this derivation will be built:
  /nix/store/0d6saznllkmn123vlpf764rqhn39w1a2-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/0d6saznllkmn123vlpf764rqhn39w1a2-bcachefs-module-7.0.0-39-generic.drv'...