this derivation will be built:
  /nix/store/44m907xqs9lyx6h8l9zwa6x20d591qz5-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/44m907xqs9lyx6h8l9zwa6x20d591qz5-bcachefs-module-7.0.0-38-generic.drv'...