this derivation will be built:
  /nix/store/afhqqq4bq4dm2sngv7bysdcmqzb5942a-treefmt-check.drv
building '/nix/store/afhqqq4bq4dm2sngv7bysdcmqzb5942a-treefmt-check.drv'
treefmt-check> tribuchet: building on eliza