this derivation will be built:
  /nix/store/3khr4k8rs5xjh0s93ddk7aqnvbzk2pmd-treefmt-check.drv
error: Cannot build '/nix/store/3khr4k8rs5xjh0s93ddk7aqnvbzk2pmd-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/gajss9sk2g552q60rdzrdxl0a6c8039r-treefmt-check
       Last 20 log lines:
       > tribuchet: building on jamie
       > treefmt v2.5.0traversed 689 files
       > emitted 303 files for processing
       > formatted 303 files (1 changed) in 680ms
       >  M crates/tincd/src/discovery/record.rs
       > diff --git a/crates/tincd/src/discovery/record.rs b/crates/tincd/src/discovery/record.rs
       > index 9cb3854..e964d59 100644
       > --- a/crates/tincd/src/discovery/record.rs
       > +++ b/crates/tincd/src/discovery/record.rs
       > @@ -52,7 +52,9 @@ pub fn open_record(d: &Derived, seq: i64, sealed: &[u8]) -> Option<Vec<u8>> {
       >      if sealed.len() < AEAD_OVERHEAD || &sealed[..MAGIC.len()] != MAGIC {
       >          return None;
       >      }
       > -    let nonce: &[u8; NONCE_LEN] = sealed[MAGIC.len()..MAGIC.len() + NONCE_LEN].try_into().ok()?;
       > +    let nonce: &[u8; NONCE_LEN] = sealed[MAGIC.len()..MAGIC.len() + NONCE_LEN]
       > +        .try_into()
       > +        .ok()?;
       >      let ct = &sealed[MAGIC.len() + NONCE_LEN..];
       >      XChaCha20Poly1305::new((&d.aead_key).into())
       >          .decrypt(
       For full logs, run:
         nix log /nix/store/3khr4k8rs5xjh0s93ddk7aqnvbzk2pmd-treefmt-check.drv