this derivation will be built:
  /nix/store/2i42ds74bxgg8yhjdj7smxflgnkjchi4-treefmt-check.drv
error: Cannot build '/nix/store/2i42ds74bxgg8yhjdj7smxflgnkjchi4-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/wcg19smzcs3ag52z6cz7myxgx4fyrr2h-treefmt-check
       Last 5 log lines:
       > ERRO file has changed path=decisions/0031-clanker-watchdog.md prev_size=2996 prev_mod_time="2026-08-27 22:49:46 +0000 UTC" current_size=2992 current_mod_time="2026-08-27 22:49:47 +0000 UTC"
       > traversed 237 files
       > emitted 122 files for processing
       > formatted 122 files (1 changed) in 734ms
       > Error: unexpected changes detected, --fail-on-change is enabled
       For full logs, run:
         nix log /nix/store/2i42ds74bxgg8yhjdj7smxflgnkjchi4-treefmt-check.drv