this derivation will be built:
  /nix/store/1fy9kb364l4cginkasb4y2sfskw8vcx6-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/1fy9kb364l4cginkasb4y2sfskw8vcx6-bcachefs-module-7.0.0-38-generic.drv'...