these 3 derivations will be built:
  /nix/store/qalmwnxaxky9hy3w8k5vsakm5x59shcv-treefmt.toml.drv
  /nix/store/dxpbbmlsfapnrgb88s3i1sj7ddl4gc3s-treefmt.drv
  /nix/store/i8x3ay29hyvb85vbdn9dv0a17damsl7d-treefmt-check.drv
building '/nix/store/qalmwnxaxky9hy3w8k5vsakm5x59shcv-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled
treefmt.toml> 
building '/nix/store/dxpbbmlsfapnrgb88s3i1sj7ddl4gc3s-treefmt.drv'
building '/nix/store/i8x3ay29hyvb85vbdn9dv0a17damsl7d-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 22 files
treefmt-check> emitted 10 files for processing
treefmt-check> formatted 10 files (0 changed) in 251ms