this derivation will be built:
  /nix/store/7fs6d4x5ff1ij4yv5j2dpq77d2cq3fcs-treefmt-check.drv
building '/nix/store/7fs6d4x5ff1ij4yv5j2dpq77d2cq3fcs-treefmt-check.drv'
treefmt-check> ERRO file has changed path=decisions/0031-clanker-watchdog.md prev_size=2996 prev_mod_time="2026-08-27 11:06:25 +0000 UTC" current_size=2992 current_mod_time="2026-08-27 11:06:26 +0000 UTC"
treefmt-check> traversed 237 files
treefmt-check> emitted 122 files for processing
treefmt-check> formatted 122 files (1 changed) in 846ms
treefmt-check> Error: unexpected changes detected, --fail-on-change is enabled
error: Cannot build '/nix/store/7fs6d4x5ff1ij4yv5j2dpq77d2cq3fcs-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/2dvc4z1fpsrj5ii6vpgpgs9x4j3cyncp-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 11:06:25 +0000 UTC" current_size=2992 current_mod_time="2026-08-27 11:06:26 +0000 UTC"
       > traversed 237 files
       > emitted 122 files for processing
       > formatted 122 files (1 changed) in 846ms
       > Error: unexpected changes detected, --fail-on-change is enabled
       For full logs, run:
         nix log /nix/store/7fs6d4x5ff1ij4yv5j2dpq77d2cq3fcs-treefmt-check.drv