this derivation will be built:
  /nix/store/5qsd10fl63vk0zfbd65094l0v70vfgha-treefmt-check.drv
error: Cannot build '/nix/store/5qsd10fl63vk0zfbd65094l0v70vfgha-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/jxf68fi9rrcnfawyyczcg5dhkvy4xxb6-treefmt-check
       Last 5 log lines:
       > ERRO file has changed path=packages/copilot-cli/package.nix prev_size=3108 prev_mod_time="2026-08-19 11:35:16 +0000 UTC" current_size=3098 current_mod_time="2026-08-19 11:35:17 +0000 UTC"
       > traversed 439 files
       > emitted 305 files for processing
       > formatted 305 files (1 changed) in 2.436s
       > Error: unexpected changes detected, --fail-on-change is enabled
       For full logs, run:
         nix log /nix/store/5qsd10fl63vk0zfbd65094l0v70vfgha-treefmt-check.drv