this derivation will be built:
  /nix/store/spvl30i4y31lpmd9lq39gqzq3pqn412x-treefmt-check.drv
building '/nix/store/spvl30i4y31lpmd9lq39gqzq3pqn412x-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 505 files
treefmt-check> emitted 342 files for processing
treefmt-check> formatted 342 files (0 changed) in 1.512s