these 3 derivations will be built:
  /nix/store/qalmwnxaxky9hy3w8k5vsakm5x59shcv-treefmt.toml.drv
  /nix/store/dxpbbmlsfapnrgb88s3i1sj7ddl4gc3s-treefmt.drv
  /nix/store/i8x3ay29hyvb85vbdn9dv0a17damsl7d-treefmt-check.drv