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