this derivation will be built:
  /nix/store/n6k0v7ppzq1gvm5f8zcyijvkkyc8iga3-treefmt-check.drv
building '/nix/store/n6k0v7ppzq1gvm5f8zcyijvkkyc8iga3-treefmt-check.drv'
treefmt-check> tribuchet: building on eliza