this derivation will be built: /nix/store/210dd868l1n1snig3y1ssaymg9a4af86-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/210dd868l1n1snig3y1ssaymg9a4af86-bcachefs-module-7.0.0-38-generic.drv'...