this derivation will be built: /nix/store/hvqp395g3hjc392kpzfbskvxqvwh48h4-bcachefs-module-7.0.0-39-generic.drv building '/nix/store/hvqp395g3hjc392kpzfbskvxqvwh48h4-bcachefs-module-7.0.0-39-generic.drv'...