this derivation will be built:
  /nix/store/fs8cwkxfz9x79df6vz1lq9hznr81b8gx-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/fs8cwkxfz9x79df6vz1lq9hznr81b8gx-bcachefs-module-7.0.0-28-generic.drv'...