this derivation will be built: /nix/store/vr0gkq10im8birjzaf722m4dj0jnnlnz-bcachefs-module-7.0.0-29-generic.drv building '/nix/store/vr0gkq10im8birjzaf722m4dj0jnnlnz-bcachefs-module-7.0.0-29-generic.drv'...