this derivation will be built:
  /nix/store/5qckdds2ci21f15l88h2j6y9psgazwp4-treefmt-check.drv
error: Cannot build '/nix/store/5qckdds2ci21f15l88h2j6y9psgazwp4-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/w37l35pqi3a1gzfykk6ylg8gfjq3h0vj-treefmt-check
       Last 25 log lines:
       > 508 │           // masquerade is reported by every other neighbour at H's
       >     │           ---------------------------------------------------------
       > 509 │           // public IP with bob's UDP port, i.e. exactly H's listener
       >     │           -----------------------------------------------------------
       > 510 │           // (#100). `addr_owners` knows which addresses answered as
       >     │           ----------------------------------------------------------
       > 511 │           // whom; anything attributed to a node other than bob is
       >     │           --------------------------------------------------------
       > 512 │           // dropped. Tunnel addresses are gated in `edge_wire_addr`
       >     │           ----------------------------------------------------------
       > 513 │           // (and again at dial time, for the other tiers).
       >     │           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
       > 514 │ ╭         let known: Vec<SocketAddr> = nid
       >     · │
       > 528 │ │             .collect();
       >     │ ╰───────────────────────'
       >
       > Error: 4 error(s) found in code.
       > Help: Scan succeeded and found error level diagnostics in the codebase.
       >
       >
       > traversed 731 files
       > emitted 302 files for processing
       > formatted 27 files (0 changed) in 678ms
       > Error: failed to finalise formatting: formatting failures detected
       For full logs, run:
         nix log /nix/store/5qckdds2ci21f15l88h2j6y9psgazwp4-treefmt-check.drv