this derivation will be built:
  /nix/store/x0d3p5v7a56yr387svlncjl7qv8m871h-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/x0d3p5v7a56yr387svlncjl7qv8m871h-bcachefs-module-7.0.0-30-generic.drv'...