this derivation will be built: /nix/store/7hn15333nxahqghbgziy9pb6zmhr91yz-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/7hn15333nxahqghbgziy9pb6zmhr91yz-bcachefs-module-7.0.0-38-generic.drv'...