this derivation will be built:
  /nix/store/7nmal2kpk2x4zarhzy16zkhwp42hcagl-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/7nmal2kpk2x4zarhzy16zkhwp42hcagl-bcachefs-module-7.0.0-31-generic.drv'...