swift-syntax prebuilt not loaded/used

[MahdiBM]

Is it reproducible with SwiftPM command-line tools: swift build, swift test, swift package etc?

• Confirmed reproduction steps with SwiftPM CLI. The description text must include reproduction steps with either of command-line SwiftPM commands, swift build, swift test, swift package etc.

Description

I'm having difficulty using prebuilts with https://github.com/vapor/penny-bot.

I've already gotten prebuilts to work on other projects like https://github.com/MahdiBM/enumerator-macro so I'm guessing that prebuilts aren't working on Penny because Penny doesn't depend on SwiftSyntax directly? That's only a guess though.

Expected behavior

Prebuilts should be downloaded and all.

Actual behavior

No prebuilts. ~/.swiftpm/cache/prebuilts is empty unlike when using other projects.

Steps to reproduce

No response

Swift Package Manager version/commit hash

No response

Swift & OS version (output of swift --version ; uname -a)

No response

[MahdiBM]

cc @dschaefer2 since I know you're taking care of the prebuilt issues.