this derivation will be built:
  /nix/store/w2dl27h57am47f0cvpn1rfjy3zx12cpl-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/w2dl27h57am47f0cvpn1rfjy3zx12cpl-bcachefs-module-7.0.0-30-generic.drv'...