this derivation will be built:
  /nix/store/mjigrq70jjq91c5z5d1k5h86hfgkq767-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/mjigrq70jjq91c5z5d1k5h86hfgkq767-bcachefs-module-7.0.0-27-generic.drv'...