this derivation will be built: /nix/store/a8i9vnda00zkvmy5n6ypilmpf2jg5f1n-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/a8i9vnda00zkvmy5n6ypilmpf2jg5f1n-bcachefs-module-7.0.0-38-generic.drv'...