this derivation will be built:
  /nix/store/ar02ksgx9isk81brs6kdcvpbq5ak2q92-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/ar02ksgx9isk81brs6kdcvpbq5ak2q92-bcachefs-module-7.0.0-30-generic.drv'...