this derivation will be built:
  /nix/store/h9p3y7wfdsgfysl3gf01vy4x55w94y3h-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/h9p3y7wfdsgfysl3gf01vy4x55w94y3h-bcachefs-module-7.0.0-27-generic.drv'...