this derivation will be built:
  /nix/store/dcr7h4hdsrlydnh0zvh5aa8w7f18yp04-treefmt-check.drv
building '/nix/store/dcr7h4hdsrlydnh0zvh5aa8w7f18yp04-treefmt-check.drv'
treefmt-check> tribuchet: building on gi-build-x86-02
treefmt-check> ERRO file has changed path=clan.nix prev_size=8194 prev_mod_time="2026-08-12 15:50:44 +0000 UTC" current_size=8222 current_mod_time="2026-08-12 15:50:44 +0000 UTC"
treefmt-check> ERRO file has changed path=README.md prev_size=3189 prev_mod_time="2026-08-12 15:50:44 +0000 UTC" current_size=3189 current_mod_time="2026-08-12 15:50:45 +0000 UTC"
treefmt-check> traversed 175 files
treefmt-check> emitted 80 files for processing
treefmt-check> formatted 80 files (2 changed) in 514ms
treefmt-check> Error: unexpected changes detected, --fail-on-change is enabled
error: Cannot build '/nix/store/dcr7h4hdsrlydnh0zvh5aa8w7f18yp04-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/v7q35vzggv657if6x40svd8xr2dw4mbw-treefmt-check
       Last 7 log lines:
       > tribuchet: building on gi-build-x86-02
       > ERRO file has changed path=clan.nix prev_size=8194 prev_mod_time="2026-08-12 15:50:44 +0000 UTC" current_size=8222 current_mod_time="2026-08-12 15:50:44 +0000 UTC"
       > ERRO file has changed path=README.md prev_size=3189 prev_mod_time="2026-08-12 15:50:44 +0000 UTC" current_size=3189 current_mod_time="2026-08-12 15:50:45 +0000 UTC"
       > traversed 175 files
       > emitted 80 files for processing
       > formatted 80 files (2 changed) in 514ms
       > Error: unexpected changes detected, --fail-on-change is enabled
       For full logs, run:
         nix log /nix/store/dcr7h4hdsrlydnh0zvh5aa8w7f18yp04-treefmt-check.drv