this derivation will be built:
  /nix/store/389l4kycq8zli70nshzr7wx6n4p29l6z-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/389l4kycq8zli70nshzr7wx6n4p29l6z-bcachefs-module-7.0.0-38-generic.drv'...