NautilusTelemetry – Build Information

Build Information

Successful build of NautilusTelemetry, reference v1.8.4 (b382e6), with Swift 6.4 for macOS (SPM) on 4 Oct 2026 18:50:36 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 5.1.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/airbnb/NautilusTelemetry.git
Reference: v1.8.4
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/airbnb/NautilusTelemetry
 * tag               v1.8.4     -> FETCH_HEAD
HEAD is now at b382e60 [iOS] Defer cellular telephony initialization in NetworkMonitor (#70)
Cloned https://github.com/airbnb/NautilusTelemetry.git
Revision (git rev-parse @):
b382e601fcc57fe2ad322050d4f4a5fba7526eec
SUCCESS checkout https://github.com/airbnb/NautilusTelemetry.git at v1.8.4
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/airbnb/NautilusTelemetry.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Pre-planning 1 / 124]
[Planning deferred tasks]
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[27 / 45] NautilusTelemetry
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[81 / 99] NautilusTelemetry
[82 / 99] NautilusTelemetry
[90 / 100] NautilusTelemetry
[91 / 100] SampleCode
[94 / 103] SampleCode
[100 / 103] SampleCode
Build complete! (9.81 sec)
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Baggage.swift:56:13: [1;33mwarning: [1;39mstored property 'span' of 'Sendable'-conforming class 'Baggage' has non-Sendable type 'Span'; this is an error in the Swift 6 language mode[0;0m
 [0;36m54 |[0;0m
 [0;36m55 |[0;0m 	/// The parent span this baggage is attached to.
 [0;36m56 |[0;0m 	public let span: Span
    [0;36m|[0;0m             `- [1;33mwarning: [1;39mstored property 'span' of 'Sendable'-conforming class 'Baggage' has non-Sendable type 'Span'; this is an error in the Swift 6 language mode[0;0m
 [0;36m57 |[0;0m
 [0;36m58 |[0;0m 	/// Vend private attributes as a thread-safe copy
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:42:20: [1;39mnote: [1;39mclass 'Span' does not conform to the 'Sendable' protocol[0;0m
 [0;36m40 |[0;0m /// Implements a pared down version of the spec
 [0;36m41 |[0;0m /// Not thread safe -- it's assumed that Span will only be modified from a single thread.
 [0;36m42 |[0;0m public final class Span: TelemetryAttributesContainer, Identifiable {
    [0;36m|[0;0m                    `- [1;39mnote: [1;39mclass 'Span' does not conform to the 'Sendable' protocol[0;0m
 [0;36m43 |[0;0m
 [0;36m44 |[0;0m 	// MARK: Lifecycle
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Baggage.swift:56:13: [1;33mwarning: [1;39mstored property 'span' of 'Sendable'-conforming class 'Baggage' has non-Sendable type 'Span'; this is an error in the Swift 6 language mode[0;0m
 [0;36m54 |[0;0m
 [0;36m55 |[0;0m 	/// The parent span this baggage is attached to.
 [0;36m56 |[0;0m 	public let span: Span
    [0;36m|[0;0m             `- [1;33mwarning: [1;39mstored property 'span' of 'Sendable'-conforming class 'Baggage' has non-Sendable type 'Span'; this is an error in the Swift 6 language mode[0;0m
 [0;36m57 |[0;0m
 [0;36m58 |[0;0m 	/// Vend private attributes as a thread-safe copy
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:42:20: [1;39mnote: [1;39mclass 'Span' does not conform to the 'Sendable' protocol[0;0m
 [0;36m40 |[0;0m /// Implements a pared down version of the spec
 [0;36m41 |[0;0m /// Not thread safe -- it's assumed that Span will only be modified from a single thread.
 [0;36m42 |[0;0m public final class Span: TelemetryAttributesContainer, Identifiable {
    [0;36m|[0;0m                    `- [1;39mnote: [1;39mclass 'Span' does not conform to the 'Sendable' protocol[0;0m
 [0;36m43 |[0;0m
 [0;36m44 |[0;0m 	// MARK: Lifecycle
Build complete.
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Done.