this derivation will be built: /nix/store/b958xb3j1r9p2rkqrwxnaqjmxs7mz0id-bcachefs-module-7.0.0-30-generic.drv building '/nix/store/b958xb3j1r9p2rkqrwxnaqjmxs7mz0id-bcachefs-module-7.0.0-30-generic.drv'...