this derivation will be built:
  /nix/store/0f4fsdqzmpzygm4i133jk8byxhkszl6p-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/0f4fsdqzmpzygm4i133jk8byxhkszl6p-bcachefs-module-7.0.0-30-generic.drv'...