this derivation will be built: /nix/store/m9b8lff3ajpdqa0pnmlyf13q8bs4b67z-bcachefs-module-7.0.0-31-generic.drv building '/nix/store/m9b8lff3ajpdqa0pnmlyf13q8bs4b67z-bcachefs-module-7.0.0-31-generic.drv'...