Swift Package Index

Build Information

Failed to build Superhighway, reference 2.0.1 (7e942d), with Swift 6.3 for Linux on 22 Apr 2026 12:24:50 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/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: 2.0.1
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
 * tag               2.0.1      -> FETCH_HEAD
HEAD is now at 7e942df update CHANGELOG links
Cloned https://github.com/rhysforyou/Superhighway.git
Revision (git rev-parse @):
7e942dfbc799f9c0ea231490a2ce99b8ff78b2d5
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/rhysforyou/Superhighway.git at 2.0.1
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.3
Building package at path:  $PWD
https://github.com/rhysforyou/Superhighway.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/host -w "$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-docc-plugin
[1/2277] Fetching swift-docc-plugin
Fetched https://github.com/apple/swift-docc-plugin from cache (0.55s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.4.6 (1.22s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3674] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (0.66s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (1.66s)
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...
[2/4] Write sources
[3/4] Write swift-version-24593BA9C3E375BF.txt
[5/7] 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>
[6/7] Compiling Superhighway Endpoint.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[7/7] 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