Swift Package Index

Build Information

Failed to build Superhighway, reference main (deb5bc), with Swift 6.3 for Linux on 13 Apr 2026 17:44:20 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/rhysforyou/Superhighway.git
Reference: main
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/rhysforyou/Superhighway
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at deb5bcb add support for swift-http-types
Cloned https://github.com/rhysforyou/Superhighway.git
Revision (git rev-parse @):
deb5bcb28b34fa5f9d47f7a9dbc5e7b82a558d2f
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/rhysforyou/Superhighway.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.3
Building package at path:  $PWD
https://github.com/rhysforyou/Superhighway.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:5a7d791d2ead8a924b1292cb31bf3288eabcfe8880e0b005b00b45b71a5bc36a
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest
Fetching https://github.com/apple/swift-http-types.git
Fetching https://github.com/apple/swift-docc-plugin
[1/1013] Fetching swift-http-types
[72/3284] Fetching swift-http-types, swift-docc-plugin
Fetched https://github.com/apple/swift-http-types.git from cache (0.42s)
[318/2271] Fetching swift-docc-plugin
Fetched https://github.com/apple/swift-docc-plugin from cache (0.61s)
Computing version for https://github.com/apple/swift-http-types.git
Computed https://github.com/apple/swift-http-types.git at 0.2.1 (1.27s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.4.6 (0.57s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3672] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (0.46s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (1.10s)
Creating working copy for https://github.com/apple/swift-http-types.git
Working copy of https://github.com/apple/swift-http-types.git resolved at 0.2.1
Creating working copy for https://github.com/apple/swift-docc-plugin
Working copy of https://github.com/apple/swift-docc-plugin resolved at 1.4.6
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
[1/1] Compiling plugin Swift-DocC Preview
[2/2] Compiling plugin Swift-DocC
Building for debugging...
[2/7] Write sources
[6/7] Write swift-version-24593BA9C3E375BF.txt
[8/17] Compiling HTTPTypes ISOLatin1String.swift
[9/17] Compiling HTTPTypes HTTPResponse.swift
[10/17] Compiling HTTPTypes HTTPRequest.swift
[11/17] Compiling HTTPTypes HTTPField.swift
[12/17] Compiling HTTPTypes HTTPFieldName.swift
[13/17] Emitting module HTTPTypes
[14/17] Compiling HTTPTypes HTTPFields.swift
[15/17] Compiling Superhighway URLSession+Endpoint.swift
/host/spi-builder-workspace/Sources/Superhighway/URLSession+Endpoint.swift:3:8: error: non-nominal type 'URLSession' (aka 'AnyObject') cannot be extended [#NominalTypes]
  1 | import Foundation
  2 |
  3 | public extension URLSession {
    |        `- error: non-nominal type 'URLSession' (aka 'AnyObject') cannot be extended [#NominalTypes]
  4 |   /// Loads an endpoint by creating (and directly resuming) a data task.
  5 |   ///
[#NominalTypes]: <https://docs.swift.org/compiler/documentation/diagnostics/nominal-types>
error: emit-module command failed with exit code 1 (use -v to see invocation)
[17/18] Compiling Superhighway Endpoint.swift
[18/18] Emitting module Superhighway
/host/spi-builder-workspace/Sources/Superhighway/URLSession+Endpoint.swift:3:8: error: non-nominal type 'URLSession' (aka 'AnyObject') cannot be extended [#NominalTypes]
  1 | import Foundation
  2 |
  3 | public extension URLSession {
    |        `- error: non-nominal type 'URLSession' (aka 'AnyObject') cannot be extended [#NominalTypes]
  4 |   /// Loads an endpoint by creating (and directly resuming) a data task.
  5 |   ///
[#NominalTypes]: <https://docs.swift.org/compiler/documentation/diagnostics/nominal-types>
BUILD FAILURE 6.3 linux