPParser http_parser.c
[7/20] Compiling HTTP PoCSocketConnectionListener.swift
[8/20] Compiling HTTP PoCSocket.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/http/Sources/HTTP/PoCSocket/PoCSocket.swift:230:51: error: overlapping accesses to 'addr_in', but modification requires exclusive access; consider copying to a local variable [#ExclusivityViolation]
228 |         var addr_in = sockaddr_in()
229 |
230 |         listeningPort = try withUnsafePointer(to: &addr_in) { pointer in
    |                                                   `- error: overlapping accesses to 'addr_in', but modification requires exclusive access; consider copying to a local variable [#ExclusivityViolation]
231 |             var len = socklen_t(MemoryLayout<sockaddr_in>.size)
232 |             if getsockname(socketfd, UnsafeMutablePointer(OpaquePointer(pointer)), &len) != 0 {
    :
236 |                 return Int32(ntohs(addr_in.sin_port))
237 |             #else
238 |                 return Int32(Int(OSHostByteOrder()) != OSLittleEndian ? addr_in.sin_port.littleEndian : addr_in.sin_port.bigEndian)
    |                                                                                 `- note: conflicting access is here
239 |             #endif
240 |         }
[#ExclusivityViolation]: <https://docs.swift.org/compiler/documentation/diagnostics/exclusivity-violation>
[9/21] Compiling HTTP HTTPMethod.swift
[10/21] Compiling HTTP HTTPVersion.swift
[11/21] Emitting module HTTP
[12/21] Compiling HTTP HTTPCommon.swift
[13/21] Compiling HTTP HTTPHeaders.swift
[14/21] Compiling HTTP HTTPResponse.swift
[15/21] Compiling HTTP HTTPServer.swift
[16/21] Compiling HTTP HTTPRequest.swift
[17/21] Compiling HTTP HTTPStreamingParser.swift
[18/21] Compiling HTTP PoCSocketSimpleServer.swift
BUILD FAILURE 6.3 macosSpm