these 3 derivations will be built:
  /nix/store/hyqjfm20x1kxkm5blg7nf9cmxrksqzrp-treefmt.toml.drv
  /nix/store/bsvyxhsxw39crqjwd3z17804y80x0w8d-treefmt.drv
  /nix/store/hp7kjgj4pwzwwww7hnxxq2bpaj96bzx4-treefmt-check.drv
building '/nix/store/hyqjfm20x1kxkm5blg7nf9cmxrksqzrp-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled
treefmt.toml> 
building '/nix/store/bsvyxhsxw39crqjwd3z17804y80x0w8d-treefmt.drv'
building '/nix/store/hp7kjgj4pwzwwww7hnxxq2bpaj96bzx4-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 22 files
treefmt-check> emitted 10 files for processing
treefmt-check> formatted 10 files (0 changed) in 212ms