this derivation will be built:
  /nix/store/940x01ywa2d6hhgf6g410f4m0q1wq9yg-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/940x01ywa2d6hhgf6g410f4m0q1wq9yg-bcachefs-module-7.0.0-29-generic.drv'...