this derivation will be built:
  /nix/store/1p7063g23mydw8cv9z200m121qf6a3l9-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/1p7063g23mydw8cv9z200m121qf6a3l9-bcachefs-module-7.0.0-38-generic.drv'...