this derivation will be built:
  /nix/store/ljrnvg840zzg5gwmcca9dprfgi1q6fnv-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/ljrnvg840zzg5gwmcca9dprfgi1q6fnv-bcachefs-module-7.0.0-38-generic.drv'...