this derivation will be built: /nix/store/hcgdbhkwfk2xkgv63m7822bs7warlq49-bcachefs-module-7.0.0-29-generic.drv building '/nix/store/hcgdbhkwfk2xkgv63m7822bs7warlq49-bcachefs-module-7.0.0-29-generic.drv'...