this derivation will be built:
  /nix/store/0gh6yraalvz6idb9nhppqcll84x3kbj6-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/0gh6yraalvz6idb9nhppqcll84x3kbj6-bcachefs-module-7.0.0-30-generic.drv'...