Swift Package IndexBuild Information
Failed to build RxNimble, reference 5.0.4 (ade31d), with Swift 6.3 for Linux on 20 Apr 2026 21:53:25 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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>&1Build Log
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RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/mRs-/RxNimble.git
Reference: 5.0.4
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/mRs-/RxNimble
* tag 5.0.4 -> FETCH_HEAD
HEAD is now at ade31d7 Updated Package.swift
Cloned https://github.com/mRs-/RxNimble.git
Revision (git rev-parse @):
ade31d7f902dc420f4001b202e47657f887e55bc
SUCCESS checkout https://github.com/mRs-/RxNimble.git at 5.0.4
========================================
Build
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Selected platform: linux
Swift version: 6.3
Building package at path: $PWD
https://github.com/mRs-/RxNimble.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$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/ReactiveX/RxSwift
Fetching https://github.com/Quick/Nimble
[1/19823] Fetching nimble
[200/74128] Fetching nimble, rxswift
Fetched https://github.com/Quick/Nimble from cache (6.16s)
Fetched https://github.com/ReactiveX/RxSwift from cache (6.34s)
Computing version for https://github.com/Quick/Nimble
Computed https://github.com/Quick/Nimble at 9.2.1 (6.85s)
Fetching https://github.com/mattgallagher/CwlPreconditionTesting.git
[1/1257] Fetching cwlpreconditiontesting
Fetched https://github.com/mattgallagher/CwlPreconditionTesting.git from cache (0.27s)
Computing version for https://github.com/ReactiveX/RxSwift
Computed https://github.com/ReactiveX/RxSwift at 5.1.3 (0.78s)
Computing version for https://github.com/mattgallagher/CwlPreconditionTesting.git
Computed https://github.com/mattgallagher/CwlPreconditionTesting.git at 2.2.2 (0.41s)
Fetching https://github.com/mattgallagher/CwlCatchException.git
[1/460] Fetching cwlcatchexception
Fetched https://github.com/mattgallagher/CwlCatchException.git from cache (0.23s)
Computing version for https://github.com/mattgallagher/CwlCatchException.git
Computed https://github.com/mattgallagher/CwlCatchException.git at 2.2.1 (0.75s)
Creating working copy for https://github.com/mattgallagher/CwlCatchException.git
Working copy of https://github.com/mattgallagher/CwlCatchException.git resolved at 2.2.1
Creating working copy for https://github.com/mattgallagher/CwlPreconditionTesting.git
Working copy of https://github.com/mattgallagher/CwlPreconditionTesting.git resolved at 2.2.2
Creating working copy for https://github.com/Quick/Nimble
Working copy of https://github.com/Quick/Nimble resolved at 9.2.1
Creating working copy for https://github.com/ReactiveX/RxSwift
Working copy of https://github.com/ReactiveX/RxSwift resolved at 5.1.3
Building for debugging...
[0/6] Write sources
[5/6] Write swift-version-24593BA9C3E375BF.txt
[7/28] Emitting module Nimble
error: emit-module command failed with exit code 1 (use -v to see invocation)
[8/194] Emitting module RxSwift
/host/spi-builder-workspace/.build/checkouts/RxSwift/Sources/RxSwift/AtomicInt.swift:11:13: error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
9 | import class Foundation.NSLock
10 |
11 | final class AtomicInt: NSLock {
| `- error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
12 | fileprivate var value: Int32
13 | public init(_ value: Int32 = 0) {
[9/212] Compiling RxSwift Reactive.swift
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[29/212] Compiling RxSwift AnonymousObserver.swift
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[31/212] Compiling RxSwift AsMaybe.swift
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[111/212] Compiling RxSwift SynchronizedOnType.swift
/host/spi-builder-workspace/.build/checkouts/RxSwift/Sources/RxSwift/AtomicInt.swift:11:13: error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
9 | import class Foundation.NSLock
10 |
11 | final class AtomicInt: NSLock {
| `- error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
12 | fileprivate var value: Int32
13 | public init(_ value: Int32 = 0) {
/host/spi-builder-workspace/.build/checkouts/RxSwift/Sources/RxSwift/AtomicInt.swift:11:13: error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
9 | import class Foundation.NSLock
10 |
11 | final class AtomicInt: NSLock {
| `- error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
12 | fileprivate var value: Int32
13 | public init(_ value: Int32 = 0) {
/host/spi-builder-workspace/.build/checkouts/RxSwift/Sources/RxSwift/AtomicInt.swift:11:13: error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
9 | import class Foundation.NSLock
10 |
11 | final class AtomicInt: NSLock {
| `- error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
12 | fileprivate var value: Int32
13 | public init(_ value: Int32 = 0) {
/host/spi-builder-workspace/.build/checkouts/RxSwift/Sources/RxSwift/AtomicInt.swift:11:13: error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
9 | import class Foundation.NSLock
10 |
11 | final class AtomicInt: NSLock {
| `- error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
12 | fileprivate var value: Int32
13 | public init(_ value: Int32 = 0) {
/host/spi-builder-workspace/.build/checkouts/RxSwift/Sources/RxSwift/AtomicInt.swift:11:13: error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
9 | import class Foundation.NSLock
10 |
11 | final class AtomicInt: NSLock {
| `- error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
12 | fileprivate var value: Int32
