this derivation will be built:
  /nix/store/f1mfqjyr93ygk0d69n8n4mbsx07brlzc-treefmt-check.drv
building '/nix/store/f1mfqjyr93ygk0d69n8n4mbsx07brlzc-treefmt-check.drv'
treefmt-check> ERRO file has changed path=packages/luvus/package.nix prev_size=1458 prev_mod_time="2026-08-19 14:52:53 +0000 UTC" current_size=1436 current_mod_time="2026-08-19 14:52:54 +0000 UTC"
treefmt-check> traversed 440 files
treefmt-check> emitted 306 files for processing
treefmt-check> formatted 306 files (1 changed) in 16.938s
treefmt-check> Error: unexpected changes detected, --fail-on-change is enabled
error: Cannot build '/nix/store/f1mfqjyr93ygk0d69n8n4mbsx07brlzc-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/072pzj5ncnkysvs1ag19bnnff7grjjjm-treefmt-check
       Last 5 log lines:
       > ERRO file has changed path=packages/luvus/package.nix prev_size=1458 prev_mod_time="2026-08-19 14:52:53 +0000 UTC" current_size=1436 current_mod_time="2026-08-19 14:52:54 +0000 UTC"
       > traversed 440 files
       > emitted 306 files for processing
       > formatted 306 files (1 changed) in 16.938s
       > Error: unexpected changes detected, --fail-on-change is enabled
       For full logs, run:
         nix log /nix/store/f1mfqjyr93ygk0d69n8n4mbsx07brlzc-treefmt-check.drv