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Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build MailCore with Swift 5.9 for macOS (SPM).

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.0.0.app xcrun swift build --arch arm64

Build Log

<?xml version="1.0" encoding="UTF-8"?>
<Error><Code>AccessDenied</Code><Message>Access Denied</Message><RequestId>GH4HDK890Y5SHJDZ</RequestId><HostId>AJpMvM9+8aF0yuXwcf+MoIu32snr3Qf6hhwj2yD6PKU6x3koORVk2V9xsNWV5T2OAVZoYx6tCwU=</HostId></Error>
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.