Build Information
Failed to build swift-rfc-5322, reference main (e9864e), with Swift 6.2 for macOS (SPM) on 3 Oct 2026 09:22:44 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.3.0.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 5.1.1
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/swift-ietf/swift-rfc-5322.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swift-ietf/swift-rfc-5322
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at e9864e0 Refuse signed numeric fields and unsigned zones in RFC 5322 date-times
Cloned https://github.com/swift-ietf/swift-rfc-5322.git
Revision (git rev-parse @):
e9864e0e8d7de38612fdd23bd7a5d38f43892ef3
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/swift-ietf/swift-rfc-5322.git at main
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Build
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Selected platform: macosSpm
Swift version: 6.2
Building package at path: $PWD
https://github.com/swift-ietf/swift-rfc-5322.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.3.0.app xcrun swift build --arch arm64
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.4.0 but the installed version is 6.2.4
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.4.0 but the installed version is 6.2.4
BUILD FAILURE 6.2 macosSpm