this derivation will be built:
  /nix/store/rx9w2yb8vcp1jzz8vi9s8s4vw29gw4nw-treefmt-check.drv
building '/nix/store/rx9w2yb8vcp1jzz8vi9s8s4vw29gw4nw-treefmt-check.drv'
treefmt-check> ERRO file has changed path=clanker/README.md prev_size=11300 prev_mod_time="2026-08-27 23:57:07 +0000 UTC" current_size=11302 current_mod_time="2026-08-27 23:57:07 +0000 UTC"
treefmt-check> ERRO file has changed path=decisions/0031-clanker-watchdog.md prev_size=2996 prev_mod_time="2026-08-27 23:57:07 +0000 UTC" current_size=2992 current_mod_time="2026-08-27 23:57:07 +0000 UTC"
treefmt-check> traversed 246 files
treefmt-check> emitted 131 files for processing
treefmt-check> formatted 131 files (2 changed) in 875ms
treefmt-check> Error: unexpected changes detected, --fail-on-change is enabled
error: Cannot build '/nix/store/rx9w2yb8vcp1jzz8vi9s8s4vw29gw4nw-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/niiyk1g8b8ikbf65pr8bsk0xi36chwqw-treefmt-check
       Last 6 log lines:
       > ERRO file has changed path=clanker/README.md prev_size=11300 prev_mod_time="2026-08-27 23:57:07 +0000 UTC" current_size=11302 current_mod_time="2026-08-27 23:57:07 +0000 UTC"
       > ERRO file has changed path=decisions/0031-clanker-watchdog.md prev_size=2996 prev_mod_time="2026-08-27 23:57:07 +0000 UTC" current_size=2992 current_mod_time="2026-08-27 23:57:07 +0000 UTC"
       > traversed 246 files
       > emitted 131 files for processing
       > formatted 131 files (2 changed) in 875ms
       > Error: unexpected changes detected, --fail-on-change is enabled
       For full logs, run:
         nix log /nix/store/rx9w2yb8vcp1jzz8vi9s8s4vw29gw4nw-treefmt-check.drv