this derivation will be built:
  /nix/store/984rzba14y7p2z5h74cjh4pkwbhx4q7r-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/984rzba14y7p2z5h74cjh4pkwbhx4q7r-bcachefs-module-7.0.0-34-generic.drv'...