this derivation will be built:
  /nix/store/8mczd7h2dbp3z9km506h1zk2sr9bj7vh-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/8mczd7h2dbp3z9km506h1zk2sr9bj7vh-bcachefs-module-7.0.0-34-generic.drv'...