this derivation will be built: /nix/store/9bazaysh4b996wfak20hq93b9lj2bz26-bcachefs-module-7.0.0-30-generic.drv building '/nix/store/9bazaysh4b996wfak20hq93b9lj2bz26-bcachefs-module-7.0.0-30-generic.drv'...