this derivation will be built:
  /nix/store/338dygs2wml2jwh5pv58zmnzaqx9fc77-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/338dygs2wml2jwh5pv58zmnzaqx9fc77-bcachefs-module-7.0.0-28-generic.drv'...