Installation error[E0658]: use of unstable library feature 'lazy_cell'

I'm getting a bunch of errors:

error[E0658]: use of unstable library feature 'lazy_cell'
  --> /root/.cargo/registry/src/index.crates.io-6f17d22bba15001f/fritzdecode-0.1.0/src/fritz_base32.rs:29:43
   |
29 | pub static ENCODING: LazyLock<Encoding> = LazyLock::new(|| {
   |                                           ^^^^^^^^^^^^^
   |
   = note: see issue #109736 <https://github.com/rust-lang/rust/issues/109736> for more information
   = help: add `#![feature(lazy_cell)]` to the crate attributes to enable

(yes, I'm using +nightly)