this derivation will be built:
  /nix/store/b748p88ir0rz89xp1v9mgxrp3q3kc549-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/b748p88ir0rz89xp1v9mgxrp3q3kc549-bcachefs-module-7.0.0-38-generic.drv'...