this derivation will be built: /nix/store/hacnbfdk7wdkxiq777pin8qwkp1j27h6-bcachefs-module-7.0.0-29-generic.drv building '/nix/store/hacnbfdk7wdkxiq777pin8qwkp1j27h6-bcachefs-module-7.0.0-29-generic.drv'...