Swift Package Index

Build Information

Failed to build opentelemetry-swift, reference main (9cc02a), with Swift 6.0 for macOS (SPM) on 30 Jan 2026 08:52:45 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
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Builder version: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/cirruslabs/opentelemetry-swift.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/cirruslabs/opentelemetry-swift
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 9cc02a7 chore(deps): update prom/prometheus:latest docker digest to 1f0f50f (#1027)
Cloned https://github.com/cirruslabs/opentelemetry-swift.git
Revision (git rev-parse @):
9cc02a767c018ae3fb257c3caa944327fbee3c95
SUCCESS checkout https://github.com/cirruslabs/opentelemetry-swift.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/cirruslabs/opentelemetry-swift.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun swift build --arch arm64
Fetching https://github.com/undefinedlabs/opentracing-objc
Fetching https://github.com/apple/swift-log.git
Fetching https://github.com/apple/swift-protobuf.git
Fetching https://github.com/apple/swift-nio.git
Fetching https://github.com/apple/swift-metrics.git
Fetching https://github.com/grpc/grpc-swift.git
Fetching https://github.com/undefinedlabs/Thrift-Swift
[1/652] Fetching thrift-swift
[28/1160] Fetching thrift-swift, opentracing-objc
[441/3719] Fetching thrift-swift, opentracing-objc, swift-metrics
[1211/9603] Fetching thrift-swift, opentracing-objc, swift-metrics, swift-log
[3618/60992] Fetching thrift-swift, opentracing-objc, swift-metrics, swift-log, grpc-swift
[12688/142796] Fetching thrift-swift, opentracing-objc, swift-metrics, swift-log, grpc-swift, swift-nio
[114166/184946] Fetching thrift-swift, opentracing-objc, swift-metrics, swift-log, grpc-swift, swift-nio, swift-protobuf
Fetched https://github.com/apple/swift-nio.git from cache (4.33s)
Fetched https://github.com/apple/swift-metrics.git from cache (4.33s)
Fetched https://github.com/undefinedlabs/Thrift-Swift from cache (4.33s)
Fetching https://github.com/open-telemetry/opentelemetry-swift-core.git
Fetched https://github.com/apple/swift-log.git from cache (4.87s)
Fetched https://github.com/apple/swift-protobuf.git from cache (4.87s)
Fetched https://github.com/undefinedlabs/opentracing-objc from cache (4.87s)
Fetched https://github.com/grpc/grpc-swift.git from cache (4.87s)
[1/13565] Fetching opentelemetry-swift-core
Fetched https://github.com/open-telemetry/opentelemetry-swift-core.git from cache (1.40s)
Computing version for https://github.com/undefinedlabs/opentracing-objc
Computed https://github.com/undefinedlabs/opentracing-objc at 0.5.2 (2.36s)
Computing version for https://github.com/apple/swift-metrics.git
Computed https://github.com/apple/swift-metrics.git at 2.7.1 (0.46s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.9.1 (0.47s)
Computing version for https://github.com/apple/swift-protobuf.git
Computed https://github.com/apple/swift-protobuf.git at 1.33.3 (0.49s)
Computing version for https://github.com/grpc/grpc-swift.git
error: Dependencies could not be resolved because 'grpc-swift' 1.27.0..<1.27.3 contains incompatible tools version (6.1.0) and root depends on 'grpc-swift' 1.27.1.
BUILD FAILURE 6.0 macosSpm