this derivation will be built:
  /nix/store/0xc6z7iwx0vmf4dqnf8307mm692gjdsc-treefmt-check.drv
bld4: building 0xc6z7iwx0vmf4dqnf8307mm692gjdsc-treefmt-check.drv
traversed 517 files
emitted 354 files for processing
formatted 354 files (0 changed) in 18.546s