this derivation will be built:
  /nix/store/v3xa3z6lh9g0hbhp9g6kihlyj8sp6db5-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/v3xa3z6lh9g0hbhp9g6kihlyj8sp6db5-bcachefs-module-7.0.0-31-generic.drv'...