this derivation will be built:
  /nix/store/cpklhlbsq4g0bjjprsp7n0m79jh9yw02-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/cpklhlbsq4g0bjjprsp7n0m79jh9yw02-bcachefs-module-7.0.0-29-generic.drv'...