Build Information
Failed to build grpc-swift-protobuf, reference 2.3.0 (8723cf), with Swift 6.0 for macOS (SPM) on 19 Apr 2026 20:34:57 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun swift build --arch arm64Build 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/grpc/grpc-swift-protobuf.git
Reference: 2.3.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/grpc/grpc-swift-protobuf
* tag 2.3.0 -> FETCH_HEAD
HEAD is now at 8723cf8 Drop Swift 6.0 (#98)
Cloned https://github.com/grpc/grpc-swift-protobuf.git
Revision (git rev-parse @):
8723cf856dc23d9c2fad4d874e7b9ed3254acf03
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/grpc/grpc-swift-protobuf.git at 2.3.0
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Build
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Selected platform: macosSpm
Swift version: 6.0
Building package at path: $PWD
https://github.com/grpc/grpc-swift-protobuf.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun swift build --arch arm64
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.1.0 but the installed version is 6.0.3
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.1.0 but the installed version is 6.0.3
BUILD FAILURE 6.0 macosSpm