this derivation will be built:
  /nix/store/81kr1brvds6fyx36jibxh7i8jbvdf0j0-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/81kr1brvds6fyx36jibxh7i8jbvdf0j0-bcachefs-module-7.0.0-34-generic.drv'...