this derivation will be built: /nix/store/9ln7fcn03vzxxsr4wnvsbpzsb9r4q9fh-bcachefs-module-7.0.0-30-generic.drv building '/nix/store/9ln7fcn03vzxxsr4wnvsbpzsb9r4q9fh-bcachefs-module-7.0.0-30-generic.drv'...