this derivation will be built:
  /nix/store/lg5n5cjx7f2b3211fm10q3k21bqa4425-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/lg5n5cjx7f2b3211fm10q3k21bqa4425-bcachefs-module-7.0.0-29-generic.drv'...