this derivation will be built: /nix/store/gwb3x5lizdqqzp2mzp4vym51g64f8n34-bcachefs-module-7.0.0-29-generic.drv building '/nix/store/gwb3x5lizdqqzp2mzp4vym51g64f8n34-bcachefs-module-7.0.0-29-generic.drv'...