this derivation will be built:
  /nix/store/ay6q9il38gh5wxvfksjmyqcg4gp2r30w-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/ay6q9il38gh5wxvfksjmyqcg4gp2r30w-bcachefs-module-7.0.0-39-generic.drv'...