this derivation will be built: /nix/store/f201z07l5lkq6my0n9p5ncnjm5lnhblb-bcachefs-module-7.0.0-31-generic.drv building '/nix/store/f201z07l5lkq6my0n9p5ncnjm5lnhblb-bcachefs-module-7.0.0-31-generic.drv'...