this derivation will be built: /nix/store/6gn9yncb09i4p8qxqka8w035lg8kll18-bcachefs-module-7.0.0-30-generic.drv building '/nix/store/6gn9yncb09i4p8qxqka8w035lg8kll18-bcachefs-module-7.0.0-30-generic.drv'...