this derivation will be built:
  /nix/store/f9m27zl0lfyjkv67xgmwrjlk70wj6k37-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/f9m27zl0lfyjkv67xgmwrjlk70wj6k37-bcachefs-module-7.0.0-39-generic.drv'...