this derivation will be built:
  /nix/store/f3kf8nr5zc835ng81m8p5fr074xc532y-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/f3kf8nr5zc835ng81m8p5fr074xc532y-bcachefs-module-7.0.0-31-generic.drv'...