this derivation will be built:
  /nix/store/qj3vv8s6hs7vvq959da9b9ad0hb686xn-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/qj3vv8s6hs7vvq959da9b9ad0hb686xn-bcachefs-module-7.0.0-29-generic.drv'...