How to use juliac.jl?

[abraemer]

If you are using juliaup maybe you ran into this:

@ararslan

Apologies to anybody who ran into issues yesterday; the permissions on the binaries were initially set incorrectly, which cascaded through the multi-step release process in a way that wasn’t visible until the end, leaving things in a weird state. We’ll be working to make the overall process more robust to avoid disruptions in the future.

In that case just update again.