error when building server

[shkr]

error[E0635]: unknown feature proc_macro_span_shrink
--> /home/shkr/.cargo/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.52/src/lib.rs:92:30
|
92 | feature(proc_macro_span, proc_macro_span_shrink)

[seanmceligot]

it seems to need an earlier nightly.

rustup override set nightly-2024-02-04