this derivation will be built:
  /nix/store/w6j6820ay0wp7294dd0z0vx7mjl0wxq6-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/w6j6820ay0wp7294dd0z0vx7mjl0wxq6-bcachefs-module-7.0.0-38-generic.drv'...