this derivation will be built: /nix/store/7cpgaadq7bl122hv1l7v4yfgmgq0h87b-bcachefs-module-7.0.0-34-generic.drv building '/nix/store/7cpgaadq7bl122hv1l7v4yfgmgq0h87b-bcachefs-module-7.0.0-34-generic.drv'...