this derivation will be built:
  /nix/store/rxh8fc2kfy1jwjwmn3p9v4rkf7hdy798-treefmt-check.drv
error: build of '/nix/store/rxh8fc2kfy1jwjwmn3p9v4rkf7hdy798-treefmt-check.drv' on 'ssh-ng://customer@mac02' failed: Cannot build '/nix/store/rxh8fc2kfy1jwjwmn3p9v4rkf7hdy798-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/2cgkrgk9cvsmkj9kvdjaxq92px9xkxq7-treefmt-check
       Last 25 log lines:
       >     │       ╰──────────'
       > 196 │         │ ╭       /// # Errors
       >     │         ╰────────'
       > 197 │           │ ╭     /// - `BadPubkey`: newline = config-injection (**security**).
       >     │           ╰──────'
       > 198 │             │ ╭   /// - `HostFileExists`: the name exists in either directory. Overwriting
       >     │             ╰────'
       > 199 │               │ ╭ ///   or shadowing it would let an invitee replace a known key. The write
       >     │               ╰──'
       > 200 │ ╭               │ ///   itself is `O_CREAT|O_EXCL`, so there is no TOCTOU in the write dir.
       >     │ │               ╰'
       > 201 │ │ ╭               pub(crate) fn finalize(
       >     │ ╰────────────────^
       >     ·   │
       > 246 │   │               }
       >     │   ╰───────────────'
       >
       > Error: 5 error(s) found in code.
       > Help: Scan succeeded and found error level diagnostics in the codebase.
       >
       >
       > traversed 719 files
       > emitted 298 files for processing
       > formatted 26 files (0 changed) in 461ms
       > Error: failed to finalise formatting: formatting failures detected
       For full logs, run:
         nix log /nix/store/rxh8fc2kfy1jwjwmn3p9v4rkf7hdy798-treefmt-check.drv
error: Cannot build '/nix/store/rxh8fc2kfy1jwjwmn3p9v4rkf7hdy798-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/2cgkrgk9cvsmkj9kvdjaxq92px9xkxq7-treefmt-check