Using global state in a Capsule as well as a Template leads to unreachable code being reached at build-time

[Miroito]

This issue is reporting a bug in the code of Perseus. Details of the scope will be available in issue labels.
The author described their issue as follows:

Using global state in a capsule and a template where this capsule is used panics at build-time

The steps to reproduce this issue are as follows:

See MRE.

A minimum reproducible example is available at https://github.com/Miroito/capsule-global-state.

• Hydration-related: false
• The author is willing to attempt a fix: false

Tribble internal data

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[arctic-hen7]

This is actually very easy to fix: Perseus does the logical thing and internally caches any global state from the server the first time it's accessed, but that should not be happening on the server-side, which it is! This should be a trivial fix.

[arctic-hen7]

I'll release v0.4.1 with this fix ASAP.