13 | public init(_ value: Int32 = 0) {
/host/spi-builder-workspace/.build/checkouts/RxSwift/Sources/RxSwift/AtomicInt.swift:11:13: error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
9 | import class Foundation.NSLock
10 |
11 | final class AtomicInt: NSLock {
| `- error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
12 | fileprivate var value: Int32
13 | public init(_ value: Int32 = 0) {
/host/spi-builder-workspace/.build/checkouts/RxSwift/Sources/RxSwift/AtomicInt.swift:11:13: error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
9 | import class Foundation.NSLock
10 |
11 | final class AtomicInt: NSLock {
| `- error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
12 | fileprivate var value: Int32
13 | public init(_ value: Int32 = 0) {
/host/spi-builder-workspace/.build/checkouts/RxSwift/Sources/RxSwift/AtomicInt.swift:11:13: error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
9 | import class Foundation.NSLock
10 |
11 | final class AtomicInt: NSLock {
| `- error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
12 | fileprivate var value: Int32
13 | public init(_ value: Int32 = 0) {
/host/spi-builder-workspace/.build/checkouts/RxSwift/Sources/RxSwift/AtomicInt.swift:11:13: error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
9 | import class Foundation.NSLock
10 |
11 | final class AtomicInt: NSLock {
| `- error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
12 | fileprivate var value: Int32
13 | public init(_ value: Int32 = 0) {
/host/spi-builder-workspace/.build/checkouts/RxSwift/Sources/RxSwift/AtomicInt.swift:11:13: error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
9 | import class Foundation.NSLock
10 |
11 | final class AtomicInt: NSLock {
| `- error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
12 | fileprivate var value: Int32
13 | public init(_ value: Int32 = 0) {
/host/spi-builder-workspace/.build/checkouts/RxSwift/Sources/RxSwift/AtomicInt.swift:11:13: error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
9 | import class Foundation.NSLock
10 |
11 | final class AtomicInt: NSLock {
| `- error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
12 | fileprivate var value: Int32
13 | public init(_ value: Int32 = 0) {
/host/spi-builder-workspace/.build/checkouts/RxSwift/Sources/RxSwift/AtomicInt.swift:11:13: error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
9 | import class Foundation.NSLock
10 |
11 | final class AtomicInt: NSLock {
| `- error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
12 | fileprivate var value: Int32
13 | public init(_ value: Int32 = 0) {
/host/spi-builder-workspace/.build/checkouts/RxSwift/Sources/RxSwift/AtomicInt.swift:11:13: error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
9 | import class Foundation.NSLock
10 |
11 | final class AtomicInt: NSLock {
| `- error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
12 | fileprivate var value: Int32
13 | public init(_ value: Int32 = 0) {
/host/spi-builder-workspace/.build/checkouts/RxSwift/Sources/RxSwift/AtomicInt.swift:11:13: error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
9 | import class Foundation.NSLock
10 |
11 | final class AtomicInt: NSLock {
| `- error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
12 | fileprivate var value: Int32
13 | public init(_ value: Int32 = 0) {
/host/spi-builder-workspace/.build/checkouts/RxSwift/Sources/RxSwift/AtomicInt.swift:11:13: error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
9 | import class Foundation.NSLock
10 |
11 | final class AtomicInt: NSLock {
| `- error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
12 | fileprivate var value: Int32
13 | public init(_ value: Int32 = 0) {
/host/spi-builder-workspace/.build/checkouts/RxSwift/Sources/RxSwift/AtomicInt.swift:11:13: error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
9 | import class Foundation.NSLock
10 |
11 | final class AtomicInt: NSLock {
| `- error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
12 | fileprivate var value: Int32
13 | public init(_ value: Int32 = 0) {
/host/spi-builder-workspace/.build/checkouts/RxSwift/Sources/RxSwift/AtomicInt.swift:11:13: error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
9 | import class Foundation.NSLock
10 |
11 | final class AtomicInt: NSLock {
| `- error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
12 | fileprivate var value: Int32
13 | public init(_ value: Int32 = 0) {
/host/spi-builder-workspace/.build/checkouts/RxSwift/Sources/RxSwift/AtomicInt.swift:11:13: error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
9 | import class Foundation.NSLock
10 |
11 | final class AtomicInt: NSLock {
| `- error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
12 | fileprivate var value: Int32
13 | public init(_ value: Int32 = 0) {
/host/spi-builder-workspace/.build/checkouts/RxSwift/Sources/RxSwift/AtomicInt.swift:11:13: error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
9 | import class Foundation.NSLock
10 |
11 | final class AtomicInt: NSLock {
| `- error: cannot inherit from class 'NSLock' (compiled with Swift 6.3) because it has overridable members that could not be loaded in Swift 5.10
12 | fileprivate var value: Int32
13 | public init(_ value: Int32 = 0) {
[131/212] Compiling RxSwift Dematerialize.swift
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[133/212] Compiling RxSwift DispatchQueue+Extensions.swift
[134/212] Compiling RxSwift DispatchQueueConfiguration.swift
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BUILD FAILURE 6.3 linux